Sep 03 17:25:19.340 INFO checking mmstick/parallel against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 03 17:25:19.340 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 03 17:25:19.340 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 17:25:19.558 INFO blam! 4515db28d2fd44f01a2569400ab7a25e0ecafebae632fc4ff5bc57f8b3f6a061
Sep 03 17:25:19.560 INFO running `"docker" "start" "-a" "4515db28d2fd44f01a2569400ab7a25e0ecafebae632fc4ff5bc57f8b3f6a061"`
Sep 03 17:25:20.265 INFO kablam!     Checking libc v0.2.23
Sep 03 17:25:20.265 INFO kablam!     Checking permutate v0.3.2
Sep 03 17:25:20.265 INFO kablam!     Checking numtoa v0.0.7
Sep 03 17:25:20.265 INFO kablam!    Compiling sys-info v0.5.0
Sep 03 17:25:20.265 INFO kablam!     Checking arrayvec v0.4.6
Sep 03 17:25:22.122 INFO kablam!     Checking time v0.1.37
Sep 03 17:25:22.122 INFO kablam!     Checking num_cpus v1.5.1
Sep 03 17:25:22.122 INFO kablam!     Checking wait-timeout v0.1.5
Sep 03 17:25:23.710 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Sep 03 17:25:24.113 INFO kablam! warning: doc comment not used by rustdoc
Sep 03 17:25:24.113 INFO kablam!    --> src/main.rs:242:9
Sep 03 17:25:24.113 INFO kablam!     |
Sep 03 17:25:24.113 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 03 17:25:24.113 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 17:25:24.113 INFO kablam!     |
Sep 03 17:25:24.113 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 03 17:25:24.113 INFO kablam! 
Sep 03 17:25:24.114 INFO kablam! warning: doc comment not used by rustdoc
Sep 03 17:25:24.114 INFO kablam!    --> src/main.rs:245:9
Sep 03 17:25:24.114 INFO kablam!     |
Sep 03 17:25:24.114 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 03 17:25:24.114 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 17:25:24.114 INFO kablam! 
Sep 03 17:25:24.228 INFO kablam! warning: unnecessary parentheses around method argument
Sep 03 17:25:24.228 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Sep 03 17:25:24.229 INFO kablam!     |
Sep 03 17:25:24.229 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Sep 03 17:25:24.229 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Sep 03 17:25:24.229 INFO kablam!     |
Sep 03 17:25:24.230 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 03 17:25:24.230 INFO kablam! 
Sep 03 17:25:24.234 INFO kablam! warning: doc comment not used by rustdoc
Sep 03 17:25:24.234 INFO kablam!    --> src/main.rs:242:9
Sep 03 17:25:24.234 INFO kablam!     |
Sep 03 17:25:24.234 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 03 17:25:24.234 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 17:25:24.238 INFO kablam!     |
Sep 03 17:25:24.239 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 03 17:25:24.239 INFO kablam! 
Sep 03 17:25:24.240 INFO kablam! warning: doc comment not used by rustdoc
Sep 03 17:25:24.240 INFO kablam!    --> src/main.rs:245:9
Sep 03 17:25:24.240 INFO kablam!     |
Sep 03 17:25:24.240 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 03 17:25:24.240 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 17:25:24.240 INFO kablam! 
Sep 03 17:25:25.947 INFO kablam! warning: variable does not need to be mutable
Sep 03 17:25:25.947 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 03 17:25:25.948 INFO kablam!     |
Sep 03 17:25:25.948 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 03 17:25:25.948 INFO kablam!     |         ----^^^^^^^^^^^
Sep 03 17:25:25.948 INFO kablam!     |         |
Sep 03 17:25:25.948 INFO kablam!     |         help: remove this `mut`
Sep 03 17:25:25.948 INFO kablam!     |
Sep 03 17:25:25.948 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 03 17:25:25.948 INFO kablam! 
Sep 03 17:25:26.088 INFO kablam! warning: variable does not need to be mutable
Sep 03 17:25:26.088 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 03 17:25:26.088 INFO kablam!    |
Sep 03 17:25:26.088 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 03 17:25:26.088 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 03 17:25:26.088 INFO kablam!    |             |
Sep 03 17:25:26.088 INFO kablam!    |             help: remove this `mut`
Sep 03 17:25:26.088 INFO kablam! 
Sep 03 17:25:26.250 INFO kablam! warning: variable does not need to be mutable
Sep 03 17:25:26.250 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 03 17:25:26.250 INFO kablam!    |
Sep 03 17:25:26.250 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 03 17:25:26.250 INFO kablam!    |                 ----^^^^^^
Sep 03 17:25:26.250 INFO kablam!    |                 |
Sep 03 17:25:26.250 INFO kablam!    |                 help: remove this `mut`
Sep 03 17:25:26.250 INFO kablam! 
Sep 03 17:25:26.337 INFO kablam! warning: variable does not need to be mutable
Sep 03 17:25:26.337 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 03 17:25:26.337 INFO kablam!     |
Sep 03 17:25:26.337 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 03 17:25:26.337 INFO kablam!     |         ----^^^^^^^^^^^
Sep 03 17:25:26.337 INFO kablam!     |         |
Sep 03 17:25:26.337 INFO kablam!     |         help: remove this `mut`
Sep 03 17:25:26.338 INFO kablam!     |
Sep 03 17:25:26.338 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 03 17:25:26.338 INFO kablam! 
Sep 03 17:25:26.565 INFO kablam! warning: variable does not need to be mutable
Sep 03 17:25:26.565 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 03 17:25:26.565 INFO kablam!    |
Sep 03 17:25:26.565 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 03 17:25:26.565 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 03 17:25:26.565 INFO kablam!    |             |
Sep 03 17:25:26.565 INFO kablam!    |             help: remove this `mut`
Sep 03 17:25:26.565 INFO kablam! 
Sep 03 17:25:26.706 INFO kablam! warning: variable does not need to be mutable
Sep 03 17:25:26.706 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 03 17:25:26.706 INFO kablam!    |
Sep 03 17:25:26.706 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 03 17:25:26.706 INFO kablam!    |                 ----^^^^^^
Sep 03 17:25:26.706 INFO kablam!    |                 |
Sep 03 17:25:26.706 INFO kablam!    |                 help: remove this `mut`
Sep 03 17:25:26.706 INFO kablam! 
Sep 03 17:25:26.996 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.78s
Sep 03 17:25:27.002 INFO kablam! su: No module specific data is present
Sep 03 17:25:27.536 INFO running `"docker" "rm" "-f" "4515db28d2fd44f01a2569400ab7a25e0ecafebae632fc4ff5bc57f8b3f6a061"`
Sep 03 17:25:27.706 INFO blam! 4515db28d2fd44f01a2569400ab7a25e0ecafebae632fc4ff5bc57f8b3f6a061