[INFO] fetching crate gled 1.2.0...
[INFO] testing gled-1.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate gled 1.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gled 1.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gled 1.2.0
[INFO] finished tweaking crates.io crate gled 1.2.0
[INFO] tweaked toml for crates.io crate gled 1.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate gled 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usvg v0.11.0
[INFO] [stderr]   Downloaded rgb v0.8.16
[INFO] [stderr]   Downloaded roxmltree v0.6.1
[INFO] [stderr]   Downloaded lab v0.7.2
[INFO] [stderr]   Downloaded pico-args v0.3.3
[INFO] [stderr]   Downloaded xmlparser v0.13.2
[INFO] [stderr]   Downloaded glib v0.10.1
[INFO] [stderr]   Downloaded fontdb v0.1.0
[INFO] [stderr]   Downloaded kurbo v0.6.2
[INFO] [stderr]   Downloaded unicode-script v0.5.0
[INFO] [stderr]   Downloaded resvg v0.11.0
[INFO] [stderr]   Downloaded tiny-skia v0.1.0
[INFO] [stderr]   Downloaded artnet_protocol v0.2.0
[INFO] [stderr]   Downloaded delta_e v0.2.1
[INFO] [stderr]   Downloaded elapsed v0.1.2
[INFO] [stderr]   Downloaded rustybuzz v0.1.1
[INFO] [stderr]   Downloaded libgled v1.2.0
[INFO] [stderr]   Downloaded svgdom v0.18.0
[INFO] [stderr]   Downloaded deflate v0.8.5
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f077f53e580f4317290025cbe3a65603445ba671a5d1430232f4ec1de5199a8f
[INFO] running `Command { std: "docker" "start" "-a" "f077f53e580f4317290025cbe3a65603445ba671a5d1430232f4ec1de5199a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f077f53e580f4317290025cbe3a65603445ba671a5d1430232f4ec1de5199a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f077f53e580f4317290025cbe3a65603445ba671a5d1430232f4ec1de5199a8f", kill_on_drop: false }`
[INFO] [stdout] f077f53e580f4317290025cbe3a65603445ba671a5d1430232f4ec1de5199a8f
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 566731668cedf126405b39fcf41c6b58ff68679f1091851eb89cd4fb5c05d5e1
[INFO] running `Command { std: "docker" "start" "-a" "566731668cedf126405b39fcf41c6b58ff68679f1091851eb89cd4fb5c05d5e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling gio v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling xmlparser v0.13.2
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling pango v0.9.0
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling gdk v0.13.0
[INFO] [stderr]    Compiling rgb v0.8.16
[INFO] [stderr]    Compiling pico-args v0.3.3
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling unicode-script v0.5.0
[INFO] [stderr]    Compiling xmlparser v0.9.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling lab v0.7.2
[INFO] [stderr]    Compiling elapsed v0.1.2
[INFO] [stderr]    Compiling floating-duration v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling gtk v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling kurbo v0.6.2
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling svgfilters v0.2.0
[INFO] [stderr]    Compiling roxmltree v0.6.1
[INFO] [stderr]    Compiling roxmltree v0.13.0
[INFO] [stderr]    Compiling delta_e v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling deflate v0.8.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling artnet_protocol v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling svgdom v0.18.0
[INFO] [stderr]    Compiling png v0.16.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling rustybuzz v0.1.1
[INFO] [stderr]    Compiling tiny-skia v0.1.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling fontdb v0.1.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.56
[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-1.0.33/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=8f0e1bfbac209ac6 -C extra-filename=-8f0e1bfbac209ac6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a97a6e8a9c781937.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-387cd3c2f6727f12.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e5d6ef4cd3d3c00f.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "566731668cedf126405b39fcf41c6b58ff68679f1091851eb89cd4fb5c05d5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566731668cedf126405b39fcf41c6b58ff68679f1091851eb89cd4fb5c05d5e1", kill_on_drop: false }`
[INFO] [stdout] 566731668cedf126405b39fcf41c6b58ff68679f1091851eb89cd4fb5c05d5e1
