[INFO] fetching crate simple_spawn_blocking 1.1.0...
[INFO] building simple_spawn_blocking-1.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate simple_spawn_blocking 1.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate simple_spawn_blocking 1.1.0
[INFO] finished tweaking crates.io crate simple_spawn_blocking 1.1.0
[INFO] tweaked toml for crates.io crate simple_spawn_blocking 1.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_spawn_blocking 1.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate simple_spawn_blocking 1.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f462100a1bd8183c733295da1c905782d8d37d853bd2b2e819f4eb95accc1953
[INFO] running `Command { std: "docker" "start" "-a" "f462100a1bd8183c733295da1c905782d8d37d853bd2b2e819f4eb95accc1953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f462100a1bd8183c733295da1c905782d8d37d853bd2b2e819f4eb95accc1953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f462100a1bd8183c733295da1c905782d8d37d853bd2b2e819f4eb95accc1953", kill_on_drop: false }`
[INFO] [stdout] f462100a1bd8183c733295da1c905782d8d37d853bd2b2e819f4eb95accc1953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 718ab18d9ce816d32adbaf9a8a6bf213992a3a527ef26c1bafed9447bf7969ec
[INFO] running `Command { std: "docker" "start" "-a" "718ab18d9ce816d32adbaf9a8a6bf213992a3a527ef26c1bafed9447bf7969ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_spawn_blocking v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "718ab18d9ce816d32adbaf9a8a6bf213992a3a527ef26c1bafed9447bf7969ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718ab18d9ce816d32adbaf9a8a6bf213992a3a527ef26c1bafed9447bf7969ec", kill_on_drop: false }`
[INFO] [stdout] 718ab18d9ce816d32adbaf9a8a6bf213992a3a527ef26c1bafed9447bf7969ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c9a59090b8921d5eed7b7477231ddd6c0995988ec530ece956edbdb7a78a36
[INFO] running `Command { std: "docker" "start" "-a" "e8c9a59090b8921d5eed7b7477231ddd6c0995988ec530ece956edbdb7a78a36", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_spawn_blocking v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "e8c9a59090b8921d5eed7b7477231ddd6c0995988ec530ece956edbdb7a78a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c9a59090b8921d5eed7b7477231ddd6c0995988ec530ece956edbdb7a78a36", kill_on_drop: false }`
[INFO] [stdout] e8c9a59090b8921d5eed7b7477231ddd6c0995988ec530ece956edbdb7a78a36