Sep 03 21:22:06.941 INFO checking mmstick/parallel against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 03 21:22:06.941 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 03 21:22:06.941 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 21:22:07.106 INFO blam! c0942ed6a295f466c77b8d9853aa05842e3c1a4e4e0edbebf01f37654fa47ef6
Sep 03 21:22:07.109 INFO running `"docker" "start" "-a" "c0942ed6a295f466c77b8d9853aa05842e3c1a4e4e0edbebf01f37654fa47ef6"`
Sep 03 21:22:07.829 INFO kablam!     Checking permutate v0.3.2
Sep 03 21:22:07.829 INFO kablam!     Checking numtoa v0.0.7
Sep 03 21:22:07.830 INFO kablam!    Compiling sys-info v0.5.0
Sep 03 21:22:07.830 INFO kablam!     Checking wait-timeout v0.1.5
Sep 03 21:22:07.831 INFO kablam!     Checking time v0.1.37
Sep 03 21:22:07.831 INFO kablam!     Checking num_cpus v1.5.1
Sep 03 21:22:07.831 INFO kablam!     Checking arrayvec v0.4.6
Sep 03 21:22:09.658 INFO kablam!     Checking parallel v0.11.3 (file:///source)
Sep 03 21:22:09.959 INFO kablam! warning: doc comment not used by rustdoc
Sep 03 21:22:09.959 INFO kablam!    --> src/main.rs:242:9
Sep 03 21:22:09.959 INFO kablam!     |
Sep 03 21:22:09.959 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 03 21:22:09.959 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 21:22:09.960 INFO kablam!     |
Sep 03 21:22:09.960 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 03 21:22:09.960 INFO kablam! 
Sep 03 21:22:09.960 INFO kablam! warning: doc comment not used by rustdoc
Sep 03 21:22:09.960 INFO kablam!    --> src/main.rs:245:9
Sep 03 21:22:09.960 INFO kablam!     |
Sep 03 21:22:09.960 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 03 21:22:09.960 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 21:22:09.960 INFO kablam! 
Sep 03 21:22:10.014 INFO kablam! warning: unnecessary parentheses around method argument
Sep 03 21:22:10.014 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Sep 03 21:22:10.014 INFO kablam!     |
Sep 03 21:22:10.014 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Sep 03 21:22:10.014 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Sep 03 21:22:10.014 INFO kablam!     |
Sep 03 21:22:10.014 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 03 21:22:10.014 INFO kablam! 
Sep 03 21:22:10.017 INFO kablam! warning: doc comment not used by rustdoc
Sep 03 21:22:10.017 INFO kablam!    --> src/main.rs:242:9
Sep 03 21:22:10.017 INFO kablam!     |
Sep 03 21:22:10.017 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Sep 03 21:22:10.017 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 21:22:10.018 INFO kablam!     |
Sep 03 21:22:10.018 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Sep 03 21:22:10.018 INFO kablam! 
Sep 03 21:22:10.018 INFO kablam! warning: doc comment not used by rustdoc
Sep 03 21:22:10.018 INFO kablam!    --> src/main.rs:245:9
Sep 03 21:22:10.018 INFO kablam!     |
Sep 03 21:22:10.018 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Sep 03 21:22:10.018 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 21:22:10.018 INFO kablam! 
Sep 03 21:22:11.474 INFO kablam! warning: variable does not need to be mutable
Sep 03 21:22:11.474 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 03 21:22:11.474 INFO kablam!     |
Sep 03 21:22:11.474 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 03 21:22:11.474 INFO kablam!     |         ----^^^^^^^^^^^
Sep 03 21:22:11.474 INFO kablam!     |         |
Sep 03 21:22:11.474 INFO kablam!     |         help: remove this `mut`
Sep 03 21:22:11.475 INFO kablam!     |
Sep 03 21:22:11.475 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 03 21:22:11.475 INFO kablam! 
Sep 03 21:22:11.596 INFO kablam! warning: variable does not need to be mutable
Sep 03 21:22:11.596 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 03 21:22:11.596 INFO kablam!    |
Sep 03 21:22:11.596 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 03 21:22:11.596 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 03 21:22:11.596 INFO kablam!    |             |
Sep 03 21:22:11.596 INFO kablam!    |             help: remove this `mut`
Sep 03 21:22:11.596 INFO kablam! 
Sep 03 21:22:11.716 INFO kablam! warning: variable does not need to be mutable
Sep 03 21:22:11.716 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 03 21:22:11.716 INFO kablam!    |
Sep 03 21:22:11.716 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 03 21:22:11.716 INFO kablam!    |                 ----^^^^^^
Sep 03 21:22:11.716 INFO kablam!    |                 |
Sep 03 21:22:11.716 INFO kablam!    |                 help: remove this `mut`
Sep 03 21:22:11.716 INFO kablam! 
Sep 03 21:22:11.814 INFO kablam! warning: variable does not need to be mutable
Sep 03 21:22:11.814 INFO kablam!    --> src/arguments/mod.rs:553:9
Sep 03 21:22:11.814 INFO kablam!     |
Sep 03 21:22:11.815 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Sep 03 21:22:11.815 INFO kablam!     |         ----^^^^^^^^^^^
Sep 03 21:22:11.815 INFO kablam!     |         |
Sep 03 21:22:11.815 INFO kablam!     |         help: remove this `mut`
Sep 03 21:22:11.815 INFO kablam!     |
Sep 03 21:22:11.815 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 03 21:22:11.815 INFO kablam! 
Sep 03 21:22:11.949 INFO kablam! warning: variable does not need to be mutable
Sep 03 21:22:11.949 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Sep 03 21:22:11.949 INFO kablam!    |
Sep 03 21:22:11.949 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Sep 03 21:22:11.950 INFO kablam!    |             ----^^^^^^^^^^^^^^
Sep 03 21:22:11.950 INFO kablam!    |             |
Sep 03 21:22:11.950 INFO kablam!    |             help: remove this `mut`
Sep 03 21:22:11.950 INFO kablam! 
Sep 03 21:22:12.017 INFO kablam! warning: variable does not need to be mutable
Sep 03 21:22:12.017 INFO kablam!   --> src/execute/pipe.rs:41:17
Sep 03 21:22:12.017 INFO kablam!    |
Sep 03 21:22:12.017 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Sep 03 21:22:12.017 INFO kablam!    |                 ----^^^^^^
Sep 03 21:22:12.017 INFO kablam!    |                 |
Sep 03 21:22:12.017 INFO kablam!    |                 help: remove this `mut`
Sep 03 21:22:12.017 INFO kablam! 
Sep 03 21:22:12.148 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
Sep 03 21:22:12.151 INFO kablam! su: No module specific data is present
Sep 03 21:22:12.549 INFO running `"docker" "rm" "-f" "c0942ed6a295f466c77b8d9853aa05842e3c1a4e4e0edbebf01f37654fa47ef6"`
Sep 03 21:22:12.648 INFO blam! c0942ed6a295f466c77b8d9853aa05842e3c1a4e4e0edbebf01f37654fa47ef6