[INFO] fetching crate r0 1.0.0...
[INFO] building r0-1.0.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate r0 1.0.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate r0 1.0.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r0 1.0.0
[INFO] finished tweaking crates.io crate r0 1.0.0
[INFO] tweaked toml for crates.io crate r0 1.0.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1c95a11d07f00238b20e4de30daad4ab88edd4c54e7424d906cc4577d5e220f
[INFO] running `Command { std: "docker" "start" "-a" "c1c95a11d07f00238b20e4de30daad4ab88edd4c54e7424d906cc4577d5e220f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1c95a11d07f00238b20e4de30daad4ab88edd4c54e7424d906cc4577d5e220f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c95a11d07f00238b20e4de30daad4ab88edd4c54e7424d906cc4577d5e220f", kill_on_drop: false }`
[INFO] [stdout] c1c95a11d07f00238b20e4de30daad4ab88edd4c54e7424d906cc4577d5e220f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1483227f7ff6c7274e995f08dc3c90c6e946aff7e05f124dbfe237fd6f302bb8
[INFO] running `Command { std: "docker" "start" "-a" "1483227f7ff6c7274e995f08dc3c90c6e946aff7e05f124dbfe237fd6f302bb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling r0 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "1483227f7ff6c7274e995f08dc3c90c6e946aff7e05f124dbfe237fd6f302bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1483227f7ff6c7274e995f08dc3c90c6e946aff7e05f124dbfe237fd6f302bb8", kill_on_drop: false }`
[INFO] [stdout] 1483227f7ff6c7274e995f08dc3c90c6e946aff7e05f124dbfe237fd6f302bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b3fb381115a4e9e0e754a453cced2b5f639d2e8d0a427ea613e42b6624fe337
[INFO] running `Command { std: "docker" "start" "-a" "7b3fb381115a4e9e0e754a453cced2b5f639d2e8d0a427ea613e42b6624fe337", kill_on_drop: false }`
[INFO] [stderr]    Compiling r0 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "7b3fb381115a4e9e0e754a453cced2b5f639d2e8d0a427ea613e42b6624fe337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3fb381115a4e9e0e754a453cced2b5f639d2e8d0a427ea613e42b6624fe337", kill_on_drop: false }`
[INFO] [stdout] 7b3fb381115a4e9e0e754a453cced2b5f639d2e8d0a427ea613e42b6624fe337