Dec 12 05:14:09.250 INFO checking vigenere-0.0.3 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 05:14:09.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 05:14:09.784 INFO [stdout] 421010c40aa09b686a5ebbb753df0230d8899eeb83a578ed7c5afe5609eac6a9
Dec 12 05:14:09.796 INFO running `"docker" "start" "-a" "421010c40aa09b686a5ebbb753df0230d8899eeb83a578ed7c5afe5609eac6a9"`
Dec 12 05:14:11.752 INFO [stderr] usermod: no changes
Dec 12 05:14:11.856 INFO [stderr]     Checking vigenere v0.0.3 (/source)
Dec 12 05:14:12.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 05:14:12.623 INFO [stderr]   --> src/libvigenere.rs:63:29
Dec 12 05:14:12.623 INFO [stderr]    |
Dec 12 05:14:12.623 INFO [stderr] 63 |                             handle_out.write(&[out_char]);
Dec 12 05:14:12.623 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:14:12.623 INFO [stderr]    |
Dec 12 05:14:12.623 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 05:14:12.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 05:14:12.623 INFO [stderr] 
Dec 12 05:14:12.845 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 05:14:12.845 INFO [stderr]   --> src/libvigenere.rs:63:29
Dec 12 05:14:12.845 INFO [stderr]    |
Dec 12 05:14:12.845 INFO [stderr] 63 |                             handle_out.write(&[out_char]);
Dec 12 05:14:12.845 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:14:12.845 INFO [stderr]    |
Dec 12 05:14:12.845 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 05:14:12.845 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 05:14:12.846 INFO [stderr] 
Dec 12 05:14:12.872 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 12 05:14:12.886 INFO [stderr] su: No module specific data is present
Dec 12 05:14:14.086 INFO running `"docker" "inspect" "421010c40aa09b686a5ebbb753df0230d8899eeb83a578ed7c5afe5609eac6a9"`
Dec 12 05:14:14.404 INFO running `"docker" "rm" "-f" "421010c40aa09b686a5ebbb753df0230d8899eeb83a578ed7c5afe5609eac6a9"`
Dec 12 05:14:14.656 INFO [stdout] 421010c40aa09b686a5ebbb753df0230d8899eeb83a578ed7c5afe5609eac6a9