[INFO] cloning repository https://github.com/Miniwoffer/mdbook-insigno
[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-insigno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-insigno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-insigno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 340658674b6398981b43db5b1a701b6728241a81
[INFO] checking Miniwoffer/mdbook-insigno against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-insigno" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Miniwoffer/mdbook-insigno on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Miniwoffer/mdbook-insigno
[INFO] finished tweaking git repo https://github.com/Miniwoffer/mdbook-insigno
[INFO] tweaked toml for git repo https://github.com/Miniwoffer/mdbook-insigno written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/Miniwoffer/mdbook-insigno already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 gitignore v1.0.6
[INFO] [stderr]   Downloaded ammonia v3.1.0
[INFO] [stderr]   Downloaded handlebars v3.0.1
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.6
[INFO] [stderr]   Downloaded pulldown-cmark v0.6.1
[INFO] [stderr]   Downloaded staticfile v0.5.0
[INFO] [stderr]   Downloaded darling_macro v0.8.6
[INFO] [stderr]   Downloaded is-match v0.1.0
[INFO] [stderr]   Downloaded toml-query_derive v0.9.2
[INFO] [stderr]   Downloaded toml-query v0.9.2
[INFO] [stderr]   Downloaded darling_core v0.8.6
[INFO] [stderr]   Downloaded darling v0.8.6
[INFO] [stderr]   Downloaded mdbook v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d63909e163995d82dede55975ce14970a0f18a0df24949500574b394efa8a0dd
[INFO] running `Command { std: "docker" "start" "-a" "d63909e163995d82dede55975ce14970a0f18a0df24949500574b394efa8a0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63909e163995d82dede55975ce14970a0f18a0df24949500574b394efa8a0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63909e163995d82dede55975ce14970a0f18a0df24949500574b394efa8a0dd", kill_on_drop: false }`
[INFO] [stdout] d63909e163995d82dede55975ce14970a0f18a0df24949500574b394efa8a0dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7cd8c7c21a009268bee3123b5008c9187e4b822840c60000bb42c5b6e5d6bf6
[INFO] running `Command { std: "docker" "start" "-a" "a7cd8c7c21a009268bee3123b5008c9187e4b822840c60000bb42c5b6e5d6bf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]    Compiling siphasher v0.3.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking gitignore v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -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=dc7cf541bc2f2603 -C extra-filename=-dc7cf541bc2f2603 --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" "a7cd8c7c21a009268bee3123b5008c9187e4b822840c60000bb42c5b6e5d6bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cd8c7c21a009268bee3123b5008c9187e4b822840c60000bb42c5b6e5d6bf6", kill_on_drop: false }`
[INFO] [stdout] a7cd8c7c21a009268bee3123b5008c9187e4b822840c60000bb42c5b6e5d6bf6
