[INFO] cloning repository https://github.com/Miniwoffer/mdbook-dot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Miniwoffer/mdbook-dot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-dot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-dot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e7cf6e29993aa699ffcf60659acd6f62009f561
[INFO] testing Miniwoffer/mdbook-dot against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-dot" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Miniwoffer/mdbook-dot on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Miniwoffer/mdbook-dot
[INFO] finished tweaking git repo https://github.com/Miniwoffer/mdbook-dot
[INFO] tweaked toml for git repo https://github.com/Miniwoffer/mdbook-dot written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/Miniwoffer/mdbook-dot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36f16547f29ca496c6569ccf3add07ff7516a1c850edfe47535381c6328112d5
[INFO] running `Command { std: "docker" "start" "-a" "36f16547f29ca496c6569ccf3add07ff7516a1c850edfe47535381c6328112d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f16547f29ca496c6569ccf3add07ff7516a1c850edfe47535381c6328112d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f16547f29ca496c6569ccf3add07ff7516a1c850edfe47535381c6328112d5", kill_on_drop: false }`
[INFO] [stdout] 36f16547f29ca496c6569ccf3add07ff7516a1c850edfe47535381c6328112d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b00bc428012b1d73b059cbfdd3042b36f85e1e8b277c155331b89e0695a88b0
[INFO] running `Command { std: "docker" "start" "-a" "6b00bc428012b1d73b059cbfdd3042b36f85e1e8b277c155331b89e0695a88b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling utf-8 v0.7.4
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling strum v0.9.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling open v1.2.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]    Compiling humantime v1.1.1
[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-0.6.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=37c3919f6b5228bd -C extra-filename=-37c3919f6b5228bd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-36cbff1fe00d04ff.rmeta --cap-lints allow --cap-lints=warn` (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" "6b00bc428012b1d73b059cbfdd3042b36f85e1e8b277c155331b89e0695a88b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b00bc428012b1d73b059cbfdd3042b36f85e1e8b277c155331b89e0695a88b0", kill_on_drop: false }`
[INFO] [stdout] 6b00bc428012b1d73b059cbfdd3042b36f85e1e8b277c155331b89e0695a88b0