[INFO] fetching crate semeion 0.9.1...
[INFO] testing semeion-0.9.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate semeion 0.9.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate semeion 0.9.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate semeion 0.9.1
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate semeion 0.9.1
[INFO] tweaked toml for crates.io crate semeion 0.9.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate semeion 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 8dba1a471d15fd54ef0ed5332aa1a0614ecb2fdc8d889ecc9c79810d93d5214d
[INFO] running `Command { std: "docker" "start" "-a" "8dba1a471d15fd54ef0ed5332aa1a0614ecb2fdc8d889ecc9c79810d93d5214d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dba1a471d15fd54ef0ed5332aa1a0614ecb2fdc8d889ecc9c79810d93d5214d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dba1a471d15fd54ef0ed5332aa1a0614ecb2fdc8d889ecc9c79810d93d5214d", kill_on_drop: false }`
[INFO] [stdout] 8dba1a471d15fd54ef0ed5332aa1a0614ecb2fdc8d889ecc9c79810d93d5214d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48460711eba2c051061f214d4ee2c1ba5bec8a7833239c9c269d836f73bd86a9
[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" "48460711eba2c051061f214d4ee2c1ba5bec8a7833239c9c269d836f73bd86a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling semeion v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "48460711eba2c051061f214d4ee2c1ba5bec8a7833239c9c269d836f73bd86a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48460711eba2c051061f214d4ee2c1ba5bec8a7833239c9c269d836f73bd86a9", kill_on_drop: false }`
[INFO] [stdout] 48460711eba2c051061f214d4ee2c1ba5bec8a7833239c9c269d836f73bd86a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 4650792f2c4bb407385ddcc733ded7376526a40b96709eaf86e0cc066a9cba08
[INFO] running `Command { std: "docker" "start" "-a" "4650792f2c4bb407385ddcc733ded7376526a40b96709eaf86e0cc066a9cba08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.3
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling ttf-parser v0.14.0
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling mint v0.5.8
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling glam v0.20.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling euclid v0.22.6
[INFO] [stderr]    Compiling float_next_after v0.1.5
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling lyon_geom v0.17.6
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.14.0
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling ab_glyph v0.2.13
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling lyon_path v0.17.7
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling directories v3.0.2
[INFO] [stderr]    Compiling glyph_brush_layout v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[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]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling xdg v2.4.0
[INFO] [stderr]    Compiling mio-misc v1.2.2
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling lyon_tessellation v0.17.10
[INFO] [stderr]    Compiling lyon_algorithms v0.17.7
[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-1.0.85/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=443da09f034c6961 -C extra-filename=-443da09f034c6961 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d43b9eeea9b4257f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b90a404a5638d178.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.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] running `Command { std: "docker" "inspect" "4650792f2c4bb407385ddcc733ded7376526a40b96709eaf86e0cc066a9cba08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4650792f2c4bb407385ddcc733ded7376526a40b96709eaf86e0cc066a9cba08", kill_on_drop: false }`
[INFO] [stdout] 4650792f2c4bb407385ddcc733ded7376526a40b96709eaf86e0cc066a9cba08