Nov 04 20:03:05.757 INFO checking parallel-0.11.3 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 20:03:05.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-0/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2ad8c7b3502616aff142a4640cce911c6c2c5463-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 04 20:03:06.096 INFO blam! 83c6151a265b6a4c6b875caabb6272ce99ded3c9055d8d10f02c44397e04dd5e
Nov 04 20:03:06.099 INFO running `"docker" "start" "-a" "83c6151a265b6a4c6b875caabb6272ce99ded3c9055d8d10f02c44397e04dd5e"`
Nov 04 20:03:06.853 INFO kablam! usermod: no changes
Nov 04 20:03:06.991 INFO kablam!     Checking numtoa v0.0.7
Nov 04 20:03:06.991 INFO kablam!     Checking permutate v0.3.2
Nov 04 20:03:06.992 INFO kablam!    Compiling sys-info v0.4.1
Nov 04 20:03:08.643 INFO kablam!     Checking parallel v0.11.3 (/source)
Nov 04 20:03:09.863 INFO kablam! warning: doc comment not used by rustdoc
Nov 04 20:03:09.863 INFO kablam!    --> src/main.rs:242:9
Nov 04 20:03:09.863 INFO kablam!     |
Nov 04 20:03:09.863 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Nov 04 20:03:09.863 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 20:03:09.863 INFO kablam!     |
Nov 04 20:03:09.863 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Nov 04 20:03:09.863 INFO kablam! 
Nov 04 20:03:09.863 INFO kablam! warning: doc comment not used by rustdoc
Nov 04 20:03:09.863 INFO kablam!    --> src/main.rs:245:9
Nov 04 20:03:09.863 INFO kablam!     |
Nov 04 20:03:09.863 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Nov 04 20:03:09.863 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 20:03:09.863 INFO kablam! 
Nov 04 20:03:10.013 INFO kablam! warning: unnecessary parentheses around method argument
Nov 04 20:03:10.013 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Nov 04 20:03:10.013 INFO kablam!     |
Nov 04 20:03:10.013 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Nov 04 20:03:10.013 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Nov 04 20:03:10.013 INFO kablam!     |
Nov 04 20:03:10.013 INFO kablam!     = note: #[warn(unused_parens)] on by default
Nov 04 20:03:10.013 INFO kablam! 
Nov 04 20:03:10.019 INFO kablam! warning: doc comment not used by rustdoc
Nov 04 20:03:10.019 INFO kablam!    --> src/main.rs:242:9
Nov 04 20:03:10.019 INFO kablam!     |
Nov 04 20:03:10.019 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Nov 04 20:03:10.019 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 20:03:10.019 INFO kablam!     |
Nov 04 20:03:10.019 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Nov 04 20:03:10.019 INFO kablam! 
Nov 04 20:03:10.019 INFO kablam! warning: doc comment not used by rustdoc
Nov 04 20:03:10.019 INFO kablam!    --> src/main.rs:245:9
Nov 04 20:03:10.019 INFO kablam!     |
Nov 04 20:03:10.019 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Nov 04 20:03:10.019 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 20:03:10.019 INFO kablam! 
Nov 04 20:03:10.661 INFO kablam! warning: variable does not need to be mutable
Nov 04 20:03:10.661 INFO kablam!    --> src/arguments/mod.rs:553:9
Nov 04 20:03:10.661 INFO kablam!     |
Nov 04 20:03:10.661 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Nov 04 20:03:10.661 INFO kablam!     |         ----^^^^^^^^^^^
Nov 04 20:03:10.661 INFO kablam!     |         |
Nov 04 20:03:10.661 INFO kablam!     |         help: remove this `mut`
Nov 04 20:03:10.661 INFO kablam!     |
Nov 04 20:03:10.661 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 20:03:10.661 INFO kablam! 
Nov 04 20:03:10.726 INFO kablam! warning: variable does not need to be mutable
Nov 04 20:03:10.726 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Nov 04 20:03:10.726 INFO kablam!    |
Nov 04 20:03:10.726 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Nov 04 20:03:10.726 INFO kablam!    |             ----^^^^^^^^^^^^^^
Nov 04 20:03:10.726 INFO kablam!    |             |
Nov 04 20:03:10.726 INFO kablam!    |             help: remove this `mut`
Nov 04 20:03:10.726 INFO kablam! 
Nov 04 20:03:10.784 INFO kablam! warning: variable does not need to be mutable
Nov 04 20:03:10.785 INFO kablam!   --> src/execute/pipe.rs:41:17
Nov 04 20:03:10.785 INFO kablam!    |
Nov 04 20:03:10.785 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Nov 04 20:03:10.785 INFO kablam!    |                 ----^^^^^^
Nov 04 20:03:10.785 INFO kablam!    |                 |
Nov 04 20:03:10.785 INFO kablam!    |                 help: remove this `mut`
Nov 04 20:03:10.785 INFO kablam! 
Nov 04 20:03:10.871 INFO kablam! warning: variable does not need to be mutable
Nov 04 20:03:10.872 INFO kablam!    --> src/arguments/mod.rs:553:9
Nov 04 20:03:10.872 INFO kablam!     |
Nov 04 20:03:10.873 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Nov 04 20:03:10.873 INFO kablam!     |         ----^^^^^^^^^^^
Nov 04 20:03:10.874 INFO kablam!     |         |
Nov 04 20:03:10.874 INFO kablam!     |         help: remove this `mut`
Nov 04 20:03:10.874 INFO kablam!     |
Nov 04 20:03:10.875 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 20:03:10.875 INFO kablam! 
Nov 04 20:03:10.949 INFO kablam! warning: variable does not need to be mutable
Nov 04 20:03:10.949 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Nov 04 20:03:10.949 INFO kablam!    |
Nov 04 20:03:10.949 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Nov 04 20:03:10.949 INFO kablam!    |             ----^^^^^^^^^^^^^^
Nov 04 20:03:10.949 INFO kablam!    |             |
Nov 04 20:03:10.949 INFO kablam!    |             help: remove this `mut`
Nov 04 20:03:10.949 INFO kablam! 
Nov 04 20:03:11.017 INFO kablam! warning: variable does not need to be mutable
Nov 04 20:03:11.017 INFO kablam!   --> src/execute/pipe.rs:41:17
Nov 04 20:03:11.018 INFO kablam!    |
Nov 04 20:03:11.018 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Nov 04 20:03:11.018 INFO kablam!    |                 ----^^^^^^
Nov 04 20:03:11.018 INFO kablam!    |                 |
Nov 04 20:03:11.018 INFO kablam!    |                 help: remove this `mut`
Nov 04 20:03:11.018 INFO kablam! 
Nov 04 20:03:11.103 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
Nov 04 20:03:11.107 INFO kablam! su: No module specific data is present
Nov 04 20:03:11.391 INFO running `"docker" "rm" "-f" "83c6151a265b6a4c6b875caabb6272ce99ded3c9055d8d10f02c44397e04dd5e"`
Nov 04 20:03:11.481 INFO blam! 83c6151a265b6a4c6b875caabb6272ce99ded3c9055d8d10f02c44397e04dd5e