Sep 21 05:57:47.025 INFO checking parallel-0.11.3 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 05:57:47.025 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 05:57:47.025 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 05:57:47.203 INFO blam! b191192a6ae60581abdded0423b1bceb44214c5d5a88f9f83e3b958330997f6a
Sep 21 05:57:47.205 INFO running `"docker" "start" "-a" "b191192a6ae60581abdded0423b1bceb44214c5d5a88f9f83e3b958330997f6a"`
Sep 21 05:57:48.357 INFO kablam! usermod: no changes
Sep 21 05:57:48.396 INFO kablam!     Checking numtoa v0.0.7
Sep 21 05:57:48.396 INFO kablam!     Checking permutate v0.3.2
Sep 21 05:57:48.396 INFO kablam!     Checking smallvec v0.4.5
Sep 21 05:57:48.396 INFO kablam!    Compiling sys-info v0.4.1
Sep 21 05:57:49.547 INFO kablam!     Checking parallel v0.11.3 (/source)
Sep 21 05:57:49.883 INFO kablam! warning: doc comment not used by rustdoc
Sep 21 05:57:49.883 INFO kablam!    --> src/main.rs:242:9
Sep 21 05:57:49.883 INFO kablam!     |
Sep 21 05:57:49.883 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 21 05:57:49.883 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:57:49.883 INFO kablam!     |
Sep 21 05:57:49.883 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 21 05:57:49.883 INFO kablam! 
Sep 21 05:57:49.883 INFO kablam! warning: doc comment not used by rustdoc
Sep 21 05:57:49.883 INFO kablam!    --> src/main.rs:245:9
Sep 21 05:57:49.883 INFO kablam!     |
Sep 21 05:57:49.883 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 21 05:57:49.883 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:57:49.883 INFO kablam! 
Sep 21 05:57:49.946 INFO kablam! warning: unnecessary parentheses around method argument
Sep 21 05:57:49.946 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Sep 21 05:57:49.946 INFO kablam!     |
Sep 21 05:57:49.946 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Sep 21 05:57:49.946 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Sep 21 05:57:49.946 INFO kablam!     |
Sep 21 05:57:49.946 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 21 05:57:49.946 INFO kablam! 
Sep 21 05:57:49.948 INFO kablam! warning: doc comment not used by rustdoc
Sep 21 05:57:49.948 INFO kablam!    --> src/main.rs:242:9
Sep 21 05:57:49.948 INFO kablam!     |
Sep 21 05:57:49.948 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 21 05:57:49.948 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:57:49.948 INFO kablam!     |
Sep 21 05:57:49.948 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 21 05:57:49.948 INFO kablam! 
Sep 21 05:57:49.948 INFO kablam! warning: doc comment not used by rustdoc
Sep 21 05:57:49.948 INFO kablam!    --> src/main.rs:245:9
Sep 21 05:57:49.948 INFO kablam!     |
Sep 21 05:57:49.948 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 21 05:57:49.948 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:57:49.948 INFO kablam! 
Sep 21 05:57:50.455 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:57:50.455 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 21 05:57:50.455 INFO kablam!     |
Sep 21 05:57:50.455 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 21 05:57:50.455 INFO kablam!     |         ----^^^^^^^^^^^
Sep 21 05:57:50.455 INFO kablam!     |         |
Sep 21 05:57:50.455 INFO kablam!     |         help: remove this `mut`
Sep 21 05:57:50.455 INFO kablam!     |
Sep 21 05:57:50.455 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 05:57:50.455 INFO kablam! 
Sep 21 05:57:50.500 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:57:50.500 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 21 05:57:50.500 INFO kablam!    |
Sep 21 05:57:50.500 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 21 05:57:50.500 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 21 05:57:50.500 INFO kablam!    |             |
Sep 21 05:57:50.500 INFO kablam!    |             help: remove this `mut`
Sep 21 05:57:50.500 INFO kablam! 
Sep 21 05:57:50.545 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:57:50.545 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 21 05:57:50.545 INFO kablam!    |
Sep 21 05:57:50.545 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 21 05:57:50.545 INFO kablam!    |                 ----^^^^^^
Sep 21 05:57:50.545 INFO kablam!    |                 |
Sep 21 05:57:50.545 INFO kablam!    |                 help: remove this `mut`
Sep 21 05:57:50.545 INFO kablam! 
Sep 21 05:57:50.681 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:57:50.681 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 21 05:57:50.681 INFO kablam!     |
Sep 21 05:57:50.681 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 21 05:57:50.681 INFO kablam!     |         ----^^^^^^^^^^^
Sep 21 05:57:50.681 INFO kablam!     |         |
Sep 21 05:57:50.681 INFO kablam!     |         help: remove this `mut`
Sep 21 05:57:50.682 INFO kablam!     |
Sep 21 05:57:50.682 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 05:57:50.682 INFO kablam! 
Sep 21 05:57:50.732 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:57:50.732 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 21 05:57:50.732 INFO kablam!    |
Sep 21 05:57:50.732 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 21 05:57:50.732 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 21 05:57:50.732 INFO kablam!    |             |
Sep 21 05:57:50.732 INFO kablam!    |             help: remove this `mut`
Sep 21 05:57:50.732 INFO kablam! 
Sep 21 05:57:50.782 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:57:50.782 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 21 05:57:50.782 INFO kablam!    |
Sep 21 05:57:50.783 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 21 05:57:50.783 INFO kablam!    |                 ----^^^^^^
Sep 21 05:57:50.783 INFO kablam!    |                 |
Sep 21 05:57:50.783 INFO kablam!    |                 help: remove this `mut`
Sep 21 05:57:50.783 INFO kablam! 
Sep 21 05:57:50.873 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Sep 21 05:57:50.876 INFO kablam! su: No module specific data is present
Sep 21 05:57:51.490 INFO running `"docker" "rm" "-f" "b191192a6ae60581abdded0423b1bceb44214c5d5a88f9f83e3b958330997f6a"`
Sep 21 05:57:51.612 INFO blam! b191192a6ae60581abdded0423b1bceb44214c5d5a88f9f83e3b958330997f6a