[INFO] fetching crate birdseye 0.3.9...
[INFO] checking birdseye-0.3.9 against master#1be5c8f90912c446ecbdc405cbc4a89f9acd20fd for pr-93394
[INFO] extracting crate birdseye 0.3.9 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate birdseye 0.3.9 on toolchain 1be5c8f90912c446ecbdc405cbc4a89f9acd20fd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate birdseye 0.3.9
[INFO] finished tweaking crates.io crate birdseye 0.3.9
[INFO] tweaked toml for crates.io crate birdseye 0.3.9 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate crates.io crate birdseye 0.3.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df3280aa4cc0c8dd1ecad35e185a2a51ad1c9c9bf58cbe65d184ebd54ecbc6a
[INFO] running `Command { std: "docker" "start" "-a" "3df3280aa4cc0c8dd1ecad35e185a2a51ad1c9c9bf58cbe65d184ebd54ecbc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df3280aa4cc0c8dd1ecad35e185a2a51ad1c9c9bf58cbe65d184ebd54ecbc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df3280aa4cc0c8dd1ecad35e185a2a51ad1c9c9bf58cbe65d184ebd54ecbc6a", kill_on_drop: false }`
[INFO] [stdout] 3df3280aa4cc0c8dd1ecad35e185a2a51ad1c9c9bf58cbe65d184ebd54ecbc6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd466a534f277f273a2056a152c2613b79bb96ede83548fa895adcdcbd31c68b
[INFO] running `Command { std: "docker" "start" "-a" "dd466a534f277f273a2056a152c2613b79bb96ede83548fa895adcdcbd31c68b", 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]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ttf-parser v0.13.4
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking emath v0.13.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking atomic_refcell v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]    Compiling nom v7.1.0
[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 ahash v0.7.6
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling wayland-scanner v0.29.1
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[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-1.0.82/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=53e147ec586bbfc3 -C extra-filename=-53e147ec586bbfc3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-73542db712a23dc4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-467300d4e0c3276e.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=warn` (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" "dd466a534f277f273a2056a152c2613b79bb96ede83548fa895adcdcbd31c68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd466a534f277f273a2056a152c2613b79bb96ede83548fa895adcdcbd31c68b", kill_on_drop: false }`
[INFO] [stdout] dd466a534f277f273a2056a152c2613b79bb96ede83548fa895adcdcbd31c68b