Aug 29 18:07:01.931 INFO checking mmstick/parallel against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 29 18:07:01.931 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 29 18:07:01.931 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 18:07:02.118 INFO blam! 2e83b680c03374d5d3381cd860c5ee5a87689c75473af849e0005cf57e2707bc
Aug 29 18:07:02.120 INFO running `"docker" "start" "-a" "2e83b680c03374d5d3381cd860c5ee5a87689c75473af849e0005cf57e2707bc"`
Aug 29 18:07:02.752 INFO kablam!     Checking smallvec v0.6.0
Aug 29 18:07:02.752 INFO kablam!     Checking permutate v0.3.2
Aug 29 18:07:02.752 INFO kablam!     Checking numtoa v0.0.7
Aug 29 18:07:02.754 INFO kablam!    Compiling sys-info v0.5.0
Aug 29 18:07:02.755 INFO kablam!     Checking wait-timeout v0.1.5
Aug 29 18:07:02.755 INFO kablam!     Checking time v0.1.37
Aug 29 18:07:02.755 INFO kablam!     Checking num_cpus v1.5.1
Aug 29 18:07:02.755 INFO kablam!     Checking arrayvec v0.4.6
Aug 29 18:07:04.944 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Aug 29 18:07:05.318 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 18:07:05.318 INFO kablam!    --> src/main.rs:242:9
Aug 29 18:07:05.318 INFO kablam!     |
Aug 29 18:07:05.318 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Aug 29 18:07:05.318 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 18:07:05.318 INFO kablam!     |
Aug 29 18:07:05.319 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Aug 29 18:07:05.319 INFO kablam! 
Aug 29 18:07:05.319 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 18:07:05.319 INFO kablam!    --> src/main.rs:245:9
Aug 29 18:07:05.319 INFO kablam!     |
Aug 29 18:07:05.319 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Aug 29 18:07:05.319 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 18:07:05.319 INFO kablam! 
Aug 29 18:07:05.392 INFO kablam! warning: unnecessary parentheses around method argument
Aug 29 18:07:05.392 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Aug 29 18:07:05.392 INFO kablam!     |
Aug 29 18:07:05.392 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Aug 29 18:07:05.392 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Aug 29 18:07:05.392 INFO kablam!     |
Aug 29 18:07:05.392 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 29 18:07:05.392 INFO kablam! 
Aug 29 18:07:05.395 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 18:07:05.395 INFO kablam!    --> src/main.rs:242:9
Aug 29 18:07:05.395 INFO kablam!     |
Aug 29 18:07:05.395 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Aug 29 18:07:05.395 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 18:07:05.395 INFO kablam!     |
Aug 29 18:07:05.395 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Aug 29 18:07:05.395 INFO kablam! 
Aug 29 18:07:05.395 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 18:07:05.395 INFO kablam!    --> src/main.rs:245:9
Aug 29 18:07:05.395 INFO kablam!     |
Aug 29 18:07:05.396 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Aug 29 18:07:05.396 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 18:07:05.396 INFO kablam! 
Aug 29 18:07:06.867 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:07:06.867 INFO kablam!    --> src/arguments/mod.rs:553:9
Aug 29 18:07:06.867 INFO kablam!     |
Aug 29 18:07:06.867 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Aug 29 18:07:06.867 INFO kablam!     |         ----^^^^^^^^^^^
Aug 29 18:07:06.867 INFO kablam!     |         |
Aug 29 18:07:06.867 INFO kablam!     |         help: remove this `mut`
Aug 29 18:07:06.867 INFO kablam!     |
Aug 29 18:07:06.867 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 29 18:07:06.867 INFO kablam! 
Aug 29 18:07:06.993 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:07:06.993 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Aug 29 18:07:06.993 INFO kablam!    |
Aug 29 18:07:06.993 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Aug 29 18:07:06.993 INFO kablam!    |             ----^^^^^^^^^^^^^^
Aug 29 18:07:06.993 INFO kablam!    |             |
Aug 29 18:07:06.993 INFO kablam!    |             help: remove this `mut`
Aug 29 18:07:06.993 INFO kablam! 
Aug 29 18:07:07.101 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:07:07.101 INFO kablam!   --> src/execute/pipe.rs:41:17
Aug 29 18:07:07.101 INFO kablam!    |
Aug 29 18:07:07.101 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Aug 29 18:07:07.101 INFO kablam!    |                 ----^^^^^^
Aug 29 18:07:07.101 INFO kablam!    |                 |
Aug 29 18:07:07.101 INFO kablam!    |                 help: remove this `mut`
Aug 29 18:07:07.101 INFO kablam! 
Aug 29 18:07:07.105 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:07:07.105 INFO kablam!    --> src/arguments/mod.rs:553:9
Aug 29 18:07:07.105 INFO kablam!     |
Aug 29 18:07:07.105 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Aug 29 18:07:07.105 INFO kablam!     |         ----^^^^^^^^^^^
Aug 29 18:07:07.105 INFO kablam!     |         |
Aug 29 18:07:07.105 INFO kablam!     |         help: remove this `mut`
Aug 29 18:07:07.105 INFO kablam!     |
Aug 29 18:07:07.105 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 29 18:07:07.105 INFO kablam! 
Aug 29 18:07:07.219 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:07:07.219 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Aug 29 18:07:07.219 INFO kablam!    |
Aug 29 18:07:07.219 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Aug 29 18:07:07.219 INFO kablam!    |             ----^^^^^^^^^^^^^^
Aug 29 18:07:07.219 INFO kablam!    |             |
Aug 29 18:07:07.219 INFO kablam!    |             help: remove this `mut`
Aug 29 18:07:07.219 INFO kablam! 
Aug 29 18:07:07.291 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:07:07.291 INFO kablam!   --> src/execute/pipe.rs:41:17
Aug 29 18:07:07.291 INFO kablam!    |
Aug 29 18:07:07.291 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Aug 29 18:07:07.291 INFO kablam!    |                 ----^^^^^^
Aug 29 18:07:07.291 INFO kablam!    |                 |
Aug 29 18:07:07.291 INFO kablam!    |                 help: remove this `mut`
Aug 29 18:07:07.291 INFO kablam! 
Aug 29 18:07:07.485 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
Aug 29 18:07:07.488 INFO kablam! su: No module specific data is present
Aug 29 18:07:07.826 INFO running `"docker" "rm" "-f" "2e83b680c03374d5d3381cd860c5ee5a87689c75473af849e0005cf57e2707bc"`
Aug 29 18:07:07.951 INFO blam! 2e83b680c03374d5d3381cd860c5ee5a87689c75473af849e0005cf57e2707bc