[INFO] updating cached repository https://github.com/caldwell/http-log-to-statsd
[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] edfe746898eb08df083bbe37790808df39c3d165
[INFO] checking caldwell/http-log-to-statsd against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaldwell%2Fhttp-log-to-statsd" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caldwell/http-log-to-statsd on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/caldwell/http-log-to-statsd
[INFO] finished tweaking git repo https://github.com/caldwell/http-log-to-statsd
[INFO] tweaked toml for git repo https://github.com/caldwell/http-log-to-statsd written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/caldwell/http-log-to-statsd already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] bd0619392082590a5c5f359687425dad91eb96e7ad0c695dfd3a4016d965af0b
[INFO] running `"docker" "start" "-a" "bd0619392082590a5c5f359687425dad91eb96e7ad0c695dfd3a4016d965af0b"`
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking cadence v0.8.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking http-log-to-statsd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> http-log-to-statsd.rs:124:36
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 let (pred, ifcase, mut elsecase) = (x[0], x[1], if x.len() == 3 {x[2]} else {""});
[INFO] [stderr]     |                                    ----^^^^^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> http-log-to-statsd.rs:124:36
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 let (pred, ifcase, mut elsecase) = (x[0], x[1], if x.len() == 3 {x[2]} else {""});
[INFO] [stderr]     |                                    ----^^^^^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `"docker" "inspect" "bd0619392082590a5c5f359687425dad91eb96e7ad0c695dfd3a4016d965af0b"`
[INFO] running `"docker" "rm" "-f" "bd0619392082590a5c5f359687425dad91eb96e7ad0c695dfd3a4016d965af0b"`
[INFO] [stdout] bd0619392082590a5c5f359687425dad91eb96e7ad0c695dfd3a4016d965af0b