[INFO] crate rayon-hash 0.5.0 is already in cache
[INFO] checking rayon-hash-0.5.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate rayon-hash 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rayon-hash 0.5.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rayon-hash 0.5.0
[INFO] finished tweaking crates.io crate rayon-hash 0.5.0
[INFO] tweaked toml for crates.io crate rayon-hash 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b63f170532e8557476484bef6f7042619ee4977471d50440a080572298a340bf
[INFO] running `"docker" "start" "-a" "b63f170532e8557476484bef6f7042619ee4977471d50440a080572298a340bf"`
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking rayon-hash v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2540:34
[INFO] [stderr]      |
[INFO] [stderr] 2540 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2563:34
[INFO] [stderr]      |
[INFO] [stderr] 2563 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2586:34
[INFO] [stderr]      |
[INFO] [stderr] 2586 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2540:34
[INFO] [stderr]      |
[INFO] [stderr] 2540 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2563:34
[INFO] [stderr]      |
[INFO] [stderr] 2563 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2586:34
[INFO] [stderr]      |
[INFO] [stderr] 2586 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `"docker" "inspect" "b63f170532e8557476484bef6f7042619ee4977471d50440a080572298a340bf"`
[INFO] running `"docker" "rm" "-f" "b63f170532e8557476484bef6f7042619ee4977471d50440a080572298a340bf"`
[INFO] [stdout] b63f170532e8557476484bef6f7042619ee4977471d50440a080572298a340bf