Sep 01 11:51:23.450 INFO checking parallel-0.11.3 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 11:51:23.450 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 11:51:23.450 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"`
Sep 01 11:51:23.603 INFO blam! b550f68797c20b4c49f512b211a16858f7daecbceaf005bd0de1f7bed2c156d1
Sep 01 11:51:23.605 INFO running `"docker" "start" "-a" "b550f68797c20b4c49f512b211a16858f7daecbceaf005bd0de1f7bed2c156d1"`
Sep 01 11:51:24.172 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Sep 01 11:51:24.819 INFO kablam! warning: doc comment not used by rustdoc
Sep 01 11:51:24.820 INFO kablam!    --> src/main.rs:242:9
Sep 01 11:51:24.820 INFO kablam!     |
Sep 01 11:51:24.820 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 01 11:51:24.820 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:51:24.820 INFO kablam!     |
Sep 01 11:51:24.820 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 01 11:51:24.820 INFO kablam! 
Sep 01 11:51:24.820 INFO kablam! warning: doc comment not used by rustdoc
Sep 01 11:51:24.820 INFO kablam!    --> src/main.rs:245:9
Sep 01 11:51:24.820 INFO kablam!     |
Sep 01 11:51:24.820 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 01 11:51:24.820 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:51:24.820 INFO kablam! 
Sep 01 11:51:24.985 INFO kablam! warning: unnecessary parentheses around method argument
Sep 01 11:51:24.985 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Sep 01 11:51:24.985 INFO kablam!     |
Sep 01 11:51:24.985 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Sep 01 11:51:24.985 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Sep 01 11:51:24.985 INFO kablam!     |
Sep 01 11:51:24.985 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 01 11:51:24.985 INFO kablam! 
Sep 01 11:51:24.987 INFO kablam! warning: doc comment not used by rustdoc
Sep 01 11:51:24.988 INFO kablam!    --> src/main.rs:242:9
Sep 01 11:51:24.988 INFO kablam!     |
Sep 01 11:51:24.988 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 01 11:51:24.988 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:51:24.988 INFO kablam!     |
Sep 01 11:51:24.988 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 01 11:51:24.988 INFO kablam! 
Sep 01 11:51:24.988 INFO kablam! warning: doc comment not used by rustdoc
Sep 01 11:51:24.988 INFO kablam!    --> src/main.rs:245:9
Sep 01 11:51:24.988 INFO kablam!     |
Sep 01 11:51:24.988 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 01 11:51:24.988 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:51:24.988 INFO kablam! 
Sep 01 11:51:26.124 INFO kablam! warning: variable does not need to be mutable
Sep 01 11:51:26.124 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 01 11:51:26.124 INFO kablam!     |
Sep 01 11:51:26.124 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 01 11:51:26.124 INFO kablam!     |         ----^^^^^^^^^^^
Sep 01 11:51:26.124 INFO kablam!     |         |
Sep 01 11:51:26.124 INFO kablam!     |         help: remove this `mut`
Sep 01 11:51:26.124 INFO kablam!     |
Sep 01 11:51:26.124 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 11:51:26.124 INFO kablam! 
Sep 01 11:51:26.231 INFO kablam! warning: variable does not need to be mutable
Sep 01 11:51:26.231 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 01 11:51:26.231 INFO kablam!    |
Sep 01 11:51:26.231 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 01 11:51:26.231 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 01 11:51:26.231 INFO kablam!    |             |
Sep 01 11:51:26.231 INFO kablam!    |             help: remove this `mut`
Sep 01 11:51:26.231 INFO kablam! 
Sep 01 11:51:26.338 INFO kablam! warning: variable does not need to be mutable
Sep 01 11:51:26.338 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 01 11:51:26.338 INFO kablam!    |
Sep 01 11:51:26.338 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 01 11:51:26.338 INFO kablam!    |                 ----^^^^^^
Sep 01 11:51:26.338 INFO kablam!    |                 |
Sep 01 11:51:26.338 INFO kablam!    |                 help: remove this `mut`
Sep 01 11:51:26.339 INFO kablam! 
Sep 01 11:51:26.522 INFO kablam! warning: variable does not need to be mutable
Sep 01 11:51:26.522 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 01 11:51:26.522 INFO kablam!     |
Sep 01 11:51:26.522 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 01 11:51:26.522 INFO kablam!     |         ----^^^^^^^^^^^
Sep 01 11:51:26.522 INFO kablam!     |         |
Sep 01 11:51:26.522 INFO kablam!     |         help: remove this `mut`
Sep 01 11:51:26.522 INFO kablam!     |
Sep 01 11:51:26.523 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 11:51:26.523 INFO kablam! 
Sep 01 11:51:26.638 INFO kablam! warning: variable does not need to be mutable
Sep 01 11:51:26.638 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 01 11:51:26.639 INFO kablam!    |
Sep 01 11:51:26.639 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 01 11:51:26.639 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 01 11:51:26.639 INFO kablam!    |             |
Sep 01 11:51:26.639 INFO kablam!    |             help: remove this `mut`
Sep 01 11:51:26.639 INFO kablam! 
Sep 01 11:51:26.708 INFO kablam! warning: variable does not need to be mutable
Sep 01 11:51:26.708 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 01 11:51:26.708 INFO kablam!    |
Sep 01 11:51:26.708 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 01 11:51:26.708 INFO kablam!    |                 ----^^^^^^
Sep 01 11:51:26.708 INFO kablam!    |                 |
Sep 01 11:51:26.708 INFO kablam!    |                 help: remove this `mut`
Sep 01 11:51:26.708 INFO kablam! 
Sep 01 11:51:26.844 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Sep 01 11:51:26.848 INFO kablam! su: No module specific data is present
Sep 01 11:51:27.602 INFO running `"docker" "rm" "-f" "b550f68797c20b4c49f512b211a16858f7daecbceaf005bd0de1f7bed2c156d1"`
Sep 01 11:51:27.689 INFO blam! b550f68797c20b4c49f512b211a16858f7daecbceaf005bd0de1f7bed2c156d1