Nov 29 00:59:59.925 INFO checking gitter-slack-0.1.1 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 29 00:59:59.925 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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"`
Nov 29 01:00:00.360 INFO [stdout] c7168e25752d5783edbd942b10f24f26d3f43560eda90ba9a4de58bc8af15619
Nov 29 01:00:00.362 INFO running `"docker" "start" "-a" "c7168e25752d5783edbd942b10f24f26d3f43560eda90ba9a4de58bc8af15619"`
Nov 29 01:00:02.002 INFO [stderr] usermod: no changes
Nov 29 01:00:02.073 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Nov 29 01:00:02.382 INFO [stderr]     Checking chrono v0.4.6
Nov 29 01:00:05.084 INFO [stderr]     Checking gitter-slack v0.1.1 (/source)
Nov 29 01:00:15.612 INFO [stderr] warning: variable does not need to be mutable
Nov 29 01:00:15.612 INFO [stderr]    --> src/main.rs:139:17
Nov 29 01:00:15.612 INFO [stderr]     |
Nov 29 01:00:15.612 INFO [stderr] 139 |             let mut bf = &mut buffer;
Nov 29 01:00:15.612 INFO [stderr]     |                 ----^^
Nov 29 01:00:15.612 INFO [stderr]     |                 |
Nov 29 01:00:15.612 INFO [stderr]     |                 help: remove this `mut`
Nov 29 01:00:15.612 INFO [stderr]     |
Nov 29 01:00:15.612 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 01:00:15.612 INFO [stderr] 
Nov 29 01:00:15.834 INFO [stderr] warning: variable does not need to be mutable
Nov 29 01:00:15.834 INFO [stderr]    --> src/main.rs:139:17
Nov 29 01:00:15.834 INFO [stderr]     |
Nov 29 01:00:15.834 INFO [stderr] 139 |             let mut bf = &mut buffer;
Nov 29 01:00:15.834 INFO [stderr]     |                 ----^^
Nov 29 01:00:15.834 INFO [stderr]     |                 |
Nov 29 01:00:15.834 INFO [stderr]     |                 help: remove this `mut`
Nov 29 01:00:15.834 INFO [stderr]     |
Nov 29 01:00:15.834 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 01:00:15.834 INFO [stderr] 
Nov 29 01:00:15.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.85s
Nov 29 01:00:15.904 INFO [stderr] su: No module specific data is present
Nov 29 01:00:16.477 INFO running `"docker" "inspect" "c7168e25752d5783edbd942b10f24f26d3f43560eda90ba9a4de58bc8af15619"`
Nov 29 01:00:16.718 INFO running `"docker" "rm" "-f" "c7168e25752d5783edbd942b10f24f26d3f43560eda90ba9a4de58bc8af15619"`
Nov 29 01:00:17.024 INFO [stdout] c7168e25752d5783edbd942b10f24f26d3f43560eda90ba9a4de58bc8af15619