[INFO] crate libproc 0.7.1 is already in cache
[INFO] checking libproc-0.7.1 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate libproc 0.7.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libproc 0.7.1 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libproc 0.7.1
[INFO] finished tweaking crates.io crate libproc 0.7.1
[INFO] tweaked toml for crates.io crate libproc 0.7.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate libproc 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 7a4b61810aaeefb7a55dcc56853a28b9bf56cc2ec66ef57ced78745e0d46810a
[INFO] running `"docker" "start" "-a" "7a4b61810aaeefb7a55dcc56853a28b9bf56cc2ec66ef57ced78745e0d46810a"`
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking libproc v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `MAXPATHLEN`
[INFO] [stderr]   --> src/libproc/proc_pid.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | const MAXPATHLEN: usize = 1024;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PROC_PIDPATHINFO_MAXSIZE`
[INFO] [stderr]   --> src/libproc/proc_pid.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | const PROC_PIDPATHINFO_MAXSIZE: usize = 4 * MAXPATHLEN;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAXPATHLEN`
[INFO] [stderr]   --> src/libproc/proc_pid.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | const MAXPATHLEN: usize = 1024;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PROC_PIDPATHINFO_MAXSIZE`
[INFO] [stderr]   --> src/libproc/proc_pid.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | const PROC_PIDPATHINFO_MAXSIZE: usize = 4 * MAXPATHLEN;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "7a4b61810aaeefb7a55dcc56853a28b9bf56cc2ec66ef57ced78745e0d46810a"`
[INFO] running `"docker" "rm" "-f" "7a4b61810aaeefb7a55dcc56853a28b9bf56cc2ec66ef57ced78745e0d46810a"`
[INFO] [stdout] 7a4b61810aaeefb7a55dcc56853a28b9bf56cc2ec66ef57ced78745e0d46810a