Dec 12 10:11:03.657 INFO checking peepable-0.1.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 10:11:03.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 10:11:03.904 INFO [stdout] fe63f3dd57c669b29e7ea4f4d41cbf4519eb0d7641222a19e11b5cc51bb9af6c
Dec 12 10:11:03.905 INFO running `"docker" "start" "-a" "fe63f3dd57c669b29e7ea4f4d41cbf4519eb0d7641222a19e11b5cc51bb9af6c"`
Dec 12 10:11:04.312 INFO [stderr] usermod: no changes
Dec 12 10:11:04.337 INFO [stderr]     Checking peepable v0.1.1 (/source)
Dec 12 10:11:04.843 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 10:11:04.843 INFO [stderr]    --> src/lib.rs:149:34
Dec 12 10:11:04.843 INFO [stderr]     |
Dec 12 10:11:04.843 INFO [stderr] 149 |         let iter = Peepable::new((0..4));
Dec 12 10:11:04.843 INFO [stderr]     |                                  ^^^^^^ help: remove these parentheses
Dec 12 10:11:04.843 INFO [stderr]     |
Dec 12 10:11:04.843 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 10:11:04.843 INFO [stderr] 
Dec 12 10:11:05.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 12 10:11:05.384 INFO [stderr] su: No module specific data is present
Dec 12 10:11:05.766 INFO running `"docker" "inspect" "fe63f3dd57c669b29e7ea4f4d41cbf4519eb0d7641222a19e11b5cc51bb9af6c"`
Dec 12 10:11:05.870 INFO running `"docker" "rm" "-f" "fe63f3dd57c669b29e7ea4f4d41cbf4519eb0d7641222a19e11b5cc51bb9af6c"`
Dec 12 10:11:06.005 INFO [stdout] fe63f3dd57c669b29e7ea4f4d41cbf4519eb0d7641222a19e11b5cc51bb9af6c