[INFO] fetching crate spectator 0.0.0...
[INFO] building spectator-0.0.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate spectator 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate spectator 0.0.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spectator 0.0.0
[INFO] finished tweaking crates.io crate spectator 0.0.0
[INFO] tweaked toml for crates.io crate spectator 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate spectator 0.0.0 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 135e66ae89d30d0e638cd027626c0517c210fde4d635b875446c6dc62450ec8f
[INFO] running `Command { std: "docker" "start" "-a" "135e66ae89d30d0e638cd027626c0517c210fde4d635b875446c6dc62450ec8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "135e66ae89d30d0e638cd027626c0517c210fde4d635b875446c6dc62450ec8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135e66ae89d30d0e638cd027626c0517c210fde4d635b875446c6dc62450ec8f", kill_on_drop: false }`
[INFO] [stdout] 135e66ae89d30d0e638cd027626c0517c210fde4d635b875446c6dc62450ec8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad394e2cd01ee171d8c38aa54c339283fa6511b554ac1942d622c447f3ad1c11
[INFO] running `Command { std: "docker" "start" "-a" "ad394e2cd01ee171d8c38aa54c339283fa6511b554ac1942d622c447f3ad1c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling spectator v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ad394e2cd01ee171d8c38aa54c339283fa6511b554ac1942d622c447f3ad1c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad394e2cd01ee171d8c38aa54c339283fa6511b554ac1942d622c447f3ad1c11", kill_on_drop: false }`
[INFO] [stdout] ad394e2cd01ee171d8c38aa54c339283fa6511b554ac1942d622c447f3ad1c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad046bf22568951780734f9490ffa8ae6d9fa0eb3bc400c78dfd937b7e66b700
[INFO] running `Command { std: "docker" "start" "-a" "ad046bf22568951780734f9490ffa8ae6d9fa0eb3bc400c78dfd937b7e66b700", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/spectator-68734c9516e6ee76`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "ad046bf22568951780734f9490ffa8ae6d9fa0eb3bc400c78dfd937b7e66b700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad046bf22568951780734f9490ffa8ae6d9fa0eb3bc400c78dfd937b7e66b700", kill_on_drop: false }`
[INFO] [stdout] ad046bf22568951780734f9490ffa8ae6d9fa0eb3bc400c78dfd937b7e66b700