Nov 28 07:08:44.331 INFO checking dahlia/gitter-slack against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 07:08:44.332 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 07:08:44.793 INFO [stdout] 950a9b003aecb942139e9c0f37b2399c55835196258a1ac5c7e282888d2cde7b
Nov 28 07:08:44.795 INFO running `"docker" "start" "-a" "950a9b003aecb942139e9c0f37b2399c55835196258a1ac5c7e282888d2cde7b"`
Nov 28 07:08:45.993 INFO [stderr] usermod: no changes
Nov 28 07:08:46.080 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Nov 28 07:08:46.325 INFO [stderr]     Checking chrono v0.4.0
Nov 28 07:08:46.325 INFO [stderr]     Checking tokio-tls v0.1.3
Nov 28 07:08:48.214 INFO [stderr]     Checking hyper-tls v0.1.2
Nov 28 07:08:50.661 INFO [stderr]     Checking gitter-slack v0.1.1 (/source)
Nov 28 07:08:54.136 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:08:54.136 INFO [stderr]    --> src/main.rs:139:17
Nov 28 07:08:54.136 INFO [stderr]     |
Nov 28 07:08:54.136 INFO [stderr] 139 |             let mut bf = &mut buffer;
Nov 28 07:08:54.136 INFO [stderr]     |                 ----^^
Nov 28 07:08:54.136 INFO [stderr]     |                 |
Nov 28 07:08:54.136 INFO [stderr]     |                 help: remove this `mut`
Nov 28 07:08:54.136 INFO [stderr]     |
Nov 28 07:08:54.136 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 07:08:54.136 INFO [stderr] 
Nov 28 07:08:54.504 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:08:54.505 INFO [stderr]    --> src/main.rs:139:17
Nov 28 07:08:54.506 INFO [stderr]     |
Nov 28 07:08:54.507 INFO [stderr] 139 |             let mut bf = &mut buffer;
Nov 28 07:08:54.507 INFO [stderr]     |                 ----^^
Nov 28 07:08:54.508 INFO [stderr]     |                 |
Nov 28 07:08:54.508 INFO [stderr]     |                 help: remove this `mut`
Nov 28 07:08:54.509 INFO [stderr]     |
Nov 28 07:08:54.510 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 07:08:54.510 INFO [stderr] 
Nov 28 07:08:54.585 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
Nov 28 07:08:54.605 INFO [stderr] su: No module specific data is present
Nov 28 07:08:55.746 INFO running `"docker" "inspect" "950a9b003aecb942139e9c0f37b2399c55835196258a1ac5c7e282888d2cde7b"`
Nov 28 07:08:56.054 INFO running `"docker" "rm" "-f" "950a9b003aecb942139e9c0f37b2399c55835196258a1ac5c7e282888d2cde7b"`
Nov 28 07:08:56.332 INFO [stdout] 950a9b003aecb942139e9c0f37b2399c55835196258a1ac5c7e282888d2cde7b