Sep 05 18:07:54.746 INFO checking mmstick/parallel against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 18:07:54.746 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 18:07:54.746 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 18:07:55.214 INFO blam! 7ab1cc66929ca03f25b898f04199cc98fcf96df83222f4aca702394364402b42
Sep 05 18:07:55.216 INFO running `"docker" "start" "-a" "7ab1cc66929ca03f25b898f04199cc98fcf96df83222f4aca702394364402b42"`
Sep 05 18:07:57.470 INFO kablam! usermod: no changes
Sep 05 18:07:57.638 INFO kablam!     Checking numtoa v0.0.7
Sep 05 18:07:57.638 INFO kablam!     Checking permutate v0.3.2
Sep 05 18:07:57.646 INFO kablam!    Compiling sys-info v0.5.0
Sep 05 18:07:57.646 INFO kablam!     Checking num_cpus v1.5.1
Sep 05 18:07:57.646 INFO kablam!     Checking time v0.1.37
Sep 05 18:07:57.646 INFO kablam!     Checking wait-timeout v0.1.5
Sep 05 18:07:57.646 INFO kablam!     Checking arrayvec v0.4.6
Sep 05 18:08:01.156 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Sep 05 18:08:01.506 INFO kablam! warning: doc comment not used by rustdoc
Sep 05 18:08:01.506 INFO kablam!    --> src/main.rs:242:9
Sep 05 18:08:01.506 INFO kablam!     |
Sep 05 18:08:01.506 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 05 18:08:01.506 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 18:08:01.506 INFO kablam!     |
Sep 05 18:08:01.506 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 05 18:08:01.506 INFO kablam! 
Sep 05 18:08:01.507 INFO kablam! warning: doc comment not used by rustdoc
Sep 05 18:08:01.507 INFO kablam!    --> src/main.rs:245:9
Sep 05 18:08:01.507 INFO kablam!     |
Sep 05 18:08:01.507 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 05 18:08:01.507 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 18:08:01.507 INFO kablam! 
Sep 05 18:08:01.618 INFO kablam! warning: unnecessary parentheses around method argument
Sep 05 18:08:01.618 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Sep 05 18:08:01.618 INFO kablam!     |
Sep 05 18:08:01.618 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Sep 05 18:08:01.619 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Sep 05 18:08:01.619 INFO kablam!     |
Sep 05 18:08:01.619 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 05 18:08:01.619 INFO kablam! 
Sep 05 18:08:01.620 INFO kablam! warning: doc comment not used by rustdoc
Sep 05 18:08:01.620 INFO kablam!    --> src/main.rs:242:9
Sep 05 18:08:01.620 INFO kablam!     |
Sep 05 18:08:01.620 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 05 18:08:01.620 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 18:08:01.634 INFO kablam!     |
Sep 05 18:08:01.634 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 05 18:08:01.634 INFO kablam! 
Sep 05 18:08:01.634 INFO kablam! warning: doc comment not used by rustdoc
Sep 05 18:08:01.634 INFO kablam!    --> src/main.rs:245:9
Sep 05 18:08:01.634 INFO kablam!     |
Sep 05 18:08:01.634 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 05 18:08:01.634 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 18:08:01.634 INFO kablam! 
Sep 05 18:08:02.717 INFO kablam! warning: variable does not need to be mutable
Sep 05 18:08:02.717 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 05 18:08:02.717 INFO kablam!     |
Sep 05 18:08:02.717 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 05 18:08:02.717 INFO kablam!     |         ----^^^^^^^^^^^
Sep 05 18:08:02.717 INFO kablam!     |         |
Sep 05 18:08:02.717 INFO kablam!     |         help: remove this `mut`
Sep 05 18:08:02.717 INFO kablam!     |
Sep 05 18:08:02.717 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 18:08:02.717 INFO kablam! 
Sep 05 18:08:02.838 INFO kablam! warning: variable does not need to be mutable
Sep 05 18:08:02.838 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 05 18:08:02.838 INFO kablam!    |
Sep 05 18:08:02.838 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 05 18:08:02.838 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 05 18:08:02.838 INFO kablam!    |             |
Sep 05 18:08:02.838 INFO kablam!    |             help: remove this `mut`
Sep 05 18:08:02.838 INFO kablam! 
Sep 05 18:08:02.968 INFO kablam! warning: variable does not need to be mutable
Sep 05 18:08:02.968 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 05 18:08:02.968 INFO kablam!    |
Sep 05 18:08:02.968 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 05 18:08:02.968 INFO kablam!    |                 ----^^^^^^
Sep 05 18:08:02.968 INFO kablam!    |                 |
Sep 05 18:08:02.968 INFO kablam!    |                 help: remove this `mut`
Sep 05 18:08:02.969 INFO kablam! 
Sep 05 18:08:03.286 INFO kablam! warning: variable does not need to be mutable
Sep 05 18:08:03.286 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 05 18:08:03.286 INFO kablam!     |
Sep 05 18:08:03.286 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 05 18:08:03.286 INFO kablam!     |         ----^^^^^^^^^^^
Sep 05 18:08:03.286 INFO kablam!     |         |
Sep 05 18:08:03.286 INFO kablam!     |         help: remove this `mut`
Sep 05 18:08:03.286 INFO kablam!     |
Sep 05 18:08:03.286 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 18:08:03.286 INFO kablam! 
Sep 05 18:08:03.402 INFO kablam! warning: variable does not need to be mutable
Sep 05 18:08:03.402 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 05 18:08:03.402 INFO kablam!    |
Sep 05 18:08:03.402 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 05 18:08:03.402 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 05 18:08:03.402 INFO kablam!    |             |
Sep 05 18:08:03.402 INFO kablam!    |             help: remove this `mut`
Sep 05 18:08:03.402 INFO kablam! 
Sep 05 18:08:03.542 INFO kablam! warning: variable does not need to be mutable
Sep 05 18:08:03.542 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 05 18:08:03.542 INFO kablam!    |
Sep 05 18:08:03.542 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 05 18:08:03.542 INFO kablam!    |                 ----^^^^^^
Sep 05 18:08:03.542 INFO kablam!    |                 |
Sep 05 18:08:03.542 INFO kablam!    |                 help: remove this `mut`
Sep 05 18:08:03.542 INFO kablam! 
Sep 05 18:08:03.701 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
Sep 05 18:08:03.705 INFO kablam! su: No module specific data is present
Sep 05 18:08:04.666 INFO running `"docker" "rm" "-f" "7ab1cc66929ca03f25b898f04199cc98fcf96df83222f4aca702394364402b42"`
Sep 05 18:08:04.965 INFO blam! 7ab1cc66929ca03f25b898f04199cc98fcf96df83222f4aca702394364402b42