[INFO] fetching crate rlimit 0.5.3...
[INFO] checking rlimit-0.5.3 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate rlimit 0.5.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rlimit 0.5.3 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlimit 0.5.3
[INFO] finished tweaking crates.io crate rlimit 0.5.3
[INFO] tweaked toml for crates.io crate rlimit 0.5.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rlimit 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d21b7becc26a7012a4dee62889d977994ae8959fde3d03b08be7ace7fae81f0c
[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" "d21b7becc26a7012a4dee62889d977994ae8959fde3d03b08be7ace7fae81f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d21b7becc26a7012a4dee62889d977994ae8959fde3d03b08be7ace7fae81f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21b7becc26a7012a4dee62889d977994ae8959fde3d03b08be7ace7fae81f0c", kill_on_drop: false }`
[INFO] [stdout] d21b7becc26a7012a4dee62889d977994ae8959fde3d03b08be7ace7fae81f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6b3b36e9ffc511c9bf6b326db47ef6574d0fc74a5ecab8d910d64e00f657c3
[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" "7a6b3b36e9ffc511c9bf6b326db47ef6574d0fc74a5ecab8d910d64e00f657c3", kill_on_drop: false }`
[INFO] [stderr]     Checking rlimit v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "7a6b3b36e9ffc511c9bf6b326db47ef6574d0fc74a5ecab8d910d64e00f657c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6b3b36e9ffc511c9bf6b326db47ef6574d0fc74a5ecab8d910d64e00f657c3", kill_on_drop: false }`
[INFO] [stdout] 7a6b3b36e9ffc511c9bf6b326db47ef6574d0fc74a5ecab8d910d64e00f657c3