Aug 31 21:31:07.935 INFO checking mmstick/parallel against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Aug 31 21:31:07.935 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Aug 31 21:31:07.936 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 21:31:08.113 INFO blam! c7e8c4bcd8d9b4334c73d5469668026ff839eace7f86f8f0c38959193566aad8
Aug 31 21:31:08.115 INFO running `"docker" "start" "-a" "c7e8c4bcd8d9b4334c73d5469668026ff839eace7f86f8f0c38959193566aad8"`
Aug 31 21:31:08.721 INFO kablam!     Checking permutate v0.3.2
Aug 31 21:31:08.721 INFO kablam!     Checking numtoa v0.0.7
Aug 31 21:31:08.722 INFO kablam!    Compiling sys-info v0.5.0
Aug 31 21:31:08.722 INFO kablam!     Checking arrayvec v0.4.6
Aug 31 21:31:08.722 INFO kablam!     Checking wait-timeout v0.1.5
Aug 31 21:31:08.727 INFO kablam!     Checking num_cpus v1.5.1
Aug 31 21:31:11.139 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Aug 31 21:31:11.385 INFO kablam! warning: doc comment not used by rustdoc
Aug 31 21:31:11.386 INFO kablam!    --> src/main.rs:242:9
Aug 31 21:31:11.386 INFO kablam!     |
Aug 31 21:31:11.386 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Aug 31 21:31:11.386 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 21:31:11.386 INFO kablam!     |
Aug 31 21:31:11.386 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Aug 31 21:31:11.386 INFO kablam! 
Aug 31 21:31:11.386 INFO kablam! warning: doc comment not used by rustdoc
Aug 31 21:31:11.386 INFO kablam!    --> src/main.rs:245:9
Aug 31 21:31:11.386 INFO kablam!     |
Aug 31 21:31:11.386 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Aug 31 21:31:11.386 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 21:31:11.386 INFO kablam! 
Aug 31 21:31:11.416 INFO kablam! warning: unnecessary parentheses around method argument
Aug 31 21:31:11.416 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Aug 31 21:31:11.416 INFO kablam!     |
Aug 31 21:31:11.416 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Aug 31 21:31:11.416 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Aug 31 21:31:11.416 INFO kablam!     |
Aug 31 21:31:11.416 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 31 21:31:11.416 INFO kablam! 
Aug 31 21:31:11.418 INFO kablam! warning: doc comment not used by rustdoc
Aug 31 21:31:11.418 INFO kablam!    --> src/main.rs:242:9
Aug 31 21:31:11.418 INFO kablam!     |
Aug 31 21:31:11.418 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Aug 31 21:31:11.418 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 21:31:11.418 INFO kablam!     |
Aug 31 21:31:11.418 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Aug 31 21:31:11.418 INFO kablam! 
Aug 31 21:31:11.418 INFO kablam! warning: doc comment not used by rustdoc
Aug 31 21:31:11.418 INFO kablam!    --> src/main.rs:245:9
Aug 31 21:31:11.418 INFO kablam!     |
Aug 31 21:31:11.418 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Aug 31 21:31:11.418 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 21:31:11.418 INFO kablam! 
Aug 31 21:31:12.999 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:31:12.999 INFO kablam!    --> src/arguments/mod.rs:553:9
Aug 31 21:31:12.999 INFO kablam!     |
Aug 31 21:31:12.999 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Aug 31 21:31:12.999 INFO kablam!     |         ----^^^^^^^^^^^
Aug 31 21:31:12.999 INFO kablam!     |         |
Aug 31 21:31:12.999 INFO kablam!     |         help: remove this `mut`
Aug 31 21:31:12.999 INFO kablam!     |
Aug 31 21:31:12.999 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 21:31:12.999 INFO kablam! 
Aug 31 21:31:13.119 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:31:13.119 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Aug 31 21:31:13.119 INFO kablam!    |
Aug 31 21:31:13.119 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Aug 31 21:31:13.119 INFO kablam!    |             ----^^^^^^^^^^^^^^
Aug 31 21:31:13.119 INFO kablam!    |             |
Aug 31 21:31:13.119 INFO kablam!    |             help: remove this `mut`
Aug 31 21:31:13.119 INFO kablam! 
Aug 31 21:31:13.211 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:31:13.211 INFO kablam!    --> src/arguments/mod.rs:553:9
Aug 31 21:31:13.211 INFO kablam!     |
Aug 31 21:31:13.211 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Aug 31 21:31:13.211 INFO kablam!     |         ----^^^^^^^^^^^
Aug 31 21:31:13.212 INFO kablam!     |         |
Aug 31 21:31:13.212 INFO kablam!     |         help: remove this `mut`
Aug 31 21:31:13.212 INFO kablam!     |
Aug 31 21:31:13.212 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 21:31:13.212 INFO kablam! 
Aug 31 21:31:13.240 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:31:13.240 INFO kablam!   --> src/execute/pipe.rs:41:17
Aug 31 21:31:13.240 INFO kablam!    |
Aug 31 21:31:13.240 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Aug 31 21:31:13.240 INFO kablam!    |                 ----^^^^^^
Aug 31 21:31:13.240 INFO kablam!    |                 |
Aug 31 21:31:13.240 INFO kablam!    |                 help: remove this `mut`
Aug 31 21:31:13.240 INFO kablam! 
Aug 31 21:31:13.375 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:31:13.375 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Aug 31 21:31:13.375 INFO kablam!    |
Aug 31 21:31:13.375 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Aug 31 21:31:13.375 INFO kablam!    |             ----^^^^^^^^^^^^^^
Aug 31 21:31:13.375 INFO kablam!    |             |
Aug 31 21:31:13.375 INFO kablam!    |             help: remove this `mut`
Aug 31 21:31:13.376 INFO kablam! 
Aug 31 21:31:13.546 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:31:13.546 INFO kablam!   --> src/execute/pipe.rs:41:17
Aug 31 21:31:13.546 INFO kablam!    |
Aug 31 21:31:13.546 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Aug 31 21:31:13.546 INFO kablam!    |                 ----^^^^^^
Aug 31 21:31:13.547 INFO kablam!    |                 |
Aug 31 21:31:13.547 INFO kablam!    |                 help: remove this `mut`
Aug 31 21:31:13.547 INFO kablam! 
Aug 31 21:31:13.793 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
Aug 31 21:31:13.797 INFO kablam! su: No module specific data is present
Aug 31 21:31:14.359 INFO running `"docker" "rm" "-f" "c7e8c4bcd8d9b4334c73d5469668026ff839eace7f86f8f0c38959193566aad8"`
Aug 31 21:31:14.530 INFO blam! c7e8c4bcd8d9b4334c73d5469668026ff839eace7f86f8f0c38959193566aad8