Dec 05 12:12:15.576 INFO checking hdlc-0.2.4 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 12:12:15.576 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12:12:16.015 INFO [stdout] 4599a041766fd5b0ab6c994b5581cd715761905a962e3b2cd71caf16258469de
Dec 05 12:12:16.021 INFO running `"docker" "start" "-a" "4599a041766fd5b0ab6c994b5581cd715761905a962e3b2cd71caf16258469de"`
Dec 05 12:12:17.863 INFO [stderr] usermod: no changes
Dec 05 12:12:18.019 INFO [stderr]     Checking hdlc v0.2.4 (/source)
Dec 05 12:12:22.047 INFO [stderr] warning: unused import: `decode_slice`
Dec 05 12:12:22.047 INFO [stderr]  --> benches/bench.rs:5:20
Dec 05 12:12:22.047 INFO [stderr]   |
Dec 05 12:12:22.047 INFO [stderr] 5 | use hdlc::{decode, decode_slice, encode, SpecialChars};
Dec 05 12:12:22.047 INFO [stderr]   |                    ^^^^^^^^^^^^
Dec 05 12:12:22.047 INFO [stderr]   |
Dec 05 12:12:22.047 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 12:12:22.047 INFO [stderr] 
Dec 05 12:12:22.123 INFO [stderr] warning: struct is never constructed: `MyBox`
Dec 05 12:12:22.123 INFO [stderr]   --> benches/bench.rs:10:1
Dec 05 12:12:22.123 INFO [stderr]    |
Dec 05 12:12:22.123 INFO [stderr] 10 | struct MyBox<'a, T: 'a>(&'a mut T);
Dec 05 12:12:22.123 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:12:22.123 INFO [stderr]    |
Dec 05 12:12:22.123 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 12:12:22.123 INFO [stderr] 
Dec 05 12:12:22.123 INFO [stderr] warning: method is never used: `new`
Dec 05 12:12:22.123 INFO [stderr]   --> benches/bench.rs:38:5
Dec 05 12:12:22.123 INFO [stderr]    |
Dec 05 12:12:22.123 INFO [stderr] 38 |     fn new(x: &'a mut T) -> MyBox<'a, T> {
Dec 05 12:12:22.123 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:12:22.123 INFO [stderr] 
Dec 05 12:12:22.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
Dec 05 12:12:22.275 INFO [stderr] su: No module specific data is present
Dec 05 12:12:22.857 INFO running `"docker" "inspect" "4599a041766fd5b0ab6c994b5581cd715761905a962e3b2cd71caf16258469de"`
Dec 05 12:12:23.109 INFO running `"docker" "rm" "-f" "4599a041766fd5b0ab6c994b5581cd715761905a962e3b2cd71caf16258469de"`
Dec 05 12:12:23.318 INFO [stdout] 4599a041766fd5b0ab6c994b5581cd715761905a962e3b2cd71caf16258469de