[INFO] updating cached repository https://github.com/LabAcoustics/piwfs
[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] [stderr] From https://github.com/LabAcoustics/piwfs
[INFO] [stderr]    99eceae..633a998  ptp-based  -> ptp-based
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 633a9985c50691885e9ee2d8ab59fe52004f3fa9
[INFO] checking LabAcoustics/piwfs against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLabAcoustics%2Fpiwfs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LabAcoustics/piwfs 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/LabAcoustics/piwfs
[INFO] finished tweaking git repo https://github.com/LabAcoustics/piwfs
[INFO] tweaked toml for git repo https://github.com/LabAcoustics/piwfs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/LabAcoustics/piwfs 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 36db4ed1ee3bae76721c554688f9850ad85a07f1b95b85a26d1c1f778a2251ac
[INFO] running `"docker" "start" "-a" "36db4ed1ee3bae76721c554688f9850ad85a07f1b95b85a26d1c1f778a2251ac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking signal-hook v0.1.14
[INFO] [stderr]     Checking alsa v0.4.2
[INFO] [stderr]     Checking piwfs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `cur_time`
[INFO] [stderr]    --> src/slave.rs:274:17
[INFO] [stderr]     |
[INFO] [stderr] 274 |             let cur_time = stamps.iter().fold(0., |acc, stamp| {
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_time`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cur_time`
[INFO] [stderr]    --> src/slave.rs:274:17
[INFO] [stderr]     |
[INFO] [stderr] 274 |             let cur_time = stamps.iter().fold(0., |acc, stamp| {
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_time`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` 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 21.47s
[INFO] running `"docker" "inspect" "36db4ed1ee3bae76721c554688f9850ad85a07f1b95b85a26d1c1f778a2251ac"`
[INFO] running `"docker" "rm" "-f" "36db4ed1ee3bae76721c554688f9850ad85a07f1b95b85a26d1c1f778a2251ac"`
[INFO] [stdout] 36db4ed1ee3bae76721c554688f9850ad85a07f1b95b85a26d1c1f778a2251ac