[INFO] fetching crate env-next-door 0.8.1...
[INFO] checking env-next-door-0.8.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate env-next-door 0.8.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate env-next-door 0.8.1 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 env-next-door 0.8.1
[INFO] finished tweaking crates.io crate env-next-door 0.8.1
[INFO] tweaked toml for crates.io crate env-next-door 0.8.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate env-next-door 0.8.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 31c237c07b71182bb8de57c95a9187a8a284e3096e04cb8f077d0f3f88c9c24d
[INFO] running `Command { std: "docker" "start" "-a" "31c237c07b71182bb8de57c95a9187a8a284e3096e04cb8f077d0f3f88c9c24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c237c07b71182bb8de57c95a9187a8a284e3096e04cb8f077d0f3f88c9c24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c237c07b71182bb8de57c95a9187a8a284e3096e04cb8f077d0f3f88c9c24d", kill_on_drop: false }`
[INFO] [stdout] 31c237c07b71182bb8de57c95a9187a8a284e3096e04cb8f077d0f3f88c9c24d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 0318aaf260c2bb5f0432d32e9b788a1f5d6764f46caec8ecbd56eaafde0f70ae
[INFO] running `Command { std: "docker" "start" "-a" "0318aaf260c2bb5f0432d32e9b788a1f5d6764f46caec8ecbd56eaafde0f70ae", kill_on_drop: false }`
[INFO] [stderr]     Checking env-next-door v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "0318aaf260c2bb5f0432d32e9b788a1f5d6764f46caec8ecbd56eaafde0f70ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0318aaf260c2bb5f0432d32e9b788a1f5d6764f46caec8ecbd56eaafde0f70ae", kill_on_drop: false }`
[INFO] [stdout] 0318aaf260c2bb5f0432d32e9b788a1f5d6764f46caec8ecbd56eaafde0f70ae