[INFO] fetching crate vermilion 0.0.0-unreleased...
[INFO] checking vermilion-0.0.0-unreleased against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate vermilion 0.0.0-unreleased into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vermilion 0.0.0-unreleased on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vermilion 0.0.0-unreleased
[INFO] finished tweaking crates.io crate vermilion 0.0.0-unreleased
[INFO] tweaked toml for crates.io crate vermilion 0.0.0-unreleased written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate vermilion 0.0.0-unreleased already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a32ee41be819d2da216feab7ad04fc157786c02b44cf5c036044329a62d2153
[INFO] running `Command { std: "docker" "start" "-a" "7a32ee41be819d2da216feab7ad04fc157786c02b44cf5c036044329a62d2153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a32ee41be819d2da216feab7ad04fc157786c02b44cf5c036044329a62d2153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a32ee41be819d2da216feab7ad04fc157786c02b44cf5c036044329a62d2153", kill_on_drop: false }`
[INFO] [stdout] 7a32ee41be819d2da216feab7ad04fc157786c02b44cf5c036044329a62d2153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e00d7426750d2f34e7e42d3036ad99c43f43fc24870cc340f1ece4c6413bac82
[INFO] running `Command { std: "docker" "start" "-a" "e00d7426750d2f34e7e42d3036ad99c43f43fc24870cc340f1ece4c6413bac82", kill_on_drop: false }`
[INFO] [stderr]     Checking vermilion v0.0.0-unreleased (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e00d7426750d2f34e7e42d3036ad99c43f43fc24870cc340f1ece4c6413bac82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00d7426750d2f34e7e42d3036ad99c43f43fc24870cc340f1ece4c6413bac82", kill_on_drop: false }`
[INFO] [stdout] e00d7426750d2f34e7e42d3036ad99c43f43fc24870cc340f1ece4c6413bac82