Dec 19 09:17:18.423 INFO checking scooter333/rustHolder against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:17:18.423 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:17:18.936 INFO [stdout] 3402f7fee26cf0944e9f088528b4fb64a4541d3ab79a1d02a2afdb6b4b921b66
Dec 19 09:17:18.943 INFO running `"docker" "start" "-a" "3402f7fee26cf0944e9f088528b4fb64a4541d3ab79a1d02a2afdb6b4b921b66"`
Dec 19 09:17:20.040 INFO [stderr]     Checking freq v0.1.0 (/opt/crater/workdir)
Dec 19 09:17:20.141 INFO [stderr] warning: unused imports: `BufRead`, `BufReader`
Dec 19 09:17:20.141 INFO [stderr]  --> src/main.rs:2:15
Dec 19 09:17:20.141 INFO [stderr]   |
Dec 19 09:17:20.141 INFO [stderr] 2 | use std::io::{BufRead, BufReader, Read, stdin, Write, stdout,};
Dec 19 09:17:20.141 INFO [stderr]   |               ^^^^^^^  ^^^^^^^^^
Dec 19 09:17:20.141 INFO [stderr]   |
Dec 19 09:17:20.141 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 09:17:20.141 INFO [stderr] 
Dec 19 09:17:20.154 INFO [stderr] warning: unused imports: `BufRead`, `BufReader`
Dec 19 09:17:20.154 INFO [stderr]  --> src/main.rs:2:15
Dec 19 09:17:20.154 INFO [stderr]   |
Dec 19 09:17:20.154 INFO [stderr] 2 | use std::io::{BufRead, BufReader, Read, stdin, Write, stdout,};
Dec 19 09:17:20.154 INFO [stderr]   |               ^^^^^^^  ^^^^^^^^^
Dec 19 09:17:20.154 INFO [stderr]   |
Dec 19 09:17:20.173 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 09:17:20.174 INFO [stderr] 
Dec 19 09:17:20.275 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Dec 19 09:17:20.554 INFO running `"docker" "inspect" "3402f7fee26cf0944e9f088528b4fb64a4541d3ab79a1d02a2afdb6b4b921b66"`
Dec 19 09:17:20.663 INFO running `"docker" "rm" "-f" "3402f7fee26cf0944e9f088528b4fb64a4541d3ab79a1d02a2afdb6b4b921b66"`
Dec 19 09:17:20.795 INFO [stdout] 3402f7fee26cf0944e9f088528b4fb64a4541d3ab79a1d02a2afdb6b4b921b66