Oct 12 17:15:57.588 INFO checking mmstick/parallel against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 17:15:57.589 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 17:15:58.133 INFO blam! f96a6fd873f277cfec82bf3c688e663cda0eb56e59882932081dcfdbce147b88
Oct 12 17:15:58.134 INFO running `"docker" "start" "-a" "f96a6fd873f277cfec82bf3c688e663cda0eb56e59882932081dcfdbce147b88"`
Oct 12 17:16:00.460 INFO kablam! usermod: no changes
Oct 12 17:16:00.592 INFO kablam!     Checking numtoa v0.0.7
Oct 12 17:16:00.592 INFO kablam!     Checking permutate v0.3.2
Oct 12 17:16:00.592 INFO kablam!    Compiling sys-info v0.5.0
Oct 12 17:16:00.592 INFO kablam!     Checking arrayvec v0.4.6
Oct 12 17:16:00.592 INFO kablam!     Checking wait-timeout v0.1.5
Oct 12 17:16:03.862 INFO kablam!     Checking parallel v0.11.3 (/source)
Oct 12 17:16:04.629 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 17:16:04.630 INFO kablam!    --> src/main.rs:242:9
Oct 12 17:16:04.630 INFO kablam!     |
Oct 12 17:16:04.631 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Oct 12 17:16:04.631 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:16:04.640 INFO kablam!     |
Oct 12 17:16:04.641 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 17:16:04.641 INFO kablam! 
Oct 12 17:16:04.642 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 17:16:04.642 INFO kablam!    --> src/main.rs:245:9
Oct 12 17:16:04.643 INFO kablam!     |
Oct 12 17:16:04.643 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Oct 12 17:16:04.644 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:16:04.644 INFO kablam! 
Oct 12 17:16:04.768 INFO kablam! warning: unnecessary parentheses around method argument
Oct 12 17:16:04.769 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Oct 12 17:16:04.769 INFO kablam!     |
Oct 12 17:16:04.769 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Oct 12 17:16:04.769 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Oct 12 17:16:04.769 INFO kablam!     |
Oct 12 17:16:04.769 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 12 17:16:04.769 INFO kablam! 
Oct 12 17:16:04.769 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 17:16:04.769 INFO kablam!    --> src/main.rs:242:9
Oct 12 17:16:04.769 INFO kablam!     |
Oct 12 17:16:04.769 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Oct 12 17:16:04.769 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:16:04.769 INFO kablam!     |
Oct 12 17:16:04.769 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 17:16:04.769 INFO kablam! 
Oct 12 17:16:04.769 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 17:16:04.769 INFO kablam!    --> src/main.rs:245:9
Oct 12 17:16:04.769 INFO kablam!     |
Oct 12 17:16:04.771 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Oct 12 17:16:04.771 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:16:04.771 INFO kablam! 
Oct 12 17:16:05.968 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:05.968 INFO kablam!    --> src/arguments/mod.rs:553:9
Oct 12 17:16:05.968 INFO kablam!     |
Oct 12 17:16:05.968 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Oct 12 17:16:05.968 INFO kablam!     |         ----^^^^^^^^^^^
Oct 12 17:16:05.968 INFO kablam!     |         |
Oct 12 17:16:05.968 INFO kablam!     |         help: remove this `mut`
Oct 12 17:16:05.968 INFO kablam!     |
Oct 12 17:16:05.968 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:16:05.968 INFO kablam! 
Oct 12 17:16:06.036 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:06.036 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Oct 12 17:16:06.036 INFO kablam!    |
Oct 12 17:16:06.036 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Oct 12 17:16:06.036 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 12 17:16:06.036 INFO kablam!    |             |
Oct 12 17:16:06.036 INFO kablam!    |             help: remove this `mut`
Oct 12 17:16:06.036 INFO kablam! 
Oct 12 17:16:06.096 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:06.096 INFO kablam!   --> src/execute/pipe.rs:41:17
Oct 12 17:16:06.096 INFO kablam!    |
Oct 12 17:16:06.096 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Oct 12 17:16:06.096 INFO kablam!    |                 ----^^^^^^
Oct 12 17:16:06.096 INFO kablam!    |                 |
Oct 12 17:16:06.096 INFO kablam!    |                 help: remove this `mut`
Oct 12 17:16:06.096 INFO kablam! 
Oct 12 17:16:06.460 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:06.461 INFO kablam!    --> src/arguments/mod.rs:553:9
Oct 12 17:16:06.461 INFO kablam!     |
Oct 12 17:16:06.461 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Oct 12 17:16:06.462 INFO kablam!     |         ----^^^^^^^^^^^
Oct 12 17:16:06.462 INFO kablam!     |         |
Oct 12 17:16:06.462 INFO kablam!     |         help: remove this `mut`
Oct 12 17:16:06.463 INFO kablam!     |
Oct 12 17:16:06.463 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:16:06.463 INFO kablam! 
Oct 12 17:16:06.548 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:06.549 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Oct 12 17:16:06.549 INFO kablam!    |
Oct 12 17:16:06.549 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Oct 12 17:16:06.550 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 12 17:16:06.550 INFO kablam!    |             |
Oct 12 17:16:06.550 INFO kablam!    |             help: remove this `mut`
Oct 12 17:16:06.551 INFO kablam! 
Oct 12 17:16:06.612 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:06.613 INFO kablam!   --> src/execute/pipe.rs:41:17
Oct 12 17:16:06.613 INFO kablam!    |
Oct 12 17:16:06.613 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Oct 12 17:16:06.614 INFO kablam!    |                 ----^^^^^^
Oct 12 17:16:06.614 INFO kablam!    |                 |
Oct 12 17:16:06.614 INFO kablam!    |                 help: remove this `mut`
Oct 12 17:16:06.615 INFO kablam! 
Oct 12 17:16:06.770 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.27s
Oct 12 17:16:06.775 INFO kablam! su: No module specific data is present
Oct 12 17:16:07.738 INFO running `"docker" "rm" "-f" "f96a6fd873f277cfec82bf3c688e663cda0eb56e59882932081dcfdbce147b88"`
Oct 12 17:16:08.080 INFO blam! f96a6fd873f277cfec82bf3c688e663cda0eb56e59882932081dcfdbce147b88