[INFO] cloning repository https://github.com/rbspy/rbspy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbspy/rbspy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbspy%2Frbspy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbspy%2Frbspy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87b71f36951edff5fa5176a0cea4607571bedee0
[INFO] checking rbspy/rbspy against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbspy%2Frbspy" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rbspy/rbspy on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/rbspy/rbspy
[INFO] finished tweaking git repo https://github.com/rbspy/rbspy
[INFO] tweaked toml for git repo https://github.com/rbspy/rbspy written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rbspy/rbspy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0991ddfd46f230fe047a2357d45ec27f7d6e7509c701678b44c85438491179c
[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" "d0991ddfd46f230fe047a2357d45ec27f7d6e7509c701678b44c85438491179c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0991ddfd46f230fe047a2357d45ec27f7d6e7509c701678b44c85438491179c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0991ddfd46f230fe047a2357d45ec27f7d6e7509c701678b44c85438491179c", kill_on_drop: false }`
[INFO] [stdout] d0991ddfd46f230fe047a2357d45ec27f7d6e7509c701678b44c85438491179c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c66ce5a4e4296bfbe2cad63f728265e7f9789ccc7387443f916428ec8cad70
[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" "56c66ce5a4e4296bfbe2cad63f728265e7f9789ccc7387443f916428ec8cad70", kill_on_drop: false }`
[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 cpp_demangle v0.3.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling remoteprocess v0.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking rbspy-ruby-structs v0.8.0 (/opt/rustwide/workdir/ruby-structs)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[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 ruby-structs/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=05b4c622f2da6ce5 -C extra-filename=-05b4c622f2da6ce5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (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" "56c66ce5a4e4296bfbe2cad63f728265e7f9789ccc7387443f916428ec8cad70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c66ce5a4e4296bfbe2cad63f728265e7f9789ccc7387443f916428ec8cad70", kill_on_drop: false }`
[INFO] [stdout] 56c66ce5a4e4296bfbe2cad63f728265e7f9789ccc7387443f916428ec8cad70