[INFO] fetching crate sentencepiece 0.8.0...
[INFO] checking sentencepiece-0.8.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate sentencepiece 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sentencepiece 0.8.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sentencepiece 0.8.0
[INFO] finished tweaking crates.io crate sentencepiece 0.8.0
[INFO] tweaked toml for crates.io crate sentencepiece 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-derive v0.8.0
[INFO] [stderr]   Downloaded prost v0.8.0
[INFO] [stderr]   Downloaded sentencepiece-sys v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b41f53dff74a3fa54b2a7ed1cb74feca51998e4b1611c8afdbe9608801e51fd7
[INFO] running `Command { std: "docker" "start" "-a" "b41f53dff74a3fa54b2a7ed1cb74feca51998e4b1611c8afdbe9608801e51fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b41f53dff74a3fa54b2a7ed1cb74feca51998e4b1611c8afdbe9608801e51fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41f53dff74a3fa54b2a7ed1cb74feca51998e4b1611c8afdbe9608801e51fd7", kill_on_drop: false }`
[INFO] [stdout] b41f53dff74a3fa54b2a7ed1cb74feca51998e4b1611c8afdbe9608801e51fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a70f1a330dab319b6506954853eaa2284971d28575a55909c8afcdb042fcfeb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a70f1a330dab319b6506954853eaa2284971d28575a55909c8afcdb042fcfeb2", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling sentencepiece-sys v0.7.1
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr] error: could not compile `prost-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name prost_derive --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.8.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=27983c6119db7c80 -C extra-filename=-27983c6119db7c80 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ad9b740788616d33.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-4584bcfa222d8e0a.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2541c4d7ea53f348.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-4db7358a1768f271.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-6df85f03af84bdb2.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a70f1a330dab319b6506954853eaa2284971d28575a55909c8afcdb042fcfeb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70f1a330dab319b6506954853eaa2284971d28575a55909c8afcdb042fcfeb2", kill_on_drop: false }`
[INFO] [stdout] a70f1a330dab319b6506954853eaa2284971d28575a55909c8afcdb042fcfeb2
