[INFO] fetching crate cargo-aur 1.7.1...
[INFO] building cargo-aur-1.7.1 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate cargo-aur 1.7.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cargo-aur 1.7.1 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-aur 1.7.1
[INFO] finished tweaking crates.io crate cargo-aur 1.7.1
[INFO] tweaked toml for crates.io crate cargo-aur 1.7.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-aur 1.7.1 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hmac-sha256 v1.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 129c8c627a6fa5a66128e9b688927976819b838d1b45a6e059092da75733c1b3
[INFO] running `Command { std: "docker" "start" "-a" "129c8c627a6fa5a66128e9b688927976819b838d1b45a6e059092da75733c1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "129c8c627a6fa5a66128e9b688927976819b838d1b45a6e059092da75733c1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129c8c627a6fa5a66128e9b688927976819b838d1b45a6e059092da75733c1b3", kill_on_drop: false }`
[INFO] [stdout] 129c8c627a6fa5a66128e9b688927976819b838d1b45a6e059092da75733c1b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8786e866678ceb62940981651522fc3e27d15c7eb797c1c3231daba63e1d2c2
[INFO] running `Command { std: "docker" "start" "-a" "e8786e866678ceb62940981651522fc3e27d15c7eb797c1c3231daba63e1d2c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling winnow v0.6.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling hmac-sha256 v1.1.7
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `gumdrop_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/44f415c1d617ebc7b931a243b7b321ef8a6ca47c/bin/rustc --crate-name gumdrop_derive --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gumdrop_derive-0.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "default_expr"))' -C metadata=0d717dd440dca4e0 -C extra-filename=-5c87f01a5f626237 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6bfa28ef058ae3e7.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-a21f373d0a43c970.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-eeca7cee390ba30a.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaiJ1hhe/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e8786e866678ceb62940981651522fc3e27d15c7eb797c1c3231daba63e1d2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8786e866678ceb62940981651522fc3e27d15c7eb797c1c3231daba63e1d2c2", kill_on_drop: false }`
[INFO] [stdout] e8786e866678ceb62940981651522fc3e27d15c7eb797c1c3231daba63e1d2c2