[INFO] cloning repository https://github.com/Rua/ferret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rua/ferret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f13dbd54e9c16397c6ea2654702c85ebe8355de
[INFO] testing Rua/ferret against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rua/ferret on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rua/ferret
[INFO] finished tweaking git repo https://github.com/Rua/ferret
[INFO] tweaked toml for git repo https://github.com/Rua/ferret written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Rua/ferret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/amethyst/legion`
[INFO] [stderr]     Updating git repository `https://github.com/rua/msgpack-rust`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xcursor v0.3.3
[INFO] [stderr]   Downloaded wayland-commons v0.28.3
[INFO] [stderr]   Downloaded rusttype v0.9.2
[INFO] [stderr]   Downloaded wayland-cursor v0.28.3
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.4
[INFO] [stderr]   Downloaded ttf-parser v0.6.2
[INFO] [stderr]   Downloaded wayland-scanner v0.28.3
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.2
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.0
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.2
[INFO] [stderr]   Downloaded fetch_unroll v0.2.2
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded cookie v0.14.3
[INFO] [stderr]   Downloaded vk-sys v0.5.3
[INFO] [stderr]   Downloaded ndk-glue v0.2.1
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded erased-serde v0.3.13
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded simba v0.3.1
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded relative-path v1.3.2
[INFO] [stderr]   Downloaded oboe v0.3.1
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded ureq v1.5.4
[INFO] [stderr]   Downloaded wayland-protocols v0.28.3
[INFO] [stderr]   Downloaded combine v4.5.1
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded wayland-client v0.28.3
[INFO] [stderr]   Downloaded jni v0.14.0
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded cpal v0.13.1
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded jni v0.17.0
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded vulkano-shaders v0.20.0
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded core-graphics v0.19.2
[INFO] [stderr]   Downloaded ndk v0.2.1
[INFO] [stderr]   Downloaded ndk-macro v0.2.0
[INFO] [stderr]   Downloaded ndk-sys v0.2.1
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded andrew v0.3.1
[INFO] [stderr]   Downloaded calloop v0.6.5
[INFO] [stderr]   Downloaded memmap2 v0.1.0
[INFO] [stderr]   Downloaded nom v6.0.1
[INFO] [stderr]   Downloaded wayland-sys v0.28.3
[INFO] [stderr]   Downloaded vulkano-win v0.20.0
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded winit v0.24.0
[INFO] [stderr]   Downloaded vulkano v0.20.0
[INFO] [stderr]   Downloaded nalgebra v0.24.0
[INFO] [stderr]   Downloaded cocoa v0.20.2
[INFO] [stderr]   Downloaded rand_distr v0.3.0
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded rand_pcg v0.3.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded cesu8 v1.1.0
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded cocoa v0.24.0
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded oboe-sys v0.3.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.6.0
[INFO] [stderr]   Downloaded rodio v0.13.0
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded core-graphics v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ba9a5daff3618fc55655d523b506aa14b32e79eda56ec243e19f29c5c9cdcdc
[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" "3ba9a5daff3618fc55655d523b506aa14b32e79eda56ec243e19f29c5c9cdcdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba9a5daff3618fc55655d523b506aa14b32e79eda56ec243e19f29c5c9cdcdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba9a5daff3618fc55655d523b506aa14b32e79eda56ec243e19f29c5c9cdcdc", kill_on_drop: false }`
[INFO] [stdout] 3ba9a5daff3618fc55655d523b506aa14b32e79eda56ec243e19f29c5c9cdcdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef033b22b017faa35f54ee61b8ddc33fc8d235bdd5f81a4628d65d750296bf41
[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" "ef033b22b017faa35f54ee61b8ddc33fc8d235bdd5f81a4628d65d750296bf41", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling vulkano v0.20.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling vk-sys v0.5.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling relative-path v1.3.2
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=1 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=98987d42dd44034a -C extra-filename=-98987d42dd44034a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ef033b22b017faa35f54ee61b8ddc33fc8d235bdd5f81a4628d65d750296bf41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef033b22b017faa35f54ee61b8ddc33fc8d235bdd5f81a4628d65d750296bf41", kill_on_drop: false }`
[INFO] [stdout] ef033b22b017faa35f54ee61b8ddc33fc8d235bdd5f81a4628d65d750296bf41