[INFO] fetching crate netbrowse 0.1.0...
[INFO] testing netbrowse-0.1.0 against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093
[INFO] extracting crate netbrowse 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate netbrowse 0.1.0 on toolchain 6c20ab744b0f82646d90ce9d25894823abc9c669
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netbrowse 0.1.0
[INFO] finished tweaking crates.io crate netbrowse 0.1.0
[INFO] tweaked toml for crates.io crate netbrowse 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate netbrowse 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded which v4.2.2
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[INFO] [stderr]   Downloaded syn v1.0.82
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[INFO] [stderr]   Downloaded quote v1.0.10
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[INFO] [stderr]   Downloaded wayland-client v0.29.1
[INFO] [stderr]   Downloaded objc_id v0.1.1
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.0
[INFO] [stderr]   Downloaded objc v0.2.7
[INFO] [stderr]   Downloaded num_enum_derive v0.5.4
[INFO] [stderr]   Downloaded widestring v0.4.3
[INFO] [stderr]   Downloaded serde v1.0.132
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded wayland-commons v0.28.6
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.78
[INFO] [stderr]   Downloaded wayland-protocols v0.29.1
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.7
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[INFO] [stderr]   Downloaded darling v0.10.2
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[INFO] [stderr]   Downloaded malloc_buf v0.0.6
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded num_enum v0.5.4
[INFO] [stderr]   Downloaded derivative v2.2.0
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[INFO] [stderr]   Downloaded ndk-sys v0.2.2
[INFO] [stderr]   Downloaded ttf-parser v0.13.4
[INFO] [stderr]   Downloaded web-sys v0.3.55
[INFO] [stderr]   Downloaded egui-winit v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.78
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[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.78
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[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.78
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8283c250fe78382c28fd99a4926ad52fbae8df7db467bf9e53432aa019df76e
[INFO] running `Command { std: "docker" "start" "-a" "b8283c250fe78382c28fd99a4926ad52fbae8df7db467bf9e53432aa019df76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8283c250fe78382c28fd99a4926ad52fbae8df7db467bf9e53432aa019df76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8283c250fe78382c28fd99a4926ad52fbae8df7db467bf9e53432aa019df76e", kill_on_drop: false }`
[INFO] [stdout] b8283c250fe78382c28fd99a4926ad52fbae8df7db467bf9e53432aa019df76e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bdf280e47634d1c186a776ca4323822248a8eea36348e72090e3ac45aeff4c4
[INFO] running `Command { std: "docker" "start" "-a" "9bdf280e47634d1c186a776ca4323822248a8eea36348e72090e3ac45aeff4c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling ttf-parser v0.13.4
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling atomic_refcell v0.1.8
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling emath v0.15.0
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling webbrowser v0.5.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling wayland-sys v0.29.1
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.13.2
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling ab_glyph v0.2.12
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling wayland-scanner v0.29.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glium v0.30.2
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling xdg v2.4.0
[INFO] [stderr]    Compiling mio-misc v1.2.2
[INFO] [stderr]    Compiling epaint v0.15.0
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling wayland-client v0.29.1
[INFO] [stderr]    Compiling wayland-protocols v0.29.1
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling wayland-commons v0.29.1
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[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-1.0.82/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=db6921b197c6610a -C extra-filename=-db6921b197c6610a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cec411b88c3c5668.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3b64c251b639f64f.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" "9bdf280e47634d1c186a776ca4323822248a8eea36348e72090e3ac45aeff4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdf280e47634d1c186a776ca4323822248a8eea36348e72090e3ac45aeff4c4", kill_on_drop: false }`
[INFO] [stdout] 9bdf280e47634d1c186a776ca4323822248a8eea36348e72090e3ac45aeff4c4