[INFO] cloning repository https://github.com/jchen1/qs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jchen1/qs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchen1%2Fqs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchen1%2Fqs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9aee3c48eb386599528f3f0b17a3e108d327203
[INFO] documenting jchen1/qs 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%2Fjchen1%2Fqs" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jchen1/qs 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/jchen1/qs
[INFO] finished tweaking git repo https://github.com/jchen1/qs
[INFO] tweaked toml for git repo https://github.com/jchen1/qs written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/jchen1/qs 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 r2d2 v0.8.3
[INFO] [stderr]   Downloaded tokio-fs v0.1.5
[INFO] [stderr]   Downloaded jsonwebtoken v5.0.1
[INFO] [stderr]   Downloaded v_escape v0.3.2
[INFO] [stderr]   Downloaded v_htmlescape v0.3.2
[INFO] [stderr]   Downloaded flate2 v1.0.6
[INFO] [stderr]   Downloaded signal-hook v0.1.7
[INFO] [stderr]   Downloaded arc-swap v0.3.7
[INFO] [stderr]   Downloaded actix_derive v0.3.2
[INFO] [stderr]   Downloaded nom v4.2.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.6.3
[INFO] [stderr]   Downloaded ipconfig v0.1.9
[INFO] [stderr]   Downloaded v_escape_derive v0.2.1
[INFO] [stderr]   Downloaded actix-web v0.7.18
[INFO] [stderr]   Downloaded actix-net v0.2.6
[INFO] [stderr]   Downloaded combine v3.6.6
[INFO] [stderr]   Downloaded juniper v0.11.1
[INFO] [stderr]   Downloaded trust-dns-proto v0.5.0
[INFO] [stderr]   Downloaded actix v0.7.9
[INFO] [stderr]   Downloaded tower-service v0.1.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.3
[INFO] [stderr]   Downloaded redis v0.9.1
[INFO] [stderr]   Downloaded diesel v1.4.1
[INFO] [stderr]   Downloaded tokio-sync v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.87
[INFO] [stderr]   Downloaded juniper_codegen v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 4edd0eb4e92e90e03844a2c323eaa4256de9ce586eb4ab4faef9255636e02376
[INFO] running `Command { std: "docker" "start" "-a" "4edd0eb4e92e90e03844a2c323eaa4256de9ce586eb4ab4faef9255636e02376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4edd0eb4e92e90e03844a2c323eaa4256de9ce586eb4ab4faef9255636e02376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edd0eb4e92e90e03844a2c323eaa4256de9ce586eb4ab4faef9255636e02376", kill_on_drop: false }`
[INFO] [stdout] 4edd0eb4e92e90e03844a2c323eaa4256de9ce586eb4ab4faef9255636e02376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 16046377ddd9bc7ab02c7cbc51ef91b1d49b9a97f68f252f0fe3c3ebcce7abdf
[INFO] running `Command { std: "docker" "start" "-a" "16046377ddd9bc7ab02c7cbc51ef91b1d49b9a97f68f252f0fe3c3ebcce7abdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling redis v0.9.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling encoding_rs v0.8.16
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]     Checking tokio-sync v0.1.1
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking r2d2 v0.8.3
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking listenfd v0.3.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[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-0.6.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=cd59f52e3944d555 -C extra-filename=-cd59f52e3944d555 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-f7b6dd53ce9cc1c2.rmeta --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" "16046377ddd9bc7ab02c7cbc51ef91b1d49b9a97f68f252f0fe3c3ebcce7abdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16046377ddd9bc7ab02c7cbc51ef91b1d49b9a97f68f252f0fe3c3ebcce7abdf", kill_on_drop: false }`
[INFO] [stdout] 16046377ddd9bc7ab02c7cbc51ef91b1d49b9a97f68f252f0fe3c3ebcce7abdf
