[INFO] cloning repository https://github.com/ISSOtm/mdbook-spellcheck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ISSOtm/mdbook-spellcheck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FISSOtm%2Fmdbook-spellcheck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FISSOtm%2Fmdbook-spellcheck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c28bd2b4ceaeeced73b929b2d6101b29e12dd504
[INFO] documenting ISSOtm/mdbook-spellcheck against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FISSOtm%2Fmdbook-spellcheck" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ISSOtm/mdbook-spellcheck on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ISSOtm/mdbook-spellcheck
[INFO] finished tweaking git repo https://github.com/ISSOtm/mdbook-spellcheck
[INFO] tweaked toml for git repo https://github.com/ISSOtm/mdbook-spellcheck written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ISSOtm/mdbook-spellcheck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmlparser v0.13.3
[INFO] [stderr]   Downloaded quick-error v2.0.1
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded futf v0.1.4
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded pin-project v0.4.28
[INFO] [stderr]   Downloaded shlex v1.0.0
[INFO] [stderr]   Downloaded hyper v0.13.10
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded httpdate v1.0.1
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded gitignore v1.0.7
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded serde_regex v1.1.0
[INFO] [stderr]   Downloaded ammonia v3.1.1
[INFO] [stderr]   Downloaded srx v0.1.3
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded tracing-futures v0.2.5
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] [stderr]   Downloaded warp v0.2.5
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded urlencoding v1.3.3
[INFO] [stderr]   Downloaded serde-xml-rs v0.4.1
[INFO] [stderr]   Downloaded fs-err v2.6.0
[INFO] [stderr]   Downloaded onig v6.1.1
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.11
[INFO] [stderr]   Downloaded hyper v0.14.8
[INFO] [stderr]   Downloaded fancy-regex v0.5.0
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded zip v0.5.12
[INFO] [stderr]   Downloaded cpufeatures v0.1.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.28
[INFO] [stderr]   Downloaded enum_dispatch v0.3.7
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded tokio-util v0.6.7
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded tendril v0.4.2
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.11.0
[INFO] [stderr]   Downloaded open v1.7.0
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded headers v0.3.4
[INFO] [stderr]   Downloaded mdbook v0.4.8
[INFO] [stderr]   Downloaded fst v0.4.6
[INFO] [stderr]   Downloaded h2 v0.2.7
[INFO] [stderr]   Downloaded nlprule-build v0.6.4
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded directories v3.0.2
[INFO] [stderr]   Downloaded onig_sys v69.6.0
[INFO] [stderr]   Downloaded handlebars v3.5.5
[INFO] [stderr]   Downloaded rayon-cond v0.1.0
[INFO] [stderr]   Downloaded tokio v1.6.0
[INFO] [stderr]   Downloaded nlprule v0.6.4
[INFO] [stderr]   Downloaded bimap v0.6.1
[INFO] [stderr]   Downloaded roxmltree v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc484923ced9c92da5e3df46677204e613346140b37a6ce88b9cb53bcddf01a
[INFO] running `Command { std: "docker" "start" "-a" "2fc484923ced9c92da5e3df46677204e613346140b37a6ce88b9cb53bcddf01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc484923ced9c92da5e3df46677204e613346140b37a6ce88b9cb53bcddf01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc484923ced9c92da5e3df46677204e613346140b37a6ce88b9cb53bcddf01a", kill_on_drop: false }`
[INFO] [stdout] 2fc484923ced9c92da5e3df46677204e613346140b37a6ce88b9cb53bcddf01a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fc295667ca445b6c54c74ebc60ed8b190e9d4db1b9d522ca7e2aa408d863047
[INFO] running `Command { std: "docker" "start" "-a" "4fc295667ca445b6c54c74ebc60ed8b190e9d4db1b9d522ca7e2aa408d863047", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling fst v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling fs-err v2.6.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking shlex v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking gitignore v1.0.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking fancy-regex v0.5.0
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling directories v3.0.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling onig v6.1.1
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling enum_dispatch v0.3.7
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling zip v0.5.12
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.126/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=b721808363cebd9a -C extra-filename=-b721808363cebd9a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ca47117b064b7f78.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-de724f3417462047.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-2864542445530909.rlib --extern proc_macro --cap-lints allow --cfg underscore_consts` (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" "4fc295667ca445b6c54c74ebc60ed8b190e9d4db1b9d522ca7e2aa408d863047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc295667ca445b6c54c74ebc60ed8b190e9d4db1b9d522ca7e2aa408d863047", kill_on_drop: false }`
[INFO] [stdout] 4fc295667ca445b6c54c74ebc60ed8b190e9d4db1b9d522ca7e2aa408d863047
