[INFO] fetching crate cargo-serve-doc 0.1.0...
[INFO] testing cargo-serve-doc-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate cargo-serve-doc 0.1.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate cargo-serve-doc 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-serve-doc 0.1.0
[INFO] finished tweaking crates.io crate cargo-serve-doc 0.1.0
[INFO] tweaked toml for crates.io crate cargo-serve-doc 0.1.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 serde_plain v0.3.0
[INFO] [stderr]   Downloaded mime_guess v1.8.8
[INFO] [stderr]   Downloaded headers v0.2.3
[INFO] [stderr]   Downloaded atoi v0.2.3
[INFO] [stderr]   Downloaded replacing-buf-stream v0.1.0
[INFO] [stderr]   Downloaded tower-service v0.1.0
[INFO] [stderr]   Downloaded tower-web v0.3.7
[INFO] [stderr]   Downloaded checked v0.5.0
[INFO] [stderr]   Downloaded tower-web-macros v0.3.5
[INFO] [stderr]   Downloaded handlebars v1.0.5
[INFO] [stderr]   Downloaded headers-core v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13469f39818cb514aecbab33024b2c934533cf3c24c2c28a2a7718bd81f67305
[INFO] running `Command { std: "docker" "start" "-a" "13469f39818cb514aecbab33024b2c934533cf3c24c2c28a2a7718bd81f67305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13469f39818cb514aecbab33024b2c934533cf3c24c2c28a2a7718bd81f67305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13469f39818cb514aecbab33024b2c934533cf3c24c2c28a2a7718bd81f67305", kill_on_drop: false }`
[INFO] [stdout] 13469f39818cb514aecbab33024b2c934533cf3c24c2c28a2a7718bd81f67305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a3a1b7e2568ef18e94c6b9db8efa16c5e19bdf86c661bc982d2a7b5497f472
[INFO] running `Command { std: "docker" "start" "-a" "d1a3a1b7e2568ef18e94c6b9db8efa16c5e19bdf86c661bc982d2a7b5497f472", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling siphasher v0.2.3
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[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling curl v0.4.40
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
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[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling home v0.3.4
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unicase v1.4.2
[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 foreign-types v0.3.2
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tower-service v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling curl-sys v0.4.50+curl-7.79.1
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling checked v0.5.0
[INFO] [stderr]    Compiling atoi v0.2.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.5.4/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --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=dd9363dd410b6a25 -C extra-filename=-dd9363dd410b6a25 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-056f10d3df8fc98c.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e6bbee201eb478c9.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-c25dc19d7487cdf7.rmeta --cap-lints allow --cap-lints=forbid` (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" "d1a3a1b7e2568ef18e94c6b9db8efa16c5e19bdf86c661bc982d2a7b5497f472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a3a1b7e2568ef18e94c6b9db8efa16c5e19bdf86c661bc982d2a7b5497f472", kill_on_drop: false }`
[INFO] [stdout] d1a3a1b7e2568ef18e94c6b9db8efa16c5e19bdf86c661bc982d2a7b5497f472