[INFO] fetching crate perf-event 0.4.7...
[INFO] checking perf-event-0.4.7 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate perf-event 0.4.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate perf-event 0.4.7 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate perf-event 0.4.7
[INFO] finished tweaking crates.io crate perf-event 0.4.7
[INFO] tweaked toml for crates.io crate perf-event 0.4.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate perf-event 0.4.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.0
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33c1c06edf416860287da96173e8b61fa7a9d48e99bf5b52ab0bc4e9c3f717a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "33c1c06edf416860287da96173e8b61fa7a9d48e99bf5b52ab0bc4e9c3f717a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33c1c06edf416860287da96173e8b61fa7a9d48e99bf5b52ab0bc4e9c3f717a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c1c06edf416860287da96173e8b61fa7a9d48e99bf5b52ab0bc4e9c3f717a7", kill_on_drop: false }`
[INFO] [stdout] 33c1c06edf416860287da96173e8b61fa7a9d48e99bf5b52ab0bc4e9c3f717a7
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94dcf42f5e035da0a0612972123f4fc78cb1dcc2a8d492f6e684c2a3bb726068
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94dcf42f5e035da0a0612972123f4fc78cb1dcc2a8d492f6e684c2a3bb726068", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking perf-event-open-sys v1.0.0
[INFO] [stderr]     Checking perf-event v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "94dcf42f5e035da0a0612972123f4fc78cb1dcc2a8d492f6e684c2a3bb726068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94dcf42f5e035da0a0612972123f4fc78cb1dcc2a8d492f6e684c2a3bb726068", kill_on_drop: false }`
[INFO] [stdout] 94dcf42f5e035da0a0612972123f4fc78cb1dcc2a8d492f6e684c2a3bb726068