[INFO] cloning repository https://github.com/micaww/ch8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micaww/ch8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicaww%2Fch8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicaww%2Fch8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27e7ee34be0401464a1a21b015323800783e3d12
[INFO] building micaww/ch8-rs against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicaww%2Fch8-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/micaww/ch8-rs on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/micaww/ch8-rs
[INFO] finished tweaking git repo https://github.com/micaww/ch8-rs
[INFO] tweaked toml for git repo https://github.com/micaww/ch8-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/micaww/ch8-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f8eaefb35f47263d8dc2aafe45934c5b25bf63ab0b7694dbb97365fb19dba16
[INFO] running `Command { std: "docker" "start" "-a" "6f8eaefb35f47263d8dc2aafe45934c5b25bf63ab0b7694dbb97365fb19dba16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f8eaefb35f47263d8dc2aafe45934c5b25bf63ab0b7694dbb97365fb19dba16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8eaefb35f47263d8dc2aafe45934c5b25bf63ab0b7694dbb97365fb19dba16", kill_on_drop: false }`
[INFO] [stdout] 6f8eaefb35f47263d8dc2aafe45934c5b25bf63ab0b7694dbb97365fb19dba16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0528394bc5486c67e170f7664487c7421702b0555193f883e0b4d825d44fc643
[INFO] running `Command { std: "docker" "start" "-a" "0528394bc5486c67e170f7664487c7421702b0555193f883e0b4d825d44fc643", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling wide v0.4.6
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling pollster v0.2.2
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling wgpu-types v0.6.1
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling ultraviolet v0.4.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling gfx-hal v0.6.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling gfx-descriptor v0.2.0
[INFO] [stderr]    Compiling gfx-memory v0.2.2
[INFO] [stderr]    Compiling gfx-backend-empty v0.6.0
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling calloop v0.6.5
[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-1.0.68/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=8c935dca3a513b3e -C extra-filename=-8c935dca3a513b3e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-35966716800d5979.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-517f35ba2cdda52b.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ca70f4dd0d5d1ebc.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" "0528394bc5486c67e170f7664487c7421702b0555193f883e0b4d825d44fc643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0528394bc5486c67e170f7664487c7421702b0555193f883e0b4d825d44fc643", kill_on_drop: false }`
[INFO] [stdout] 0528394bc5486c67e170f7664487c7421702b0555193f883e0b4d825d44fc643