Nov 28 22:15:54.607 INFO checking matrust-0.0.6 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 22:15:54.607 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 22:15:54.852 INFO [stdout] 57dafceb00498888afae086b0f45bc8a1ce6c4818887c402024b5612a46d94a8
Nov 28 22:15:54.856 INFO running `"docker" "start" "-a" "57dafceb00498888afae086b0f45bc8a1ce6c4818887c402024b5612a46d94a8"`
Nov 28 22:15:55.483 INFO [stderr] usermod: no changes
Nov 28 22:15:55.571 INFO [stderr]     Checking matrust v0.0.6 (/source)
Nov 28 22:15:56.580 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 22:15:56.580 INFO [stderr]    --> src/lib.rs:132:22
Nov 28 22:15:56.581 INFO [stderr]     |
Nov 28 22:15:56.581 INFO [stderr] 132 |         self.map2(m, (|x, y| x + y))
Nov 28 22:15:56.581 INFO [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 22:15:56.581 INFO [stderr]     |
Nov 28 22:15:56.581 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 28 22:15:56.581 INFO [stderr] 
Nov 28 22:15:56.581 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 22:15:56.581 INFO [stderr]    --> src/lib.rs:136:22
Nov 28 22:15:56.581 INFO [stderr]     |
Nov 28 22:15:56.581 INFO [stderr] 136 |         self.map2(m, (|x, y| x - y))
Nov 28 22:15:56.581 INFO [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 22:15:56.581 INFO [stderr] 
Nov 28 22:15:56.725 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 22:15:56.725 INFO [stderr]    --> src/lib.rs:132:22
Nov 28 22:15:56.725 INFO [stderr]     |
Nov 28 22:15:56.725 INFO [stderr] 132 |         self.map2(m, (|x, y| x + y))
Nov 28 22:15:56.725 INFO [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 22:15:56.725 INFO [stderr]     |
Nov 28 22:15:56.725 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 28 22:15:56.725 INFO [stderr] 
Nov 28 22:15:56.725 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 22:15:56.725 INFO [stderr]    --> src/lib.rs:136:22
Nov 28 22:15:56.725 INFO [stderr]     |
Nov 28 22:15:56.725 INFO [stderr] 136 |         self.map2(m, (|x, y| x - y))
Nov 28 22:15:56.725 INFO [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 22:15:56.725 INFO [stderr] 
Nov 28 22:15:56.725 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 22:15:56.725 INFO [stderr]    --> src/lib.rs:232:29
Nov 28 22:15:56.725 INFO [stderr]     |
Nov 28 22:15:56.725 INFO [stderr] 232 |         assert!(m.map2(&m5, (|x, y| y + x)).is_err());
Nov 28 22:15:56.725 INFO [stderr]     |                             ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 22:15:56.725 INFO [stderr] 
Nov 28 22:15:56.982 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
Nov 28 22:15:56.988 INFO [stderr] su: No module specific data is present
Nov 28 22:15:57.334 INFO running `"docker" "inspect" "57dafceb00498888afae086b0f45bc8a1ce6c4818887c402024b5612a46d94a8"`
Nov 28 22:15:57.445 INFO running `"docker" "rm" "-f" "57dafceb00498888afae086b0f45bc8a1ce6c4818887c402024b5612a46d94a8"`
Nov 28 22:15:57.581 INFO [stdout] 57dafceb00498888afae086b0f45bc8a1ce6c4818887c402024b5612a46d94a8