[INFO] fetching crate grip 0.0.0...
[INFO] building grip-0.0.0 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate grip 0.0.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate grip 0.0.0 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grip 0.0.0
[INFO] finished tweaking crates.io crate grip 0.0.0
[INFO] tweaked toml for crates.io crate grip 0.0.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate grip 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c8c054c64dd567e6e8ca2a7c50cce0a87f430f26416e9ea9e05bec657c1f7a8
[INFO] running `Command { std: "docker" "start" "-a" "2c8c054c64dd567e6e8ca2a7c50cce0a87f430f26416e9ea9e05bec657c1f7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8c054c64dd567e6e8ca2a7c50cce0a87f430f26416e9ea9e05bec657c1f7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8c054c64dd567e6e8ca2a7c50cce0a87f430f26416e9ea9e05bec657c1f7a8", kill_on_drop: false }`
[INFO] [stdout] 2c8c054c64dd567e6e8ca2a7c50cce0a87f430f26416e9ea9e05bec657c1f7a8
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db15aaae601b834f7c343533ef3d5de22a0adb1400a5bd9c5490609994ac2750
[INFO] running `Command { std: "docker" "start" "-a" "db15aaae601b834f7c343533ef3d5de22a0adb1400a5bd9c5490609994ac2750", kill_on_drop: false }`
[INFO] [stderr]    Compiling grip v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "db15aaae601b834f7c343533ef3d5de22a0adb1400a5bd9c5490609994ac2750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db15aaae601b834f7c343533ef3d5de22a0adb1400a5bd9c5490609994ac2750", kill_on_drop: false }`
[INFO] [stdout] db15aaae601b834f7c343533ef3d5de22a0adb1400a5bd9c5490609994ac2750
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b512ac91146b8d3e424c6d4d9cf53d70672ee9a5c4854a038183db8cc6ede9a
[INFO] running `Command { std: "docker" "start" "-a" "2b512ac91146b8d3e424c6d4d9cf53d70672ee9a5c4854a038183db8cc6ede9a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling grip v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/grip-670d0b927fdddd8c)
[INFO] running `Command { std: "docker" "inspect" "2b512ac91146b8d3e424c6d4d9cf53d70672ee9a5c4854a038183db8cc6ede9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b512ac91146b8d3e424c6d4d9cf53d70672ee9a5c4854a038183db8cc6ede9a", kill_on_drop: false }`
[INFO] [stdout] 2b512ac91146b8d3e424c6d4d9cf53d70672ee9a5c4854a038183db8cc6ede9a