Sep 10 03:21:41.958 INFO checking mmstick/parallel against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 03:21:41.958 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 03:21:41.958 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 03:21:42.123 INFO blam! 5843111d8a1a71bd930818e2cd77b22122ef18dc3b482e179b95a9093bafd215
Sep 10 03:21:42.125 INFO running `"docker" "start" "-a" "5843111d8a1a71bd930818e2cd77b22122ef18dc3b482e179b95a9093bafd215"`
Sep 10 03:21:42.646 INFO kablam! usermod: no changes
Sep 10 03:21:42.710 INFO kablam!     Checking libc v0.2.23
Sep 10 03:21:42.714 INFO kablam!     Checking numtoa v0.0.7
Sep 10 03:21:42.714 INFO kablam!     Checking permutate v0.3.2
Sep 10 03:21:42.715 INFO kablam!     Checking itoa v0.3.1
Sep 10 03:21:42.715 INFO kablam!    Compiling sys-info v0.5.0
Sep 10 03:21:42.715 INFO kablam!     Checking arrayvec v0.4.6
Sep 10 03:21:44.421 INFO kablam!     Checking time v0.1.37
Sep 10 03:21:44.421 INFO kablam!     Checking wait-timeout v0.1.5
Sep 10 03:21:44.421 INFO kablam!     Checking num_cpus v1.5.1
Sep 10 03:21:45.310 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Sep 10 03:21:45.561 INFO kablam! warning: doc comment not used by rustdoc
Sep 10 03:21:45.562 INFO kablam!    --> src/main.rs:242:9
Sep 10 03:21:45.562 INFO kablam!     |
Sep 10 03:21:45.562 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 10 03:21:45.562 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 03:21:45.562 INFO kablam!     |
Sep 10 03:21:45.562 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 10 03:21:45.562 INFO kablam! 
Sep 10 03:21:45.562 INFO kablam! warning: doc comment not used by rustdoc
Sep 10 03:21:45.562 INFO kablam!    --> src/main.rs:245:9
Sep 10 03:21:45.562 INFO kablam!     |
Sep 10 03:21:45.562 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 10 03:21:45.562 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 03:21:45.562 INFO kablam! 
Sep 10 03:21:45.638 INFO kablam! warning: unnecessary parentheses around method argument
Sep 10 03:21:45.638 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Sep 10 03:21:45.638 INFO kablam!     |
Sep 10 03:21:45.638 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Sep 10 03:21:45.638 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Sep 10 03:21:45.638 INFO kablam!     |
Sep 10 03:21:45.638 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 03:21:45.638 INFO kablam! 
Sep 10 03:21:45.638 INFO kablam! warning: doc comment not used by rustdoc
Sep 10 03:21:45.638 INFO kablam!    --> src/main.rs:242:9
Sep 10 03:21:45.638 INFO kablam!     |
Sep 10 03:21:45.638 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 10 03:21:45.638 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 03:21:45.638 INFO kablam!     |
Sep 10 03:21:45.638 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 10 03:21:45.638 INFO kablam! 
Sep 10 03:21:45.638 INFO kablam! warning: doc comment not used by rustdoc
Sep 10 03:21:45.638 INFO kablam!    --> src/main.rs:245:9
Sep 10 03:21:45.638 INFO kablam!     |
Sep 10 03:21:45.638 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 10 03:21:45.638 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 03:21:45.638 INFO kablam! 
Sep 10 03:21:46.285 INFO kablam! warning: variable does not need to be mutable
Sep 10 03:21:46.285 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 10 03:21:46.285 INFO kablam!     |
Sep 10 03:21:46.285 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 10 03:21:46.285 INFO kablam!     |         ----^^^^^^^^^^^
Sep 10 03:21:46.285 INFO kablam!     |         |
Sep 10 03:21:46.285 INFO kablam!     |         help: remove this `mut`
Sep 10 03:21:46.290 INFO kablam!     |
Sep 10 03:21:46.290 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 03:21:46.290 INFO kablam! 
Sep 10 03:21:46.346 INFO kablam! warning: variable does not need to be mutable
Sep 10 03:21:46.346 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 10 03:21:46.346 INFO kablam!    |
Sep 10 03:21:46.346 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 10 03:21:46.346 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 10 03:21:46.346 INFO kablam!    |             |
Sep 10 03:21:46.346 INFO kablam!    |             help: remove this `mut`
Sep 10 03:21:46.346 INFO kablam! 
Sep 10 03:21:46.405 INFO kablam! warning: variable does not need to be mutable
Sep 10 03:21:46.405 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 10 03:21:46.405 INFO kablam!    |
Sep 10 03:21:46.405 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 10 03:21:46.405 INFO kablam!    |                 ----^^^^^^
Sep 10 03:21:46.405 INFO kablam!    |                 |
Sep 10 03:21:46.405 INFO kablam!    |                 help: remove this `mut`
Sep 10 03:21:46.405 INFO kablam! 
Sep 10 03:21:46.788 INFO kablam! warning: variable does not need to be mutable
Sep 10 03:21:46.788 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 10 03:21:46.788 INFO kablam!     |
Sep 10 03:21:46.788 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 10 03:21:46.788 INFO kablam!     |         ----^^^^^^^^^^^
Sep 10 03:21:46.788 INFO kablam!     |         |
Sep 10 03:21:46.788 INFO kablam!     |         help: remove this `mut`
Sep 10 03:21:46.791 INFO kablam!     |
Sep 10 03:21:46.791 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 03:21:46.791 INFO kablam! 
Sep 10 03:21:46.886 INFO kablam! warning: variable does not need to be mutable
Sep 10 03:21:46.886 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 10 03:21:46.887 INFO kablam!    |
Sep 10 03:21:46.887 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 10 03:21:46.887 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 10 03:21:46.887 INFO kablam!    |             |
Sep 10 03:21:46.887 INFO kablam!    |             help: remove this `mut`
Sep 10 03:21:46.887 INFO kablam! 
Sep 10 03:21:46.941 INFO kablam! warning: variable does not need to be mutable
Sep 10 03:21:46.941 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 10 03:21:46.941 INFO kablam!    |
Sep 10 03:21:46.941 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 10 03:21:46.941 INFO kablam!    |                 ----^^^^^^
Sep 10 03:21:46.941 INFO kablam!    |                 |
Sep 10 03:21:46.941 INFO kablam!    |                 help: remove this `mut`
Sep 10 03:21:46.941 INFO kablam! 
Sep 10 03:21:47.103 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.42s
Sep 10 03:21:47.107 INFO kablam! su: No module specific data is present
Sep 10 03:21:48.157 INFO running `"docker" "rm" "-f" "5843111d8a1a71bd930818e2cd77b22122ef18dc3b482e179b95a9093bafd215"`
Sep 10 03:21:48.301 INFO blam! 5843111d8a1a71bd930818e2cd77b22122ef18dc3b482e179b95a9093bafd215