[INFO] fetching crate rbspy 0.8.1...
[INFO] testing rbspy-0.8.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rbspy 0.8.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rbspy 0.8.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking crates.io crate rbspy 0.8.1
[INFO] finished tweaking crates.io crate rbspy 0.8.1
[INFO] tweaked toml for crates.io crate rbspy 0.8.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate rbspy 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c4aa9872aa38dc5eca46794356e80ec7c8d15a88ba2923c8a78a47aef9161c0
[INFO] running `Command { std: "docker" "start" "-a" "3c4aa9872aa38dc5eca46794356e80ec7c8d15a88ba2923c8a78a47aef9161c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c4aa9872aa38dc5eca46794356e80ec7c8d15a88ba2923c8a78a47aef9161c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4aa9872aa38dc5eca46794356e80ec7c8d15a88ba2923c8a78a47aef9161c0", kill_on_drop: false }`
[INFO] [stdout] 3c4aa9872aa38dc5eca46794356e80ec7c8d15a88ba2923c8a78a47aef9161c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e171ed37e74aecd23ef87f8ebb4223ac43a8e01f7be2cdbe64bc4710aef514f
[INFO] running `Command { std: "docker" "start" "-a" "2e171ed37e74aecd23ef87f8ebb4223ac43a8e01f7be2cdbe64bc4710aef514f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling remoteprocess v0.4.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rbspy-ruby-structs v0.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling elf v0.0.10
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling benfred-read-process-memory v0.2.1
[INFO] [stderr]    Compiling proc-maps v0.1.8
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr] error: could not compile `rbspy-ruby-structs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rbspy_ruby_structs /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rbspy-ruby-structs-0.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b913e549a178edc1 -C extra-filename=-b913e549a178edc1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "2e171ed37e74aecd23ef87f8ebb4223ac43a8e01f7be2cdbe64bc4710aef514f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e171ed37e74aecd23ef87f8ebb4223ac43a8e01f7be2cdbe64bc4710aef514f", kill_on_drop: false }`
[INFO] [stdout] 2e171ed37e74aecd23ef87f8ebb4223ac43a8e01f7be2cdbe64bc4710aef514f