[INFO] cloning repository https://github.com/aconstantinou123/actix_web_practise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aconstantinou123/actix_web_practise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconstantinou123%2Factix_web_practise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconstantinou123%2Factix_web_practise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5993ff007ec0b5c415fdf224038509c557b45e6c
[INFO] documenting aconstantinou123/actix_web_practise against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconstantinou123%2Factix_web_practise" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aconstantinou123/actix_web_practise on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aconstantinou123/actix_web_practise
[INFO] finished tweaking git repo https://github.com/aconstantinou123/actix_web_practise
[INFO] tweaked toml for git repo https://github.com/aconstantinou123/actix_web_practise written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/aconstantinou123/actix_web_practise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] [stderr]   Downloaded actix-server-config v0.1.1
[INFO] [stderr]   Downloaded actix-rt v0.2.3
[INFO] [stderr]   Downloaded signal-hook-registry v1.0.1
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded listenfd v0.3.3
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded actix-web v1.0.3
[INFO] [stderr]   Downloaded actix-threadpool v0.1.1
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] [stderr]   Downloaded regex-syntax v0.6.8
[INFO] [stderr]   Downloaded winreg v0.6.0
[INFO] [stderr]   Downloaded socket2 v0.3.9
[INFO] [stderr]   Downloaded actix-service v0.4.1
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded actix-connect v0.2.0
[INFO] [stderr]   Downloaded actix-server v0.5.1
[INFO] [stderr]   Downloaded awc v0.2.2
[INFO] [stderr]   Downloaded actix-utils v0.4.2
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded actix-http v0.2.5
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded tokio-openssl v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4dc7912f905b8908e7721b6a42ecb0104583343656f52c5d22f753025b30c7c
[INFO] running `Command { std: "docker" "start" "-a" "c4dc7912f905b8908e7721b6a42ecb0104583343656f52c5d22f753025b30c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4dc7912f905b8908e7721b6a42ecb0104583343656f52c5d22f753025b30c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4dc7912f905b8908e7721b6a42ecb0104583343656f52c5d22f753025b30c7c", kill_on_drop: false }`
[INFO] [stdout] c4dc7912f905b8908e7721b6a42ecb0104583343656f52c5d22f753025b30c7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=forbid" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f469ce3e32f9ca2899d5d775d158e751396079c0bb1f1887ef96860745558fe0
[INFO] running `Command { std: "docker" "start" "-a" "f469ce3e32f9ca2899d5d775d158e751396079c0bb1f1887ef96860745558fe0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling serde v1.0.95
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]     Checking actix-service v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]     Checking base64 v0.10.1
[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-0.6.8/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=fe273588349e8134 -C extra-filename=-fe273588349e8134 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-3cc94c66ff24300e.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f469ce3e32f9ca2899d5d775d158e751396079c0bb1f1887ef96860745558fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f469ce3e32f9ca2899d5d775d158e751396079c0bb1f1887ef96860745558fe0", kill_on_drop: false }`
[INFO] [stdout] f469ce3e32f9ca2899d5d775d158e751396079c0bb1f1887ef96860745558fe0