[INFO] cloning repository https://github.com/cheap-glitch/bow-window
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cheap-glitch/bow-window" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheap-glitch%2Fbow-window", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheap-glitch%2Fbow-window'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e44e9999e00dc8f22664cecff4eb08aa552699a3
[INFO] testing cheap-glitch/bow-window against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheap-glitch%2Fbow-window" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cheap-glitch/bow-window on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cheap-glitch/bow-window
[INFO] finished tweaking git repo https://github.com/cheap-glitch/bow-window
[INFO] tweaked toml for git repo https://github.com/cheap-glitch/bow-window written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/cheap-glitch/bow-window already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d2862f2d3bf9fb03886ac043ae264cbafd1c7cc1f7c86fda2d6086c4e18f96f
[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" "2d2862f2d3bf9fb03886ac043ae264cbafd1c7cc1f7c86fda2d6086c4e18f96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2862f2d3bf9fb03886ac043ae264cbafd1c7cc1f7c86fda2d6086c4e18f96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2862f2d3bf9fb03886ac043ae264cbafd1c7cc1f7c86fda2d6086c4e18f96f", kill_on_drop: false }`
[INFO] [stdout] 2d2862f2d3bf9fb03886ac043ae264cbafd1c7cc1f7c86fda2d6086c4e18f96f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5a2fd0e49ab7cb0d6d87578038771d8c7298033c216b402165d823cfe1aac1e
[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" "a5a2fd0e49ab7cb0d6d87578038771d8c7298033c216b402165d823cfe1aac1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling unicode-script v0.5.2
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling kurbo v0.6.3
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling roxmltree v0.13.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling wide v0.6.4
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rustybuzz v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling tiny-skia v0.2.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling fontdb v0.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[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-1.0.56/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=2f44160a8d4d0a2b -C extra-filename=-2f44160a8d4d0a2b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b8449736663a1660.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4ff43fa145cc0264.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1c0accd586890c80.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "a5a2fd0e49ab7cb0d6d87578038771d8c7298033c216b402165d823cfe1aac1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a2fd0e49ab7cb0d6d87578038771d8c7298033c216b402165d823cfe1aac1e", kill_on_drop: false }`
[INFO] [stdout] a5a2fd0e49ab7cb0d6d87578038771d8c7298033c216b402165d823cfe1aac1e