Dec 11 22:27:32.050 INFO checking arcalinea/rcat against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:27:32.051 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11 22:27:32.536 INFO [stdout] 226586546cc7f0b2e5a34e060b545d9e3de9d067c17d401845565adf097bb091
Dec 11 22:27:32.542 INFO running `"docker" "start" "-a" "226586546cc7f0b2e5a34e060b545d9e3de9d067c17d401845565adf097bb091"`
Dec 11 22:27:33.696 INFO [stderr] usermod: no changes
Dec 11 22:27:33.786 INFO [stderr]     Checking rcat v0.1.0 (/source)
Dec 11 22:27:34.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:27:34.531 INFO [stderr]   --> src/main.rs:56:4
Dec 11 22:27:34.531 INFO [stderr]    |
Dec 11 22:27:34.531 INFO [stderr] 56 |             io::stdin().read_line(&mut input);
Dec 11 22:27:34.531 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:27:34.531 INFO [stderr]    |
Dec 11 22:27:34.531 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:27:34.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:27:34.531 INFO [stderr] 
Dec 11 22:27:34.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:27:34.531 INFO [stderr]   --> src/main.rs:58:4
Dec 11 22:27:34.531 INFO [stderr]    |
Dec 11 22:27:34.531 INFO [stderr] 58 |             stream.write(input.as_bytes());
Dec 11 22:27:34.531 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:27:34.531 INFO [stderr]    |
Dec 11 22:27:34.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:27:34.531 INFO [stderr] 
Dec 11 22:27:34.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:27:34.531 INFO [stderr]   --> src/main.rs:88:5
Dec 11 22:27:34.531 INFO [stderr]    |
Dec 11 22:27:34.531 INFO [stderr] 88 |                 file.write(&buffer[..s]);
Dec 11 22:27:34.531 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:27:34.531 INFO [stderr]    |
Dec 11 22:27:34.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:27:34.531 INFO [stderr] 
Dec 11 22:27:34.536 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:27:34.536 INFO [stderr]   --> src/main.rs:56:4
Dec 11 22:27:34.536 INFO [stderr]    |
Dec 11 22:27:34.536 INFO [stderr] 56 |             io::stdin().read_line(&mut input);
Dec 11 22:27:34.536 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:27:34.536 INFO [stderr]    |
Dec 11 22:27:34.536 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:27:34.536 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:27:34.536 INFO [stderr] 
Dec 11 22:27:34.536 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:27:34.536 INFO [stderr]   --> src/main.rs:58:4
Dec 11 22:27:34.536 INFO [stderr]    |
Dec 11 22:27:34.536 INFO [stderr] 58 |             stream.write(input.as_bytes());
Dec 11 22:27:34.536 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:27:34.536 INFO [stderr]    |
Dec 11 22:27:34.536 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:27:34.536 INFO [stderr] 
Dec 11 22:27:34.536 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:27:34.536 INFO [stderr]   --> src/main.rs:88:5
Dec 11 22:27:34.536 INFO [stderr]    |
Dec 11 22:27:34.536 INFO [stderr] 88 |                 file.write(&buffer[..s]);
Dec 11 22:27:34.536 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:27:34.536 INFO [stderr]    |
Dec 11 22:27:34.536 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:27:34.536 INFO [stderr] 
Dec 11 22:27:34.573 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 11 22:27:34.583 INFO [stderr] su: No module specific data is present
Dec 11 22:27:34.968 INFO running `"docker" "inspect" "226586546cc7f0b2e5a34e060b545d9e3de9d067c17d401845565adf097bb091"`
Dec 11 22:27:35.262 INFO running `"docker" "rm" "-f" "226586546cc7f0b2e5a34e060b545d9e3de9d067c17d401845565adf097bb091"`
Dec 11 22:27:35.490 INFO [stdout] 226586546cc7f0b2e5a34e060b545d9e3de9d067c17d401845565adf097bb091