Nov 28 07:08:45.166 INFO checking dahlia/gitter-slack against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 07:08:45.168 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 28 07:08:45.618 INFO [stdout] 9423d805ceaf8b46657d8e1dbc3c0f38eec86a6f5fea8c85004b0198c9004387
Nov 28 07:08:45.620 INFO running `"docker" "start" "-a" "9423d805ceaf8b46657d8e1dbc3c0f38eec86a6f5fea8c85004b0198c9004387"`
Nov 28 07:08:47.640 INFO [stderr] usermod: no changes
Nov 28 07:08:47.685 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Nov 28 07:08:47.837 INFO [stderr]     Checking net2 v0.2.31
Nov 28 07:08:47.837 INFO [stderr]     Checking bytes v0.4.5
Nov 28 07:08:47.838 INFO [stderr]     Checking openssl-sys v0.9.17
Nov 28 07:08:47.838 INFO [stderr]     Checking chrono v0.4.0
Nov 28 07:08:49.871 INFO [stderr]     Checking openssl v0.9.17
Nov 28 07:08:50.209 INFO [stderr]     Checking mio v0.6.10
Nov 28 07:08:51.106 INFO [stderr]     Checking tokio-io v0.1.3
Nov 28 07:08:54.793 INFO [stderr]     Checking tokio-core v0.1.9
Nov 28 07:08:55.485 INFO [stderr]     Checking native-tls v0.1.4
Nov 28 07:08:56.737 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 28 07:08:56.737 INFO [stderr]     Checking tokio-tls v0.1.3
Nov 28 07:08:59.496 INFO [stderr]     Checking hyper v0.11.2
Nov 28 07:09:04.561 INFO [stderr]     Checking hyper-tls v0.1.2
Nov 28 07:09:06.182 INFO [stderr]     Checking gitter-slack v0.1.1 (/source)
Nov 28 07:09:08.832 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:09:08.833 INFO [stderr]    --> src/main.rs:139:17
Nov 28 07:09:08.833 INFO [stderr]     |
Nov 28 07:09:08.840 INFO [stderr] 139 |             let mut bf = &mut buffer;
Nov 28 07:09:08.840 INFO [stderr]     |                 ----^^
Nov 28 07:09:08.840 INFO [stderr]     |                 |
Nov 28 07:09:08.840 INFO [stderr]     |                 help: remove this `mut`
Nov 28 07:09:08.840 INFO [stderr]     |
Nov 28 07:09:08.840 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 07:09:08.840 INFO [stderr] 
Nov 28 07:09:09.192 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:09:09.192 INFO [stderr]    --> src/main.rs:139:17
Nov 28 07:09:09.192 INFO [stderr]     |
Nov 28 07:09:09.192 INFO [stderr] 139 |             let mut bf = &mut buffer;
Nov 28 07:09:09.192 INFO [stderr]     |                 ----^^
Nov 28 07:09:09.192 INFO [stderr]     |                 |
Nov 28 07:09:09.192 INFO [stderr]     |                 help: remove this `mut`
Nov 28 07:09:09.192 INFO [stderr]     |
Nov 28 07:09:09.193 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 07:09:09.193 INFO [stderr] 
Nov 28 07:09:09.276 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.60s
Nov 28 07:09:09.284 INFO [stderr] su: No module specific data is present
Nov 28 07:09:09.959 INFO running `"docker" "inspect" "9423d805ceaf8b46657d8e1dbc3c0f38eec86a6f5fea8c85004b0198c9004387"`
Nov 28 07:09:10.268 INFO running `"docker" "rm" "-f" "9423d805ceaf8b46657d8e1dbc3c0f38eec86a6f5fea8c85004b0198c9004387"`
Nov 28 07:09:10.570 INFO [stdout] 9423d805ceaf8b46657d8e1dbc3c0f38eec86a6f5fea8c85004b0198c9004387