Dec 14 12:29:10.816 INFO testing AlexKhomich/skype_audio_fix against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 12:29:10.816 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 12:29:11.419 INFO [stdout] 58489e5a03cb85431da2bdcab159b31f230d67dc7d27eb4fe03998c157cae6e6
Dec 14 12:29:11.424 INFO running `"docker" "start" "-a" "58489e5a03cb85431da2bdcab159b31f230d67dc7d27eb4fe03998c157cae6e6"`
Dec 14 12:29:12.141 INFO [stderr] usermod: no changes
Dec 14 12:29:12.185 INFO [stderr]    Compiling skype_audio_fix v0.1.0 (/source)
Dec 14 12:29:12.635 INFO [stderr] warning: unused variable: `filename_test`
Dec 14 12:29:12.635 INFO [stderr]  --> src/main.rs:9:9
Dec 14 12:29:12.635 INFO [stderr]   |
Dec 14 12:29:12.635 INFO [stderr] 9 |     let filename_test = "/mnt/dev/test.txt";
Dec 14 12:29:12.635 INFO [stderr]   |         ^^^^^^^^^^^^^ help: consider using `_filename_test` instead
Dec 14 12:29:12.635 INFO [stderr]   |
Dec 14 12:29:12.635 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 12:29:12.635 INFO [stderr] 
Dec 14 12:29:12.635 INFO [stderr] warning: value assigned to `buffer` is never read
Dec 14 12:29:12.635 INFO [stderr]   --> src/main.rs:23:21
Dec 14 12:29:12.635 INFO [stderr]    |
Dec 14 12:29:12.635 INFO [stderr] 23 |             let mut buffer: String = String::new();
Dec 14 12:29:12.635 INFO [stderr]    |                     ^^^^^^
Dec 14 12:29:12.635 INFO [stderr]    |
Dec 14 12:29:12.635 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 12:29:12.635 INFO [stderr] 
Dec 14 12:29:12.639 INFO [stderr] warning: variable does not need to be mutable
Dec 14 12:29:12.639 INFO [stderr]   --> src/main.rs:20:13
Dec 14 12:29:12.639 INFO [stderr]    |
Dec 14 12:29:12.639 INFO [stderr] 20 |         let mut reader = BufReader::new(file_source);
Dec 14 12:29:12.639 INFO [stderr]    |             ----^^^^^^
Dec 14 12:29:12.639 INFO [stderr]    |             |
Dec 14 12:29:12.639 INFO [stderr]    |             help: remove this `mut`
Dec 14 12:29:12.639 INFO [stderr]    |
Dec 14 12:29:12.639 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 12:29:12.639 INFO [stderr] 
Dec 14 12:29:12.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:29:12.647 INFO [stderr]   --> src/main.rs:39:17
Dec 14 12:29:12.647 INFO [stderr]    |
Dec 14 12:29:12.647 INFO [stderr] 39 |                 writer.write(replaced.as_bytes());
Dec 14 12:29:12.647 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:29:12.647 INFO [stderr]    |
Dec 14 12:29:12.647 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:29:12.647 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:29:12.647 INFO [stderr] 
Dec 14 12:29:12.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:29:12.647 INFO [stderr]   --> src/main.rs:40:17
Dec 14 12:29:12.647 INFO [stderr]    |
Dec 14 12:29:12.647 INFO [stderr] 40 |                 writer.write(new_line.as_bytes());
Dec 14 12:29:12.647 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:29:12.647 INFO [stderr]    |
Dec 14 12:29:12.647 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:29:12.647 INFO [stderr] 
Dec 14 12:29:12.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:29:12.647 INFO [stderr]   --> src/main.rs:43:17
Dec 14 12:29:12.647 INFO [stderr]    |
Dec 14 12:29:12.647 INFO [stderr] 43 |                 writer.write(item.as_bytes());
Dec 14 12:29:12.647 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:29:12.647 INFO [stderr]    |
Dec 14 12:29:12.647 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:29:12.647 INFO [stderr] 
Dec 14 12:29:12.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:29:12.647 INFO [stderr]   --> src/main.rs:44:17
Dec 14 12:29:12.647 INFO [stderr]    |
Dec 14 12:29:12.647 INFO [stderr] 44 |                 writer.write(new_line.as_bytes());
Dec 14 12:29:12.647 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:29:12.647 INFO [stderr]    |
Dec 14 12:29:12.647 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:29:12.647 INFO [stderr] 
Dec 14 12:29:13.099 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 14 12:29:13.099 INFO [stderr] su: No module specific data is present
Dec 14 12:29:13.504 INFO running `"docker" "inspect" "58489e5a03cb85431da2bdcab159b31f230d67dc7d27eb4fe03998c157cae6e6"`
Dec 14 12:29:13.716 INFO running `"docker" "rm" "-f" "58489e5a03cb85431da2bdcab159b31f230d67dc7d27eb4fe03998c157cae6e6"`
Dec 14 12:29:13.885 INFO [stdout] 58489e5a03cb85431da2bdcab159b31f230d67dc7d27eb4fe03998c157cae6e6
Dec 14 12:29:13.889 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 12:29:14.387 INFO [stdout] d1c947c07aa153825af0f82853f54d250b453b62ebe4f231a5770f717dca54bf
Dec 14 12:29:14.392 INFO running `"docker" "start" "-a" "d1c947c07aa153825af0f82853f54d250b453b62ebe4f231a5770f717dca54bf"`
Dec 14 12:29:15.290 INFO [stderr] usermod: no changes
Dec 14 12:29:15.339 INFO [stderr]    Compiling skype_audio_fix v0.1.0 (/source)
Dec 14 12:29:15.923 INFO [stderr] warning: unused variable: `filename_test`
Dec 14 12:29:15.923 INFO [stderr]  --> src/main.rs:9:9
Dec 14 12:29:15.923 INFO [stderr]   |
Dec 14 12:29:15.923 INFO [stderr] 9 |     let filename_test = "/mnt/dev/test.txt";
Dec 14 12:29:15.923 INFO [stderr]   |         ^^^^^^^^^^^^^ help: consider using `_filename_test` instead
Dec 14 12:29:15.923 INFO [stderr]   |
Dec 14 12:29:15.923 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 12:29:15.923 INFO [stderr] 
Dec 14 12:29:15.923 INFO [stderr] warning: value assigned to `buffer` is never read
Dec 14 12:29:15.923 INFO [stderr]   --> src/main.rs:23:21
Dec 14 12:29:15.923 INFO [stderr]    |
Dec 14 12:29:15.923 INFO [stderr] 23 |             let mut buffer: String = String::new();
Dec 14 12:29:15.923 INFO [stderr]    |                     ^^^^^^
Dec 14 12:29:15.923 INFO [stderr]    |
Dec 14 12:29:15.923 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 12:29:15.923 INFO [stderr] 
Dec 14 12:29:15.923 INFO [stderr] warning: variable does not need to be mutable
Dec 14 12:29:15.923 INFO [stderr]   --> src/main.rs:20:13
Dec 14 12:29:15.923 INFO [stderr]    |
Dec 14 12:29:15.923 INFO [stderr] 20 |         let mut reader = BufReader::new(file_source);
Dec 14 12:29:15.923 INFO [stderr]    |             ----^^^^^^
Dec 14 12:29:15.923 INFO [stderr]    |             |
Dec 14 12:29:15.923 INFO [stderr]    |             help: remove this `mut`
Dec 14 12:29:15.923 INFO [stderr]    |
Dec 14 12:29:15.923 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 12:29:15.923 INFO [stderr] 
Dec 14 12:29:15.935 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:29:15.935 INFO [stderr]   --> src/main.rs:39:17
Dec 14 12:29:15.935 INFO [stderr]    |
Dec 14 12:29:15.935 INFO [stderr] 39 |                 writer.write(replaced.as_bytes());
Dec 14 12:29:15.935 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:29:15.935 INFO [stderr]    |
Dec 14 12:29:15.935 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:29:15.935 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:29:15.935 INFO [stderr] 
Dec 14 12:29:15.935 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:29:15.935 INFO [stderr]   --> src/main.rs:40:17
Dec 14 12:29:15.935 INFO [stderr]    |
Dec 14 12:29:15.935 INFO [stderr] 40 |                 writer.write(new_line.as_bytes());
Dec 14 12:29:15.935 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:29:15.935 INFO [stderr]    |
Dec 14 12:29:15.935 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:29:15.935 INFO [stderr] 
Dec 14 12:29:15.935 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:29:15.935 INFO [stderr]   --> src/main.rs:43:17
Dec 14 12:29:15.935 INFO [stderr]    |
Dec 14 12:29:15.935 INFO [stderr] 43 |                 writer.write(item.as_bytes());
Dec 14 12:29:15.935 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:29:15.935 INFO [stderr]    |
Dec 14 12:29:15.935 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:29:15.935 INFO [stderr] 
Dec 14 12:29:15.935 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:29:15.935 INFO [stderr]   --> src/main.rs:44:17
Dec 14 12:29:15.935 INFO [stderr]    |
Dec 14 12:29:15.935 INFO [stderr] 44 |                 writer.write(new_line.as_bytes());
Dec 14 12:29:15.935 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:29:15.935 INFO [stderr]    |
Dec 14 12:29:15.935 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:29:15.935 INFO [stderr] 
Dec 14 12:29:16.216 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 14 12:29:16.216 INFO [stderr] su: No module specific data is present
Dec 14 12:29:16.555 INFO running `"docker" "inspect" "d1c947c07aa153825af0f82853f54d250b453b62ebe4f231a5770f717dca54bf"`
Dec 14 12:29:16.729 INFO running `"docker" "rm" "-f" "d1c947c07aa153825af0f82853f54d250b453b62ebe4f231a5770f717dca54bf"`
Dec 14 12:29:16.894 INFO [stdout] d1c947c07aa153825af0f82853f54d250b453b62ebe4f231a5770f717dca54bf
Dec 14 12:29:16.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 12:29:17.238 INFO [stdout] f63074d2ab1e16d3222ef506fdcefa4989c3d8cd793b7468939c832cb63d9a47
Dec 14 12:29:17.241 INFO running `"docker" "start" "-a" "f63074d2ab1e16d3222ef506fdcefa4989c3d8cd793b7468939c832cb63d9a47"`
Dec 14 12:29:17.992 INFO [stderr] usermod: no changes
Dec 14 12:29:18.039 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 12:29:18.043 INFO [stdout] 
Dec 14 12:29:18.043 INFO [stdout] running 0 tests
Dec 14 12:29:18.043 INFO [stdout] 
Dec 14 12:29:18.043 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:29:18.043 INFO [stdout] 
Dec 14 12:29:18.043 INFO [stderr]      Running /target/debug/deps/skype_audio_fix-8de369a20d33eec9
Dec 14 12:29:18.043 INFO [stderr] su: No module specific data is present
Dec 14 12:29:18.644 INFO running `"docker" "inspect" "f63074d2ab1e16d3222ef506fdcefa4989c3d8cd793b7468939c832cb63d9a47"`
Dec 14 12:29:18.761 INFO running `"docker" "rm" "-f" "f63074d2ab1e16d3222ef506fdcefa4989c3d8cd793b7468939c832cb63d9a47"`
Dec 14 12:29:18.987 INFO [stdout] f63074d2ab1e16d3222ef506fdcefa4989c3d8cd793b7468939c832cb63d9a47