Nov 28 23:55:46.681 INFO checking hdlc-0.2.4 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:55:46.682 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 23:55:47.065 INFO [stdout] 3ed91cb3812477da663284bb281715a2d6c108a0dff0a1e94afb896cfc22937b
Nov 28 23:55:47.067 INFO running `"docker" "start" "-a" "3ed91cb3812477da663284bb281715a2d6c108a0dff0a1e94afb896cfc22937b"`
Nov 28 23:55:48.844 INFO [stderr] usermod: no changes
Nov 28 23:55:48.935 INFO [stderr]     Checking hdlc v0.2.4 (/source)
Nov 28 23:55:52.809 INFO [stderr] warning: unused import: `decode_slice`
Nov 28 23:55:52.809 INFO [stderr]  --> benches/bench.rs:5:20
Nov 28 23:55:52.809 INFO [stderr]   |
Nov 28 23:55:52.809 INFO [stderr] 5 | use hdlc::{decode, decode_slice, encode, SpecialChars};
Nov 28 23:55:52.809 INFO [stderr]   |                    ^^^^^^^^^^^^
Nov 28 23:55:52.809 INFO [stderr]   |
Nov 28 23:55:52.809 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 23:55:52.809 INFO [stderr] 
Nov 28 23:55:52.900 INFO [stderr] warning: struct is never constructed: `MyBox`
Nov 28 23:55:52.900 INFO [stderr]   --> benches/bench.rs:10:1
Nov 28 23:55:52.900 INFO [stderr]    |
Nov 28 23:55:52.900 INFO [stderr] 10 | struct MyBox<'a, T: 'a>(&'a mut T);
Nov 28 23:55:52.900 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:55:52.900 INFO [stderr]    |
Nov 28 23:55:52.900 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 23:55:52.900 INFO [stderr] 
Nov 28 23:55:52.900 INFO [stderr] warning: method is never used: `new`
Nov 28 23:55:52.900 INFO [stderr]   --> benches/bench.rs:38:5
Nov 28 23:55:52.900 INFO [stderr]    |
Nov 28 23:55:52.900 INFO [stderr] 38 |     fn new(x: &'a mut T) -> MyBox<'a, T> {
Nov 28 23:55:52.900 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:55:52.900 INFO [stderr] 
Nov 28 23:55:53.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
Nov 28 23:55:53.557 INFO [stderr] su: No module specific data is present
Nov 28 23:55:54.380 INFO running `"docker" "inspect" "3ed91cb3812477da663284bb281715a2d6c108a0dff0a1e94afb896cfc22937b"`
Nov 28 23:55:54.712 INFO running `"docker" "rm" "-f" "3ed91cb3812477da663284bb281715a2d6c108a0dff0a1e94afb896cfc22937b"`
Nov 28 23:55:55.068 INFO [stdout] 3ed91cb3812477da663284bb281715a2d6c108a0dff0a1e94afb896cfc22937b