Nov 30 19:40:09.270 INFO checking matrust-0.0.6 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:40:09.270 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 19:40:09.432 INFO [stdout] 7d5f6609dc6ca1609e31efbc91311f0a2d8c35fb56dfa2f88499b694032ba29d
Nov 30 19:40:09.433 INFO running `"docker" "start" "-a" "7d5f6609dc6ca1609e31efbc91311f0a2d8c35fb56dfa2f88499b694032ba29d"`
Nov 30 19:40:10.071 INFO [stderr] usermod: no changes
Nov 30 19:40:10.165 INFO [stderr]     Checking matrust v0.0.6 (/source)
Nov 30 19:40:11.200 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 30 19:40:11.200 INFO [stderr]    --> src/lib.rs:132:22
Nov 30 19:40:11.200 INFO [stderr]     |
Nov 30 19:40:11.200 INFO [stderr] 132 |         self.map2(m, (|x, y| x + y))
Nov 30 19:40:11.200 INFO [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 19:40:11.200 INFO [stderr]     |
Nov 30 19:40:11.200 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 19:40:11.200 INFO [stderr] 
Nov 30 19:40:11.200 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 30 19:40:11.200 INFO [stderr]    --> src/lib.rs:136:22
Nov 30 19:40:11.200 INFO [stderr]     |
Nov 30 19:40:11.200 INFO [stderr] 136 |         self.map2(m, (|x, y| x - y))
Nov 30 19:40:11.200 INFO [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 19:40:11.200 INFO [stderr] 
Nov 30 19:40:11.349 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 30 19:40:11.350 INFO [stderr]    --> src/lib.rs:132:22
Nov 30 19:40:11.350 INFO [stderr]     |
Nov 30 19:40:11.350 INFO [stderr] 132 |         self.map2(m, (|x, y| x + y))
Nov 30 19:40:11.350 INFO [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 19:40:11.350 INFO [stderr]     |
Nov 30 19:40:11.350 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 19:40:11.350 INFO [stderr] 
Nov 30 19:40:11.350 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 30 19:40:11.350 INFO [stderr]    --> src/lib.rs:136:22
Nov 30 19:40:11.350 INFO [stderr]     |
Nov 30 19:40:11.350 INFO [stderr] 136 |         self.map2(m, (|x, y| x - y))
Nov 30 19:40:11.350 INFO [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 19:40:11.350 INFO [stderr] 
Nov 30 19:40:11.350 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 30 19:40:11.350 INFO [stderr]    --> src/lib.rs:232:29
Nov 30 19:40:11.350 INFO [stderr]     |
Nov 30 19:40:11.350 INFO [stderr] 232 |         assert!(m.map2(&m5, (|x, y| y + x)).is_err());
Nov 30 19:40:11.350 INFO [stderr]     |                             ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 19:40:11.350 INFO [stderr] 
Nov 30 19:40:11.636 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Nov 30 19:40:11.636 INFO [stderr] su: No module specific data is present
Nov 30 19:40:12.152 INFO running `"docker" "inspect" "7d5f6609dc6ca1609e31efbc91311f0a2d8c35fb56dfa2f88499b694032ba29d"`
Nov 30 19:40:12.448 INFO running `"docker" "rm" "-f" "7d5f6609dc6ca1609e31efbc91311f0a2d8c35fb56dfa2f88499b694032ba29d"`
Nov 30 19:40:12.724 INFO [stdout] 7d5f6609dc6ca1609e31efbc91311f0a2d8c35fb56dfa2f88499b694032ba29d