[INFO] fetching crate slabmalloc 0.10.0...
[INFO] checking slabmalloc-0.10.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate slabmalloc 0.10.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate slabmalloc 0.10.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slabmalloc 0.10.0
[INFO] finished tweaking crates.io crate slabmalloc 0.10.0
[INFO] tweaked toml for crates.io crate slabmalloc 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate slabmalloc 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f0a1f180efa1877f1c35b1bb5639383f37cfc05570c25ebc0ef9cdf0c6dc999
[INFO] running `Command { std: "docker" "start" "-a" "1f0a1f180efa1877f1c35b1bb5639383f37cfc05570c25ebc0ef9cdf0c6dc999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0a1f180efa1877f1c35b1bb5639383f37cfc05570c25ebc0ef9cdf0c6dc999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0a1f180efa1877f1c35b1bb5639383f37cfc05570c25ebc0ef9cdf0c6dc999", kill_on_drop: false }`
[INFO] [stdout] 1f0a1f180efa1877f1c35b1bb5639383f37cfc05570c25ebc0ef9cdf0c6dc999
[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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f28b975cffa4a8611965fc3b80fd090291e5c92c2e7f5291e1c7abbd41a0d8b
[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" "4f28b975cffa4a8611965fc3b80fd090291e5c92c2e7f5291e1c7abbd41a0d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr]     Checking slabmalloc v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "4f28b975cffa4a8611965fc3b80fd090291e5c92c2e7f5291e1c7abbd41a0d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f28b975cffa4a8611965fc3b80fd090291e5c92c2e7f5291e1c7abbd41a0d8b", kill_on_drop: false }`
[INFO] [stdout] 4f28b975cffa4a8611965fc3b80fd090291e5c92c2e7f5291e1c7abbd41a0d8b