Dec 18 14:12:11.345 INFO checking lzw-0.10.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:12:11.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/lzw/0.10.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:12:11.536 INFO [stdout] df61a99523e6a29f9637baaa0bb521aeb3be153feeea5f5cb41d43b3b3fa8706
Dec 18 14:12:11.538 INFO running `"docker" "start" "-a" "df61a99523e6a29f9637baaa0bb521aeb3be153feeea5f5cb41d43b3b3fa8706"`
Dec 18 14:12:12.206 INFO [stderr]     Checking lzw v0.10.0 (/opt/crater/workdir)
Dec 18 14:12:12.590 INFO [stderr] warning: unused import: `Write`
Dec 18 14:12:12.591 INFO [stderr]  --> src/lzw.rs:8:21
Dec 18 14:12:12.591 INFO [stderr]   |
Dec 18 14:12:12.591 INFO [stderr] 8 | use std::io::{Read, Write};
Dec 18 14:12:12.591 INFO [stderr]   |                     ^^^^^
Dec 18 14:12:12.591 INFO [stderr]   |
Dec 18 14:12:12.591 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:12:12.591 INFO [stderr] 
Dec 18 14:12:12.663 INFO [stderr] warning: unused import: `Write`
Dec 18 14:12:12.664 INFO [stderr]  --> src/lzw.rs:8:21
Dec 18 14:12:12.664 INFO [stderr]   |
Dec 18 14:12:12.664 INFO [stderr] 8 | use std::io::{Read, Write};
Dec 18 14:12:12.664 INFO [stderr]   |                     ^^^^^
Dec 18 14:12:12.664 INFO [stderr]   |
Dec 18 14:12:12.664 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:12:12.664 INFO [stderr] 
Dec 18 14:12:12.941 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 18 14:12:13.243 INFO running `"docker" "inspect" "df61a99523e6a29f9637baaa0bb521aeb3be153feeea5f5cb41d43b3b3fa8706"`
Dec 18 14:12:13.311 INFO running `"docker" "rm" "-f" "df61a99523e6a29f9637baaa0bb521aeb3be153feeea5f5cb41d43b3b3fa8706"`
Dec 18 14:12:13.404 INFO [stdout] df61a99523e6a29f9637baaa0bb521aeb3be153feeea5f5cb41d43b3b3fa8706