[INFO] fetching crate arborist 0.0.5...
[INFO] checking arborist-0.0.5 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate arborist 0.0.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arborist 0.0.5 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arborist 0.0.5
[INFO] finished tweaking crates.io crate arborist 0.0.5
[INFO] tweaked toml for crates.io crate arborist 0.0.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 707d2d2b35ff8a53ee22151664e89ee70f75df36d337430af04afd9fa7ee1a3b
[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" "707d2d2b35ff8a53ee22151664e89ee70f75df36d337430af04afd9fa7ee1a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "707d2d2b35ff8a53ee22151664e89ee70f75df36d337430af04afd9fa7ee1a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707d2d2b35ff8a53ee22151664e89ee70f75df36d337430af04afd9fa7ee1a3b", kill_on_drop: false }`
[INFO] [stdout] 707d2d2b35ff8a53ee22151664e89ee70f75df36d337430af04afd9fa7ee1a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] debb8f38e6d56d4bfc6ef980edfdcdc5aba0c8cdbf3c0bd3457cf5471cafa5e3
[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" "debb8f38e6d56d4bfc6ef980edfdcdc5aba0c8cdbf3c0bd3457cf5471cafa5e3", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bonsai v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking arborist v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "debb8f38e6d56d4bfc6ef980edfdcdc5aba0c8cdbf3c0bd3457cf5471cafa5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debb8f38e6d56d4bfc6ef980edfdcdc5aba0c8cdbf3c0bd3457cf5471cafa5e3", kill_on_drop: false }`
[INFO] [stdout] debb8f38e6d56d4bfc6ef980edfdcdc5aba0c8cdbf3c0bd3457cf5471cafa5e3