Dec 04 23:48:58.102 INFO checking TheSatoshiChiba/Reverse-Word-Pairs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:48:58.102 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 23:48:58.567 INFO [stdout] 58a3c04f234df1d42f80a773c9a75d25b70227b6cc47cff56118f3fed2cd2deb
Dec 04 23:48:58.569 INFO running `"docker" "start" "-a" "58a3c04f234df1d42f80a773c9a75d25b70227b6cc47cff56118f3fed2cd2deb"`
Dec 04 23:49:00.114 INFO [stderr] usermod: no changes
Dec 04 23:49:00.157 INFO [stderr]     Checking rust_attempts v0.1.0 (/source/rust_attempts)
Dec 04 23:49:00.766 INFO [stderr]     Checking reverse_word_pairs v0.1.0 (/source)
Dec 04 23:49:01.219 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:49:01.219 INFO [stderr]  --> src/main.rs:6:5
Dec 04 23:49:01.219 INFO [stderr]   |
Dec 04 23:49:01.219 INFO [stderr] 6 |     run( "hash_map_1", 100, "data/TheReverseWordTest.txt", &rust_attempts::attempt1::run );
Dec 04 23:49:01.219 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:49:01.219 INFO [stderr]   |
Dec 04 23:49:01.219 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 23:49:01.219 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:49:01.219 INFO [stderr] 
Dec 04 23:49:01.219 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:49:01.219 INFO [stderr]  --> src/main.rs:7:5
Dec 04 23:49:01.219 INFO [stderr]   |
Dec 04 23:49:01.219 INFO [stderr] 7 |     run( "hash_map_2", 100, "data/TheReverseWordTest.txt", &rust_attempts::attempt2::run );
Dec 04 23:49:01.219 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:49:01.219 INFO [stderr]   |
Dec 04 23:49:01.219 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:49:01.219 INFO [stderr] 
Dec 04 23:49:01.347 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:49:01.347 INFO [stderr]  --> src/main.rs:6:5
Dec 04 23:49:01.347 INFO [stderr]   |
Dec 04 23:49:01.347 INFO [stderr] 6 |     run( "hash_map_1", 100, "data/TheReverseWordTest.txt", &rust_attempts::attempt1::run );
Dec 04 23:49:01.347 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:49:01.347 INFO [stderr]   |
Dec 04 23:49:01.347 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 23:49:01.347 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:49:01.347 INFO [stderr] 
Dec 04 23:49:01.347 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:49:01.347 INFO [stderr]  --> src/main.rs:7:5
Dec 04 23:49:01.347 INFO [stderr]   |
Dec 04 23:49:01.347 INFO [stderr] 7 |     run( "hash_map_2", 100, "data/TheReverseWordTest.txt", &rust_attempts::attempt2::run );
Dec 04 23:49:01.347 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:49:01.347 INFO [stderr]   |
Dec 04 23:49:01.347 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:49:01.347 INFO [stderr] 
Dec 04 23:49:01.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 04 23:49:01.385 INFO [stderr] su: No module specific data is present
Dec 04 23:49:02.368 INFO running `"docker" "inspect" "58a3c04f234df1d42f80a773c9a75d25b70227b6cc47cff56118f3fed2cd2deb"`
Dec 04 23:49:02.693 INFO running `"docker" "rm" "-f" "58a3c04f234df1d42f80a773c9a75d25b70227b6cc47cff56118f3fed2cd2deb"`
Dec 04 23:49:03.067 INFO [stdout] 58a3c04f234df1d42f80a773c9a75d25b70227b6cc47cff56118f3fed2cd2deb