[INFO] cloning repository https://github.com/DelSkayn/ChessEngine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DelSkayn/ChessEngine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2FChessEngine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2FChessEngine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55732a49ba295517c4d94ddf90768cfe00ffc614
[INFO] checking DelSkayn/ChessEngine against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2FChessEngine" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DelSkayn/ChessEngine on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DelSkayn/ChessEngine
[INFO] finished tweaking git repo https://github.com/DelSkayn/ChessEngine
[INFO] tweaked toml for git repo https://github.com/DelSkayn/ChessEngine written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/DelSkayn/ChessEngine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5964f487b3f97745f0e97793c91466f6ac2cfdd1c07e2e9748d38b2f958bd988
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5964f487b3f97745f0e97793c91466f6ac2cfdd1c07e2e9748d38b2f958bd988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5964f487b3f97745f0e97793c91466f6ac2cfdd1c07e2e9748d38b2f958bd988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5964f487b3f97745f0e97793c91466f6ac2cfdd1c07e2e9748d38b2f958bd988", kill_on_drop: false }`
[INFO] [stdout] 5964f487b3f97745f0e97793c91466f6ac2cfdd1c07e2e9748d38b2f958bd988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e08e1b90051448212a863aeb8577ac3974fa86cc0c0400952557ace8c16b83
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9e08e1b90051448212a863aeb8577ac3974fa86cc0c0400952557ace8c16b83", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking mint v0.5.6
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ab_glyph v0.2.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking glam v0.12.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking euclid v0.22.2
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking glyph_brush_layout v0.2.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking lyon_geom v0.16.2
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling addr2line v0.14.1
[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-1.0.60/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"' -C metadata=683c546d94dade13 -C extra-filename=-683c546d94dade13 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba80430fb18d8252.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0eb1c7626ec34965.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.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" "f9e08e1b90051448212a863aeb8577ac3974fa86cc0c0400952557ace8c16b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e08e1b90051448212a863aeb8577ac3974fa86cc0c0400952557ace8c16b83", kill_on_drop: false }`
[INFO] [stdout] f9e08e1b90051448212a863aeb8577ac3974fa86cc0c0400952557ace8c16b83