[INFO] updating cached repository https://github.com/iwillspeak/docket
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 418adfe11003d3c32491e84879cff0faff0c93d6
[INFO] checking iwillspeak/docket against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwillspeak%2Fdocket" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iwillspeak/docket on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iwillspeak/docket
[INFO] finished tweaking git repo https://github.com/iwillspeak/docket
[INFO] tweaked toml for git repo https://github.com/iwillspeak/docket written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/iwillspeak/docket already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 26c9309bac9e1e4343a905399138e7d491b4603351fe447d2f3d32f435728cc6
[INFO] running `"docker" "start" "-a" "26c9309bac9e1e4343a905399138e7d491b4603351fe447d2f3d32f435728cc6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking strsim v0.9.1
[INFO] [stderr]     Checking failure v0.1.5
[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 1m 15s
[INFO] running `"docker" "inspect" "26c9309bac9e1e4343a905399138e7d491b4603351fe447d2f3d32f435728cc6"`
[INFO] running `"docker" "rm" "-f" "26c9309bac9e1e4343a905399138e7d491b4603351fe447d2f3d32f435728cc6"`
[INFO] [stdout] 26c9309bac9e1e4343a905399138e7d491b4603351fe447d2f3d32f435728cc6