Dec 15 02:16:06.337 INFO testing parallel-0.11.3 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 02:16:06.337 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15 02:16:06.759 INFO [stdout] 5ac2fee4ea44d716db5381981e03cd70568e46caf8007b514c50eee336b58c33
Dec 15 02:16:06.764 INFO running `"docker" "start" "-a" "5ac2fee4ea44d716db5381981e03cd70568e46caf8007b514c50eee336b58c33"`
Dec 15 02:16:07.866 INFO [stderr] usermod: no changes
Dec 15 02:16:07.992 INFO [stderr]    Compiling permutate v0.3.2
Dec 15 02:16:07.992 INFO [stderr]    Compiling numtoa v0.0.7
Dec 15 02:16:07.992 INFO [stderr]    Compiling sys-info v0.4.1
Dec 15 02:16:11.350 INFO [stderr]    Compiling parallel v0.11.3 (/source)
Dec 15 02:16:12.175 INFO [stderr] warning: doc comment not used by rustdoc
Dec 15 02:16:12.175 INFO [stderr]    --> src/main.rs:242:9
Dec 15 02:16:12.175 INFO [stderr]     |
Dec 15 02:16:12.175 INFO [stderr] 242 |         /// Prints messages from executed commands in the correct order.
Dec 15 02:16:12.175 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 02:16:12.175 INFO [stderr]     |
Dec 15 02:16:12.175 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 15 02:16:12.175 INFO [stderr] 
Dec 15 02:16:12.175 INFO [stderr] warning: doc comment not used by rustdoc
Dec 15 02:16:12.175 INFO [stderr]    --> src/main.rs:245:9
Dec 15 02:16:12.175 INFO [stderr]     |
Dec 15 02:16:12.175 INFO [stderr] 245 |         /// Wait for all threads to exit before proceeding.
Dec 15 02:16:12.175 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 02:16:12.175 INFO [stderr] 
Dec 15 02:16:12.815 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:12.815 INFO [stderr]    --> src/arguments/mod.rs:553:9
Dec 15 02:16:12.815 INFO [stderr]     |
Dec 15 02:16:12.815 INFO [stderr] 553 |     let mut append_list = &mut Vec::new();
Dec 15 02:16:12.815 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 15 02:16:12.815 INFO [stderr]     |         |
Dec 15 02:16:12.815 INFO [stderr]     |         help: remove this `mut`
Dec 15 02:16:12.815 INFO [stderr]     |
Dec 15 02:16:12.815 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 02:16:12.815 INFO [stderr] 
Dec 15 02:16:12.881 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:12.881 INFO [stderr]   --> src/execute/exec_commands.rs:36:13
Dec 15 02:16:12.881 INFO [stderr]    |
Dec 15 02:16:12.881 INFO [stderr] 36 |         let mut command_buffer = &mut String::with_capacity(64);
Dec 15 02:16:12.881 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 15 02:16:12.881 INFO [stderr]    |             |
Dec 15 02:16:12.881 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:16:12.881 INFO [stderr] 
Dec 15 02:16:12.939 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:12.939 INFO [stderr]   --> src/execute/pipe.rs:41:17
Dec 15 02:16:12.939 INFO [stderr]    |
Dec 15 02:16:12.939 INFO [stderr] 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Dec 15 02:16:12.939 INFO [stderr]    |                 ----^^^^^^
Dec 15 02:16:12.939 INFO [stderr]    |                 |
Dec 15 02:16:12.939 INFO [stderr]    |                 help: remove this `mut`
Dec 15 02:16:12.939 INFO [stderr] 
Dec 15 02:16:16.149 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.24s
Dec 15 02:16:16.149 INFO [stderr] su: No module specific data is present
Dec 15 02:16:16.517 INFO running `"docker" "inspect" "5ac2fee4ea44d716db5381981e03cd70568e46caf8007b514c50eee336b58c33"`
Dec 15 02:16:16.628 INFO running `"docker" "rm" "-f" "5ac2fee4ea44d716db5381981e03cd70568e46caf8007b514c50eee336b58c33"`
Dec 15 02:16:16.844 INFO [stdout] 5ac2fee4ea44d716db5381981e03cd70568e46caf8007b514c50eee336b58c33
Dec 15 02:16:16.848 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15 02:16:17.026 INFO [stdout] 04ddc60762f4d4f2a5636299d58b6fb4f7730acbc79050a2c418f1a5ba2e214f
Dec 15 02:16:17.028 INFO running `"docker" "start" "-a" "04ddc60762f4d4f2a5636299d58b6fb4f7730acbc79050a2c418f1a5ba2e214f"`
Dec 15 02:16:17.451 INFO [stderr] usermod: no changes
Dec 15 02:16:17.505 INFO [stderr]    Compiling parallel v0.11.3 (/source)
Dec 15 02:16:18.299 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 15 02:16:18.299 INFO [stderr]    --> src/input_iterator/iterator.rs:231:48
Dec 15 02:16:18.299 INFO [stderr]     |
Dec 15 02:16:18.299 INFO [stderr] 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Dec 15 02:16:18.299 INFO [stderr]     |                                                ^^^^^^^^^ help: remove these parentheses
Dec 15 02:16:18.299 INFO [stderr]     |
Dec 15 02:16:18.299 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 15 02:16:18.299 INFO [stderr] 
Dec 15 02:16:18.299 INFO [stderr] warning: doc comment not used by rustdoc
Dec 15 02:16:18.299 INFO [stderr]    --> src/main.rs:242:9
Dec 15 02:16:18.299 INFO [stderr]     |
Dec 15 02:16:18.299 INFO [stderr] 242 |         /// Prints messages from executed commands in the correct order.
Dec 15 02:16:18.299 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 02:16:18.299 INFO [stderr]     |
Dec 15 02:16:18.299 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 15 02:16:18.299 INFO [stderr] 
Dec 15 02:16:18.299 INFO [stderr] warning: doc comment not used by rustdoc
Dec 15 02:16:18.299 INFO [stderr]    --> src/main.rs:245:9
Dec 15 02:16:18.299 INFO [stderr]     |
Dec 15 02:16:18.299 INFO [stderr] 245 |         /// Wait for all threads to exit before proceeding.
Dec 15 02:16:18.299 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 02:16:18.299 INFO [stderr] 
Dec 15 02:16:18.936 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:18.936 INFO [stderr]    --> src/arguments/mod.rs:553:9
Dec 15 02:16:18.936 INFO [stderr]     |
Dec 15 02:16:18.936 INFO [stderr] 553 |     let mut append_list = &mut Vec::new();
Dec 15 02:16:18.936 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 15 02:16:18.936 INFO [stderr]     |         |
Dec 15 02:16:18.936 INFO [stderr]     |         help: remove this `mut`
Dec 15 02:16:18.936 INFO [stderr]     |
Dec 15 02:16:18.936 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 02:16:18.936 INFO [stderr] 
Dec 15 02:16:19.018 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:19.018 INFO [stderr]   --> src/execute/exec_commands.rs:36:13
Dec 15 02:16:19.018 INFO [stderr]    |
Dec 15 02:16:19.018 INFO [stderr] 36 |         let mut command_buffer = &mut String::with_capacity(64);
Dec 15 02:16:19.018 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 15 02:16:19.018 INFO [stderr]    |             |
Dec 15 02:16:19.018 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:16:19.018 INFO [stderr] 
Dec 15 02:16:19.062 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:16:19.062 INFO [stderr]   --> src/execute/pipe.rs:41:17
Dec 15 02:16:19.062 INFO [stderr]    |
Dec 15 02:16:19.062 INFO [stderr] 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Dec 15 02:16:19.062 INFO [stderr]    |                 ----^^^^^^
Dec 15 02:16:19.062 INFO [stderr]    |                 |
Dec 15 02:16:19.062 INFO [stderr]    |                 help: remove this `mut`
Dec 15 02:16:19.062 INFO [stderr] 
Dec 15 02:16:19.673 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Dec 15 02:16:19.677 INFO [stderr] su: No module specific data is present
Dec 15 02:16:19.909 INFO running `"docker" "inspect" "04ddc60762f4d4f2a5636299d58b6fb4f7730acbc79050a2c418f1a5ba2e214f"`
Dec 15 02:16:20.008 INFO running `"docker" "rm" "-f" "04ddc60762f4d4f2a5636299d58b6fb4f7730acbc79050a2c418f1a5ba2e214f"`
Dec 15 02:16:20.108 INFO [stdout] 04ddc60762f4d4f2a5636299d58b6fb4f7730acbc79050a2c418f1a5ba2e214f
Dec 15 02:16:20.112 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15 02:16:20.276 INFO [stdout] d300aea18333e5d2cd258fca00f92ce34cb38cffa8b627c39002828756be8d81
Dec 15 02:16:20.280 INFO running `"docker" "start" "-a" "d300aea18333e5d2cd258fca00f92ce34cb38cffa8b627c39002828756be8d81"`
Dec 15 02:16:20.876 INFO [stderr] usermod: no changes
Dec 15 02:16:20.946 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 15 02:16:20.963 INFO [stderr]      Running /target/debug/deps/parallel-05ec5120bd0ebad4
Dec 15 02:16:20.971 INFO [stdout] 
Dec 15 02:16:20.971 INFO [stdout] running 21 tests
Dec 15 02:16:20.971 INFO [stdout] test arguments::jobs::job_parsing ... ok
Dec 15 02:16:20.971 INFO [stdout] test disk_buffer::tests::test_disk_buffer_reader_byte_shifting ... ok
Dec 15 02:16:20.971 INFO [stdout] test disk_buffer::tests::test_disk_buffer_reader_simple ... ok
Dec 15 02:16:20.971 INFO [stdout] test execute::argument_splitter::tests::methods ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_basename_dir ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_basename_empty ... ok
Dec 15 02:16:20.971 INFO [stdout] test execute::argument_splitter::tests::quotes ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_dirname_simple ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_dirname_empty ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_dirname_dir ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_dirname_utf8 ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_hidden ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_remove_ext_dir ... ok
Dec 15 02:16:20.971 INFO [stdout] test tokenizer::functions::tests::path_remove_ext_empty ... ok
Dec 15 02:16:20.973 INFO [stdout] test execute::argument_splitter::tests::arrays ... ok
Dec 15 02:16:20.973 INFO [stdout] test execute::argument_splitter::tests::processes ... ok
Dec 15 02:16:20.973 INFO [stdout] test tokenizer::functions::tests::path_basename_simple ... ok
Dec 15 02:16:20.973 INFO [stdout] test tokenizer::functions::tests::path_basename_utf8 ... ok
Dec 15 02:16:20.986 INFO [stdout] test tokenizer::functions::tests::path_remove_ext_simple ... ok
Dec 15 02:16:20.986 INFO [stdout] test tokenizer::functions::tests::path_remove_ext_utf8 ... ok
Dec 15 02:16:20.992 INFO [stdout] test input_iterator::iterator::tests::test_input_iterator ... ok
Dec 15 02:16:20.992 INFO [stdout] 
Dec 15 02:16:20.992 INFO [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 02:16:20.992 INFO [stdout] 
Dec 15 02:16:20.994 INFO [stderr] su: No module specific data is present
Dec 15 02:16:21.583 INFO running `"docker" "inspect" "d300aea18333e5d2cd258fca00f92ce34cb38cffa8b627c39002828756be8d81"`
Dec 15 02:16:21.809 INFO running `"docker" "rm" "-f" "d300aea18333e5d2cd258fca00f92ce34cb38cffa8b627c39002828756be8d81"`
Dec 15 02:16:22.111 INFO [stdout] d300aea18333e5d2cd258fca00f92ce34cb38cffa8b627c39002828756be8d81