[INFO] fetching crate spice21int 0.1.5...
[INFO] checking spice21int-0.1.5 against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] extracting crate spice21int 0.1.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate spice21int 0.1.5
[INFO] finished tweaking crates.io crate spice21int 0.1.5
[INFO] tweaked toml for crates.io crate spice21int 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spice21int 0.1.5 on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding prost v0.6.1 (available: v0.14.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac14c8e50e5af2dc4407c40271087fc3e87d703823a7e3dbdc1dfa6ffdce3b0e
[INFO] running `Command { std: "docker" "start" "-a" "ac14c8e50e5af2dc4407c40271087fc3e87d703823a7e3dbdc1dfa6ffdce3b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac14c8e50e5af2dc4407c40271087fc3e87d703823a7e3dbdc1dfa6ffdce3b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac14c8e50e5af2dc4407c40271087fc3e87d703823a7e3dbdc1dfa6ffdce3b0e", kill_on_drop: false }`
[INFO] [stdout] ac14c8e50e5af2dc4407c40271087fc3e87d703823a7e3dbdc1dfa6ffdce3b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 357b1e10fcce87c8d406c9cb89c528ab86cdd29fb51f6d06f891a6f25f1f8eaf
[INFO] running `Command { std: "docker" "start" "-a" "357b1e10fcce87c8d406c9cb89c528ab86cdd29fb51f6d06f891a6f25f1f8eaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking spice21int v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "357b1e10fcce87c8d406c9cb89c528ab86cdd29fb51f6d06f891a6f25f1f8eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357b1e10fcce87c8d406c9cb89c528ab86cdd29fb51f6d06f891a6f25f1f8eaf", kill_on_drop: false }`
[INFO] [stdout] 357b1e10fcce87c8d406c9cb89c528ab86cdd29fb51f6d06f891a6f25f1f8eaf