Dec 05 03:35:59.182 INFO checking AlexKhomich/skype_audio_fix against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:35:59.182 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 05 03:35:59.685 INFO [stdout] e775146e1a772e8c2df31401935e1eab0b8e48f8da945717f760f529fd4a989c
Dec 05 03:35:59.691 INFO running `"docker" "start" "-a" "e775146e1a772e8c2df31401935e1eab0b8e48f8da945717f760f529fd4a989c"`
Dec 05 03:36:01.012 INFO [stderr] usermod: no changes
Dec 05 03:36:01.081 INFO [stderr]     Checking skype_audio_fix v0.1.0 (/source)
Dec 05 03:36:01.729 INFO [stderr] warning: unused variable: `filename_test`
Dec 05 03:36:01.729 INFO [stderr]  --> src/main.rs:9:9
Dec 05 03:36:01.729 INFO [stderr]   |
Dec 05 03:36:01.729 INFO [stderr] 9 |     let filename_test = "/mnt/dev/test.txt";
Dec 05 03:36:01.729 INFO [stderr]   |         ^^^^^^^^^^^^^ help: consider using `_filename_test` instead
Dec 05 03:36:01.729 INFO [stderr]   |
Dec 05 03:36:01.729 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 03:36:01.729 INFO [stderr] 
Dec 05 03:36:01.729 INFO [stderr] warning: value assigned to `buffer` is never read
Dec 05 03:36:01.729 INFO [stderr]   --> src/main.rs:23:21
Dec 05 03:36:01.729 INFO [stderr]    |
Dec 05 03:36:01.729 INFO [stderr] 23 |             let mut buffer: String = String::new();
Dec 05 03:36:01.729 INFO [stderr]    |                     ^^^^^^
Dec 05 03:36:01.729 INFO [stderr]    |
Dec 05 03:36:01.729 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 05 03:36:01.729 INFO [stderr] 
Dec 05 03:36:01.729 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:36:01.729 INFO [stderr]   --> src/main.rs:20:13
Dec 05 03:36:01.729 INFO [stderr]    |
Dec 05 03:36:01.729 INFO [stderr] 20 |         let mut reader = BufReader::new(file_source);
Dec 05 03:36:01.729 INFO [stderr]    |             ----^^^^^^
Dec 05 03:36:01.730 INFO [stderr]    |             |
Dec 05 03:36:01.730 INFO [stderr]    |             help: remove this `mut`
Dec 05 03:36:01.730 INFO [stderr]    |
Dec 05 03:36:01.730 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 03:36:01.730 INFO [stderr] 
Dec 05 03:36:01.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:36:01.739 INFO [stderr]   --> src/main.rs:39:17
Dec 05 03:36:01.739 INFO [stderr]    |
Dec 05 03:36:01.739 INFO [stderr] 39 |                 writer.write(replaced.as_bytes());
Dec 05 03:36:01.739 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:36:01.739 INFO [stderr]    |
Dec 05 03:36:01.739 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:36:01.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:36:01.739 INFO [stderr] 
Dec 05 03:36:01.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:36:01.739 INFO [stderr]   --> src/main.rs:40:17
Dec 05 03:36:01.739 INFO [stderr]    |
Dec 05 03:36:01.739 INFO [stderr] 40 |                 writer.write(new_line.as_bytes());
Dec 05 03:36:01.739 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:36:01.739 INFO [stderr]    |
Dec 05 03:36:01.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:36:01.739 INFO [stderr] 
Dec 05 03:36:01.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:36:01.739 INFO [stderr]   --> src/main.rs:43:17
Dec 05 03:36:01.739 INFO [stderr]    |
Dec 05 03:36:01.739 INFO [stderr] 43 |                 writer.write(item.as_bytes());
Dec 05 03:36:01.739 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:36:01.739 INFO [stderr]    |
Dec 05 03:36:01.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:36:01.739 INFO [stderr] 
Dec 05 03:36:01.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:36:01.739 INFO [stderr]   --> src/main.rs:44:17
Dec 05 03:36:01.739 INFO [stderr]    |
Dec 05 03:36:01.739 INFO [stderr] 44 |                 writer.write(new_line.as_bytes());
Dec 05 03:36:01.739 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:36:01.739 INFO [stderr]    |
Dec 05 03:36:01.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:36:01.739 INFO [stderr] 
Dec 05 03:36:02.007 INFO [stderr] warning: unused variable: `filename_test`
Dec 05 03:36:02.007 INFO [stderr]  --> src/main.rs:9:9
Dec 05 03:36:02.007 INFO [stderr]   |
Dec 05 03:36:02.007 INFO [stderr] 9 |     let filename_test = "/mnt/dev/test.txt";
Dec 05 03:36:02.007 INFO [stderr]   |         ^^^^^^^^^^^^^ help: consider using `_filename_test` instead
Dec 05 03:36:02.007 INFO [stderr]   |
Dec 05 03:36:02.007 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 03:36:02.007 INFO [stderr] 
Dec 05 03:36:02.007 INFO [stderr] warning: value assigned to `buffer` is never read
Dec 05 03:36:02.007 INFO [stderr]   --> src/main.rs:23:21
Dec 05 03:36:02.007 INFO [stderr]    |
Dec 05 03:36:02.007 INFO [stderr] 23 |             let mut buffer: String = String::new();
Dec 05 03:36:02.007 INFO [stderr]    |                     ^^^^^^
Dec 05 03:36:02.007 INFO [stderr]    |
Dec 05 03:36:02.007 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 05 03:36:02.007 INFO [stderr] 
Dec 05 03:36:02.011 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:36:02.011 INFO [stderr]   --> src/main.rs:20:13
Dec 05 03:36:02.011 INFO [stderr]    |
Dec 05 03:36:02.011 INFO [stderr] 20 |         let mut reader = BufReader::new(file_source);
Dec 05 03:36:02.011 INFO [stderr]    |             ----^^^^^^
Dec 05 03:36:02.011 INFO [stderr]    |             |
Dec 05 03:36:02.011 INFO [stderr]    |             help: remove this `mut`
Dec 05 03:36:02.011 INFO [stderr]    |
Dec 05 03:36:02.011 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 03:36:02.011 INFO [stderr] 
Dec 05 03:36:02.019 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:36:02.020 INFO [stderr]   --> src/main.rs:39:17
Dec 05 03:36:02.020 INFO [stderr]    |
Dec 05 03:36:02.020 INFO [stderr] 39 |                 writer.write(replaced.as_bytes());
Dec 05 03:36:02.020 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:36:02.020 INFO [stderr]    |
Dec 05 03:36:02.020 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:36:02.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:36:02.020 INFO [stderr] 
Dec 05 03:36:02.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:36:02.020 INFO [stderr]   --> src/main.rs:40:17
Dec 05 03:36:02.020 INFO [stderr]    |
Dec 05 03:36:02.020 INFO [stderr] 40 |                 writer.write(new_line.as_bytes());
Dec 05 03:36:02.020 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:36:02.020 INFO [stderr]    |
Dec 05 03:36:02.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:36:02.020 INFO [stderr] 
Dec 05 03:36:02.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:36:02.020 INFO [stderr]   --> src/main.rs:43:17
Dec 05 03:36:02.020 INFO [stderr]    |
Dec 05 03:36:02.020 INFO [stderr] 43 |                 writer.write(item.as_bytes());
Dec 05 03:36:02.020 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:36:02.020 INFO [stderr]    |
Dec 05 03:36:02.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:36:02.020 INFO [stderr] 
Dec 05 03:36:02.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:36:02.020 INFO [stderr]   --> src/main.rs:44:17
Dec 05 03:36:02.020 INFO [stderr]    |
Dec 05 03:36:02.020 INFO [stderr] 44 |                 writer.write(new_line.as_bytes());
Dec 05 03:36:02.020 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:36:02.020 INFO [stderr]    |
Dec 05 03:36:02.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:36:02.020 INFO [stderr] 
Dec 05 03:36:02.063 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 05 03:36:02.063 INFO [stderr] su: No module specific data is present
Dec 05 03:36:02.585 INFO running `"docker" "inspect" "e775146e1a772e8c2df31401935e1eab0b8e48f8da945717f760f529fd4a989c"`
Dec 05 03:36:02.863 INFO running `"docker" "rm" "-f" "e775146e1a772e8c2df31401935e1eab0b8e48f8da945717f760f529fd4a989c"`
Dec 05 03:36:03.191 INFO [stdout] e775146e1a772e8c2df31401935e1eab0b8e48f8da945717f760f529fd4a989c