[INFO] fetching crate spk 0.1.0...
[INFO] checking spk-0.1.0 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate spk 0.1.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate spk 0.1.0 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spk 0.1.0
[INFO] finished tweaking crates.io crate spk 0.1.0
[INFO] tweaked toml for crates.io crate spk 0.1.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate spk 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be35335727f63f52e3c938e294958a4d3f8547d8b1f8c26f9725fffc76a8bdb2
[INFO] running `Command { std: "docker" "start" "-a" "be35335727f63f52e3c938e294958a4d3f8547d8b1f8c26f9725fffc76a8bdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be35335727f63f52e3c938e294958a4d3f8547d8b1f8c26f9725fffc76a8bdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be35335727f63f52e3c938e294958a4d3f8547d8b1f8c26f9725fffc76a8bdb2", kill_on_drop: false }`
[INFO] [stdout] be35335727f63f52e3c938e294958a4d3f8547d8b1f8c26f9725fffc76a8bdb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1d097934b6b28f6f4fb69e6fe1e6760fda241771fefbda7ab1a2019f4c285fc
[INFO] running `Command { std: "docker" "start" "-a" "e1d097934b6b28f6f4fb69e6fe1e6760fda241771fefbda7ab1a2019f4c285fc", kill_on_drop: false }`
[INFO] [stderr]     Checking spk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "e1d097934b6b28f6f4fb69e6fe1e6760fda241771fefbda7ab1a2019f4c285fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d097934b6b28f6f4fb69e6fe1e6760fda241771fefbda7ab1a2019f4c285fc", kill_on_drop: false }`
[INFO] [stdout] e1d097934b6b28f6f4fb69e6fe1e6760fda241771fefbda7ab1a2019f4c285fc