[INFO] fetching crate gpu-allocator 0.17.0...
[INFO] checking gpu-allocator-0.17.0 against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] extracting crate gpu-allocator 0.17.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gpu-allocator 0.17.0 on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gpu-allocator 0.17.0
[INFO] removed 5 missing examples
[INFO] finished tweaking crates.io crate gpu-allocator 0.17.0
[INFO] tweaked toml for crates.io crate gpu-allocator 0.17.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate gpu-allocator 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chlorine v1.0.8
[INFO] [stderr]   Downloaded ash-window v0.9.1
[INFO] [stderr]   Downloaded imgui-winit-support v0.8.1
[INFO] [stderr]   Downloaded raw-window-metal v0.1.2
[INFO] [stderr]   Downloaded ash v0.36.0+1.3.206
[INFO] [stderr]   Downloaded imgui-sys v0.8.0
[INFO] [stderr]   Downloaded ash v0.35.1+1.2.203
[INFO] [stderr]   Downloaded imgui v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9957cc77a8c29b1ac51392b64ed716a0bcac36eb0b6fe9b7768d6556ea76dafd
[INFO] running `Command { std: "docker" "start" "-a" "9957cc77a8c29b1ac51392b64ed716a0bcac36eb0b6fe9b7768d6556ea76dafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9957cc77a8c29b1ac51392b64ed716a0bcac36eb0b6fe9b7768d6556ea76dafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9957cc77a8c29b1ac51392b64ed716a0bcac36eb0b6fe9b7768d6556ea76dafd", kill_on_drop: false }`
[INFO] [stdout] 9957cc77a8c29b1ac51392b64ed716a0bcac36eb0b6fe9b7768d6556ea76dafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86c8c73b879741c2594ccac9fe6326cf028131cfd25320cb4890b6f370f4c2c4
[INFO] running `Command { std: "docker" "start" "-a" "86c8c73b879741c2594ccac9fe6326cf028131cfd25320cb4890b6f370f4c2c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking chlorine v1.0.8
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling ash v0.35.1+1.2.203
[INFO] [stderr]    Compiling ash v0.36.0+1.3.206
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking libloading v0.7.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking object v0.27.0
[INFO] [stderr]    Compiling imgui-sys v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.62
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking addr2line v0.16.0
[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-1.0.80/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --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"' -C metadata=83c288d8d4dff643 -C extra-filename=-83c288d8d4dff643 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0b4d909bdba1b2c8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7dfa028e3d4d4c71.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "86c8c73b879741c2594ccac9fe6326cf028131cfd25320cb4890b6f370f4c2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c8c73b879741c2594ccac9fe6326cf028131cfd25320cb4890b6f370f4c2c4", kill_on_drop: false }`
[INFO] [stdout] 86c8c73b879741c2594ccac9fe6326cf028131cfd25320cb4890b6f370f4c2c4