[INFO] fetching crate as-is 0.0.1-alpha.4...
[INFO] checking as-is-0.0.1-alpha.4 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate as-is 0.0.1-alpha.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate as-is 0.0.1-alpha.4 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate as-is 0.0.1-alpha.4
[INFO] finished tweaking crates.io crate as-is 0.0.1-alpha.4
[INFO] tweaked toml for crates.io crate as-is 0.0.1-alpha.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faa34f8d5d8bc79091ae1160351877a97c77c8c3bbf72623e8544d3c8b5214fe
[INFO] running `Command { std: "docker" "start" "-a" "faa34f8d5d8bc79091ae1160351877a97c77c8c3bbf72623e8544d3c8b5214fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faa34f8d5d8bc79091ae1160351877a97c77c8c3bbf72623e8544d3c8b5214fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa34f8d5d8bc79091ae1160351877a97c77c8c3bbf72623e8544d3c8b5214fe", kill_on_drop: false }`
[INFO] [stdout] faa34f8d5d8bc79091ae1160351877a97c77c8c3bbf72623e8544d3c8b5214fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996ec510ab792f6a68fe41972aa79859ddef9e86f822d871ad2366007bfb6758
[INFO] running `Command { std: "docker" "start" "-a" "996ec510ab792f6a68fe41972aa79859ddef9e86f822d871ad2366007bfb6758", kill_on_drop: false }`
[INFO] [stderr]     Checking as-is v0.0.1-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "996ec510ab792f6a68fe41972aa79859ddef9e86f822d871ad2366007bfb6758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996ec510ab792f6a68fe41972aa79859ddef9e86f822d871ad2366007bfb6758", kill_on_drop: false }`
[INFO] [stdout] 996ec510ab792f6a68fe41972aa79859ddef9e86f822d871ad2366007bfb6758