[INFO] cloning repository https://github.com/drahnr/cachepot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drahnr/cachepot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fcachepot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fcachepot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b46b99bc726e08b3d3be98665b9e2e9c136494ef
[INFO] documenting drahnr/cachepot against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fcachepot" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drahnr/cachepot on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drahnr/cachepot
[INFO] finished tweaking git repo https://github.com/drahnr/cachepot
[INFO] tweaked toml for git repo https://github.com/drahnr/cachepot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/drahnr/cachepot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-core v1.0.1
[INFO] [stderr]   Downloaded combine v4.5.2
[INFO] [stderr]   Downloaded simple_asn1 v0.4.1
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded jsonwebtoken v7.2.0
[INFO] [stderr]   Downloaded futures-locks v0.6.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.1
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded picky-asn1 v0.3.1
[INFO] [stderr]   Downloaded rsa v0.4.0
[INFO] [stderr]   Downloaded skeptic v0.4.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.2
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded conhash v0.4.0
[INFO] [stderr]   Downloaded ar v0.8.0
[INFO] [stderr]   Downloaded oid v0.1.1
[INFO] [stderr]   Downloaded predicates v1.0.6
[INFO] [stderr]   Downloaded libmount v0.1.15
[INFO] [stderr]   Downloaded selenium-rs v0.1.2
[INFO] [stderr]   Downloaded picky-asn1-der v0.2.4
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.1
[INFO] [stderr]   Downloaded futures v0.1.30
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded vte v0.3.3
[INFO] [stderr]   Downloaded zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded tokio-serde v0.6.1
[INFO] [stderr]   Downloaded zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]   Downloaded rsa v0.3.0
[INFO] [stderr]   Downloaded pem v0.8.2
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded syslog v5.0.0
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded counted-array v0.1.2
[INFO] [stderr]   Downloaded simple_asn1 v0.5.2
[INFO] [stderr]   Downloaded directories v3.0.1
[INFO] [stderr]   Downloaded fs-err v2.6.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.3
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded local-encoding v0.2.0
[INFO] [stderr]   Downloaded memcached-rs v0.4.2
[INFO] [stderr]   Downloaded retry v1.2.0
[INFO] [stderr]   Downloaded redis v0.17.0
[INFO] [stderr]   Downloaded zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]   Downloaded picky v6.2.0
[INFO] [stderr]   Downloaded picky-asn1-x509 v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 699e48c2232f5812ebbd66b1d897be4385a13402e4b6173c6a17d750c0b0d23d
[INFO] running `Command { std: "docker" "start" "-a" "699e48c2232f5812ebbd66b1d897be4385a13402e4b6173c6a17d750c0b0d23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "699e48c2232f5812ebbd66b1d897be4385a13402e4b6173c6a17d750c0b0d23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699e48c2232f5812ebbd66b1d897be4385a13402e4b6173c6a17d750c0b0d23d", kill_on_drop: false }`
[INFO] [stdout] 699e48c2232f5812ebbd66b1d897be4385a13402e4b6173c6a17d750c0b0d23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 781652cedf908a66cb044c57ecf85bc3bfdf786b69b60dd4530fd7e6e2f3e090
[INFO] running `Command { std: "docker" "start" "-a" "781652cedf908a66cb044c57ecf85bc3bfdf786b69b60dd4530fd7e6e2f3e090", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking counted-array v0.1.2
[INFO] [stderr]     Checking ar v0.8.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking fs-err v2.6.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling num-bigint-dig v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[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-0.6.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --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=d75b4ad6a4546e86 -C extra-filename=-d75b4ad6a4546e86 --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] running `Command { std: "docker" "inspect" "781652cedf908a66cb044c57ecf85bc3bfdf786b69b60dd4530fd7e6e2f3e090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781652cedf908a66cb044c57ecf85bc3bfdf786b69b60dd4530fd7e6e2f3e090", kill_on_drop: false }`
[INFO] [stdout] 781652cedf908a66cb044c57ecf85bc3bfdf786b69b60dd4530fd7e6e2f3e090