[INFO] cloning repository https://github.com/erichgess/zmq_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erichgess/zmq_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferichgess%2Fzmq_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferichgess%2Fzmq_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c048e416443e6cc13764630849abcafba4506641
[INFO] checking erichgess/zmq_example against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferichgess%2Fzmq_example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erichgess/zmq_example on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erichgess/zmq_example
[INFO] finished tweaking git repo https://github.com/erichgess/zmq_example
[INFO] tweaked toml for git repo https://github.com/erichgess/zmq_example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/erichgess/zmq_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d16be8cb7494a1037452ff154c6b27ed065088ee26583958d2cbc8dcb935aed
[INFO] running `Command { std: "docker" "start" "-a" "4d16be8cb7494a1037452ff154c6b27ed065088ee26583958d2cbc8dcb935aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d16be8cb7494a1037452ff154c6b27ed065088ee26583958d2cbc8dcb935aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d16be8cb7494a1037452ff154c6b27ed065088ee26583958d2cbc8dcb935aed", kill_on_drop: false }`
[INFO] [stdout] 4d16be8cb7494a1037452ff154c6b27ed065088ee26583958d2cbc8dcb935aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0555f6fdf88237bc4caa96a3fc52d5e4bfa1a0af68d6ab5f77ccba9ea6545a
[INFO] running `Command { std: "docker" "start" "-a" "bc0555f6fdf88237bc4caa96a3fc52d5e4bfa1a0af68d6ab5f77ccba9ea6545a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.125/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 --cfg 'feature="default"' -C metadata=053a996dd9fa447e -C extra-filename=-053a996dd9fa447e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-224677e73985df77.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-0afeb380bd68c843.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-7a1a26b86f7dab87.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (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" "bc0555f6fdf88237bc4caa96a3fc52d5e4bfa1a0af68d6ab5f77ccba9ea6545a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0555f6fdf88237bc4caa96a3fc52d5e4bfa1a0af68d6ab5f77ccba9ea6545a", kill_on_drop: false }`
[INFO] [stdout] bc0555f6fdf88237bc4caa96a3fc52d5e4bfa1a0af68d6ab5f77ccba9ea6545a