diff --git a/Cargo.lock b/Cargo.lock
index 11f6bbb..6366fba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -170,6 +170,19 @@ dependencies = [
  "pin-project 0.4.23",
 ]
 
+[[package]]
+name = "actix-slog"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c697a62a2f51c5c26af6b1dded0622f15bec690da191615947e0c1b2b7b75198"
+dependencies = [
+ "actix-web",
+ "chrono",
+ "futures",
+ "pin-project 0.4.23",
+ "slog",
+]
+
 [[package]]
 name = "actix-testing"
 version = "1.0.0"
@@ -196,7 +209,7 @@ dependencies = [
  "lazy_static",
  "log",
  "num_cpus",
- "parking_lot 0.10.0",
+ "parking_lot",
  "threadpool",
 ]
 
@@ -336,6 +349,12 @@ version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7b8a9123b8027467bce0099fe556c628a53c8d83df0507084c31e9ba2e39aff"
 
+[[package]]
+name = "arrayref"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
+
 [[package]]
 name = "arrayvec"
 version = "0.4.12"
@@ -345,6 +364,12 @@ dependencies = [
  "nodrop",
 ]
 
+[[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
 [[package]]
 name = "async-trait"
 version = "0.1.40"
@@ -447,6 +472,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "blake2b_simd"
+version = "0.5.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8fb2d74254a3a0b5cac33ac9f8ed0e44aa50378d9dbb2e5d83bd21ed1dc2c8a"
+dependencies = [
+ "arrayref",
+ "arrayvec 0.5.2",
+ "constant_time_eq",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -541,13 +577,15 @@ checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
 name = "chrono"
-version = "0.4.10"
+version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31850b4a4d6bae316f7a09e691c944c28299298837edc0a03f755618c23cbc01"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
 dependencies = [
+ "libc",
  "num-integer",
  "num-traits",
- "time 0.1.42",
+ "time 0.1.44",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -574,21 +612,18 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "cloudabi"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4344512281c643ae7638bbabc3af17a11307803ec8f0fcad9fae512a8bf36467"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "const_fn"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce90df4c658c62f12d78f7508cf92f9173e5184a539c10bfe54a3107b3ffd0f2"
 
+[[package]]
+name = "constant_time_eq"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
+
 [[package]]
 name = "cookie"
 version = "0.14.2"
@@ -637,6 +672,27 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-channel"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+dependencies = [
+ "crossbeam-utils",
+ "maybe-uninit",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "lazy_static",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.2"
@@ -657,6 +713,27 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "dirs"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13aea89a5c93364a98e9b37b2fa237effbb694d5cfe01c5b70941f7eb087d5e3"
+dependencies = [
+ "cfg-if",
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e93d7f5705de3e49895a2b5e0b8855a1c27f080192ae9c32a6432d50741a57a"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "discard"
 version = "1.0.4"
@@ -867,7 +944,7 @@ checksum = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
 [[package]]
@@ -927,14 +1004,13 @@ name = "hoc"
 version = "0.14.3"
 dependencies = [
  "actix-rt",
+ "actix-slog",
  "actix-web",
  "badge",
  "bytes 0.6.0",
  "futures",
  "git2",
  "lazy_static",
- "log",
- "log4rs",
  "number_prefix",
  "openssl-probe",
  "reqwest",
@@ -942,6 +1018,10 @@ dependencies = [
  "serde",
  "serde_derive",
  "serde_json",
+ "slog",
+ "slog-async",
+ "slog-atomic",
+ "slog-term",
  "structopt",
  "tempfile",
  "vergen",
@@ -984,15 +1064,6 @@ version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 
-[[package]]
-name = "humantime"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
-dependencies = [
- "quick-error",
-]
-
 [[package]]
 name = "hyper"
 version = "0.13.4"
@@ -1011,7 +1082,7 @@ dependencies = [
  "log",
  "net2",
  "pin-project 0.4.23",
- "time 0.1.42",
+ "time 0.1.44",
  "tokio",
  "tower-service",
  "want",
@@ -1050,12 +1121,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "instant"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b141fdc7836c525d4d594027d318c84161ca17aaf8113ab1f81ab93ae897485"
-
 [[package]]
 name = "iovec"
 version = "0.1.4"
@@ -1144,7 +1209,7 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304bccb228c4b020f3a4835d247df0a02a7c4686098d4167762cfbbe4c5cb14"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.4.12",
  "cfg-if",
  "rustc_version",
  "ryu",
@@ -1212,15 +1277,6 @@ dependencies = [
  "scopeguard",
 ]
 
-[[package]]
-name = "lock_api"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28247cc5a5be2f05fbcd76dd0cf2c7d3b5400cb978a28042abcd4fa0b3f8261c"
-dependencies = [
- "scopeguard",
-]
-
 [[package]]
 name = "log"
 version = "0.4.11"
@@ -1228,38 +1284,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
 dependencies = [
  "cfg-if",
- "serde",
-]
-
-[[package]]
-name = "log-mdc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a94d21414c1f4a51209ad204c1776a3d0765002c76c6abcb602a6f09f1e881c7"
-
-[[package]]
-name = "log4rs"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1e1ad45e4584824d760c35d71868dd7e6e5acd8f5195a9573743b369fc86cd6"
-dependencies = [
- "arc-swap",
- "chrono",
- "flate2",
- "fnv",
- "humantime",
- "libc",
- "log",
- "log-mdc",
- "parking_lot 0.11.0",
- "serde",
- "serde-value",
- "serde_derive",
- "serde_json",
- "serde_yaml",
- "thread-id",
- "typemap",
- "winapi 0.3.8",
 ]
 
 [[package]]
@@ -1277,6 +1301,12 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
+[[package]]
+name = "maybe-uninit"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
+
 [[package]]
 name = "md5"
 version = "0.7.0"
@@ -1492,15 +1522,6 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "ordered-float"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18869315e81473c951eb56ad5558bbc56978562d3ecfb87abb7a1e944cea4518"
-dependencies = [
- "num-traits",
-]
-
 [[package]]
 name = "owned_ttf_parser"
 version = "0.6.0"
@@ -1516,19 +1537,8 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92e98c49ab0b7ce5b222f2cc9193fc4efe11c6d0bd4f648e374684a6857b1cfc"
 dependencies = [
- "lock_api 0.3.3",
- "parking_lot_core 0.7.0",
-]
-
-[[package]]
-name = "parking_lot"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
-dependencies = [
- "instant",
- "lock_api 0.4.1",
- "parking_lot_core 0.8.0",
+ "lock_api",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -1538,22 +1548,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7582838484df45743c8434fbff785e8edf260c28748353d44bc0da32e0ceabf1"
 dependencies = [
  "cfg-if",
- "cloudabi 0.0.3",
- "libc",
- "redox_syscall",
- "smallvec",
- "winapi 0.3.8",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
-dependencies = [
- "cfg-if",
- "cloudabi 0.1.0",
- "instant",
+ "cloudabi",
  "libc",
  "redox_syscall",
  "smallvec",
@@ -1744,6 +1739,17 @@ version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 
+[[package]]
+name = "redox_users"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de0737333e7a9502c789a36d7c7fa6092a49895d4faa31ca5df163857ded2e9d"
+dependencies = [
+ "getrandom",
+ "redox_syscall",
+ "rust-argon2",
+]
+
 [[package]]
 name = "regex"
 version = "1.3.4"
@@ -1829,6 +1835,18 @@ dependencies = [
  "nom 5.1.0",
 ]
 
+[[package]]
+name = "rust-argon2"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dab61250775933275e84053ac235621dfb739556d5c54a2f2e9313b7cf43a19"
+dependencies = [
+ "base64",
+ "blake2b_simd",
+ "constant_time_eq",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.16"
@@ -1921,16 +1939,6 @@ dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde-value"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a65a7291a8a568adcae4c10a677ebcedbc6c9cec91c054dee2ce40b0e3290eb"
-dependencies = [
- "ordered-float",
- "serde",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.117"
@@ -1965,18 +1973,6 @@ dependencies = [
  "url",
 ]
 
-[[package]]
-name = "serde_yaml"
-version = "0.8.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "691b17f19fc1ec9d94ec0b5864859290dff279dbd7b03f017afda54eb36c3c35"
-dependencies = [
- "dtoa",
- "linked-hash-map",
- "serde",
- "yaml-rust",
-]
-
 [[package]]
 name = "sha-1"
 version = "0.9.1"
@@ -2012,6 +2008,47 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
+[[package]]
+name = "slog"
+version = "2.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cc9c640a4adbfbcc11ffb95efe5aa7af7309e002adab54b185507dbf2377b99"
+
+[[package]]
+name = "slog-async"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51b3336ce47ce2f96673499fc07eb85e3472727b9a7a2959964b002c2ce8fbbb"
+dependencies = [
+ "crossbeam-channel",
+ "slog",
+ "take_mut",
+ "thread_local",
+]
+
+[[package]]
+name = "slog-atomic"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87803759296346553aabece939e9ff174e7fc7ce2406c1fbd235b0c0a322523a"
+dependencies = [
+ "arc-swap",
+ "slog",
+]
+
+[[package]]
+name = "slog-term"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bab1d807cf71129b05ce36914e1dbb6fbfbdecaf686301cb457f4fa967f9f5b6"
+dependencies = [
+ "atty",
+ "chrono",
+ "slog",
+ "term",
+ "thread_local",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.4.1"
@@ -2149,6 +2186,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "take_mut"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
+
 [[package]]
 name = "tempfile"
 version = "3.1.0"
@@ -2163,6 +2206,16 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "term"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0863a3345e70f61d613eab32ee046ccd1bcc5f9105fe402c61fcd0c13eeb8b5"
+dependencies = [
+ "dirs",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.11.0"
@@ -2192,17 +2245,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "thread-id"
-version = "3.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7fbf4c9d56b320106cd64fd024dadfa0be7cb4706725fc44a7d7ce952d820c1"
-dependencies = [
- "libc",
- "redox_syscall",
- "winapi 0.3.8",
-]
-
 [[package]]
 name = "thread_local"
 version = "1.0.1"
@@ -2223,12 +2265,12 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.42"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
 dependencies = [
  "libc",
- "redox_syscall",
+ "wasi 0.10.0+wasi-snapshot-preview1",
  "winapi 0.3.8",
 ]
 
@@ -2350,12 +2392,6 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 
-[[package]]
-name = "traitobject"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
-
 [[package]]
 name = "trust-dns-proto"
 version = "0.19.5"
@@ -2408,15 +2444,6 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e5d7cd7ab3e47dda6e56542f4bbf3824c15234958c6e1bd6aaa347e93499fdc"
 
-[[package]]
-name = "typemap"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "653be63c80a3296da5551e1bfd2cca35227e13cdd08c6668903ae2f4f77aa1f6"
-dependencies = [
- "unsafe-any",
-]
-
 [[package]]
 name = "typenum"
 version = "1.12.0"
@@ -2468,15 +2495,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 
-[[package]]
-name = "unsafe-any"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30360d7979f5e9c6e6cea48af192ea8fab4afb3cf72597154b8f08935bc9c7f"
-dependencies = [
- "traitobject",
-]
-
 [[package]]
 name = "url"
 version = "2.1.1"
@@ -2538,6 +2556,12 @@ version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
+[[package]]
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.58"
@@ -2720,12 +2744,3 @@ dependencies = [
  "winapi 0.2.8",
  "winapi-build",
 ]
-
-[[package]]
-name = "yaml-rust"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65923dd1784f44da1d2c3dbbc5e822045628c590ba72123e1c73d3c230c4434d"
-dependencies = [
- "linked-hash-map",
-]
diff --git a/Cargo.toml b/Cargo.toml
index 2e1f58d..b2e905e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,22 +6,25 @@ edition = "2018"
 build = "build.rs"
 
 [dependencies]
+actix-rt = "1.1.1"
+actix-slog = "0.2.1"
 actix-web = "3.1.0"
 badge = "0.3.0"
 bytes = "0.6.0"
 futures = "0.3.7"
 git2 = "0.13.12"
 lazy_static = "1.4.0"
-log = "0.4.11"
-log4rs = "0.13.0"
 number_prefix = "0.4.0"
 openssl-probe = "0.1.2"
 reqwest = "0.10.8"
 serde = "1.0.117"
 serde_derive = "1.0.103"
 serde_json = "1.0.59"
+slog = "2.5.2"
+slog-async = "2.5.0"
+slog-atomic = "3.0.0"
+slog-term = "2.6.0"
 structopt = "0.3.20"
-actix-rt = "1.1.1"
 
 [build-dependencies]
 ructe = "0.12.0"