Dec 14 12:03:19.332 INFO testing Axect/Music_Tournament against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 12:03:19.332 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 12:03:19.788 INFO [stdout] d175d78fa17ee8e15071a0a6edcac65c2c78fd562a5644cd4522e913555109b7
Dec 14 12:03:19.790 INFO running `"docker" "start" "-a" "d175d78fa17ee8e15071a0a6edcac65c2c78fd562a5644cd4522e913555109b7"`
Dec 14 12:03:21.212 INFO [stderr] usermod: no changes
Dec 14 12:03:21.307 INFO [stderr]    Compiling Music_Tournament v0.1.0 (/source)
Dec 14 12:03:22.023 INFO [stderr] warning: unused import: `std::env`
Dec 14 12:03:22.023 INFO [stderr]  --> src/main.rs:3:5
Dec 14 12:03:22.023 INFO [stderr]   |
Dec 14 12:03:22.023 INFO [stderr] 3 | use std::env;
Dec 14 12:03:22.023 INFO [stderr]   |     ^^^^^^^^
Dec 14 12:03:22.023 INFO [stderr]   |
Dec 14 12:03:22.023 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 12:03:22.023 INFO [stderr] 
Dec 14 12:03:22.023 INFO [stderr] warning: unused import: `DirEntry`
Dec 14 12:03:22.023 INFO [stderr]  --> src/main.rs:7:21
Dec 14 12:03:22.023 INFO [stderr]   |
Dec 14 12:03:22.023 INFO [stderr] 7 | use std::fs::{self, DirEntry, File};
Dec 14 12:03:22.023 INFO [stderr]   |                     ^^^^^^^^
Dec 14 12:03:22.023 INFO [stderr] 
Dec 14 12:03:22.147 INFO [stderr] warning: crate `Music_Tournament` should have a snake case name such as `music_tournament`
Dec 14 12:03:22.147 INFO [stderr]   |
Dec 14 12:03:22.147 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 14 12:03:22.147 INFO [stderr] 
Dec 14 12:03:22.147 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:03:22.147 INFO [stderr]   --> src/main.rs:33:9
Dec 14 12:03:22.147 INFO [stderr]    |
Dec 14 12:03:22.147 INFO [stderr] 33 |         write_mp3_list("save_0.txt", &result);
Dec 14 12:03:22.147 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:03:22.147 INFO [stderr]    |
Dec 14 12:03:22.147 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:03:22.147 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:03:22.147 INFO [stderr] 
Dec 14 12:03:22.147 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:03:22.147 INFO [stderr]   --> src/main.rs:99:13
Dec 14 12:03:22.147 INFO [stderr]    |
Dec 14 12:03:22.147 INFO [stderr] 99 |             write_mp3_list("temp_1.txt", &result2);
Dec 14 12:03:22.147 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:03:22.147 INFO [stderr]    |
Dec 14 12:03:22.148 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:03:22.148 INFO [stderr] 
Dec 14 12:03:22.148 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:03:22.148 INFO [stderr]    --> src/main.rs:101:13
Dec 14 12:03:22.148 INFO [stderr]     |
Dec 14 12:03:22.148 INFO [stderr] 101 |             write_mp3_list("log.txt", &vec![temp_write]);
Dec 14 12:03:22.148 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:03:22.148 INFO [stderr]     |
Dec 14 12:03:22.148 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:03:22.148 INFO [stderr] 
Dec 14 12:03:22.148 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:03:22.148 INFO [stderr]    --> src/main.rs:110:5
Dec 14 12:03:22.148 INFO [stderr]     |
Dec 14 12:03:22.148 INFO [stderr] 110 |     write_mp3_list("save_1.txt", &result2);
Dec 14 12:03:22.148 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:03:22.148 INFO [stderr]     |
Dec 14 12:03:22.148 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:03:22.148 INFO [stderr] 
Dec 14 12:03:23.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Dec 14 12:03:23.107 INFO [stderr] su: No module specific data is present
Dec 14 12:03:23.883 INFO running `"docker" "inspect" "d175d78fa17ee8e15071a0a6edcac65c2c78fd562a5644cd4522e913555109b7"`
Dec 14 12:03:24.176 INFO running `"docker" "rm" "-f" "d175d78fa17ee8e15071a0a6edcac65c2c78fd562a5644cd4522e913555109b7"`
Dec 14 12:03:24.455 INFO [stdout] d175d78fa17ee8e15071a0a6edcac65c2c78fd562a5644cd4522e913555109b7
Dec 14 12:03:24.457 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 12:03:25.037 INFO [stdout] 48ac51fbe00648e908a5d169cbbc088a081d8f19ece3d2de9aac42231f293ca1
Dec 14 12:03:25.038 INFO running `"docker" "start" "-a" "48ac51fbe00648e908a5d169cbbc088a081d8f19ece3d2de9aac42231f293ca1"`
Dec 14 12:03:26.092 INFO [stderr] usermod: no changes
Dec 14 12:03:26.138 INFO [stderr]    Compiling Music_Tournament v0.1.0 (/source)
Dec 14 12:03:26.658 INFO [stderr] warning: unused import: `std::env`
Dec 14 12:03:26.658 INFO [stderr]  --> src/main.rs:3:5
Dec 14 12:03:26.658 INFO [stderr]   |
Dec 14 12:03:26.658 INFO [stderr] 3 | use std::env;
Dec 14 12:03:26.658 INFO [stderr]   |     ^^^^^^^^
Dec 14 12:03:26.658 INFO [stderr]   |
Dec 14 12:03:26.658 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 12:03:26.658 INFO [stderr] 
Dec 14 12:03:26.658 INFO [stderr] warning: unused import: `DirEntry`
Dec 14 12:03:26.658 INFO [stderr]  --> src/main.rs:7:21
Dec 14 12:03:26.658 INFO [stderr]   |
Dec 14 12:03:26.658 INFO [stderr] 7 | use std::fs::{self, DirEntry, File};
Dec 14 12:03:26.658 INFO [stderr]   |                     ^^^^^^^^
Dec 14 12:03:26.658 INFO [stderr] 
Dec 14 12:03:26.753 INFO [stderr] warning: crate `Music_Tournament` should have a snake case name such as `music_tournament`
Dec 14 12:03:26.753 INFO [stderr]   |
Dec 14 12:03:26.753 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 14 12:03:26.753 INFO [stderr] 
Dec 14 12:03:26.754 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:03:26.754 INFO [stderr]   --> src/main.rs:33:9
Dec 14 12:03:26.754 INFO [stderr]    |
Dec 14 12:03:26.754 INFO [stderr] 33 |         write_mp3_list("save_0.txt", &result);
Dec 14 12:03:26.754 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:03:26.754 INFO [stderr]    |
Dec 14 12:03:26.754 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:03:26.754 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:03:26.754 INFO [stderr] 
Dec 14 12:03:26.754 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:03:26.754 INFO [stderr]   --> src/main.rs:99:13
Dec 14 12:03:26.754 INFO [stderr]    |
Dec 14 12:03:26.754 INFO [stderr] 99 |             write_mp3_list("temp_1.txt", &result2);
Dec 14 12:03:26.754 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:03:26.754 INFO [stderr]    |
Dec 14 12:03:26.754 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:03:26.754 INFO [stderr] 
Dec 14 12:03:26.754 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:03:26.754 INFO [stderr]    --> src/main.rs:101:13
Dec 14 12:03:26.754 INFO [stderr]     |
Dec 14 12:03:26.754 INFO [stderr] 101 |             write_mp3_list("log.txt", &vec![temp_write]);
Dec 14 12:03:26.754 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:03:26.755 INFO [stderr]     |
Dec 14 12:03:26.755 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:03:26.755 INFO [stderr] 
Dec 14 12:03:26.755 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:03:26.755 INFO [stderr]    --> src/main.rs:110:5
Dec 14 12:03:26.755 INFO [stderr]     |
Dec 14 12:03:26.755 INFO [stderr] 110 |     write_mp3_list("save_1.txt", &result2);
Dec 14 12:03:26.755 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:03:26.755 INFO [stderr]     |
Dec 14 12:03:26.755 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:03:26.755 INFO [stderr] 
Dec 14 12:03:26.975 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 14 12:03:26.978 INFO [stderr] su: No module specific data is present
Dec 14 12:03:27.342 INFO running `"docker" "inspect" "48ac51fbe00648e908a5d169cbbc088a081d8f19ece3d2de9aac42231f293ca1"`
Dec 14 12:03:27.591 INFO running `"docker" "rm" "-f" "48ac51fbe00648e908a5d169cbbc088a081d8f19ece3d2de9aac42231f293ca1"`
Dec 14 12:03:27.865 INFO [stdout] 48ac51fbe00648e908a5d169cbbc088a081d8f19ece3d2de9aac42231f293ca1
Dec 14 12:03:27.868 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 12:03:28.487 INFO [stdout] 523b675b3ed6fc4c0ac99de745fd8da8395aab9a0d0e2655098b1498bb0154a3
Dec 14 12:03:28.492 INFO running `"docker" "start" "-a" "523b675b3ed6fc4c0ac99de745fd8da8395aab9a0d0e2655098b1498bb0154a3"`
Dec 14 12:03:29.643 INFO [stderr] usermod: no changes
Dec 14 12:03:29.736 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 14 12:03:29.739 INFO [stderr]      Running /target/debug/deps/Music_Tournament-cde4eeff68d9b281
Dec 14 12:03:29.739 INFO [stdout] 
Dec 14 12:03:29.739 INFO [stdout] running 0 tests
Dec 14 12:03:29.739 INFO [stdout] 
Dec 14 12:03:29.739 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:03:29.739 INFO [stdout] 
Dec 14 12:03:29.750 INFO [stderr] su: No module specific data is present
Dec 14 12:03:30.840 INFO running `"docker" "inspect" "523b675b3ed6fc4c0ac99de745fd8da8395aab9a0d0e2655098b1498bb0154a3"`
Dec 14 12:03:31.021 INFO running `"docker" "rm" "-f" "523b675b3ed6fc4c0ac99de745fd8da8395aab9a0d0e2655098b1498bb0154a3"`
Dec 14 12:03:31.254 INFO [stdout] 523b675b3ed6fc4c0ac99de745fd8da8395aab9a0d0e2655098b1498bb0154a3