Dec 17 15:58:39.959 INFO checking scooter333/rustHolder against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:58:39.959 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/scooter333/rustHolder:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:58:40.490 INFO [stdout] 8bdb0a0b444baf65d452e2b094d6a4d119ff0ff8a78eb78736338ff9d5297b41
Dec 17 15:58:40.494 INFO running `"docker" "start" "-a" "8bdb0a0b444baf65d452e2b094d6a4d119ff0ff8a78eb78736338ff9d5297b41"`
Dec 17 15:58:42.505 INFO [stderr]     Checking freq v0.1.0 (/opt/crater/workdir)
Dec 17 15:58:42.788 INFO [stderr] warning: unused imports: `BufRead`, `BufReader`
Dec 17 15:58:42.788 INFO [stderr]  --> src/main.rs:2:15
Dec 17 15:58:42.788 INFO [stderr]   |
Dec 17 15:58:42.788 INFO [stderr] 2 | use std::io::{BufRead, BufReader, Read, stdin, Write, stdout,};
Dec 17 15:58:42.788 INFO [stderr]   |               ^^^^^^^  ^^^^^^^^^
Dec 17 15:58:42.788 INFO [stderr]   |
Dec 17 15:58:42.788 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:58:42.788 INFO [stderr] 
Dec 17 15:58:42.848 INFO [stderr] warning: unused imports: `BufRead`, `BufReader`
Dec 17 15:58:42.848 INFO [stderr]  --> src/main.rs:2:15
Dec 17 15:58:42.848 INFO [stderr]   |
Dec 17 15:58:42.848 INFO [stderr] 2 | use std::io::{BufRead, BufReader, Read, stdin, Write, stdout,};
Dec 17 15:58:42.848 INFO [stderr]   |               ^^^^^^^  ^^^^^^^^^
Dec 17 15:58:42.848 INFO [stderr]   |
Dec 17 15:58:42.848 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:58:42.848 INFO [stderr] 
Dec 17 15:58:43.160 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 17 15:58:43.978 INFO running `"docker" "inspect" "8bdb0a0b444baf65d452e2b094d6a4d119ff0ff8a78eb78736338ff9d5297b41"`
Dec 17 15:58:44.196 INFO running `"docker" "rm" "-f" "8bdb0a0b444baf65d452e2b094d6a4d119ff0ff8a78eb78736338ff9d5297b41"`
Dec 17 15:58:44.407 INFO [stdout] 8bdb0a0b444baf65d452e2b094d6a4d119ff0ff8a78eb78736338ff9d5297b41