[INFO] fetching crate structopt 0.3.14...
[INFO] checking structopt-0.3.14 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate structopt 0.3.14 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate structopt 0.3.14 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate structopt 0.3.14
[INFO] finished tweaking crates.io crate structopt 0.3.14
[INFO] tweaked toml for crates.io crate structopt 0.3.14 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate structopt 0.3.14 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.25
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 2e165c54b5bd88b6b23d7c74c3858a8e7ef5a674ef8c4861b16de321e0964ad7
[INFO] running `"docker" "start" "-a" "2e165c54b5bd88b6b23d7c74c3858a8e7ef5a674ef8c4861b16de321e0964ad7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking dissimilar v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.25
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> tests/subcommands.rs:228:19
[INFO] [stderr]     |
[INFO] [stderr] 228 |         Other(Vec<String>),
[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 function argument
[INFO] [stderr]    --> tests/subcommands.rs:268:19
[INFO] [stderr]     |
[INFO] [stderr] 268 |         Other(Vec<OsString>),
[INFO] [stderr]     |                   ^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> tests/subcommands.rs:292:19
[INFO] [stderr]     |
[INFO] [stderr] 292 |         Other(Vec<String>),
[INFO] [stderr]     |                   ^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> tests/issues.rs:108:19
[INFO] [stderr]     |
[INFO] [stderr] 108 |         Other(Vec<String>),
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.94s
[INFO] running `"docker" "inspect" "2e165c54b5bd88b6b23d7c74c3858a8e7ef5a674ef8c4861b16de321e0964ad7"`
[INFO] running `"docker" "rm" "-f" "2e165c54b5bd88b6b23d7c74c3858a8e7ef5a674ef8c4861b16de321e0964ad7"`
[INFO] [stdout] 2e165c54b5bd88b6b23d7c74c3858a8e7ef5a674ef8c4861b16de321e0964ad7