[INFO] cloning repository https://github.com/badboy/mdbook-dtmo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/badboy/mdbook-dtmo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fmdbook-dtmo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fmdbook-dtmo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33a3c1fdab6f0dc4cb4b96879a28d870f8c9f017
[INFO] testing badboy/mdbook-dtmo 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%2Fbadboy%2Fmdbook-dtmo" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/badboy/mdbook-dtmo 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/badboy/mdbook-dtmo
[INFO] finished tweaking git repo https://github.com/badboy/mdbook-dtmo
[INFO] tweaked toml for git repo https://github.com/badboy/mdbook-dtmo written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/badboy/mdbook-dtmo 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mdbook-toc v0.8.0
[INFO] [stderr]   Downloaded open v2.0.2
[INFO] [stderr]   Downloaded mdbook-open-on-gh v2.0.2
[INFO] [stderr]   Downloaded mdbook-mermaid v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 7bf85f5e0fad8dce0401a6278bb4c6370fa93b1bba2d330ed3f81200796c82a5
[INFO] running `Command { std: "docker" "start" "-a" "7bf85f5e0fad8dce0401a6278bb4c6370fa93b1bba2d330ed3f81200796c82a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf85f5e0fad8dce0401a6278bb4c6370fa93b1bba2d330ed3f81200796c82a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf85f5e0fad8dce0401a6278bb4c6370fa93b1bba2d330ed3f81200796c82a5", kill_on_drop: false }`
[INFO] [stdout] 7bf85f5e0fad8dce0401a6278bb4c6370fa93b1bba2d330ed3f81200796c82a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] cfb98701de35f99b1dd42af70654a4314098970f683d605fc92e48a82902c8e3
[INFO] running `Command { std: "docker" "start" "-a" "cfb98701de35f99b1dd42af70654a4314098970f683d605fc92e48a82902c8e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling topological-sort v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling heck v0.3.3
[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,future-incompat --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=fd0c3ba7c22fa1f4 -C extra-filename=-fd0c3ba7c22fa1f4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "cfb98701de35f99b1dd42af70654a4314098970f683d605fc92e48a82902c8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb98701de35f99b1dd42af70654a4314098970f683d605fc92e48a82902c8e3", kill_on_drop: false }`
[INFO] [stdout] cfb98701de35f99b1dd42af70654a4314098970f683d605fc92e48a82902c8e3