Sep 17 20:15:23.620 INFO checking parallel-0.11.3 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 20:15:23.620 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 20:15:23.620 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:15:23.896 INFO blam! d33d6a9d44185aa6d0970d6f83c20c32914d494a5c6708209254ac06cea95df3
Sep 17 20:15:23.898 INFO running `"docker" "start" "-a" "d33d6a9d44185aa6d0970d6f83c20c32914d494a5c6708209254ac06cea95df3"`
Sep 17 20:15:24.572 INFO kablam! usermod: no changes
Sep 17 20:15:24.639 INFO kablam!     Checking numtoa v0.0.7
Sep 17 20:15:24.639 INFO kablam!     Checking permutate v0.3.2
Sep 17 20:15:24.640 INFO kablam!    Compiling sys-info v0.4.1
Sep 17 20:15:25.639 INFO kablam!     Checking parallel v0.11.3 (/source)
Sep 17 20:15:26.036 INFO kablam! warning: doc comment not used by rustdoc
Sep 17 20:15:26.036 INFO kablam!    --> src/main.rs:242:9
Sep 17 20:15:26.036 INFO kablam!     |
Sep 17 20:15:26.036 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 17 20:15:26.036 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:15:26.036 INFO kablam!     |
Sep 17 20:15:26.036 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 17 20:15:26.036 INFO kablam! 
Sep 17 20:15:26.036 INFO kablam! warning: doc comment not used by rustdoc
Sep 17 20:15:26.036 INFO kablam!    --> src/main.rs:245:9
Sep 17 20:15:26.036 INFO kablam!     |
Sep 17 20:15:26.036 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 17 20:15:26.036 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:15:26.036 INFO kablam! 
Sep 17 20:15:26.131 INFO kablam! warning: unnecessary parentheses around method argument
Sep 17 20:15:26.131 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Sep 17 20:15:26.131 INFO kablam!     |
Sep 17 20:15:26.131 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Sep 17 20:15:26.131 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Sep 17 20:15:26.131 INFO kablam!     |
Sep 17 20:15:26.131 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 17 20:15:26.131 INFO kablam! 
Sep 17 20:15:26.131 INFO kablam! warning: doc comment not used by rustdoc
Sep 17 20:15:26.131 INFO kablam!    --> src/main.rs:242:9
Sep 17 20:15:26.131 INFO kablam!     |
Sep 17 20:15:26.131 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 17 20:15:26.131 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:15:26.131 INFO kablam!     |
Sep 17 20:15:26.131 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 17 20:15:26.131 INFO kablam! 
Sep 17 20:15:26.131 INFO kablam! warning: doc comment not used by rustdoc
Sep 17 20:15:26.131 INFO kablam!    --> src/main.rs:245:9
Sep 17 20:15:26.131 INFO kablam!     |
Sep 17 20:15:26.131 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 17 20:15:26.131 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:15:26.131 INFO kablam! 
Sep 17 20:15:26.791 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:15:26.791 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 17 20:15:26.791 INFO kablam!     |
Sep 17 20:15:26.791 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 17 20:15:26.791 INFO kablam!     |         ----^^^^^^^^^^^
Sep 17 20:15:26.791 INFO kablam!     |         |
Sep 17 20:15:26.791 INFO kablam!     |         help: remove this `mut`
Sep 17 20:15:26.791 INFO kablam!     |
Sep 17 20:15:26.791 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 20:15:26.791 INFO kablam! 
Sep 17 20:15:26.868 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:15:26.868 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 17 20:15:26.868 INFO kablam!    |
Sep 17 20:15:26.868 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 17 20:15:26.868 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 17 20:15:26.868 INFO kablam!    |             |
Sep 17 20:15:26.868 INFO kablam!    |             help: remove this `mut`
Sep 17 20:15:26.868 INFO kablam! 
Sep 17 20:15:26.931 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:15:26.931 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 17 20:15:26.931 INFO kablam!    |
Sep 17 20:15:26.931 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 17 20:15:26.931 INFO kablam!    |                 ----^^^^^^
Sep 17 20:15:26.931 INFO kablam!    |                 |
Sep 17 20:15:26.931 INFO kablam!    |                 help: remove this `mut`
Sep 17 20:15:26.931 INFO kablam! 
Sep 17 20:15:27.022 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:15:27.023 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 17 20:15:27.023 INFO kablam!     |
Sep 17 20:15:27.023 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 17 20:15:27.023 INFO kablam!     |         ----^^^^^^^^^^^
Sep 17 20:15:27.023 INFO kablam!     |         |
Sep 17 20:15:27.023 INFO kablam!     |         help: remove this `mut`
Sep 17 20:15:27.023 INFO kablam!     |
Sep 17 20:15:27.023 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 20:15:27.023 INFO kablam! 
Sep 17 20:15:27.104 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:15:27.104 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 17 20:15:27.104 INFO kablam!    |
Sep 17 20:15:27.104 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 17 20:15:27.104 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 17 20:15:27.104 INFO kablam!    |             |
Sep 17 20:15:27.104 INFO kablam!    |             help: remove this `mut`
Sep 17 20:15:27.104 INFO kablam! 
Sep 17 20:15:27.150 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:15:27.150 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 17 20:15:27.150 INFO kablam!    |
Sep 17 20:15:27.150 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 17 20:15:27.150 INFO kablam!    |                 ----^^^^^^
Sep 17 20:15:27.150 INFO kablam!    |                 |
Sep 17 20:15:27.150 INFO kablam!    |                 help: remove this `mut`
Sep 17 20:15:27.150 INFO kablam! 
Sep 17 20:15:27.264 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
Sep 17 20:15:27.268 INFO kablam! su: No module specific data is present
Sep 17 20:15:27.779 INFO running `"docker" "rm" "-f" "d33d6a9d44185aa6d0970d6f83c20c32914d494a5c6708209254ac06cea95df3"`
Sep 17 20:15:27.849 INFO blam! d33d6a9d44185aa6d0970d6f83c20c32914d494a5c6708209254ac06cea95df3