[INFO] updating cached repository https://github.com/reedrosenbluth/swell
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/reedrosenbluth/swell
[INFO] [stderr]    014b2c9..3e578a6  master     -> master
[INFO] [stderr]  * [new tag]         pre-graph  -> pre-graph
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e578a6cbbf949c9180095ef7562bd3a68a0e3ca
[INFO] testing reedrosenbluth/swell against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freedrosenbluth%2Fswell" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reedrosenbluth/swell on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/reedrosenbluth/swell
[INFO] finished tweaking git repo https://github.com/reedrosenbluth/swell
[INFO] tweaked toml for git repo https://github.com/reedrosenbluth/swell written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/reedrosenbluth/swell already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ee5557d63b769fff4069680a499b0d1932f589d3d194d2a888cb9cf49cc7308
[INFO] running `"docker" "start" "-a" "0ee5557d63b769fff4069680a499b0d1932f589d3d194d2a888cb9cf49cc7308"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling instant v0.1.4
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling sample v0.10.0
[INFO] [stderr]    Compiling conrod_winit v0.69.0
[INFO] [stderr]    Compiling notosans v0.1.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling euclid v0.20.13
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling pennereq v0.3.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling ash v0.29.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling lyon_geom v0.14.1
[INFO] [stderr]    Compiling alsa v0.2.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling pitch_calc v0.12.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling lyon_path v0.14.0
[INFO] [stderr]    Compiling zerocopy v0.2.8
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling lyon_algorithms v0.14.0
[INFO] [stderr]    Compiling lyon_tessellation v0.14.2
[INFO] [stderr]    Compiling midir v0.5.0
[INFO] [stderr]    Compiling lyon v0.14.2
[INFO] [stderr]    Compiling noise v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling gfx-backend-empty v0.4.0
[INFO] [stderr]    Compiling rendy-descriptor v0.5.1
[INFO] [stderr]    Compiling rendy-memory v0.5.2
[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-1.0.30/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -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=e3e3dda4748e8fde -C extra-filename=-e3e3dda4748e8fde --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c2ad304f8ec9961e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-80cfd4e740c92002.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b4e9f939917f8126.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 `"docker" "inspect" "0ee5557d63b769fff4069680a499b0d1932f589d3d194d2a888cb9cf49cc7308"`
[INFO] running `"docker" "rm" "-f" "0ee5557d63b769fff4069680a499b0d1932f589d3d194d2a888cb9cf49cc7308"`
[INFO] [stdout] 0ee5557d63b769fff4069680a499b0d1932f589d3d194d2a888cb9cf49cc7308