Dec 05 11:50:43.812 INFO checking imagefmt-4.0.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:50:43.812 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 11:50:44.241 INFO [stdout] f1bd74b4b07f33e8996acb563e43541f85567a2599a12017a2c89cf5973b0ddb
Dec 05 11:50:44.251 INFO running `"docker" "start" "-a" "f1bd74b4b07f33e8996acb563e43541f85567a2599a12017a2c89cf5973b0ddb"`
Dec 05 11:50:46.238 INFO [stderr] usermod: no changes
Dec 05 11:50:46.370 INFO [stderr]     Checking imagefmt v4.0.0 (/source)
Dec 05 11:50:49.079 INFO [stderr] warning: unused import: `Write`
Dec 05 11:50:49.079 INFO [stderr]   --> src/lib.rs:35:27
Dec 05 11:50:49.079 INFO [stderr]    |
Dec 05 11:50:49.079 INFO [stderr] 35 | use std::io::{self, Read, Write, BufReader, BufWriter, ErrorKind, Seek, SeekFrom};
Dec 05 11:50:49.079 INFO [stderr]    |                           ^^^^^
Dec 05 11:50:49.079 INFO [stderr]    |
Dec 05 11:50:49.079 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 11:50:49.079 INFO [stderr] 
Dec 05 11:50:49.675 INFO [stderr] warning: unused import: `Write`
Dec 05 11:50:49.675 INFO [stderr]   --> src/lib.rs:35:27
Dec 05 11:50:49.675 INFO [stderr]    |
Dec 05 11:50:49.675 INFO [stderr] 35 | use std::io::{self, Read, Write, BufReader, BufWriter, ErrorKind, Seek, SeekFrom};
Dec 05 11:50:49.675 INFO [stderr]    |                           ^^^^^
Dec 05 11:50:49.675 INFO [stderr]    |
Dec 05 11:50:49.675 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 11:50:49.675 INFO [stderr] 
Dec 05 11:50:50.099 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
Dec 05 11:50:50.113 INFO [stderr] su: No module specific data is present
Dec 05 11:50:51.443 INFO running `"docker" "inspect" "f1bd74b4b07f33e8996acb563e43541f85567a2599a12017a2c89cf5973b0ddb"`
Dec 05 11:50:51.721 INFO running `"docker" "rm" "-f" "f1bd74b4b07f33e8996acb563e43541f85567a2599a12017a2c89cf5973b0ddb"`
Dec 05 11:50:52.019 INFO [stdout] f1bd74b4b07f33e8996acb563e43541f85567a2599a12017a2c89cf5973b0ddb