[INFO] cloning repository https://github.com/SiegeEngine/siege-example-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SiegeEngine/siege-example-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d63627b04dfcd43a00a0eba49d03bb96989a719f
[INFO] checking SiegeEngine/siege-example-client against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-client" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SiegeEngine/siege-example-client on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SiegeEngine/siege-example-client
[INFO] finished tweaking git repo https://github.com/SiegeEngine/siege-example-client
[INFO] tweaked toml for git repo https://github.com/SiegeEngine/siege-example-client written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/SiegeEngine/siege-example-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winit v0.10.0
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded wayland-scanner v0.12.5
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded wayland-protocols v0.12.5
[INFO] [stderr]   Downloaded x11-dl v2.17.5
[INFO] [stderr]   Downloaded dlib v0.4.1
[INFO] [stderr]   Downloaded tempfile v3.0.1
[INFO] [stderr]   Downloaded core-graphics v0.12.4
[INFO] [stderr]   Downloaded core-foundation v0.4.6
[INFO] [stderr]   Downloaded memmap v0.6.2
[INFO] [stderr]   Downloaded wayland-kbd v0.13.1
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded futures v0.1.21
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded png v0.11.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.14
[INFO] [stderr]   Downloaded inflate v0.3.4
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded ordered-float v0.5.0
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded parking_lot v0.3.8
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded mio v0.6.14
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] [stderr]   Downloaded smallvec v0.6.1
[INFO] [stderr]   Downloaded serde v1.0.51
[INFO] [stderr]   Downloaded chashmap v2.2.0
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded deflate v0.7.18
[INFO] [stderr]   Downloaded zstd v0.4.18+zstd.1.3.4
[INFO] [stderr]   Downloaded cmake v0.1.31
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded bincode v1.0.0
[INFO] [stderr]   Downloaded cocoa v0.13.0
[INFO] [stderr]   Downloaded zstd-sys v1.4.3+zstd.1.3.4
[INFO] [stderr]   Downloaded zstd-safe v1.4.3+zstd.1.3.4
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded image v0.18.0
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded inflate v0.4.2
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded rayon v0.8.2
[INFO] [stderr]   Downloaded untrusted v0.5.1
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded serde_derive v1.0.51
[INFO] [stderr]   Downloaded objc v0.2.2
[INFO] [stderr]   Downloaded syn v0.13.7
[INFO] [stderr]   Downloaded core-foundation-sys v0.4.6
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded user32-sys v0.2.0
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded glsl-to-spirv v0.1.4
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded token_store v0.1.2
[INFO] [stderr]   Downloaded wayland-client v0.12.5
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded libloading v0.5.0
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded wayland-sys v0.12.5
[INFO] [stderr]   Downloaded ring v0.12.1
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded ddsfile v0.2.3
[INFO] [stderr]   Downloaded spiral v0.1.9
[INFO] [stderr]   Downloaded glsl-to-spirv-macros-impl v0.1.0
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded glsl-to-spirv-macros v0.1.1
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded backtrace v0.3.7
[INFO] [stderr]   Downloaded vks v0.21.0
[INFO] [stderr]   Downloaded rayon v1.0.1
[INFO] [stderr]   Downloaded distance-field v0.1.6
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded wayland-window v0.13.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2d770a01ed86643b939d068b0954c0c30a3630857473e3e9c2d9f6488813940
[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" "c2d770a01ed86643b939d068b0954c0c30a3630857473e3e9c2d9f6488813940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d770a01ed86643b939d068b0954c0c30a3630857473e3e9c2d9f6488813940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d770a01ed86643b939d068b0954c0c30a3630857473e3e9c2d9f6488813940", kill_on_drop: false }`
[INFO] [stdout] c2d770a01ed86643b939d068b0954c0c30a3630857473e3e9c2d9f6488813940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ab5a342c6659d31d44f9923e25f2829e2f1ea08a4d69e49e9f9dc89f57baf09
[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" "2ab5a342c6659d31d44f9923e25f2829e2f1ea08a4d69e49e9f9dc89f57baf09", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking serde v1.0.51
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling vks v0.21.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking smallvec v0.6.1
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking spiral v0.1.9
[INFO] [stderr]     Checking glsl-to-spirv-macros v0.1.1
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking stb_truetype v0.2.2 (https://github.com/SiegeEngine/stb_truetype-rs#af0d35d3)
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling zstd-sys v1.4.3+zstd.1.3.4
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking tempfile v3.0.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rusttype v0.5.2 (https://github.com/SiegeEngine/rusttype#50f287e5)
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.4
[INFO] [stderr]     Checking chashmap v2.2.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking dacite v0.7.0 (https://gitlab.com/mikedilger/dacite.git#0ff09d25)
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[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-0.13.7/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=79b19c609b2c704a -C extra-filename=-79b19c609b2c704a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-047727d729a18704.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-963e7255a2eb22ea.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.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" "2ab5a342c6659d31d44f9923e25f2829e2f1ea08a4d69e49e9f9dc89f57baf09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab5a342c6659d31d44f9923e25f2829e2f1ea08a4d69e49e9f9dc89f57baf09", kill_on_drop: false }`
[INFO] [stdout] 2ab5a342c6659d31d44f9923e25f2829e2f1ea08a4d69e49e9f9dc89f57baf09