Oct 13 12:15:11.058 INFO checking matrust-0.0.6 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 12:15:11.058 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 12:15:11.398 INFO blam! bc48e2704fb4898e98c4b63d1a07cbe4d4fe94b157c9066333e25925191b1f22
Oct 13 12:15:11.405 INFO running `"docker" "start" "-a" "bc48e2704fb4898e98c4b63d1a07cbe4d4fe94b157c9066333e25925191b1f22"`
Oct 13 12:15:11.944 INFO kablam! usermod: no changes
Oct 13 12:15:12.017 INFO kablam!     Checking matrust v0.0.6 (/source)
Oct 13 12:15:13.092 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 12:15:13.092 INFO kablam!    --> src/lib.rs:132:22
Oct 13 12:15:13.092 INFO kablam!     |
Oct 13 12:15:13.092 INFO kablam! 132 |         self.map2(m, (|x, y| x + y))
Oct 13 12:15:13.092 INFO kablam!     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 12:15:13.092 INFO kablam!     |
Oct 13 12:15:13.092 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 12:15:13.092 INFO kablam! 
Oct 13 12:15:13.092 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 12:15:13.092 INFO kablam!    --> src/lib.rs:136:22
Oct 13 12:15:13.092 INFO kablam!     |
Oct 13 12:15:13.092 INFO kablam! 136 |         self.map2(m, (|x, y| x - y))
Oct 13 12:15:13.092 INFO kablam!     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 12:15:13.092 INFO kablam! 
Oct 13 12:15:13.275 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 12:15:13.275 INFO kablam!    --> src/lib.rs:132:22
Oct 13 12:15:13.275 INFO kablam!     |
Oct 13 12:15:13.275 INFO kablam! 132 |         self.map2(m, (|x, y| x + y))
Oct 13 12:15:13.275 INFO kablam!     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 12:15:13.275 INFO kablam!     |
Oct 13 12:15:13.275 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 12:15:13.275 INFO kablam! 
Oct 13 12:15:13.275 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 12:15:13.275 INFO kablam!    --> src/lib.rs:136:22
Oct 13 12:15:13.275 INFO kablam!     |
Oct 13 12:15:13.275 INFO kablam! 136 |         self.map2(m, (|x, y| x - y))
Oct 13 12:15:13.275 INFO kablam!     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 12:15:13.275 INFO kablam! 
Oct 13 12:15:13.275 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 12:15:13.275 INFO kablam!    --> src/lib.rs:232:29
Oct 13 12:15:13.275 INFO kablam!     |
Oct 13 12:15:13.275 INFO kablam! 232 |         assert!(m.map2(&m5, (|x, y| y + x)).is_err());
Oct 13 12:15:13.275 INFO kablam!     |                             ^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 12:15:13.275 INFO kablam! 
Oct 13 12:15:13.543 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
Oct 13 12:15:13.547 INFO kablam! su: No module specific data is present
Oct 13 12:15:14.084 INFO running `"docker" "rm" "-f" "bc48e2704fb4898e98c4b63d1a07cbe4d4fe94b157c9066333e25925191b1f22"`
Oct 13 12:15:14.472 INFO blam! bc48e2704fb4898e98c4b63d1a07cbe4d4fe94b157c9066333e25925191b1f22