[INFO] fetching crate cuprate-levin 0.0.0-placeholder...
[INFO] checking cuprate-levin-0.0.0-placeholder against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cuprate-levin 0.0.0-placeholder into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cuprate-levin 0.0.0-placeholder
[INFO] finished tweaking crates.io crate cuprate-levin 0.0.0-placeholder
[INFO] tweaked toml for crates.io crate cuprate-levin 0.0.0-placeholder written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cuprate-levin 0.0.0-placeholder on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed67a3388b91822c40333b3d5edf333aff7d1d7f80617b31dd53d08665aeebd3
[INFO] running `Command { std: "docker" "start" "-a" "ed67a3388b91822c40333b3d5edf333aff7d1d7f80617b31dd53d08665aeebd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed67a3388b91822c40333b3d5edf333aff7d1d7f80617b31dd53d08665aeebd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed67a3388b91822c40333b3d5edf333aff7d1d7f80617b31dd53d08665aeebd3", kill_on_drop: false }`
[INFO] [stdout] ed67a3388b91822c40333b3d5edf333aff7d1d7f80617b31dd53d08665aeebd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fc98260e12f556a126ed04d05b06e9ded8ce125e724cf994b66df85ba85782
[INFO] running `Command { std: "docker" "start" "-a" "d4fc98260e12f556a126ed04d05b06e9ded8ce125e724cf994b66df85ba85782", kill_on_drop: false }`
[INFO] [stderr]     Checking cuprate-levin v0.0.0-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "d4fc98260e12f556a126ed04d05b06e9ded8ce125e724cf994b66df85ba85782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fc98260e12f556a126ed04d05b06e9ded8ce125e724cf994b66df85ba85782", kill_on_drop: false }`
[INFO] [stdout] d4fc98260e12f556a126ed04d05b06e9ded8ce125e724cf994b66df85ba85782