[INFO] fetching crate squatter 0.0.1...
[INFO] checking squatter-0.0.1 against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] extracting crate squatter 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate squatter 0.0.1
[INFO] finished tweaking crates.io crate squatter 0.0.1
[INFO] tweaked toml for crates.io crate squatter 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate squatter 0.0.1 on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate squatter 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ff1df5806a539d2506923a375548087d28ac05af39123c3c37ebb6dd5e9d62b
[INFO] running `Command { std: "docker" "start" "-a" "9ff1df5806a539d2506923a375548087d28ac05af39123c3c37ebb6dd5e9d62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ff1df5806a539d2506923a375548087d28ac05af39123c3c37ebb6dd5e9d62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff1df5806a539d2506923a375548087d28ac05af39123c3c37ebb6dd5e9d62b", kill_on_drop: false }`
[INFO] [stdout] 9ff1df5806a539d2506923a375548087d28ac05af39123c3c37ebb6dd5e9d62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e815d49146e344b1a7979912107ea878a057d9d5f9bef5fbaa267d5af8bffad
[INFO] running `Command { std: "docker" "start" "-a" "6e815d49146e344b1a7979912107ea878a057d9d5f9bef5fbaa267d5af8bffad", kill_on_drop: false }`
[INFO] [stderr]     Checking squatter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "6e815d49146e344b1a7979912107ea878a057d9d5f9bef5fbaa267d5af8bffad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e815d49146e344b1a7979912107ea878a057d9d5f9bef5fbaa267d5af8bffad", kill_on_drop: false }`
[INFO] [stdout] 6e815d49146e344b1a7979912107ea878a057d9d5f9bef5fbaa267d5af8bffad