[INFO] fetching crate mpd_info_screen 0.2.19...
[INFO] checking mpd_info_screen-0.2.19 against master#2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36 for pr-95819
[INFO] extracting crate mpd_info_screen 0.2.19 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate mpd_info_screen 0.2.19 on toolchain 2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpd_info_screen 0.2.19
[INFO] finished tweaking crates.io crate mpd_info_screen 0.2.19
[INFO] tweaked toml for crates.io crate mpd_info_screen 0.2.19 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate mpd_info_screen 0.2.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "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 mint v0.5.8
[INFO] [stderr]   Downloaded skeptic v0.13.6
[INFO] [stderr]   Downloaded old_school_gfx_glutin_ext v0.27.0
[INFO] [stderr]   Downloaded glam v0.20.1
[INFO] [stderr]   Downloaded ggez v0.7.0
[INFO] [stderr]   Downloaded gilrs-core v0.3.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.2
[INFO] [stderr]   Downloaded gilrs v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:fd6e315fe1d87bcb2c452ec5cc96a17426cdc68c8a579d2e15b282cf6465d787" "/opt/rustwide/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3154b23dac4b8fd340661ea285e3fd1cf20f7873301abd15b61716ff8dabe822
[INFO] running `Command { std: "docker" "start" "-a" "3154b23dac4b8fd340661ea285e3fd1cf20f7873301abd15b61716ff8dabe822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3154b23dac4b8fd340661ea285e3fd1cf20f7873301abd15b61716ff8dabe822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3154b23dac4b8fd340661ea285e3fd1cf20f7873301abd15b61716ff8dabe822", kill_on_drop: false }`
[INFO] [stdout] 3154b23dac4b8fd340661ea285e3fd1cf20f7873301abd15b61716ff8dabe822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:fd6e315fe1d87bcb2c452ec5cc96a17426cdc68c8a579d2e15b282cf6465d787" "/opt/rustwide/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3de8800fbed5147d849b210bc37279f258b12f907692ed2285fab249c88d2c3
[INFO] running `Command { std: "docker" "start" "-a" "b3de8800fbed5147d849b210bc37279f258b12f907692ed2285fab249c88d2c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
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[INFO] [stderr]    Compiling serde_json v1.0.73
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[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.21
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[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking mint v0.5.8
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling pest v2.1.3
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking glam v0.20.1
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
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[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking rusttype v0.9.2
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[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking owned_ttf_parser v0.13.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking ab_glyph v0.2.12
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking nix v0.20.0
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[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.3.0
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking euclid v0.22.6
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking float_next_after v0.1.5
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking mio-misc v1.2.2
[INFO] [stderr]     Checking glyph_brush_layout v0.2.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling cc v1.0.70
[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-1.0.76/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"' --cfg 'feature="visit-mut"' -C metadata=8a425ffe43c7cf0b -C extra-filename=-8a425ffe43c7cf0b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a9e37e1a9d2dc9b7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cb31b58584e17ba0.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" "b3de8800fbed5147d849b210bc37279f258b12f907692ed2285fab249c88d2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3de8800fbed5147d849b210bc37279f258b12f907692ed2285fab249c88d2c3", kill_on_drop: false }`
[INFO] [stdout] b3de8800fbed5147d849b210bc37279f258b12f907692ed2285fab249c88d2c3