[INFO] fetching crate unikit 0.1.0...
[INFO] testing unikit-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate unikit 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate unikit 0.1.0
[INFO] finished tweaking crates.io crate unikit 0.1.0
[INFO] tweaked toml for crates.io crate unikit 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unikit 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unikit 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f2c3d0b1008d07b8ab51f5cf739907a453a9bb65eeb99c66cc3ee6d5a585a66
[INFO] running `Command { std: "docker" "start" "-a" "4f2c3d0b1008d07b8ab51f5cf739907a453a9bb65eeb99c66cc3ee6d5a585a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2c3d0b1008d07b8ab51f5cf739907a453a9bb65eeb99c66cc3ee6d5a585a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2c3d0b1008d07b8ab51f5cf739907a453a9bb65eeb99c66cc3ee6d5a585a66", kill_on_drop: false }`
[INFO] [stdout] 4f2c3d0b1008d07b8ab51f5cf739907a453a9bb65eeb99c66cc3ee6d5a585a66
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c001f3fee807fcc04507f484d0e12efe9e5d5491bbbc75d128236370463ca668
[INFO] running `Command { std: "docker" "start" "-a" "c001f3fee807fcc04507f484d0e12efe9e5d5491bbbc75d128236370463ca668", kill_on_drop: false }`
[INFO] [stderr]    Compiling unikit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling unikit-macros v0.1.0
[INFO] [stderr] error: failed to run custom build command for `unikit v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/unikit-531e48f0ad23e99d/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-check-cfg=cfg(protocol, values("multiboot"))
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: "Unsupported target: x86_64-unknown-linux-gnu"
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c001f3fee807fcc04507f484d0e12efe9e5d5491bbbc75d128236370463ca668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c001f3fee807fcc04507f484d0e12efe9e5d5491bbbc75d128236370463ca668", kill_on_drop: false }`
[INFO] [stdout] c001f3fee807fcc04507f484d0e12efe9e5d5491bbbc75d128236370463ca668