Dec 05 06:52:45.973 INFO checking serial-0.4.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:52:45.973 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 06:52:46.184 INFO [stdout] 7887703860e79bcf4f3db6c06d1c807375bbb8e798cee384040be0e5a3880cb1
Dec 05 06:52:46.191 INFO running `"docker" "start" "-a" "7887703860e79bcf4f3db6c06d1c807375bbb8e798cee384040be0e5a3880cb1"`
Dec 05 06:52:47.205 INFO [stderr] usermod: no changes
Dec 05 06:52:47.245 INFO [stderr]     Checking serial-unix v0.4.0
Dec 05 06:52:47.840 INFO [stderr]     Checking serial v0.4.0 (/source)
Dec 05 06:52:49.571 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 05 06:52:49.571 INFO [stderr]  --> examples/read_write.rs:6:5
Dec 05 06:52:49.571 INFO [stderr]   |
Dec 05 06:52:49.571 INFO [stderr] 6 | use std::io::prelude::*;
Dec 05 06:52:49.571 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 05 06:52:49.571 INFO [stderr]   |
Dec 05 06:52:49.571 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 06:52:49.571 INFO [stderr] 
Dec 05 06:52:49.733 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Dec 05 06:52:49.736 INFO [stderr] su: No module specific data is present
Dec 05 06:52:50.007 INFO running `"docker" "inspect" "7887703860e79bcf4f3db6c06d1c807375bbb8e798cee384040be0e5a3880cb1"`
Dec 05 06:52:50.158 INFO running `"docker" "rm" "-f" "7887703860e79bcf4f3db6c06d1c807375bbb8e798cee384040be0e5a3880cb1"`
Dec 05 06:52:50.319 INFO [stdout] 7887703860e79bcf4f3db6c06d1c807375bbb8e798cee384040be0e5a3880cb1