[INFO] fetching crate microstatus 0.0.1...
[INFO] checking microstatus-0.0.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate microstatus 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate microstatus 0.0.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microstatus 0.0.1
[INFO] finished tweaking crates.io crate microstatus 0.0.1
[INFO] tweaked toml for crates.io crate microstatus 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efbce4993a6d5125d116f88c747c9bd9ac97d469c67d1e5b44c4525a2767f26d
[INFO] running `Command { std: "docker" "start" "-a" "efbce4993a6d5125d116f88c747c9bd9ac97d469c67d1e5b44c4525a2767f26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbce4993a6d5125d116f88c747c9bd9ac97d469c67d1e5b44c4525a2767f26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbce4993a6d5125d116f88c747c9bd9ac97d469c67d1e5b44c4525a2767f26d", kill_on_drop: false }`
[INFO] [stdout] efbce4993a6d5125d116f88c747c9bd9ac97d469c67d1e5b44c4525a2767f26d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94d7f19615da53442b1b9f6f00f14a7b4f85beac2a273587df170e3707e8a511
[INFO] running `Command { std: "docker" "start" "-a" "94d7f19615da53442b1b9f6f00f14a7b4f85beac2a273587df170e3707e8a511", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking microstatus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "94d7f19615da53442b1b9f6f00f14a7b4f85beac2a273587df170e3707e8a511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d7f19615da53442b1b9f6f00f14a7b4f85beac2a273587df170e3707e8a511", kill_on_drop: false }`
[INFO] [stdout] 94d7f19615da53442b1b9f6f00f14a7b4f85beac2a273587df170e3707e8a511