Dec 04 22:27:51.272 INFO checking arcalinea/rcat against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:27:51.272 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 22:27:51.697 INFO [stdout] 6adc5393f7b80e242811ec810f2d1b113a4256c77be30edb78994c9d4962de9c
Dec 04 22:27:51.701 INFO running `"docker" "start" "-a" "6adc5393f7b80e242811ec810f2d1b113a4256c77be30edb78994c9d4962de9c"`
Dec 04 22:27:52.701 INFO [stderr] usermod: no changes
Dec 04 22:27:52.748 INFO [stderr]     Checking rcat v0.1.0 (/source)
Dec 04 22:27:53.311 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:27:53.311 INFO [stderr]   --> src/main.rs:56:4
Dec 04 22:27:53.311 INFO [stderr]    |
Dec 04 22:27:53.311 INFO [stderr] 56 |             io::stdin().read_line(&mut input);
Dec 04 22:27:53.311 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:27:53.311 INFO [stderr]    |
Dec 04 22:27:53.311 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:27:53.311 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:27:53.311 INFO [stderr] 
Dec 04 22:27:53.311 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:27:53.311 INFO [stderr]   --> src/main.rs:58:4
Dec 04 22:27:53.311 INFO [stderr]    |
Dec 04 22:27:53.311 INFO [stderr] 58 |             stream.write(input.as_bytes());
Dec 04 22:27:53.311 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:27:53.311 INFO [stderr]    |
Dec 04 22:27:53.311 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:27:53.311 INFO [stderr] 
Dec 04 22:27:53.311 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:27:53.311 INFO [stderr]   --> src/main.rs:88:5
Dec 04 22:27:53.311 INFO [stderr]    |
Dec 04 22:27:53.311 INFO [stderr] 88 |                 file.write(&buffer[..s]);
Dec 04 22:27:53.311 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:27:53.311 INFO [stderr]    |
Dec 04 22:27:53.311 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:27:53.311 INFO [stderr] 
Dec 04 22:27:53.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:27:53.519 INFO [stderr]   --> src/main.rs:56:4
Dec 04 22:27:53.519 INFO [stderr]    |
Dec 04 22:27:53.519 INFO [stderr] 56 |             io::stdin().read_line(&mut input);
Dec 04 22:27:53.519 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:27:53.519 INFO [stderr]    |
Dec 04 22:27:53.519 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:27:53.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:27:53.519 INFO [stderr] 
Dec 04 22:27:53.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:27:53.519 INFO [stderr]   --> src/main.rs:58:4
Dec 04 22:27:53.519 INFO [stderr]    |
Dec 04 22:27:53.519 INFO [stderr] 58 |             stream.write(input.as_bytes());
Dec 04 22:27:53.519 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:27:53.519 INFO [stderr]    |
Dec 04 22:27:53.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:27:53.519 INFO [stderr] 
Dec 04 22:27:53.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:27:53.519 INFO [stderr]   --> src/main.rs:88:5
Dec 04 22:27:53.519 INFO [stderr]    |
Dec 04 22:27:53.519 INFO [stderr] 88 |                 file.write(&buffer[..s]);
Dec 04 22:27:53.519 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:27:53.519 INFO [stderr]    |
Dec 04 22:27:53.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:27:53.519 INFO [stderr] 
Dec 04 22:27:53.540 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 04 22:27:53.547 INFO [stderr] su: No module specific data is present
Dec 04 22:27:54.215 INFO running `"docker" "inspect" "6adc5393f7b80e242811ec810f2d1b113a4256c77be30edb78994c9d4962de9c"`
Dec 04 22:27:54.475 INFO running `"docker" "rm" "-f" "6adc5393f7b80e242811ec810f2d1b113a4256c77be30edb78994c9d4962de9c"`
Dec 04 22:27:54.731 INFO [stdout] 6adc5393f7b80e242811ec810f2d1b113a4256c77be30edb78994c9d4962de9c