Oct 13 08:40:44.371 INFO checking setenv-0.1.2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 08:40:44.371 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 08:40:44.794 INFO blam! 6bcf4ba678a828ccb05fe49758824d8c21eb189f854303da8bb748155fad70c6
Oct 13 08:40:44.796 INFO running `"docker" "start" "-a" "6bcf4ba678a828ccb05fe49758824d8c21eb189f854303da8bb748155fad70c6"`
Oct 13 08:40:46.183 INFO kablam! usermod: no changes
Oct 13 08:40:46.264 INFO kablam!     Checking setenv v0.1.2 (/source)
Oct 13 08:40:48.089 INFO kablam! warning: unused import: `Write`
Oct 13 08:40:48.089 INFO kablam!  --> examples/test_cd.rs:9:15
Oct 13 08:40:48.090 INFO kablam!   |
Oct 13 08:40:48.090 INFO kablam! 9 | use std::io::{Write};
Oct 13 08:40:48.090 INFO kablam!   |               ^^^^^
Oct 13 08:40:48.091 INFO kablam!   |
Oct 13 08:40:48.091 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 08:40:48.091 INFO kablam! 
Oct 13 08:40:48.166 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
Oct 13 08:40:48.169 INFO kablam! su: No module specific data is present
Oct 13 08:40:49.005 INFO running `"docker" "rm" "-f" "6bcf4ba678a828ccb05fe49758824d8c21eb189f854303da8bb748155fad70c6"`
Oct 13 08:40:49.304 INFO blam! 6bcf4ba678a828ccb05fe49758824d8c21eb189f854303da8bb748155fad70c6