Dec 04 20:22:23.068 INFO checking dahlia/gitter-slack against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:22:23.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 20:22:23.554 INFO [stdout] ff60b0cc7c1fd6ddcfad6eb9b348dc1e36f8478e25638458b1dc74fd50891277
Dec 04 20:22:23.556 INFO running `"docker" "start" "-a" "ff60b0cc7c1fd6ddcfad6eb9b348dc1e36f8478e25638458b1dc74fd50891277"`
Dec 04 20:22:25.390 INFO [stderr] usermod: no changes
Dec 04 20:22:25.463 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 04 20:22:25.674 INFO [stderr]    Compiling openssl-sys v0.9.17
Dec 04 20:22:25.676 INFO [stderr]     Checking chrono v0.4.0
Dec 04 20:22:28.667 INFO [stderr]    Compiling openssl v0.9.17
Dec 04 20:22:32.912 INFO [stderr]     Checking native-tls v0.1.4
Dec 04 20:22:33.615 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 04 20:22:35.007 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 04 20:22:36.980 INFO [stderr]     Checking gitter-slack v0.1.1 (/source)
Dec 04 20:22:39.883 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:22:39.883 INFO [stderr]    --> src/main.rs:139:17
Dec 04 20:22:39.883 INFO [stderr]     |
Dec 04 20:22:39.883 INFO [stderr] 139 |             let mut bf = &mut buffer;
Dec 04 20:22:39.883 INFO [stderr]     |                 ----^^
Dec 04 20:22:39.883 INFO [stderr]     |                 |
Dec 04 20:22:39.883 INFO [stderr]     |                 help: remove this `mut`
Dec 04 20:22:39.883 INFO [stderr]     |
Dec 04 20:22:39.883 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 20:22:39.883 INFO [stderr] 
Dec 04 20:22:40.024 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:22:40.024 INFO [stderr]    --> src/main.rs:139:17
Dec 04 20:22:40.024 INFO [stderr]     |
Dec 04 20:22:40.024 INFO [stderr] 139 |             let mut bf = &mut buffer;
Dec 04 20:22:40.024 INFO [stderr]     |                 ----^^
Dec 04 20:22:40.024 INFO [stderr]     |                 |
Dec 04 20:22:40.024 INFO [stderr]     |                 help: remove this `mut`
Dec 04 20:22:40.024 INFO [stderr]     |
Dec 04 20:22:40.031 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 20:22:40.031 INFO [stderr] 
Dec 04 20:22:40.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.66s
Dec 04 20:22:40.099 INFO [stderr] su: No module specific data is present
Dec 04 20:22:40.767 INFO running `"docker" "inspect" "ff60b0cc7c1fd6ddcfad6eb9b348dc1e36f8478e25638458b1dc74fd50891277"`
Dec 04 20:22:41.047 INFO running `"docker" "rm" "-f" "ff60b0cc7c1fd6ddcfad6eb9b348dc1e36f8478e25638458b1dc74fd50891277"`
Dec 04 20:22:41.247 INFO [stdout] ff60b0cc7c1fd6ddcfad6eb9b348dc1e36f8478e25638458b1dc74fd50891277