Dec 19 18:50:26.124 INFO checking conman124/aes against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:50:26.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/conman124/aes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:50:26.436 INFO [stdout] 31affb6bfa42c657a567ac405e2774f9e41967b70686e63192630417369985f6
Dec 19 18:50:26.439 INFO running `"docker" "start" "-a" "31affb6bfa42c657a567ac405e2774f9e41967b70686e63192630417369985f6"`
Dec 19 18:50:27.748 INFO [stderr]     Checking aes v0.1.0 (/opt/crater/workdir)
Dec 19 18:50:28.344 INFO [stderr] warning: function is never used: `inv_sub_word`
Dec 19 18:50:28.344 INFO [stderr]   --> src/sbox.rs:63:1
Dec 19 18:50:28.344 INFO [stderr]    |
Dec 19 18:50:28.344 INFO [stderr] 63 | pub fn inv_sub_word(word: u32) -> u32 {
Dec 19 18:50:28.344 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:50:28.344 INFO [stderr]    |
Dec 19 18:50:28.344 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:50:28.344 INFO [stderr] 
Dec 19 18:50:28.344 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:50:28.344 INFO [stderr]   --> src/key.rs:77:13
Dec 19 18:50:28.344 INFO [stderr]    |
Dec 19 18:50:28.344 INFO [stderr] 77 |             write!(formatter, "{:0>8x}", word);
Dec 19 18:50:28.344 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:50:28.344 INFO [stderr]    |
Dec 19 18:50:28.344 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:50:28.344 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:50:28.344 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 19 18:50:28.344 INFO [stderr] 
Dec 19 18:50:28.744 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:50:28.744 INFO [stderr]   --> src/key.rs:77:13
Dec 19 18:50:28.744 INFO [stderr]    |
Dec 19 18:50:28.744 INFO [stderr] 77 |             write!(formatter, "{:0>8x}", word);
Dec 19 18:50:28.744 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:50:28.744 INFO [stderr]    |
Dec 19 18:50:28.744 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:50:28.744 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:50:28.744 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 19 18:50:28.744 INFO [stderr] 
Dec 19 18:50:28.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 19 18:50:29.462 INFO running `"docker" "inspect" "31affb6bfa42c657a567ac405e2774f9e41967b70686e63192630417369985f6"`
Dec 19 18:50:29.752 INFO running `"docker" "rm" "-f" "31affb6bfa42c657a567ac405e2774f9e41967b70686e63192630417369985f6"`
Dec 19 18:50:30.044 INFO [stdout] 31affb6bfa42c657a567ac405e2774f9e41967b70686e63192630417369985f6