Dec 19 21:39:33.453 INFO checking TheSatoshiChiba/Reverse-Word-Pairs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:39:33.453 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/TheSatoshiChiba/Reverse-Word-Pairs:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:39:34.022 INFO [stdout] 3dc60a714092a0706e4893b962441eff6a7f828e5591fd103297643a653223fd
Dec 19 21:39:34.025 INFO running `"docker" "start" "-a" "3dc60a714092a0706e4893b962441eff6a7f828e5591fd103297643a653223fd"`
Dec 19 21:39:35.730 INFO [stderr]     Checking rust_attempts v0.1.0 (/opt/crater/workdir/rust_attempts)
Dec 19 21:39:36.072 INFO [stderr]     Checking reverse_word_pairs v0.1.0 (/opt/crater/workdir)
Dec 19 21:39:36.502 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:39:36.502 INFO [stderr]  --> src/main.rs:6:5
Dec 19 21:39:36.502 INFO [stderr]   |
Dec 19 21:39:36.502 INFO [stderr] 6 |     run( "hash_map_1", 100, "data/TheReverseWordTest.txt", &rust_attempts::attempt1::run );
Dec 19 21:39:36.502 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:36.512 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:39:36.512 INFO [stderr]  --> src/main.rs:6:5
Dec 19 21:39:36.512 INFO [stderr]   |
Dec 19 21:39:36.512 INFO [stderr] 6 |     run( "hash_map_1", 100, "data/TheReverseWordTest.txt", &rust_attempts::attempt1::run );
Dec 19 21:39:36.512 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:36.512 INFO [stderr]   |
Dec 19 21:39:36.512 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 21:39:36.512 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:39:36.512 INFO [stderr] 
Dec 19 21:39:36.512 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:39:36.512 INFO [stderr]  --> src/main.rs:7:5
Dec 19 21:39:36.512 INFO [stderr]   |
Dec 19 21:39:36.512 INFO [stderr] 7 |     run( "hash_map_2", 100, "data/TheReverseWordTest.txt", &rust_attempts::attempt2::run );
Dec 19 21:39:36.512 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:36.512 INFO [stderr]   |
Dec 19 21:39:36.512 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:39:36.512 INFO [stderr] 
Dec 19 21:39:36.512 INFO [stderr]   |
Dec 19 21:39:36.513 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 21:39:36.513 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:39:36.513 INFO [stderr] 
Dec 19 21:39:36.513 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:39:36.513 INFO [stderr]  --> src/main.rs:7:5
Dec 19 21:39:36.513 INFO [stderr]   |
Dec 19 21:39:36.513 INFO [stderr] 7 |     run( "hash_map_2", 100, "data/TheReverseWordTest.txt", &rust_attempts::attempt2::run );
Dec 19 21:39:36.513 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:36.513 INFO [stderr]   |
Dec 19 21:39:36.513 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:39:36.513 INFO [stderr] 
Dec 19 21:39:36.577 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 19 21:39:37.761 INFO running `"docker" "inspect" "3dc60a714092a0706e4893b962441eff6a7f828e5591fd103297643a653223fd"`
Dec 19 21:39:38.024 INFO running `"docker" "rm" "-f" "3dc60a714092a0706e4893b962441eff6a7f828e5591fd103297643a653223fd"`
Dec 19 21:39:38.367 INFO [stdout] 3dc60a714092a0706e4893b962441eff6a7f828e5591fd103297643a653223fd