[INFO] crate fasten 0.1.13 is already in cache
[INFO] checking fasten-0.1.13 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate fasten 0.1.13 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fasten 0.1.13 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fasten 0.1.13
[INFO] finished tweaking crates.io crate fasten 0.1.13
[INFO] tweaked toml for crates.io crate fasten 0.1.13 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 9cf63dcde9a98999d59dd47bb72b0676083de4be8836eb0db35c8a73b55cac51
[INFO] running `"docker" "start" "-a" "9cf63dcde9a98999d59dd47bb72b0676083de4be8836eb0db35c8a73b55cac51"`
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking statistical v0.1.1
[INFO] [stderr]     Checking multiqueue v0.3.2
[INFO] [stderr]     Checking fasten v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/io/seq.rs:49:36
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn sanitize_id(id: &String) -> (String);
[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/io/seq.rs:116:36
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn sanitize_id(id: &String) -> (String) {
[INFO] [stderr]     |                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/io/seq.rs:49:36
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn sanitize_id(id: &String) -> (String);
[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/io/seq.rs:116:36
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn sanitize_id(id: &String) -> (String) {
[INFO] [stderr]     |                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.92s
[INFO] running `"docker" "inspect" "9cf63dcde9a98999d59dd47bb72b0676083de4be8836eb0db35c8a73b55cac51"`
[INFO] running `"docker" "rm" "-f" "9cf63dcde9a98999d59dd47bb72b0676083de4be8836eb0db35c8a73b55cac51"`
[INFO] [stdout] 9cf63dcde9a98999d59dd47bb72b0676083de4be8836eb0db35c8a73b55cac51