Aug 31 19:13:23.201 INFO checking parallel-0.11.3 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 19:13:23.201 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 19:13:23.201 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 19:13:23.405 INFO blam! 3ed0fe62a9081d1ad16902cdc02d4516e0f6820c4c50e98ca85cb3c94b3f04da
Aug 31 19:13:23.407 INFO running `"docker" "start" "-a" "3ed0fe62a9081d1ad16902cdc02d4516e0f6820c4c50e98ca85cb3c94b3f04da"`
Aug 31 19:13:24.010 INFO kablam!     Checking numtoa v0.0.7
Aug 31 19:13:24.010 INFO kablam!     Checking permutate v0.3.2
Aug 31 19:13:24.010 INFO kablam!    Compiling sys-info v0.4.1
Aug 31 19:13:25.203 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Aug 31 19:13:25.704 INFO kablam! warning: doc comment not used by rustdoc
Aug 31 19:13:25.704 INFO kablam!    --> src/main.rs:242:9
Aug 31 19:13:25.704 INFO kablam!     |
Aug 31 19:13:25.704 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Aug 31 19:13:25.704 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:13:25.704 INFO kablam!     |
Aug 31 19:13:25.704 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Aug 31 19:13:25.704 INFO kablam! 
Aug 31 19:13:25.704 INFO kablam! warning: doc comment not used by rustdoc
Aug 31 19:13:25.704 INFO kablam!    --> src/main.rs:245:9
Aug 31 19:13:25.704 INFO kablam!     |
Aug 31 19:13:25.705 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Aug 31 19:13:25.705 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:13:25.705 INFO kablam! 
Aug 31 19:13:25.841 INFO kablam! warning: unnecessary parentheses around method argument
Aug 31 19:13:25.841 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Aug 31 19:13:25.841 INFO kablam!     |
Aug 31 19:13:25.841 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Aug 31 19:13:25.841 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Aug 31 19:13:25.841 INFO kablam!     |
Aug 31 19:13:25.842 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 31 19:13:25.842 INFO kablam! 
Aug 31 19:13:25.844 INFO kablam! warning: doc comment not used by rustdoc
Aug 31 19:13:25.844 INFO kablam!    --> src/main.rs:242:9
Aug 31 19:13:25.844 INFO kablam!     |
Aug 31 19:13:25.845 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Aug 31 19:13:25.845 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:13:25.845 INFO kablam!     |
Aug 31 19:13:25.845 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Aug 31 19:13:25.845 INFO kablam! 
Aug 31 19:13:25.845 INFO kablam! warning: doc comment not used by rustdoc
Aug 31 19:13:25.845 INFO kablam!    --> src/main.rs:245:9
Aug 31 19:13:25.845 INFO kablam!     |
Aug 31 19:13:25.845 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Aug 31 19:13:25.845 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:13:25.845 INFO kablam! 
Aug 31 19:13:27.427 INFO kablam! warning: variable does not need to be mutable
Aug 31 19:13:27.427 INFO kablam!    --> src/arguments/mod.rs:553:9
Aug 31 19:13:27.427 INFO kablam!     |
Aug 31 19:13:27.427 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Aug 31 19:13:27.427 INFO kablam!     |         ----^^^^^^^^^^^
Aug 31 19:13:27.427 INFO kablam!     |         |
Aug 31 19:13:27.427 INFO kablam!     |         help: remove this `mut`
Aug 31 19:13:27.427 INFO kablam!     |
Aug 31 19:13:27.427 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 19:13:27.427 INFO kablam! 
Aug 31 19:13:27.564 INFO kablam! warning: variable does not need to be mutable
Aug 31 19:13:27.564 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Aug 31 19:13:27.564 INFO kablam!    |
Aug 31 19:13:27.564 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Aug 31 19:13:27.564 INFO kablam!    |             ----^^^^^^^^^^^^^^
Aug 31 19:13:27.564 INFO kablam!    |             |
Aug 31 19:13:27.564 INFO kablam!    |             help: remove this `mut`
Aug 31 19:13:27.564 INFO kablam! 
Aug 31 19:13:27.694 INFO kablam! warning: variable does not need to be mutable
Aug 31 19:13:27.694 INFO kablam!   --> src/execute/pipe.rs:41:17
Aug 31 19:13:27.694 INFO kablam!    |
Aug 31 19:13:27.694 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Aug 31 19:13:27.694 INFO kablam!    |                 ----^^^^^^
Aug 31 19:13:27.694 INFO kablam!    |                 |
Aug 31 19:13:27.694 INFO kablam!    |                 help: remove this `mut`
Aug 31 19:13:27.694 INFO kablam! 
Aug 31 19:13:27.838 INFO kablam! warning: variable does not need to be mutable
Aug 31 19:13:27.838 INFO kablam!    --> src/arguments/mod.rs:553:9
Aug 31 19:13:27.838 INFO kablam!     |
Aug 31 19:13:27.838 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Aug 31 19:13:27.838 INFO kablam!     |         ----^^^^^^^^^^^
Aug 31 19:13:27.838 INFO kablam!     |         |
Aug 31 19:13:27.838 INFO kablam!     |         help: remove this `mut`
Aug 31 19:13:27.838 INFO kablam!     |
Aug 31 19:13:27.838 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 19:13:27.838 INFO kablam! 
Aug 31 19:13:27.945 INFO kablam! warning: variable does not need to be mutable
Aug 31 19:13:27.945 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Aug 31 19:13:27.945 INFO kablam!    |
Aug 31 19:13:27.945 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Aug 31 19:13:27.945 INFO kablam!    |             ----^^^^^^^^^^^^^^
Aug 31 19:13:27.946 INFO kablam!    |             |
Aug 31 19:13:27.946 INFO kablam!    |             help: remove this `mut`
Aug 31 19:13:27.946 INFO kablam! 
Aug 31 19:13:28.019 INFO kablam! warning: variable does not need to be mutable
Aug 31 19:13:28.019 INFO kablam!   --> src/execute/pipe.rs:41:17
Aug 31 19:13:28.019 INFO kablam!    |
Aug 31 19:13:28.019 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Aug 31 19:13:28.019 INFO kablam!    |                 ----^^^^^^
Aug 31 19:13:28.020 INFO kablam!    |                 |
Aug 31 19:13:28.020 INFO kablam!    |                 help: remove this `mut`
Aug 31 19:13:28.020 INFO kablam! 
Aug 31 19:13:28.166 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
Aug 31 19:13:28.173 INFO kablam! su: No module specific data is present
Aug 31 19:13:28.592 INFO running `"docker" "rm" "-f" "3ed0fe62a9081d1ad16902cdc02d4516e0f6820c4c50e98ca85cb3c94b3f04da"`
Aug 31 19:13:28.701 INFO blam! 3ed0fe62a9081d1ad16902cdc02d4516e0f6820c4c50e98ca85cb3c94b3f04da