Jul 11 14:04:23.716 INFO checking mmstick/parallel against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 11 14:04:23.716 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 11 14:04:23.716 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 11 14:04:23.717 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-2/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 14:04:23.960 INFO blam! 742c400dab300bb7872a12837d2563af32f8db8a4cae514caf08605f0298e9aa
Jul 11 14:04:23.961 INFO running `"docker" "start" "-a" "742c400dab300bb7872a12837d2563af32f8db8a4cae514caf08605f0298e9aa"`
Jul 11 14:04:24.948 INFO kablam!     Checking libc v0.2.23
Jul 11 14:04:24.948 INFO kablam!     Checking permutate v0.3.2
Jul 11 14:04:24.948 INFO kablam!     Checking numtoa v0.0.7
Jul 11 14:04:24.948 INFO kablam!    Compiling sys-info v0.5.0
Jul 11 14:04:24.963 INFO kablam!     Checking arrayvec v0.4.6
Jul 11 14:04:31.042 INFO kablam!     Checking num_cpus v1.5.1
Jul 11 14:04:31.042 INFO kablam!     Checking time v0.1.37
Jul 11 14:04:31.042 INFO kablam!     Checking wait-timeout v0.1.5
Jul 11 14:04:33.568 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Jul 11 14:04:34.362 INFO kablam! warning: unnecessary parentheses around method argument
Jul 11 14:04:34.362 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Jul 11 14:04:34.362 INFO kablam!     |
Jul 11 14:04:34.362 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Jul 11 14:04:34.362 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Jul 11 14:04:34.362 INFO kablam!     |
Jul 11 14:04:34.362 INFO kablam!     = note: #[warn(unused_parens)] on by default
Jul 11 14:04:34.362 INFO kablam! 
Jul 11 14:04:34.377 INFO kablam! warning: doc comment not used by rustdoc
Jul 11 14:04:34.377 INFO kablam!    --> src/main.rs:242:9
Jul 11 14:04:34.377 INFO kablam!     |
Jul 11 14:04:34.377 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Jul 11 14:04:34.377 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 11 14:04:34.377 INFO kablam!     |
Jul 11 14:04:34.377 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Jul 11 14:04:34.377 INFO kablam! 
Jul 11 14:04:34.378 INFO kablam! warning: doc comment not used by rustdoc
Jul 11 14:04:34.378 INFO kablam!    --> src/main.rs:245:9
Jul 11 14:04:34.378 INFO kablam!     |
Jul 11 14:04:34.378 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Jul 11 14:04:34.378 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 11 14:04:34.378 INFO kablam! 
Jul 11 14:04:34.427 INFO kablam! warning: doc comment not used by rustdoc
Jul 11 14:04:34.427 INFO kablam!    --> src/main.rs:242:9
Jul 11 14:04:34.427 INFO kablam!     |
Jul 11 14:04:34.427 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Jul 11 14:04:34.428 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 11 14:04:34.428 INFO kablam!     |
Jul 11 14:04:34.428 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Jul 11 14:04:34.428 INFO kablam! 
Jul 11 14:04:34.428 INFO kablam! warning: doc comment not used by rustdoc
Jul 11 14:04:34.428 INFO kablam!    --> src/main.rs:245:9
Jul 11 14:04:34.428 INFO kablam!     |
Jul 11 14:04:34.428 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Jul 11 14:04:34.428 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 11 14:04:34.428 INFO kablam! 
Jul 11 14:04:37.404 INFO kablam! warning: variable does not need to be mutable
Jul 11 14:04:37.404 INFO kablam!    --> src/arguments/mod.rs:553:9
Jul 11 14:04:37.404 INFO kablam!     |
Jul 11 14:04:37.404 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Jul 11 14:04:37.405 INFO kablam!     |         ----^^^^^^^^^^^
Jul 11 14:04:37.405 INFO kablam!     |         |
Jul 11 14:04:37.405 INFO kablam!     |         help: remove this `mut`
Jul 11 14:04:37.405 INFO kablam!     |
Jul 11 14:04:37.405 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 11 14:04:37.405 INFO kablam! 
Jul 11 14:04:37.639 INFO kablam! warning: variable does not need to be mutable
Jul 11 14:04:37.639 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Jul 11 14:04:37.640 INFO kablam!    |
Jul 11 14:04:37.640 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Jul 11 14:04:37.640 INFO kablam!    |             ----^^^^^^^^^^^^^^
Jul 11 14:04:37.640 INFO kablam!    |             |
Jul 11 14:04:37.640 INFO kablam!    |             help: remove this `mut`
Jul 11 14:04:37.640 INFO kablam! 
Jul 11 14:04:37.881 INFO kablam! warning: variable does not need to be mutable
Jul 11 14:04:37.881 INFO kablam!   --> src/execute/pipe.rs:41:17
Jul 11 14:04:37.881 INFO kablam!    |
Jul 11 14:04:37.881 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Jul 11 14:04:37.881 INFO kablam!    |                 ----^^^^^^
Jul 11 14:04:37.881 INFO kablam!    |                 |
Jul 11 14:04:37.881 INFO kablam!    |                 help: remove this `mut`
Jul 11 14:04:37.881 INFO kablam! 
Jul 11 14:04:37.948 INFO kablam! warning: variable does not need to be mutable
Jul 11 14:04:37.949 INFO kablam!    --> src/arguments/mod.rs:553:9
Jul 11 14:04:37.949 INFO kablam!     |
Jul 11 14:04:37.949 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Jul 11 14:04:37.949 INFO kablam!     |         ----^^^^^^^^^^^
Jul 11 14:04:37.949 INFO kablam!     |         |
Jul 11 14:04:37.949 INFO kablam!     |         help: remove this `mut`
Jul 11 14:04:37.958 INFO kablam!     |
Jul 11 14:04:37.958 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 11 14:04:37.958 INFO kablam! 
Jul 11 14:04:38.384 INFO kablam! warning: variable does not need to be mutable
Jul 11 14:04:38.385 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Jul 11 14:04:38.385 INFO kablam!    |
Jul 11 14:04:38.385 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Jul 11 14:04:38.385 INFO kablam!    |             ----^^^^^^^^^^^^^^
Jul 11 14:04:38.385 INFO kablam!    |             |
Jul 11 14:04:38.385 INFO kablam!    |             help: remove this `mut`
Jul 11 14:04:38.385 INFO kablam! 
Jul 11 14:04:38.518 INFO kablam! warning: variable does not need to be mutable
Jul 11 14:04:38.518 INFO kablam!   --> src/execute/pipe.rs:41:17
Jul 11 14:04:38.518 INFO kablam!    |
Jul 11 14:04:38.518 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Jul 11 14:04:38.518 INFO kablam!    |                 ----^^^^^^
Jul 11 14:04:38.518 INFO kablam!    |                 |
Jul 11 14:04:38.518 INFO kablam!    |                 help: remove this `mut`
Jul 11 14:04:38.519 INFO kablam! 
Jul 11 14:04:38.798 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.94s
Jul 11 14:04:38.803 INFO kablam! su: No module specific data is present
Jul 11 14:04:39.387 INFO running `"docker" "rm" "-f" "742c400dab300bb7872a12837d2563af32f8db8a4cae514caf08605f0298e9aa"`
Jul 11 14:04:39.550 INFO blam! 742c400dab300bb7872a12837d2563af32f8db8a4cae514caf08605f0298e9aa