Nov 03 04:24:22.337 INFO checking parallel-0.11.3 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 04:24:22.339 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 04:24:22.738 INFO blam! bd8904763db0c3ab5da1c95dc8a9365d433839191e616ec85543d805aeb1dbea
Nov 03 04:24:22.742 INFO running `"docker" "start" "-a" "bd8904763db0c3ab5da1c95dc8a9365d433839191e616ec85543d805aeb1dbea"`
Nov 03 04:24:23.588 INFO kablam! usermod: no changes
Nov 03 04:24:23.656 INFO kablam!     Checking numtoa v0.0.7
Nov 03 04:24:23.656 INFO kablam!     Checking smallvec v0.4.5
Nov 03 04:24:23.656 INFO kablam!     Checking permutate v0.3.2
Nov 03 04:24:23.656 INFO kablam!    Compiling sys-info v0.4.1
Nov 03 04:24:25.964 INFO kablam!     Checking parallel v0.11.3 (/source)
Nov 03 04:24:26.724 INFO kablam! warning: doc comment not used by rustdoc
Nov 03 04:24:26.724 INFO kablam!    --> src/main.rs:242:9
Nov 03 04:24:26.725 INFO kablam!     |
Nov 03 04:24:26.725 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Nov 03 04:24:26.725 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 04:24:26.725 INFO kablam!     |
Nov 03 04:24:26.725 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Nov 03 04:24:26.725 INFO kablam! 
Nov 03 04:24:26.725 INFO kablam! warning: doc comment not used by rustdoc
Nov 03 04:24:26.725 INFO kablam!    --> src/main.rs:245:9
Nov 03 04:24:26.725 INFO kablam!     |
Nov 03 04:24:26.725 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Nov 03 04:24:26.725 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 04:24:26.725 INFO kablam! 
Nov 03 04:24:27.055 INFO kablam! warning: unnecessary parentheses around method argument
Nov 03 04:24:27.055 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Nov 03 04:24:27.055 INFO kablam!     |
Nov 03 04:24:27.055 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Nov 03 04:24:27.055 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Nov 03 04:24:27.055 INFO kablam!     |
Nov 03 04:24:27.055 INFO kablam!     = note: #[warn(unused_parens)] on by default
Nov 03 04:24:27.055 INFO kablam! 
Nov 03 04:24:27.056 INFO kablam! warning: doc comment not used by rustdoc
Nov 03 04:24:27.056 INFO kablam!    --> src/main.rs:242:9
Nov 03 04:24:27.056 INFO kablam!     |
Nov 03 04:24:27.056 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Nov 03 04:24:27.056 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 04:24:27.060 INFO kablam!     |
Nov 03 04:24:27.060 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Nov 03 04:24:27.060 INFO kablam! 
Nov 03 04:24:27.060 INFO kablam! warning: doc comment not used by rustdoc
Nov 03 04:24:27.060 INFO kablam!    --> src/main.rs:245:9
Nov 03 04:24:27.060 INFO kablam!     |
Nov 03 04:24:27.060 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Nov 03 04:24:27.060 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 04:24:27.060 INFO kablam! 
Nov 03 04:24:27.396 INFO kablam! warning: variable does not need to be mutable
Nov 03 04:24:27.396 INFO kablam!    --> src/arguments/mod.rs:553:9
Nov 03 04:24:27.396 INFO kablam!     |
Nov 03 04:24:27.396 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Nov 03 04:24:27.396 INFO kablam!     |         ----^^^^^^^^^^^
Nov 03 04:24:27.396 INFO kablam!     |         |
Nov 03 04:24:27.396 INFO kablam!     |         help: remove this `mut`
Nov 03 04:24:27.396 INFO kablam!     |
Nov 03 04:24:27.396 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 04:24:27.396 INFO kablam! 
Nov 03 04:24:27.452 INFO kablam! warning: variable does not need to be mutable
Nov 03 04:24:27.452 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Nov 03 04:24:27.452 INFO kablam!    |
Nov 03 04:24:27.452 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Nov 03 04:24:27.452 INFO kablam!    |             ----^^^^^^^^^^^^^^
Nov 03 04:24:27.453 INFO kablam!    |             |
Nov 03 04:24:27.453 INFO kablam!    |             help: remove this `mut`
Nov 03 04:24:27.453 INFO kablam! 
Nov 03 04:24:27.520 INFO kablam! warning: variable does not need to be mutable
Nov 03 04:24:27.520 INFO kablam!   --> src/execute/pipe.rs:41:17
Nov 03 04:24:27.521 INFO kablam!    |
Nov 03 04:24:27.521 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Nov 03 04:24:27.521 INFO kablam!    |                 ----^^^^^^
Nov 03 04:24:27.521 INFO kablam!    |                 |
Nov 03 04:24:27.521 INFO kablam!    |                 help: remove this `mut`
Nov 03 04:24:27.521 INFO kablam! 
Nov 03 04:24:27.896 INFO kablam! warning: variable does not need to be mutable
Nov 03 04:24:27.896 INFO kablam!    --> src/arguments/mod.rs:553:9
Nov 03 04:24:27.896 INFO kablam!     |
Nov 03 04:24:27.896 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Nov 03 04:24:27.897 INFO kablam!     |         ----^^^^^^^^^^^
Nov 03 04:24:27.897 INFO kablam!     |         |
Nov 03 04:24:27.897 INFO kablam!     |         help: remove this `mut`
Nov 03 04:24:27.897 INFO kablam!     |
Nov 03 04:24:27.897 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 04:24:27.897 INFO kablam! 
Nov 03 04:24:27.964 INFO kablam! warning: variable does not need to be mutable
Nov 03 04:24:27.965 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Nov 03 04:24:27.965 INFO kablam!    |
Nov 03 04:24:27.965 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Nov 03 04:24:27.965 INFO kablam!    |             ----^^^^^^^^^^^^^^
Nov 03 04:24:27.965 INFO kablam!    |             |
Nov 03 04:24:27.965 INFO kablam!    |             help: remove this `mut`
Nov 03 04:24:27.965 INFO kablam! 
Nov 03 04:24:28.024 INFO kablam! warning: variable does not need to be mutable
Nov 03 04:24:28.025 INFO kablam!   --> src/execute/pipe.rs:41:17
Nov 03 04:24:28.025 INFO kablam!    |
Nov 03 04:24:28.025 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Nov 03 04:24:28.025 INFO kablam!    |                 ----^^^^^^
Nov 03 04:24:28.025 INFO kablam!    |                 |
Nov 03 04:24:28.025 INFO kablam!    |                 help: remove this `mut`
Nov 03 04:24:28.025 INFO kablam! 
Nov 03 04:24:28.192 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
Nov 03 04:24:28.192 INFO kablam! su: No module specific data is present
Nov 03 04:24:28.699 INFO running `"docker" "rm" "-f" "bd8904763db0c3ab5da1c95dc8a9365d433839191e616ec85543d805aeb1dbea"`
Nov 03 04:24:28.783 INFO blam! bd8904763db0c3ab5da1c95dc8a9365d433839191e616ec85543d805aeb1dbea