Oct 13 07:52:27.657 INFO checking strings-0.1.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:52:27.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 07:52:28.172 INFO blam! acffe452bb5c0a049695467e8967688c89f0f79d3bcfc29bd19cdbd1ef66633c
Oct 13 07:52:28.188 INFO running `"docker" "start" "-a" "acffe452bb5c0a049695467e8967688c89f0f79d3bcfc29bd19cdbd1ef66633c"`
Oct 13 07:52:29.968 INFO kablam! usermod: no changes
Oct 13 07:52:30.068 INFO kablam!     Checking strings v0.1.1 (/source)
Oct 13 07:52:31.472 INFO kablam! warning: variable does not need to be mutable
Oct 13 07:52:31.472 INFO kablam!    --> src/string_buffer.rs:264:17
Oct 13 07:52:31.472 INFO kablam!     |
Oct 13 07:52:31.472 INFO kablam! 264 |             let mut last = &mut *result.first;
Oct 13 07:52:31.472 INFO kablam!     |                 ----^^^^
Oct 13 07:52:31.472 INFO kablam!     |                 |
Oct 13 07:52:31.472 INFO kablam!     |                 help: remove this `mut`
Oct 13 07:52:31.472 INFO kablam!     |
Oct 13 07:52:31.472 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 07:52:31.472 INFO kablam! 
Oct 13 07:52:32.068 INFO kablam! warning: variable does not need to be mutable
Oct 13 07:52:32.068 INFO kablam!    --> src/string_buffer.rs:264:17
Oct 13 07:52:32.068 INFO kablam!     |
Oct 13 07:52:32.069 INFO kablam! 264 |             let mut last = &mut *result.first;
Oct 13 07:52:32.070 INFO kablam!     |                 ----^^^^
Oct 13 07:52:32.070 INFO kablam!     |                 |
Oct 13 07:52:32.070 INFO kablam!     |                 help: remove this `mut`
Oct 13 07:52:32.070 INFO kablam!     |
Oct 13 07:52:32.070 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 07:52:32.070 INFO kablam! 
Oct 13 07:52:32.449 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
Oct 13 07:52:32.456 INFO kablam! su: No module specific data is present
Oct 13 07:52:33.546 INFO running `"docker" "rm" "-f" "acffe452bb5c0a049695467e8967688c89f0f79d3bcfc29bd19cdbd1ef66633c"`
Oct 13 07:52:33.896 INFO blam! acffe452bb5c0a049695467e8967688c89f0f79d3bcfc29bd19cdbd1ef66633c