[INFO] fetching crate keeper 0.1.0...
[INFO] checking keeper-0.1.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate keeper 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate keeper 0.1.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keeper 0.1.0
[INFO] finished tweaking crates.io crate keeper 0.1.0
[INFO] tweaked toml for crates.io crate keeper 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12fa205600e0ddc177d93db5ce3acd41e7fa189f5c663214070f2747eefaf592
[INFO] running `Command { std: "docker" "start" "-a" "12fa205600e0ddc177d93db5ce3acd41e7fa189f5c663214070f2747eefaf592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12fa205600e0ddc177d93db5ce3acd41e7fa189f5c663214070f2747eefaf592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fa205600e0ddc177d93db5ce3acd41e7fa189f5c663214070f2747eefaf592", kill_on_drop: false }`
[INFO] [stdout] 12fa205600e0ddc177d93db5ce3acd41e7fa189f5c663214070f2747eefaf592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7acbdab1599c84270c5d1983df4df1bc4efb37637c7019f66de5b33701e69c87
[INFO] running `Command { std: "docker" "start" "-a" "7acbdab1599c84270c5d1983df4df1bc4efb37637c7019f66de5b33701e69c87", kill_on_drop: false }`
[INFO] [stderr]     Checking keeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "7acbdab1599c84270c5d1983df4df1bc4efb37637c7019f66de5b33701e69c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acbdab1599c84270c5d1983df4df1bc4efb37637c7019f66de5b33701e69c87", kill_on_drop: false }`
[INFO] [stdout] 7acbdab1599c84270c5d1983df4df1bc4efb37637c7019f66de5b33701e69c87