[INFO] fetching crate mine 999999999.999999999.999999999...
[INFO] checking mine-999999999.999999999.999999999 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate mine 999999999.999999999.999999999 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate mine 999999999.999999999.999999999 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mine 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate mine 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate mine 999999999.999999999.999999999 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate mine 999999999.999999999.999999999 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 692fd67c3e441a88219a1a85d936e6f0496ecf3ea8cd7e3bc3c349d26b94d3b9
[INFO] running `Command { std: "docker" "start" "-a" "692fd67c3e441a88219a1a85d936e6f0496ecf3ea8cd7e3bc3c349d26b94d3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "692fd67c3e441a88219a1a85d936e6f0496ecf3ea8cd7e3bc3c349d26b94d3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692fd67c3e441a88219a1a85d936e6f0496ecf3ea8cd7e3bc3c349d26b94d3b9", kill_on_drop: false }`
[INFO] [stdout] 692fd67c3e441a88219a1a85d936e6f0496ecf3ea8cd7e3bc3c349d26b94d3b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 374fa4e6e034a9f2655f8aa51df8468ff3e345c4f1526931638229a4af4b2b48
[INFO] running `Command { std: "docker" "start" "-a" "374fa4e6e034a9f2655f8aa51df8468ff3e345c4f1526931638229a4af4b2b48", kill_on_drop: false }`
[INFO] [stderr]     Checking mine v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "374fa4e6e034a9f2655f8aa51df8468ff3e345c4f1526931638229a4af4b2b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374fa4e6e034a9f2655f8aa51df8468ff3e345c4f1526931638229a4af4b2b48", kill_on_drop: false }`
[INFO] [stdout] 374fa4e6e034a9f2655f8aa51df8468ff3e345c4f1526931638229a4af4b2b48