Dec 11 20:37:38.291 INFO checking conman124/aes against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:37:38.292 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 11 20:37:38.499 INFO [stdout] 0da38e6334f4f38485aca88d3aa5e0f2e050d0121fe00cc940b16c30031c544a
Dec 11 20:37:38.501 INFO running `"docker" "start" "-a" "0da38e6334f4f38485aca88d3aa5e0f2e050d0121fe00cc940b16c30031c544a"`
Dec 11 20:37:39.109 INFO [stderr] usermod: no changes
Dec 11 20:37:39.164 INFO [stderr]     Checking aes v0.1.0 (/source)
Dec 11 20:37:40.372 INFO [stderr] warning: function is never used: `inv_sub_word`
Dec 11 20:37:40.372 INFO [stderr]   --> src/sbox.rs:63:1
Dec 11 20:37:40.372 INFO [stderr]    |
Dec 11 20:37:40.372 INFO [stderr] 63 | pub fn inv_sub_word(word: u32) -> u32 {
Dec 11 20:37:40.372 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:37:40.372 INFO [stderr]    |
Dec 11 20:37:40.372 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 20:37:40.372 INFO [stderr] 
Dec 11 20:37:40.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:37:40.375 INFO [stderr]   --> src/key.rs:77:13
Dec 11 20:37:40.375 INFO [stderr]    |
Dec 11 20:37:40.375 INFO [stderr] 77 |             write!(formatter, "{:0>8x}", word);
Dec 11 20:37:40.375 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:37:40.375 INFO [stderr]    |
Dec 11 20:37:40.375 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 20:37:40.376 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:37:40.376 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 20:37:40.376 INFO [stderr] 
Dec 11 20:37:40.520 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:37:40.520 INFO [stderr]   --> src/key.rs:77:13
Dec 11 20:37:40.520 INFO [stderr]    |
Dec 11 20:37:40.520 INFO [stderr] 77 |             write!(formatter, "{:0>8x}", word);
Dec 11 20:37:40.520 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:37:40.520 INFO [stderr]    |
Dec 11 20:37:40.520 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 20:37:40.520 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:37:40.520 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 20:37:40.520 INFO [stderr] 
Dec 11 20:37:40.576 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Dec 11 20:37:40.576 INFO [stderr] su: No module specific data is present
Dec 11 20:37:41.461 INFO running `"docker" "inspect" "0da38e6334f4f38485aca88d3aa5e0f2e050d0121fe00cc940b16c30031c544a"`
Dec 11 20:37:41.842 INFO running `"docker" "rm" "-f" "0da38e6334f4f38485aca88d3aa5e0f2e050d0121fe00cc940b16c30031c544a"`
Dec 11 20:37:42.204 INFO [stdout] 0da38e6334f4f38485aca88d3aa5e0f2e050d0121fe00cc940b16c30031c544a