[INFO] cloning repository https://github.com/simonhdickson/nekton
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonhdickson/nekton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Fnekton", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Fnekton'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01463c5b7922bdff6da7751f52739b6a2d16ecc1
[INFO] testing simonhdickson/nekton against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Fnekton" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonhdickson/nekton on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonhdickson/nekton
[INFO] finished tweaking git repo https://github.com/simonhdickson/nekton
[INFO] tweaked toml for git repo https://github.com/simonhdickson/nekton written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/simonhdickson/nekton already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 646f145296b63c87a5225bf2c99bf596f444461398fc652c323cc8405401c5a2
[INFO] running `Command { std: "docker" "start" "-a" "646f145296b63c87a5225bf2c99bf596f444461398fc652c323cc8405401c5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "646f145296b63c87a5225bf2c99bf596f444461398fc652c323cc8405401c5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646f145296b63c87a5225bf2c99bf596f444461398fc652c323cc8405401c5a2", kill_on_drop: false }`
[INFO] [stdout] 646f145296b63c87a5225bf2c99bf596f444461398fc652c323cc8405401c5a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546ca434499159d7848f07818ba7a7c241ba73fd048a6a93c7608e6f6b79f7cf
[INFO] running `Command { std: "docker" "start" "-a" "546ca434499159d7848f07818ba7a7c241ba73fd048a6a93c7608e6f6b79f7cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=d5908f5ef5715aae -C extra-filename=-d5908f5ef5715aae --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] running `Command { std: "docker" "inspect" "546ca434499159d7848f07818ba7a7c241ba73fd048a6a93c7608e6f6b79f7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546ca434499159d7848f07818ba7a7c241ba73fd048a6a93c7608e6f6b79f7cf", kill_on_drop: false }`
[INFO] [stdout] 546ca434499159d7848f07818ba7a7c241ba73fd048a6a93c7608e6f6b79f7cf