[INFO] crate process_lock 0.1.0 is already in cache
[INFO] checking process_lock-0.1.0 against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[INFO] extracting crate process_lock 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate process_lock 0.1.0 on toolchain d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate process_lock 0.1.0
[INFO] finished tweaking crates.io crate process_lock 0.1.0
[INFO] tweaked toml for crates.io crate process_lock 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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] 6db1672203efce12f9ed868dd79a1c9080a2fa4b0753af95c0551faa71b82a99
[INFO] running `"docker" "start" "-a" "6db1672203efce12f9ed868dd79a1c9080a2fa4b0753af95c0551faa71b82a99"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking process_lock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> examples/lock.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> examples/lock1.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> examples/lock1.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut lock = ProcessLock::new(String::from(".xxx1"), None).unwrap();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `"docker" "inspect" "6db1672203efce12f9ed868dd79a1c9080a2fa4b0753af95c0551faa71b82a99"`
[INFO] running `"docker" "rm" "-f" "6db1672203efce12f9ed868dd79a1c9080a2fa4b0753af95c0551faa71b82a99"`
[INFO] [stdout] 6db1672203efce12f9ed868dd79a1c9080a2fa4b0753af95c0551faa71b82a99