Dec 12 13:18:44.978 INFO checking hdlc-0.2.4 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 13:18:44.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 13:18:45.387 INFO [stdout] 8fdd5ceceaed96319b9ee3eac86b9e3efcf8a469522af438d39011e5b3db9fa7
Dec 12 13:18:45.389 INFO running `"docker" "start" "-a" "8fdd5ceceaed96319b9ee3eac86b9e3efcf8a469522af438d39011e5b3db9fa7"`
Dec 12 13:18:46.273 INFO [stderr] usermod: no changes
Dec 12 13:18:46.351 INFO [stderr]     Checking hdlc v0.2.4 (/source)
Dec 12 13:18:49.859 INFO [stderr] warning: unused import: `decode_slice`
Dec 12 13:18:49.859 INFO [stderr]  --> benches/bench.rs:5:20
Dec 12 13:18:49.859 INFO [stderr]   |
Dec 12 13:18:49.859 INFO [stderr] 5 | use hdlc::{decode, decode_slice, encode, SpecialChars};
Dec 12 13:18:49.859 INFO [stderr]   |                    ^^^^^^^^^^^^
Dec 12 13:18:49.859 INFO [stderr]   |
Dec 12 13:18:49.859 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 13:18:49.859 INFO [stderr] 
Dec 12 13:18:49.931 INFO [stderr] warning: struct is never constructed: `MyBox`
Dec 12 13:18:49.931 INFO [stderr]   --> benches/bench.rs:10:1
Dec 12 13:18:49.931 INFO [stderr]    |
Dec 12 13:18:49.931 INFO [stderr] 10 | struct MyBox<'a, T: 'a>(&'a mut T);
Dec 12 13:18:49.931 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:18:49.931 INFO [stderr]    |
Dec 12 13:18:49.931 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 13:18:49.931 INFO [stderr] 
Dec 12 13:18:49.931 INFO [stderr] warning: method is never used: `new`
Dec 12 13:18:49.931 INFO [stderr]   --> benches/bench.rs:38:5
Dec 12 13:18:49.932 INFO [stderr]    |
Dec 12 13:18:49.932 INFO [stderr] 38 |     fn new(x: &'a mut T) -> MyBox<'a, T> {
Dec 12 13:18:49.932 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:18:49.932 INFO [stderr] 
Dec 12 13:18:50.019 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
Dec 12 13:18:50.028 INFO [stderr] su: No module specific data is present
Dec 12 13:18:50.547 INFO running `"docker" "inspect" "8fdd5ceceaed96319b9ee3eac86b9e3efcf8a469522af438d39011e5b3db9fa7"`
Dec 12 13:18:50.666 INFO running `"docker" "rm" "-f" "8fdd5ceceaed96319b9ee3eac86b9e3efcf8a469522af438d39011e5b3db9fa7"`
Dec 12 13:18:50.799 INFO [stdout] 8fdd5ceceaed96319b9ee3eac86b9e3efcf8a469522af438d39011e5b3db9fa7