[INFO] cloning repository https://github.com/christophermaier/zmq-grpc-proxy-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christophermaier/zmq-grpc-proxy-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophermaier%2Fzmq-grpc-proxy-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophermaier%2Fzmq-grpc-proxy-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36eeaa43294576eb4961b8df3373487ad53b87ec
[INFO] checking christophermaier/zmq-grpc-proxy-poc against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophermaier%2Fzmq-grpc-proxy-poc" "/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/christophermaier/zmq-grpc-proxy-poc on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christophermaier/zmq-grpc-proxy-poc
[INFO] finished tweaking git repo https://github.com/christophermaier/zmq-grpc-proxy-poc
[INFO] tweaked toml for git repo https://github.com/christophermaier/zmq-grpc-proxy-poc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/christophermaier/zmq-grpc-proxy-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmq-sys v0.11.0
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded tower-make v0.3.0
[INFO] [stderr]   Downloaded tower-ready-cache v0.3.1
[INFO] [stderr]   Downloaded tower-balance v0.3.0
[INFO] [stderr]   Downloaded tower-load-shed v0.3.0
[INFO] [stderr]   Downloaded tower-buffer v0.3.0
[INFO] [stderr]   Downloaded tower-layer v0.3.0
[INFO] [stderr]   Downloaded cmake v0.1.43
[INFO] [stderr]   Downloaded tonic-build v0.1.1
[INFO] [stderr]   Downloaded zmq v0.9.2
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] [stderr]   Downloaded tower-timeout v0.3.0
[INFO] [stderr]   Downloaded tower-retry v0.3.0
[INFO] [stderr]   Downloaded tower-util v0.3.1
[INFO] [stderr]   Downloaded tonic v0.1.1
[INFO] [stderr]   Downloaded tower v0.3.1
[INFO] [stderr]   Downloaded zeromq-src v0.1.10+4.3.2
[INFO] [stderr]   Downloaded tower-limit v0.3.1
[INFO] [stderr]   Downloaded tracing v0.1.14
[INFO] [stderr]   Downloaded tower-discover v0.3.0
[INFO] [stderr]   Downloaded tower-load v0.3.0
[INFO] [stderr]   Downloaded cc v1.0.53
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eb6d326eca73f96e861a16180b84e62be0dbd8395ed211e381fa83dc483e7a9
[INFO] running `Command { std: "docker" "start" "-a" "9eb6d326eca73f96e861a16180b84e62be0dbd8395ed211e381fa83dc483e7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb6d326eca73f96e861a16180b84e62be0dbd8395ed211e381fa83dc483e7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb6d326eca73f96e861a16180b84e62be0dbd8395ed211e381fa83dc483e7a9", kill_on_drop: false }`
[INFO] [stdout] 9eb6d326eca73f96e861a16180b84e62be0dbd8395ed211e381fa83dc483e7a9
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 775f2d716bc95e16aea87513e1abe265aa6c9d1863b32fcb5c9bcfa037635629
[INFO] running `Command { std: "docker" "start" "-a" "775f2d716bc95e16aea87513e1abe265aa6c9d1863b32fcb5c9bcfa037635629", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling cmake v0.1.43
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.22/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=c480f3174d4fb479 -C extra-filename=-c480f3174d4fb479 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-11d9a373d35e8582.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-05db360bfe561902.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4a6c9433f1516f68.rmeta --cap-lints allow --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" "775f2d716bc95e16aea87513e1abe265aa6c9d1863b32fcb5c9bcfa037635629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775f2d716bc95e16aea87513e1abe265aa6c9d1863b32fcb5c9bcfa037635629", kill_on_drop: false }`
[INFO] [stdout] 775f2d716bc95e16aea87513e1abe265aa6c9d1863b32fcb5c9bcfa037635629