[INFO] cloning repository https://github.com/dwgill/city-of-citizens
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwgill/city-of-citizens" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwgill%2Fcity-of-citizens", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwgill%2Fcity-of-citizens'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a63a10b71f492100b92612cb27fa0b16f53ec2c0
[INFO] testing dwgill/city-of-citizens against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwgill%2Fcity-of-citizens" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwgill/city-of-citizens 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] started tweaking git repo https://github.com/dwgill/city-of-citizens
[INFO] finished tweaking git repo https://github.com/dwgill/city-of-citizens
[INFO] tweaked toml for git repo https://github.com/dwgill/city-of-citizens written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/dwgill/city-of-citizens 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alga v0.5.4
[INFO] [stderr]   Downloaded lyon_tessellation v0.10.2
[INFO] [stderr]   Downloaded lyon v0.10.2
[INFO] [stderr]   Downloaded inflate v0.4.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.4.0
[INFO] [stderr]   Downloaded app_dirs2 v2.0.3
[INFO] [stderr]   Downloaded gfx_window_sdl v0.8.0
[INFO] [stderr]   Downloaded lyon_geom v0.10.1
[INFO] [stderr]   Downloaded libflate v0.1.15
[INFO] [stderr]   Downloaded sid v0.5.0
[INFO] [stderr]   Downloaded rusttype v0.5.2
[INFO] [stderr]   Downloaded lyon_path v0.10.1
[INFO] [stderr]   Downloaded smart-default v0.2.0
[INFO] [stderr]   Downloaded ggez v0.4.3
[INFO] [stderr]   Downloaded cpal v0.8.1
[INFO] [stderr]   Downloaded gfx_glyph v0.10.2
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.3
[INFO] [stderr]   Downloaded rodio v0.7.0
[INFO] [stderr]   Downloaded nalgebra v0.14.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] ef6f633a406734b9083c676486a2dad7fc7e94cdb61ec2b56009607c228ee755
[INFO] running `Command { std: "docker" "start" "-a" "ef6f633a406734b9083c676486a2dad7fc7e94cdb61ec2b56009607c228ee755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef6f633a406734b9083c676486a2dad7fc7e94cdb61ec2b56009607c228ee755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6f633a406734b9083c676486a2dad7fc7e94cdb61ec2b56009607c228ee755", kill_on_drop: false }`
[INFO] [stdout] ef6f633a406734b9083c676486a2dad7fc7e94cdb61ec2b56009607c228ee755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 83e2f1663f522aa50966118e50d763377af9c4f7491021ade1c528f7999a5514
[INFO] running `Command { std: "docker" "start" "-a" "83e2f1663f522aa50966118e50d763377af9c4f7491021ade1c528f7999a5514", 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] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling crossbeam-utils v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling claxon v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling inflate v0.4.2
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/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 --cfg 'feature="default"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="synom"' --cfg 'feature="unicode-xid"' -C metadata=870cf417ba6ab51c -C extra-filename=-870cf417ba6ab51c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-d703a8e71f80a840.rmeta --extern synom=/opt/rustwide/target/debug/deps/libsynom-5af9b0287cb77166.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d469be5d97eaf34e.rmeta --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" "83e2f1663f522aa50966118e50d763377af9c4f7491021ade1c528f7999a5514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e2f1663f522aa50966118e50d763377af9c4f7491021ade1c528f7999a5514", kill_on_drop: false }`
[INFO] [stdout] 83e2f1663f522aa50966118e50d763377af9c4f7491021ade1c528f7999a5514