[INFO] cloning repository https://github.com/mmai/kbooks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmai/kbooks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmai%2Fkbooks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmai%2Fkbooks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8363303bc237087b0e3d87aebbafffbce25cb2bb
[INFO] documenting mmai/kbooks against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmai%2Fkbooks" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmai/kbooks on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmai/kbooks
[INFO] finished tweaking git repo https://github.com/mmai/kbooks
[INFO] tweaked toml for git repo https://github.com/mmai/kbooks written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mmai/kbooks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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 hashbrown v0.3.1
[INFO] [stderr]   Downloaded migrations_macros v1.4.1
[INFO] [stderr]   Downloaded actix_derive v0.4.0
[INFO] [stderr]   Downloaded actix-identity v0.2.0
[INFO] [stderr]   Downloaded bytestring v0.1.2
[INFO] [stderr]   Downloaded actix-router v0.2.0
[INFO] [stderr]   Downloaded actix v0.8.3
[INFO] [stderr]   Downloaded actix-server v1.0.0
[INFO] [stderr]   Downloaded actix-web v2.0.0-rc
[INFO] [stderr]   Downloaded blowfish v0.4.0
[INFO] [stderr]   Downloaded actix-utils v1.0.4
[INFO] [stderr]   Downloaded actix-service v1.0.1
[INFO] [stderr]   Downloaded bcrypt v0.6.1
[INFO] [stderr]   Downloaded jsonwebtoken v7.0.0-alpha.2
[INFO] [stderr]   Downloaded actix-connect v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbe687008abf35e9e4785e9ff9bc7c7c0ed54f6e700acefa99a1f763b4c518c1
[INFO] running `Command { std: "docker" "start" "-a" "dbe687008abf35e9e4785e9ff9bc7c7c0ed54f6e700acefa99a1f763b4c518c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe687008abf35e9e4785e9ff9bc7c7c0ed54f6e700acefa99a1f763b4c518c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe687008abf35e9e4785e9ff9bc7c7c0ed54f6e700acefa99a1f763b4c518c1", kill_on_drop: false }`
[INFO] [stdout] dbe687008abf35e9e4785e9ff9bc7c7c0ed54f6e700acefa99a1f763b4c518c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f3389b677352d5e7abaccba9b00bff4c5370608567615dca8530b9805761034
[INFO] running `Command { std: "docker" "start" "-a" "2f3389b677352d5e7abaccba9b00bff4c5370608567615dca8530b9805761034", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling gettext-utils v0.1.0 (https://github.com/Plume-org/gettext-macros/?rev=a7c605f7edd6bfbfbfe7778026bfefd88d82db10#a7c605f7)
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]     Checking actix-service v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking byteorder v1.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking gettext v0.3.0 (https://github.com/Plume-org/gettext/?rev=294c54d74c699fbc66502b480a37cc66c1daa7f3#294c54d7)
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking bytestring v0.1.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking r2d2 v0.8.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking tokio v0.2.6
[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-0.6.12/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="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=f94a191365307a51 -C extra-filename=-f94a191365307a51 --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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2f3389b677352d5e7abaccba9b00bff4c5370608567615dca8530b9805761034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3389b677352d5e7abaccba9b00bff4c5370608567615dca8530b9805761034", kill_on_drop: false }`
[INFO] [stdout] 2f3389b677352d5e7abaccba9b00bff4c5370608567615dca8530b9805761034
