[INFO] cloning repository https://github.com/daxhuiberts/conway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daxhuiberts/conway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaxhuiberts%2Fconway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaxhuiberts%2Fconway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3934eb55478d00b7d291df9ded27e07443e8a50c
[INFO] checking daxhuiberts/conway against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaxhuiberts%2Fconway" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daxhuiberts/conway on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daxhuiberts/conway
[INFO] finished tweaking git repo https://github.com/daxhuiberts/conway
[INFO] tweaked toml for git repo https://github.com/daxhuiberts/conway written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/daxhuiberts/conway already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.69.0
[INFO] [stderr]   Downloaded xkbcommon-sys v0.7.5
[INFO] [stderr]   Downloaded xkb v0.2.1
[INFO] [stderr]   Downloaded piston_window v0.120.0
[INFO] [stderr]   Downloaded spin_sleep v1.0.0
[INFO] [stderr]   Downloaded sdl2 v0.34.4
[INFO] [stderr]   Downloaded orbclient v0.3.31
[INFO] [stderr]   Downloaded unidiff v0.3.3
[INFO] [stderr]   Downloaded sdl2-sys v0.34.4
[INFO] [stderr]   Downloaded minifb v0.19.3
[INFO] [stderr]   Downloaded piston2d-graphics v0.40.0
[INFO] [stderr]   Downloaded wayland-egl v0.28.5
[INFO] [stderr]   Downloaded piston v0.53.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.73.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.53.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b44cf7965c9ea8f7e97f8ac7151cfaabba8e942fe0c056cee703dced316008cb
[INFO] running `Command { std: "docker" "start" "-a" "b44cf7965c9ea8f7e97f8ac7151cfaabba8e942fe0c056cee703dced316008cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b44cf7965c9ea8f7e97f8ac7151cfaabba8e942fe0c056cee703dced316008cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44cf7965c9ea8f7e97f8ac7151cfaabba8e942fe0c056cee703dced316008cb", kill_on_drop: false }`
[INFO] [stdout] b44cf7965c9ea8f7e97f8ac7151cfaabba8e942fe0c056cee703dced316008cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae4528ad63b777653ed4c9da93cb13d35e69c3f62d4948cda6ecb3b82347ad9a
[INFO] running `Command { std: "docker" "start" "-a" "ae4528ad63b777653ed4c9da93cb13d35e69c3f62d4948cda6ecb3b82347ad9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[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 nom v6.1.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking piston2d-graphics v0.40.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling minifb v0.19.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_core v0.6.2
[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-0.6.23/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=95d362927be20766 -C extra-filename=-95d362927be20766 --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" "ae4528ad63b777653ed4c9da93cb13d35e69c3f62d4948cda6ecb3b82347ad9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4528ad63b777653ed4c9da93cb13d35e69c3f62d4948cda6ecb3b82347ad9a", kill_on_drop: false }`
[INFO] [stdout] ae4528ad63b777653ed4c9da93cb13d35e69c3f62d4948cda6ecb3b82347ad9a