Dec 05 13:32:15.149 INFO testing muktakosh/unicorn against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 13:32:15.149 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 13:32:15.480 INFO [stdout] d08047abf10c9ccb0bda98afd3e9df7eb2cc05a7b41461b367bf0a62f22c8dee
Dec 05 13:32:15.482 INFO running `"docker" "start" "-a" "d08047abf10c9ccb0bda98afd3e9df7eb2cc05a7b41461b367bf0a62f22c8dee"`
Dec 05 13:32:16.995 INFO [stderr] usermod: no changes
Dec 05 13:32:17.216 INFO [stderr]    Compiling slab v0.1.3
Dec 05 13:32:17.216 INFO [stderr]    Compiling bytes v0.3.0
Dec 05 13:32:17.217 INFO [stderr]    Compiling ws2_32-sys v0.2.1
Dec 05 13:32:17.217 INFO [stderr]    Compiling net2 v0.2.26
Dec 05 13:32:17.217 INFO [stderr]    Compiling nix v0.5.1
Dec 05 13:32:17.217 INFO [stderr]    Compiling clap v2.19.2
Dec 05 13:32:17.244 INFO [stderr]    Compiling libunicorn v0.0.1 (/source)
Dec 05 13:32:20.052 INFO [stderr]    Compiling miow v0.1.5
Dec 05 13:32:28.499 INFO [stderr]    Compiling mio v0.5.1
Dec 05 13:32:31.504 INFO [stderr]    Compiling ws v0.5.3
Dec 05 13:32:45.368 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:32:45.369 INFO [stderr]   --> src/router.rs:80:21
Dec 05 13:32:45.369 INFO [stderr]    |
Dec 05 13:32:45.369 INFO [stderr] 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Dec 05 13:32:45.369 INFO [stderr]    |                     ----^
Dec 05 13:32:45.370 INFO [stderr]    |                     |
Dec 05 13:32:45.370 INFO [stderr]    |                     help: remove this `mut`
Dec 05 13:32:45.370 INFO [stderr]    |
Dec 05 13:32:45.370 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 13:32:45.370 INFO [stderr] 
Dec 05 13:32:54.624 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.60s
Dec 05 13:32:54.630 INFO [stderr] su: No module specific data is present
Dec 05 13:32:55.829 INFO running `"docker" "inspect" "d08047abf10c9ccb0bda98afd3e9df7eb2cc05a7b41461b367bf0a62f22c8dee"`
Dec 05 13:32:56.126 INFO running `"docker" "rm" "-f" "d08047abf10c9ccb0bda98afd3e9df7eb2cc05a7b41461b367bf0a62f22c8dee"`
Dec 05 13:32:56.476 INFO [stdout] d08047abf10c9ccb0bda98afd3e9df7eb2cc05a7b41461b367bf0a62f22c8dee
Dec 05 13:32:56.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 13:32:56.918 INFO [stdout] 34e8fceaf2ccbd1ef72271595a2b75dcb3ba365cca14ed340265e58ada1b54ec
Dec 05 13:32:56.920 INFO running `"docker" "start" "-a" "34e8fceaf2ccbd1ef72271595a2b75dcb3ba365cca14ed340265e58ada1b54ec"`
Dec 05 13:32:59.256 INFO [stderr] usermod: no changes
Dec 05 13:32:59.460 INFO [stderr]    Compiling libunicorn v0.0.1 (/source)
Dec 05 13:33:02.038 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:33:02.038 INFO [stderr]   --> src/router.rs:80:21
Dec 05 13:33:02.038 INFO [stderr]    |
Dec 05 13:33:02.038 INFO [stderr] 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Dec 05 13:33:02.038 INFO [stderr]    |                     ----^
Dec 05 13:33:02.038 INFO [stderr]    |                     |
Dec 05 13:33:02.038 INFO [stderr]    |                     help: remove this `mut`
Dec 05 13:33:02.038 INFO [stderr]    |
Dec 05 13:33:02.038 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 13:33:02.038 INFO [stderr] 
Dec 05 13:33:02.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
Dec 05 13:33:02.576 INFO [stderr] su: No module specific data is present
Dec 05 13:33:04.092 INFO running `"docker" "inspect" "34e8fceaf2ccbd1ef72271595a2b75dcb3ba365cca14ed340265e58ada1b54ec"`
Dec 05 13:33:04.444 INFO running `"docker" "rm" "-f" "34e8fceaf2ccbd1ef72271595a2b75dcb3ba365cca14ed340265e58ada1b54ec"`
Dec 05 13:33:04.720 INFO [stdout] 34e8fceaf2ccbd1ef72271595a2b75dcb3ba365cca14ed340265e58ada1b54ec
Dec 05 13:33:04.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 13:33:05.326 INFO [stdout] d4c50510979914eb8ee4aebafab407dde7a012c855915c9a755beeda7ea99448
Dec 05 13:33:05.328 INFO running `"docker" "start" "-a" "d4c50510979914eb8ee4aebafab407dde7a012c855915c9a755beeda7ea99448"`
Dec 05 13:33:06.939 INFO [stderr] usermod: no changes
Dec 05 13:33:07.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
Dec 05 13:33:07.151 INFO [stderr]      Running /target/debug/deps/unicorn-391c2443df85ad3f
Dec 05 13:33:07.156 INFO [stdout] 
Dec 05 13:33:07.157 INFO [stdout] running 0 tests
Dec 05 13:33:07.157 INFO [stdout] 
Dec 05 13:33:07.157 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:33:07.157 INFO [stdout] 
Dec 05 13:33:07.157 INFO [stderr]      Running /target/debug/deps/unicorn-f9f76f2ddec81fd2
Dec 05 13:33:07.162 INFO [stdout] 
Dec 05 13:33:07.163 INFO [stdout] running 0 tests
Dec 05 13:33:07.163 INFO [stdout] 
Dec 05 13:33:07.163 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:33:07.163 INFO [stdout] 
Dec 05 13:33:07.163 INFO [stderr]    Doc-tests unicorn
Dec 05 13:33:08.510 INFO [stdout] 
Dec 05 13:33:08.510 INFO [stdout] running 0 tests
Dec 05 13:33:08.510 INFO [stdout] 
Dec 05 13:33:08.510 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:33:08.510 INFO [stdout] 
Dec 05 13:33:08.523 INFO [stderr] su: No module specific data is present
Dec 05 13:33:09.628 INFO running `"docker" "inspect" "d4c50510979914eb8ee4aebafab407dde7a012c855915c9a755beeda7ea99448"`
Dec 05 13:33:09.926 INFO running `"docker" "rm" "-f" "d4c50510979914eb8ee4aebafab407dde7a012c855915c9a755beeda7ea99448"`
Dec 05 13:33:10.264 INFO [stdout] d4c50510979914eb8ee4aebafab407dde7a012c855915c9a755beeda7ea99448