Dec 15 13:25:58.986 INFO testing gitter-slack-0.1.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 13:25:58.987 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 13:25:59.161 INFO [stdout] c18bf6e8ae30f5f230a0fe55abfab5e32015162f6586e1425aa907c723bfadc5
Dec 15 13:25:59.218 INFO running `"docker" "start" "-a" "c18bf6e8ae30f5f230a0fe55abfab5e32015162f6586e1425aa907c723bfadc5"`
Dec 15 13:25:59.621 INFO [stderr] usermod: no changes
Dec 15 13:25:59.647 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 15 13:25:59.927 INFO [stderr]    Compiling gitter-slack v0.1.1 (/source)
Dec 15 13:26:08.314 INFO [stderr] warning: variable does not need to be mutable
Dec 15 13:26:08.315 INFO [stderr]    --> src/main.rs:139:17
Dec 15 13:26:08.315 INFO [stderr]     |
Dec 15 13:26:08.315 INFO [stderr] 139 |             let mut bf = &mut buffer;
Dec 15 13:26:08.315 INFO [stderr]     |                 ----^^
Dec 15 13:26:08.315 INFO [stderr]     |                 |
Dec 15 13:26:08.315 INFO [stderr]     |                 help: remove this `mut`
Dec 15 13:26:08.316 INFO [stderr]     |
Dec 15 13:26:08.316 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 13:26:08.316 INFO [stderr] 
Dec 15 13:26:14.583 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.94s
Dec 15 13:26:14.598 INFO [stderr] su: No module specific data is present
Dec 15 13:26:14.953 INFO running `"docker" "inspect" "c18bf6e8ae30f5f230a0fe55abfab5e32015162f6586e1425aa907c723bfadc5"`
Dec 15 13:26:15.364 INFO running `"docker" "rm" "-f" "c18bf6e8ae30f5f230a0fe55abfab5e32015162f6586e1425aa907c723bfadc5"`
Dec 15 13:26:15.703 INFO [stdout] c18bf6e8ae30f5f230a0fe55abfab5e32015162f6586e1425aa907c723bfadc5
Dec 15 13:26:15.703 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 13:26:16.123 INFO [stdout] ac1f7785ccce472ae8b5563cb196f6dbb4a34b24598526715fb87fa3c37e5fb2
Dec 15 13:26:16.127 INFO running `"docker" "start" "-a" "ac1f7785ccce472ae8b5563cb196f6dbb4a34b24598526715fb87fa3c37e5fb2"`
Dec 15 13:26:16.804 INFO [stderr] usermod: no changes
Dec 15 13:26:16.829 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 15 13:26:16.973 INFO [stderr]    Compiling gitter-slack v0.1.1 (/source)
Dec 15 13:26:23.619 INFO [stderr] warning: variable does not need to be mutable
Dec 15 13:26:23.619 INFO [stderr]    --> src/main.rs:139:17
Dec 15 13:26:23.620 INFO [stderr]     |
Dec 15 13:26:23.620 INFO [stderr] 139 |             let mut bf = &mut buffer;
Dec 15 13:26:23.620 INFO [stderr]     |                 ----^^
Dec 15 13:26:23.620 INFO [stderr]     |                 |
Dec 15 13:26:23.620 INFO [stderr]     |                 help: remove this `mut`
Dec 15 13:26:23.620 INFO [stderr]     |
Dec 15 13:26:23.620 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 13:26:23.620 INFO [stderr] 
Dec 15 13:26:24.103 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
Dec 15 13:26:24.123 INFO [stderr] su: No module specific data is present
Dec 15 13:26:25.159 INFO running `"docker" "inspect" "ac1f7785ccce472ae8b5563cb196f6dbb4a34b24598526715fb87fa3c37e5fb2"`
Dec 15 13:26:25.443 INFO running `"docker" "rm" "-f" "ac1f7785ccce472ae8b5563cb196f6dbb4a34b24598526715fb87fa3c37e5fb2"`
Dec 15 13:26:25.775 INFO [stdout] ac1f7785ccce472ae8b5563cb196f6dbb4a34b24598526715fb87fa3c37e5fb2
Dec 15 13:26:25.783 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 13:26:26.172 INFO [stdout] f4b41d05e032e2584a9ce74f79117345addca2952d6465afd189a944be036954
Dec 15 13:26:26.174 INFO running `"docker" "start" "-a" "f4b41d05e032e2584a9ce74f79117345addca2952d6465afd189a944be036954"`
Dec 15 13:26:27.515 INFO [stderr] usermod: no changes
Dec 15 13:26:27.567 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 15 13:26:27.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 15 13:26:27.843 INFO [stderr]      Running /target/debug/deps/gitter_slack-8cf2140bf29d4167
Dec 15 13:26:27.843 INFO [stdout] 
Dec 15 13:26:27.843 INFO [stdout] running 0 tests
Dec 15 13:26:27.843 INFO [stdout] 
Dec 15 13:26:27.843 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 13:26:27.843 INFO [stdout] 
Dec 15 13:26:27.850 INFO [stderr] su: No module specific data is present
Dec 15 13:26:29.153 INFO running `"docker" "inspect" "f4b41d05e032e2584a9ce74f79117345addca2952d6465afd189a944be036954"`
Dec 15 13:26:29.557 INFO running `"docker" "rm" "-f" "f4b41d05e032e2584a9ce74f79117345addca2952d6465afd189a944be036954"`
Dec 15 13:26:29.883 INFO [stdout] f4b41d05e032e2584a9ce74f79117345addca2952d6465afd189a944be036954