[INFO] fetching crate causality 0.2.0...
[INFO] checking causality-0.2.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate causality 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate causality 0.2.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate causality 0.2.0
[INFO] finished tweaking crates.io crate causality 0.2.0
[INFO] tweaked toml for crates.io crate causality 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 9b1ab61232380a80f9c1845e5b0514a9c7adb5ab114b3ba3141360256a8df4eb
[INFO] running `Command { std: "docker" "start" "-a" "9b1ab61232380a80f9c1845e5b0514a9c7adb5ab114b3ba3141360256a8df4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b1ab61232380a80f9c1845e5b0514a9c7adb5ab114b3ba3141360256a8df4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1ab61232380a80f9c1845e5b0514a9c7adb5ab114b3ba3141360256a8df4eb", kill_on_drop: false }`
[INFO] [stdout] 9b1ab61232380a80f9c1845e5b0514a9c7adb5ab114b3ba3141360256a8df4eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a1c614dafab1cacffd5f9ff806350dd9f6e0548f4da522961deb080cee4cfcd
[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" "8a1c614dafab1cacffd5f9ff806350dd9f6e0548f4da522961deb080cee4cfcd", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-error v0.2.3
[INFO] [stderr]     Checking causality v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "8a1c614dafab1cacffd5f9ff806350dd9f6e0548f4da522961deb080cee4cfcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1c614dafab1cacffd5f9ff806350dd9f6e0548f4da522961deb080cee4cfcd", kill_on_drop: false }`
[INFO] [stdout] 8a1c614dafab1cacffd5f9ff806350dd9f6e0548f4da522961deb080cee4cfcd