[INFO] cloning repository https://github.com/KristonCosta/four-am
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KristonCosta/four-am" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKristonCosta%2Ffour-am", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKristonCosta%2Ffour-am'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c977ccb8a42a73fc0839d4a72dd51409b75e7d3c
[INFO] documenting KristonCosta/four-am against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKristonCosta%2Ffour-am" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KristonCosta/four-am on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KristonCosta/four-am
[INFO] finished tweaking git repo https://github.com/KristonCosta/four-am
[INFO] tweaked toml for git repo https://github.com/KristonCosta/four-am written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/KristonCosta/four-am already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/TomGillen/legion.git`
[INFO] [stderr]     Updating git repository `https://github.com/ryanisaacg/quicksilver`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.23.3
[INFO] [stderr]   Downloaded pathfinding v2.0.4
[INFO] [stderr]   Downloaded glutin v0.22.1
[INFO] [stderr]   Downloaded png v0.16.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.7
[INFO] [stderr]   Downloaded web_logger v0.2.0
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded winit v0.20.0
[INFO] [stderr]   Downloaded gestalt v0.1.0
[INFO] [stderr]   Downloaded platter v0.1.4
[INFO] [stderr]   Downloaded dispatch v0.1.4
[INFO] [stderr]   Downloaded golem v0.1.3
[INFO] [stderr]   Downloaded blinds v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7bba0819c1d8702f8daab845d576e0f2cbe2a3fd7e08dfb175453979f2cd508
[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" "b7bba0819c1d8702f8daab845d576e0f2cbe2a3fd7e08dfb175453979f2cd508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7bba0819c1d8702f8daab845d576e0f2cbe2a3fd7e08dfb175453979f2cd508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bba0819c1d8702f8daab845d576e0f2cbe2a3fd7e08dfb175453979f2cd508", kill_on_drop: false }`
[INFO] [stdout] b7bba0819c1d8702f8daab845d576e0f2cbe2a3fd7e08dfb175453979f2cd508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a817c89702243f7f01a367209504d0972c8792c98d05f192e7651674031aea
[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" "03a817c89702243f7f01a367209504d0972c8792c98d05f192e7651674031aea", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling four-am v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking png v0.16.2
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking euclid v0.20.10
[INFO] [stderr]     Checking pathfinding v2.0.4
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling paste-impl v0.1.10
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr] error: could not compile `regex`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.3.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --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=04629b82d85cad0c -C extra-filename=-04629b82d85cad0c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-dea8f4c5cf2b40b3.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-8df1994bb164e7a2.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-de68b1b88e656607.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-b5a8520d8d18b76f.rmeta --cap-lints allow` (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" "03a817c89702243f7f01a367209504d0972c8792c98d05f192e7651674031aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a817c89702243f7f01a367209504d0972c8792c98d05f192e7651674031aea", kill_on_drop: false }`
[INFO] [stdout] 03a817c89702243f7f01a367209504d0972c8792c98d05f192e7651674031aea