[INFO] updating cached repository https://github.com/andrewdavidmackenzie/libproc-rs
[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] 36a1ca49cfcdb06eea795ba2ecc28d3e9eedc14f
[INFO] checking andrewdavidmackenzie/libproc-rs against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewdavidmackenzie%2Flibproc-rs" "/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/andrewdavidmackenzie/libproc-rs 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/andrewdavidmackenzie/libproc-rs
[INFO] finished tweaking git repo https://github.com/andrewdavidmackenzie/libproc-rs
[INFO] tweaked toml for git repo https://github.com/andrewdavidmackenzie/libproc-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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] [stdout] 754a1a3184b70f2cacd303d7b3b7c246dcabdcafaa550b7212cf30345b307afd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "754a1a3184b70f2cacd303d7b3b7c246dcabdcafaa550b7212cf30345b307afd"`
[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 1.91s
[INFO] running `"docker" "inspect" "754a1a3184b70f2cacd303d7b3b7c246dcabdcafaa550b7212cf30345b307afd"`
[INFO] running `"docker" "rm" "-f" "754a1a3184b70f2cacd303d7b3b7c246dcabdcafaa550b7212cf30345b307afd"`
[INFO] [stdout] 754a1a3184b70f2cacd303d7b3b7c246dcabdcafaa550b7212cf30345b307afd