Oct 13 11:01:11.439 INFO checking pem-iterator-0.2.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 11:01:11.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 11:01:11.754 INFO blam! 8c111bfaedf398d98c8afed4ab481def42e142a4312ff8ce67e4048237f46bde
Oct 13 11:01:11.757 INFO running `"docker" "start" "-a" "8c111bfaedf398d98c8afed4ab481def42e142a4312ff8ce67e4048237f46bde"`
Oct 13 11:01:13.023 INFO kablam! usermod: no changes
Oct 13 11:01:13.155 INFO kablam!     Checking pem-iterator v0.2.0 (/source)
Oct 13 11:01:19.959 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:01:19.959 INFO kablam!    --> benches/bench.rs:201:9
Oct 13 11:01:19.959 INFO kablam!     |
Oct 13 11:01:19.959 INFO kablam! 201 |     let mut label_buf = String::new();
Oct 13 11:01:19.959 INFO kablam!     |         ----^^^^^^^^^
Oct 13 11:01:19.959 INFO kablam!     |         |
Oct 13 11:01:19.959 INFO kablam!     |         help: remove this `mut`
Oct 13 11:01:19.959 INFO kablam!     |
Oct 13 11:01:19.959 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 11:01:19.959 INFO kablam! 
Oct 13 11:01:19.959 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:01:19.959 INFO kablam!    --> benches/bench.rs:242:9
Oct 13 11:01:19.959 INFO kablam!     |
Oct 13 11:01:19.959 INFO kablam! 242 |     let mut label_buf = String::new();
Oct 13 11:01:19.959 INFO kablam!     |         ----^^^^^^^^^
Oct 13 11:01:19.959 INFO kablam!     |         |
Oct 13 11:01:19.959 INFO kablam!     |         help: remove this `mut`
Oct 13 11:01:19.959 INFO kablam! 
Oct 13 11:01:19.959 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:01:19.959 INFO kablam!    --> benches/bench.rs:285:9
Oct 13 11:01:19.959 INFO kablam!     |
Oct 13 11:01:19.959 INFO kablam! 285 |     let mut label_buf = String::new();
Oct 13 11:01:19.959 INFO kablam!     |         ----^^^^^^^^^
Oct 13 11:01:19.959 INFO kablam!     |         |
Oct 13 11:01:19.959 INFO kablam!     |         help: remove this `mut`
Oct 13 11:01:19.959 INFO kablam! 
Oct 13 11:01:19.960 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:01:19.960 INFO kablam!    --> benches/bench.rs:326:9
Oct 13 11:01:19.960 INFO kablam!     |
Oct 13 11:01:19.960 INFO kablam! 326 |     let mut label_buf = String::new();
Oct 13 11:01:19.960 INFO kablam!     |         ----^^^^^^^^^
Oct 13 11:01:19.960 INFO kablam!     |         |
Oct 13 11:01:19.960 INFO kablam!     |         help: remove this `mut`
Oct 13 11:01:19.960 INFO kablam! 
Oct 13 11:01:20.060 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.99s
Oct 13 11:01:20.065 INFO kablam! su: No module specific data is present
Oct 13 11:01:21.256 INFO running `"docker" "rm" "-f" "8c111bfaedf398d98c8afed4ab481def42e142a4312ff8ce67e4048237f46bde"`
Oct 13 11:01:21.628 INFO blam! 8c111bfaedf398d98c8afed4ab481def42e142a4312ff8ce67e4048237f46bde