[INFO] crate docket 0.4.1 is already in cache
[INFO] checking docket-0.4.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate docket 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate docket 0.4.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate docket 0.4.1
[INFO] finished tweaking crates.io crate docket 0.4.1
[INFO] tweaked toml for crates.io crate docket 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 61575e4ad9b8cd2054ab4f7086e49748e350fdd71733e39e1f6675918c8ea67d
[INFO] running `"docker" "start" "-a" "61575e4ad9b8cd2054ab4f7086e49748e350fdd71733e39e1f6675918c8ea67d"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking docket v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/main.rs:64:14
[INFO] [stderr]    |
[INFO] [stderr] 64 |         .map({ |p| PathBuf::from(p) })
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/main.rs:64:14
[INFO] [stderr]    |
[INFO] [stderr] 64 |         .map({ |p| PathBuf::from(p) })
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.05s
[INFO] running `"docker" "inspect" "61575e4ad9b8cd2054ab4f7086e49748e350fdd71733e39e1f6675918c8ea67d"`
[INFO] running `"docker" "rm" "-f" "61575e4ad9b8cd2054ab4f7086e49748e350fdd71733e39e1f6675918c8ea67d"`
[INFO] [stdout] 61575e4ad9b8cd2054ab4f7086e49748e350fdd71733e39e1f6675918c8ea67d