Oct 27 18:17:09.229 INFO checking parallel-0.11.3 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 18:17:09.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 18:17:09.671 INFO blam! 71fd68be7079df9f5769047e6f60023fa2c330f0217bb3327f928cad84aacdfa
Oct 27 18:17:09.671 INFO running `"docker" "start" "-a" "71fd68be7079df9f5769047e6f60023fa2c330f0217bb3327f928cad84aacdfa"`
Oct 27 18:17:10.966 INFO kablam! usermod: no changes
Oct 27 18:17:11.151 INFO kablam!     Checking numtoa v0.0.7
Oct 27 18:17:11.151 INFO kablam!     Checking permutate v0.3.2
Oct 27 18:17:11.151 INFO kablam!    Compiling sys-info v0.4.1
Oct 27 18:17:13.903 INFO kablam!     Checking parallel v0.11.3 (/source)
Oct 27 18:17:15.273 INFO kablam! warning: doc comment not used by rustdoc
Oct 27 18:17:15.273 INFO kablam!    --> src/main.rs:242:9
Oct 27 18:17:15.273 INFO kablam!     |
Oct 27 18:17:15.273 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Oct 27 18:17:15.273 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:17:15.273 INFO kablam!     |
Oct 27 18:17:15.273 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 27 18:17:15.273 INFO kablam! 
Oct 27 18:17:15.273 INFO kablam! warning: doc comment not used by rustdoc
Oct 27 18:17:15.273 INFO kablam!    --> src/main.rs:245:9
Oct 27 18:17:15.273 INFO kablam!     |
Oct 27 18:17:15.273 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Oct 27 18:17:15.273 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:17:15.273 INFO kablam! 
Oct 27 18:17:15.668 INFO kablam! warning: unnecessary parentheses around method argument
Oct 27 18:17:15.668 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Oct 27 18:17:15.668 INFO kablam!     |
Oct 27 18:17:15.668 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Oct 27 18:17:15.668 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Oct 27 18:17:15.668 INFO kablam!     |
Oct 27 18:17:15.668 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 27 18:17:15.668 INFO kablam! 
Oct 27 18:17:15.668 INFO kablam! warning: doc comment not used by rustdoc
Oct 27 18:17:15.668 INFO kablam!    --> src/main.rs:242:9
Oct 27 18:17:15.668 INFO kablam!     |
Oct 27 18:17:15.668 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Oct 27 18:17:15.668 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:17:15.668 INFO kablam!     |
Oct 27 18:17:15.668 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 27 18:17:15.668 INFO kablam! 
Oct 27 18:17:15.668 INFO kablam! warning: doc comment not used by rustdoc
Oct 27 18:17:15.668 INFO kablam!    --> src/main.rs:245:9
Oct 27 18:17:15.668 INFO kablam!     |
Oct 27 18:17:15.668 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Oct 27 18:17:15.668 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:17:15.668 INFO kablam! 
Oct 27 18:17:16.047 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:17:16.047 INFO kablam!    --> src/arguments/mod.rs:553:9
Oct 27 18:17:16.047 INFO kablam!     |
Oct 27 18:17:16.047 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Oct 27 18:17:16.047 INFO kablam!     |         ----^^^^^^^^^^^
Oct 27 18:17:16.047 INFO kablam!     |         |
Oct 27 18:17:16.047 INFO kablam!     |         help: remove this `mut`
Oct 27 18:17:16.047 INFO kablam!     |
Oct 27 18:17:16.047 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 18:17:16.047 INFO kablam! 
Oct 27 18:17:16.103 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:17:16.103 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Oct 27 18:17:16.103 INFO kablam!    |
Oct 27 18:17:16.103 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Oct 27 18:17:16.103 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 27 18:17:16.103 INFO kablam!    |             |
Oct 27 18:17:16.103 INFO kablam!    |             help: remove this `mut`
Oct 27 18:17:16.103 INFO kablam! 
Oct 27 18:17:16.159 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:17:16.159 INFO kablam!   --> src/execute/pipe.rs:41:17
Oct 27 18:17:16.159 INFO kablam!    |
Oct 27 18:17:16.159 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Oct 27 18:17:16.159 INFO kablam!    |                 ----^^^^^^
Oct 27 18:17:16.159 INFO kablam!    |                 |
Oct 27 18:17:16.159 INFO kablam!    |                 help: remove this `mut`
Oct 27 18:17:16.159 INFO kablam! 
Oct 27 18:17:16.591 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:17:16.591 INFO kablam!    --> src/arguments/mod.rs:553:9
Oct 27 18:17:16.591 INFO kablam!     |
Oct 27 18:17:16.591 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Oct 27 18:17:16.591 INFO kablam!     |         ----^^^^^^^^^^^
Oct 27 18:17:16.591 INFO kablam!     |         |
Oct 27 18:17:16.591 INFO kablam!     |         help: remove this `mut`
Oct 27 18:17:16.591 INFO kablam!     |
Oct 27 18:17:16.591 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 18:17:16.591 INFO kablam! 
Oct 27 18:17:16.671 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:17:16.671 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Oct 27 18:17:16.671 INFO kablam!    |
Oct 27 18:17:16.671 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Oct 27 18:17:16.671 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 27 18:17:16.671 INFO kablam!    |             |
Oct 27 18:17:16.671 INFO kablam!    |             help: remove this `mut`
Oct 27 18:17:16.671 INFO kablam! 
Oct 27 18:17:16.714 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:17:16.714 INFO kablam!   --> src/execute/pipe.rs:41:17
Oct 27 18:17:16.714 INFO kablam!    |
Oct 27 18:17:16.714 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Oct 27 18:17:16.714 INFO kablam!    |                 ----^^^^^^
Oct 27 18:17:16.714 INFO kablam!    |                 |
Oct 27 18:17:16.714 INFO kablam!    |                 help: remove this `mut`
Oct 27 18:17:16.714 INFO kablam! 
Oct 27 18:17:16.887 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
Oct 27 18:17:16.887 INFO kablam! su: No module specific data is present
Oct 27 18:17:17.354 INFO running `"docker" "rm" "-f" "71fd68be7079df9f5769047e6f60023fa2c330f0217bb3327f928cad84aacdfa"`
Oct 27 18:17:17.568 INFO blam! 71fd68be7079df9f5769047e6f60023fa2c330f0217bb3327f928cad84aacdfa