Dec 15 02:16:05.409 INFO testing parallel-0.11.3 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 02:16:05.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 15 02:16:05.855 INFO [stdout] 83623b9dec977118a3882c4f39dcc9f7d6d9aa859df37cac771cb08b090c55d3
Dec 15 02:16:05.863 INFO running `"docker" "start" "-a" "83623b9dec977118a3882c4f39dcc9f7d6d9aa859df37cac771cb08b090c55d3"`
Dec 15 02:16:06.928 INFO [stderr] usermod: no changes
Dec 15 02:16:07.045 INFO [stderr]    Compiling sys-info v0.4.1
Dec 15 02:16:09.587 INFO [stderr]    Compiling parallel v0.11.3 (/source)
Dec 15 02:16:10.489 INFO [stderr] warning: doc comment not used by rustdoc
Dec 15 02:16:10.489 INFO [stderr]    --> src/main.rs:242:9
Dec 15 02:16:10.489 INFO [stderr]     |
Dec 15 02:16:10.489 INFO [stderr] 242 |         /// Prints messages from executed commands in the correct order.
Dec 15 02:16:10.489 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 02:16:10.489 INFO [stderr]     |
Dec 15 02:16:10.489 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 15 02:16:10.489 INFO [stderr] 
Dec 15 02:16:10.489 INFO [stderr] warning: doc comment not used by rustdoc
Dec 15 02:16:10.489 INFO [stderr]    --> src/main.rs:245:9
Dec 15 02:16:10.489 INFO [stderr]     |
Dec 15 02:16:10.489 INFO [stderr] 245 |         /// Wait for all threads to exit before proceeding.
Dec 15 02:16:10.489 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 02:16:10.489 INFO [stderr] 
Dec 15 02:16:11.082 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:11.082 INFO [stderr]    --> src/arguments/mod.rs:553:9
Dec 15 02:16:11.082 INFO [stderr]     |
Dec 15 02:16:11.082 INFO [stderr] 553 |     let mut append_list = &mut Vec::new();
Dec 15 02:16:11.082 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 15 02:16:11.082 INFO [stderr]     |         |
Dec 15 02:16:11.082 INFO [stderr]     |         help: remove this `mut`
Dec 15 02:16:11.082 INFO [stderr]     |
Dec 15 02:16:11.082 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 02:16:11.082 INFO [stderr] 
Dec 15 02:16:11.175 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:11.175 INFO [stderr]   --> src/execute/exec_commands.rs:36:13
Dec 15 02:16:11.175 INFO [stderr]    |
Dec 15 02:16:11.175 INFO [stderr] 36 |         let mut command_buffer = &mut String::with_capacity(64);
Dec 15 02:16:11.175 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 15 02:16:11.175 INFO [stderr]    |             |
Dec 15 02:16:11.175 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:16:11.175 INFO [stderr] 
Dec 15 02:16:11.251 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:11.251 INFO [stderr]   --> src/execute/pipe.rs:41:17
Dec 15 02:16:11.251 INFO [stderr]    |
Dec 15 02:16:11.252 INFO [stderr] 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Dec 15 02:16:11.252 INFO [stderr]    |                 ----^^^^^^
Dec 15 02:16:11.252 INFO [stderr]    |                 |
Dec 15 02:16:11.252 INFO [stderr]    |                 help: remove this `mut`
Dec 15 02:16:11.252 INFO [stderr] 
Dec 15 02:16:14.185 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
Dec 15 02:16:14.190 INFO [stderr] su: No module specific data is present
Dec 15 02:16:15.036 INFO running `"docker" "inspect" "83623b9dec977118a3882c4f39dcc9f7d6d9aa859df37cac771cb08b090c55d3"`
Dec 15 02:16:15.271 INFO running `"docker" "rm" "-f" "83623b9dec977118a3882c4f39dcc9f7d6d9aa859df37cac771cb08b090c55d3"`
Dec 15 02:16:15.579 INFO [stdout] 83623b9dec977118a3882c4f39dcc9f7d6d9aa859df37cac771cb08b090c55d3
Dec 15 02:16:15.585 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 15 02:16:15.975 INFO [stdout] 0927913f9f55f083d93d3d3b6e5d433fe6348c24004b932ecd609541ac8d9182
Dec 15 02:16:15.975 INFO running `"docker" "start" "-a" "0927913f9f55f083d93d3d3b6e5d433fe6348c24004b932ecd609541ac8d9182"`
Dec 15 02:16:16.744 INFO [stderr] usermod: no changes
Dec 15 02:16:16.795 INFO [stderr]    Compiling parallel v0.11.3 (/source)
Dec 15 02:16:17.543 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 15 02:16:17.543 INFO [stderr]    --> src/input_iterator/iterator.rs:231:48
Dec 15 02:16:17.543 INFO [stderr]     |
Dec 15 02:16:17.543 INFO [stderr] 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Dec 15 02:16:17.543 INFO [stderr]     |                                                ^^^^^^^^^ help: remove these parentheses
Dec 15 02:16:17.543 INFO [stderr]     |
Dec 15 02:16:17.543 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 15 02:16:17.543 INFO [stderr] 
Dec 15 02:16:17.543 INFO [stderr] warning: doc comment not used by rustdoc
Dec 15 02:16:17.543 INFO [stderr]    --> src/main.rs:242:9
Dec 15 02:16:17.543 INFO [stderr]     |
Dec 15 02:16:17.543 INFO [stderr] 242 |         /// Prints messages from executed commands in the correct order.
Dec 15 02:16:17.543 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 02:16:17.543 INFO [stderr]     |
Dec 15 02:16:17.543 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 15 02:16:17.543 INFO [stderr] 
Dec 15 02:16:17.543 INFO [stderr] warning: doc comment not used by rustdoc
Dec 15 02:16:17.543 INFO [stderr]    --> src/main.rs:245:9
Dec 15 02:16:17.543 INFO [stderr]     |
Dec 15 02:16:17.543 INFO [stderr] 245 |         /// Wait for all threads to exit before proceeding.
Dec 15 02:16:17.543 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 02:16:17.543 INFO [stderr] 
Dec 15 02:16:18.184 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:18.184 INFO [stderr]    --> src/arguments/mod.rs:553:9
Dec 15 02:16:18.184 INFO [stderr]     |
Dec 15 02:16:18.184 INFO [stderr] 553 |     let mut append_list = &mut Vec::new();
Dec 15 02:16:18.184 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 15 02:16:18.190 INFO [stderr]     |         |
Dec 15 02:16:18.190 INFO [stderr]     |         help: remove this `mut`
Dec 15 02:16:18.190 INFO [stderr]     |
Dec 15 02:16:18.190 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 02:16:18.190 INFO [stderr] 
Dec 15 02:16:18.255 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:18.255 INFO [stderr]   --> src/execute/exec_commands.rs:36:13
Dec 15 02:16:18.255 INFO [stderr]    |
Dec 15 02:16:18.255 INFO [stderr] 36 |         let mut command_buffer = &mut String::with_capacity(64);
Dec 15 02:16:18.255 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 15 02:16:18.255 INFO [stderr]    |             |
Dec 15 02:16:18.255 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:16:18.255 INFO [stderr] 
Dec 15 02:16:18.307 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:18.307 INFO [stderr]   --> src/execute/pipe.rs:41:17
Dec 15 02:16:18.307 INFO [stderr]    |
Dec 15 02:16:18.307 INFO [stderr] 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Dec 15 02:16:18.307 INFO [stderr]    |                 ----^^^^^^
Dec 15 02:16:18.307 INFO [stderr]    |                 |
Dec 15 02:16:18.307 INFO [stderr]    |                 help: remove this `mut`
Dec 15 02:16:18.307 INFO [stderr] 
Dec 15 02:16:19.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
Dec 15 02:16:19.025 INFO [stderr] su: No module specific data is present
Dec 15 02:16:19.412 INFO running `"docker" "inspect" "0927913f9f55f083d93d3d3b6e5d433fe6348c24004b932ecd609541ac8d9182"`
Dec 15 02:16:19.501 INFO running `"docker" "rm" "-f" "0927913f9f55f083d93d3d3b6e5d433fe6348c24004b932ecd609541ac8d9182"`
Dec 15 02:16:19.619 INFO [stdout] 0927913f9f55f083d93d3d3b6e5d433fe6348c24004b932ecd609541ac8d9182
Dec 15 02:16:19.619 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 15 02:16:19.837 INFO [stdout] 570ed430f84ca4aad4f9dc204f9a984103ee71a99af540c239493effb7b27f62
Dec 15 02:16:19.839 INFO running `"docker" "start" "-a" "570ed430f84ca4aad4f9dc204f9a984103ee71a99af540c239493effb7b27f62"`
Dec 15 02:16:20.363 INFO [stderr] usermod: no changes
Dec 15 02:16:20.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 15 02:16:20.427 INFO [stderr]      Running /target/debug/deps/parallel-c40d7d1be1a30e2e
Dec 15 02:16:20.433 INFO [stdout] 
Dec 15 02:16:20.433 INFO [stdout] running 21 tests
Dec 15 02:16:20.434 INFO [stdout] test disk_buffer::tests::test_disk_buffer_reader_byte_shifting ... ok
Dec 15 02:16:20.434 INFO [stdout] test arguments::jobs::job_parsing ... ok
Dec 15 02:16:20.434 INFO [stdout] test execute::argument_splitter::tests::arrays ... ok
Dec 15 02:16:20.434 INFO [stdout] test execute::argument_splitter::tests::quotes ... ok
Dec 15 02:16:20.434 INFO [stdout] test execute::argument_splitter::tests::methods ... ok
Dec 15 02:16:20.434 INFO [stdout] test disk_buffer::tests::test_disk_buffer_reader_simple ... ok
Dec 15 02:16:20.434 INFO [stdout] test execute::argument_splitter::tests::processes ... ok
Dec 15 02:16:20.434 INFO [stdout] test tokenizer::functions::tests::path_basename_simple ... ok
Dec 15 02:16:20.434 INFO [stdout] test tokenizer::functions::tests::path_basename_utf8 ... ok
Dec 15 02:16:20.434 INFO [stdout] test tokenizer::functions::tests::path_dirname_dir ... ok
Dec 15 02:16:20.434 INFO [stdout] test tokenizer::functions::tests::path_dirname_simple ... ok
Dec 15 02:16:20.435 INFO [stdout] test tokenizer::functions::tests::path_dirname_utf8 ... ok
Dec 15 02:16:20.435 INFO [stdout] test tokenizer::functions::tests::path_dirname_empty ... ok
Dec 15 02:16:20.435 INFO [stdout] test tokenizer::functions::tests::path_hidden ... ok
Dec 15 02:16:20.435 INFO [stdout] test tokenizer::functions::tests::path_remove_ext_dir ... ok
Dec 15 02:16:20.435 INFO [stdout] test tokenizer::functions::tests::path_basename_dir ... ok
Dec 15 02:16:20.435 INFO [stdout] test tokenizer::functions::tests::path_remove_ext_empty ... ok
Dec 15 02:16:20.435 INFO [stdout] test tokenizer::functions::tests::path_remove_ext_simple ... ok
Dec 15 02:16:20.435 INFO [stdout] test tokenizer::functions::tests::path_basename_empty ... ok
Dec 15 02:16:20.447 INFO [stdout] test tokenizer::functions::tests::path_remove_ext_utf8 ... ok
Dec 15 02:16:20.447 INFO [stderr] su: No module specific data is present
Dec 15 02:16:20.447 INFO [stdout] test input_iterator::iterator::tests::test_input_iterator ... ok
Dec 15 02:16:20.447 INFO [stdout] 
Dec 15 02:16:20.447 INFO [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 02:16:20.447 INFO [stdout] 
Dec 15 02:16:21.266 INFO running `"docker" "inspect" "570ed430f84ca4aad4f9dc204f9a984103ee71a99af540c239493effb7b27f62"`
Dec 15 02:16:21.473 INFO running `"docker" "rm" "-f" "570ed430f84ca4aad4f9dc204f9a984103ee71a99af540c239493effb7b27f62"`
Dec 15 02:16:21.818 INFO [stdout] 570ed430f84ca4aad4f9dc204f9a984103ee71a99af540c239493effb7b27f62