[INFO] cloning repository https://github.com/theq629/kowas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theq629/kowas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheq629%2Fkowas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheq629%2Fkowas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4ff96876793c65dfe2db8791197003a00ba8582
[INFO] checking theq629/kowas against try#e251c42c969d6f8dbaae00e1028489c3a29f8789 for pr-94081
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheq629%2Fkowas" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theq629/kowas on toolchain e251c42c969d6f8dbaae00e1028489c3a29f8789
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theq629/kowas
[INFO] finished tweaking git repo https://github.com/theq629/kowas
[INFO] tweaked toml for git repo https://github.com/theq629/kowas written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/theq629/kowas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/amethyst/bracket-lib`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.61
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded wayland-egl v0.28.5
[INFO] [stderr]   Downloaded cocoa v0.23.0
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded hecs v0.3.2
[INFO] [stderr]   Downloaded glutin v0.26.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded wayland-protocols v0.28.5
[INFO] [stderr]   Downloaded wayland-scanner v0.28.5
[INFO] [stderr]   Downloaded wayland-client v0.28.5
[INFO] [stderr]   Downloaded object-pool v0.5.3
[INFO] [stderr]   Downloaded nom v6.1.2
[INFO] [stderr]   Downloaded enum-map v0.6.4
[INFO] [stderr]   Downloaded wayland-commons v0.28.5
[INFO] [stderr]   Downloaded wayland-sys v0.28.5
[INFO] [stderr]   Downloaded enum-map-derive v0.4.6
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded ultraviolet v0.7.5
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded wide v0.5.5
[INFO] [stderr]   Downloaded wayland-cursor v0.28.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb323f8695eaa19f28173b7990c025906ca3fe11e0e3d9aedf1592aa583cf68
[INFO] running `Command { std: "docker" "start" "-a" "3fb323f8695eaa19f28173b7990c025906ca3fe11e0e3d9aedf1592aa583cf68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb323f8695eaa19f28173b7990c025906ca3fe11e0e3d9aedf1592aa583cf68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb323f8695eaa19f28173b7990c025906ca3fe11e0e3d9aedf1592aa583cf68", kill_on_drop: false }`
[INFO] [stdout] 3fb323f8695eaa19f28173b7990c025906ca3fe11e0e3d9aedf1592aa583cf68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6191592429bce48a77949309855435681a636673a6ea1728f4723f084a7ddd3e
[INFO] running `Command { std: "docker" "start" "-a" "6191592429bce48a77949309855435681a636673a6ea1728f4723f084a7ddd3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking wide v0.5.5
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]     Checking ultraviolet v0.7.5
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking env_logger v0.8.3
[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-1.0.61/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=46d3dee9051d3055 -C extra-filename=-46d3dee9051d3055 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-89254f8a188bc205.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0c8b16363cbdca05.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6191592429bce48a77949309855435681a636673a6ea1728f4723f084a7ddd3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6191592429bce48a77949309855435681a636673a6ea1728f4723f084a7ddd3e", kill_on_drop: false }`
[INFO] [stdout] 6191592429bce48a77949309855435681a636673a6ea1728f4723f084a7ddd3e