[INFO] cloning repository https://github.com/mateogo42/snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mateogo42/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateogo42%2Fsnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateogo42%2Fsnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a5343a26ec06e59d9682ed2e06040f8d6ba43d3
[INFO] documenting mateogo42/snake against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateogo42%2Fsnake" "/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/mateogo42/snake on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mateogo42/snake
[INFO] finished tweaking git repo https://github.com/mateogo42/snake
[INFO] tweaked toml for git repo https://github.com/mateogo42/snake written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mateogo42/snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v0.1.10
[INFO] [stderr]   Downloaded paste-impl v0.1.10
[INFO] [stderr]   Downloaded ctor v0.1.13
[INFO] [stderr]   Downloaded euclid v0.20.10
[INFO] [stderr]   Downloaded backtrace-sys v0.1.36
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adc4516ed266a3bd523943c9b5b5f84cdf177b8f6c3eb72a2461ca1514fc986d
[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" "adc4516ed266a3bd523943c9b5b5f84cdf177b8f6c3eb72a2461ca1514fc986d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc4516ed266a3bd523943c9b5b5f84cdf177b8f6c3eb72a2461ca1514fc986d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc4516ed266a3bd523943c9b5b5f84cdf177b8f6c3eb72a2461ca1514fc986d", kill_on_drop: false }`
[INFO] [stdout] adc4516ed266a3bd523943c9b5b5f84cdf177b8f6c3eb72a2461ca1514fc986d
[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" "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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 67504a391a5e804bc93f22d56dc9f7d8853f9a413f5a5660aa0edb34dfc88b94
[INFO] running `Command { std: "docker" "start" "-a" "67504a391a5e804bc93f22d56dc9f7d8853f9a413f5a5660aa0edb34dfc88b94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]    Compiling tinystr v0.3.2
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.7.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking unic-langid-impl v0.8.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking euclid v0.20.10
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
[INFO] [stderr]    Compiling shred-derive v0.6.2
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling glsl-layout-derive v0.3.2
[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-0.6.17/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=de68b1b88e656607 -C extra-filename=-de68b1b88e656607 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: signal: 9
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.thiserror_impl.ahjx4kcm-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libthiserror_impl-0051a8ea383bef88.so" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.trufu6o6gn3kssi.rcgu.o" "/opt/rustwide/target/debug/deps/thiserror_impl-0051a8ea383bef88.362099ul3wsyo83d.rcgu.o" "-Wl,--gc-sections" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsyn-134b92ca44ef2b6d.rlib" "/opt/rustwide/target/debug/deps/libquote-017912cd0ef99015.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-043c1edb1a3d4695.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-00e718d0d0f7c0e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-99fff886dc1d5825.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "67504a391a5e804bc93f22d56dc9f7d8853f9a413f5a5660aa0edb34dfc88b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67504a391a5e804bc93f22d56dc9f7d8853f9a413f5a5660aa0edb34dfc88b94", kill_on_drop: false }`
[INFO] [stdout] 67504a391a5e804bc93f22d56dc9f7d8853f9a413f5a5660aa0edb34dfc88b94
