Oct 13 14:46:58.195 INFO checking gitter-slack-0.1.1 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 14:46:58.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 14:46:58.720 INFO blam! 3006d85602ee19a185c5f20bd1778901d5fb677f1e818d0789aaa643cd028da0
Oct 13 14:46:58.729 INFO running `"docker" "start" "-a" "3006d85602ee19a185c5f20bd1778901d5fb677f1e818d0789aaa643cd028da0"`
Oct 13 14:46:59.800 INFO kablam! usermod: no changes
Oct 13 14:46:59.880 INFO kablam! warning: only one of `license` or `license-file` is necessary
Oct 13 14:47:00.201 INFO kablam!     Checking gitter-slack v0.1.1 (/source)
Oct 13 14:47:10.576 INFO kablam! warning: variable does not need to be mutable
Oct 13 14:47:10.576 INFO kablam!    --> src/main.rs:139:17
Oct 13 14:47:10.577 INFO kablam!     |
Oct 13 14:47:10.577 INFO kablam! 139 |             let mut bf = &mut buffer;
Oct 13 14:47:10.577 INFO kablam!     |                 ----^^
Oct 13 14:47:10.577 INFO kablam!     |                 |
Oct 13 14:47:10.577 INFO kablam!     |                 help: remove this `mut`
Oct 13 14:47:10.577 INFO kablam!     |
Oct 13 14:47:10.577 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 14:47:10.577 INFO kablam! 
Oct 13 14:47:10.632 INFO kablam! warning: variable does not need to be mutable
Oct 13 14:47:10.632 INFO kablam!    --> src/main.rs:139:17
Oct 13 14:47:10.632 INFO kablam!     |
Oct 13 14:47:10.632 INFO kablam! 139 |             let mut bf = &mut buffer;
Oct 13 14:47:10.632 INFO kablam!     |                 ----^^
Oct 13 14:47:10.632 INFO kablam!     |                 |
Oct 13 14:47:10.632 INFO kablam!     |                 help: remove this `mut`
Oct 13 14:47:10.632 INFO kablam!     |
Oct 13 14:47:10.632 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 14:47:10.633 INFO kablam! 
Oct 13 14:47:10.775 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.94s
Oct 13 14:47:10.793 INFO kablam! su: No module specific data is present
Oct 13 14:47:12.109 INFO running `"docker" "rm" "-f" "3006d85602ee19a185c5f20bd1778901d5fb677f1e818d0789aaa643cd028da0"`
Oct 13 14:47:12.432 INFO blam! 3006d85602ee19a185c5f20bd1778901d5fb677f1e818d0789aaa643cd028da0