[INFO] fetching crate dark-vm 0.4.3...
[INFO] checking dark-vm-0.4.3 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate dark-vm 0.4.3 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate dark-vm 0.4.3 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 dark-vm 0.4.3
[INFO] finished tweaking crates.io crate dark-vm 0.4.3
[INFO] tweaked toml for crates.io crate dark-vm 0.4.3 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate dark-vm 0.4.3 already has a lockfile, it will not be regenerated
[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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 1ec5bf0c266f242f059428868998e60cdb9b5d58d8d900d888396372c25e1733
[INFO] running `Command { std: "docker" "start" "-a" "1ec5bf0c266f242f059428868998e60cdb9b5d58d8d900d888396372c25e1733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec5bf0c266f242f059428868998e60cdb9b5d58d8d900d888396372c25e1733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec5bf0c266f242f059428868998e60cdb9b5d58d8d900d888396372c25e1733", kill_on_drop: false }`
[INFO] [stdout] 1ec5bf0c266f242f059428868998e60cdb9b5d58d8d900d888396372c25e1733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 5aabad27f02405b38b52529856e0ac758480f7f7fdbd7a7ab7c17184731032d1
[INFO] running `Command { std: "docker" "start" "-a" "5aabad27f02405b38b52529856e0ac758480f7f7fdbd7a7ab7c17184731032d1", kill_on_drop: false }`
[INFO] [stderr]     Checking dark-vm v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "5aabad27f02405b38b52529856e0ac758480f7f7fdbd7a7ab7c17184731032d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aabad27f02405b38b52529856e0ac758480f7f7fdbd7a7ab7c17184731032d1", kill_on_drop: false }`
[INFO] [stdout] 5aabad27f02405b38b52529856e0ac758480f7f7fdbd7a7ab7c17184731032d1