[INFO] fetching crate orbtk-api 0.3.1-alpha3...
[INFO] testing orbtk-api-0.3.1-alpha3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate orbtk-api 0.3.1-alpha3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate orbtk-api 0.3.1-alpha3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate orbtk-api 0.3.1-alpha3
[INFO] finished tweaking crates.io crate orbtk-api 0.3.1-alpha3
[INFO] tweaked toml for crates.io crate orbtk-api 0.3.1-alpha3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 198041cd27d96f13245bf6eb4734ad9f5e2993d06db19a9970056282f0d9fc22
[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" "198041cd27d96f13245bf6eb4734ad9f5e2993d06db19a9970056282f0d9fc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198041cd27d96f13245bf6eb4734ad9f5e2993d06db19a9970056282f0d9fc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198041cd27d96f13245bf6eb4734ad9f5e2993d06db19a9970056282f0d9fc22", kill_on_drop: false }`
[INFO] [stdout] 198041cd27d96f13245bf6eb4734ad9f5e2993d06db19a9970056282f0d9fc22
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] acff70896c6b43dfa7f18140b191f82a52c107c620d55ec6e743d8ed6b38ec95
[INFO] running `Command { std: "docker" "start" "-a" "acff70896c6b43dfa7f18140b191f82a52c107c620d55ec6e743d8ed6b38ec95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling sw-composite v0.7.14
[INFO] [stderr]    Compiling dces v0.3.0
[INFO] [stderr]    Compiling spin_sleep v1.0.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling orbtk-tree v0.3.1-alpha3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wayland-sys v0.25.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling wayland-scanner v0.25.0
[INFO] [stderr]    Compiling minifb v0.17.0
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling lyon_geom v0.15.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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="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=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "acff70896c6b43dfa7f18140b191f82a52c107c620d55ec6e743d8ed6b38ec95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acff70896c6b43dfa7f18140b191f82a52c107c620d55ec6e743d8ed6b38ec95", kill_on_drop: false }`
[INFO] [stdout] acff70896c6b43dfa7f18140b191f82a52c107c620d55ec6e743d8ed6b38ec95