[INFO] fetching crate microswitch 1.0.1...
[INFO] checking microswitch-1.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate microswitch 1.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate microswitch 1.0.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microswitch 1.0.1
[INFO] finished tweaking crates.io crate microswitch 1.0.1
[INFO] tweaked toml for crates.io crate microswitch 1.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate microswitch 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0991e60adbf623ddf728be4dbcbac38f0766d0a51cbfa586c232f9d267261072
[INFO] running `Command { std: "docker" "start" "-a" "0991e60adbf623ddf728be4dbcbac38f0766d0a51cbfa586c232f9d267261072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0991e60adbf623ddf728be4dbcbac38f0766d0a51cbfa586c232f9d267261072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0991e60adbf623ddf728be4dbcbac38f0766d0a51cbfa586c232f9d267261072", kill_on_drop: false }`
[INFO] [stdout] 0991e60adbf623ddf728be4dbcbac38f0766d0a51cbfa586c232f9d267261072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd2fb2e263e690784f19dac752799505bda921a15114a77c11f50b16a47516ba
[INFO] running `Command { std: "docker" "start" "-a" "fd2fb2e263e690784f19dac752799505bda921a15114a77c11f50b16a47516ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking ttf-parser v0.12.0
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]     Checking iced_core v0.4.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]     Checking svg_fmt v0.4.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling glam v0.10.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking path-dedot v3.0.12
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking iced_style v0.3.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]     Checking path-absolutize v3.0.10
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking wgpu-types v0.7.0
[INFO] [stderr]     Checking owned_ttf_parser v0.12.0
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking ab_glyph v0.2.10
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking euclid v0.22.3
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking glyph_brush_layout v0.2.1
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking khronos-egl v3.0.2
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking guillotiere v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling spirv_cross v0.23.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[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-1.0.65/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="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=b064ce4678d8fcc5 -C extra-filename=-b064ce4678d8fcc5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-224677e73985df77.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0afeb380bd68c843.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-accda8c4d770d472.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" "fd2fb2e263e690784f19dac752799505bda921a15114a77c11f50b16a47516ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2fb2e263e690784f19dac752799505bda921a15114a77c11f50b16a47516ba", kill_on_drop: false }`
[INFO] [stdout] fd2fb2e263e690784f19dac752799505bda921a15114a77c11f50b16a47516ba