[INFO] cloning repository https://github.com/minhkhiemm/catdex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minhkhiemm/catdex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminhkhiemm%2Fcatdex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminhkhiemm%2Fcatdex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f68e41778fefba7fa3648d0a5149b8cd44d2cc2
[INFO] documenting minhkhiemm/catdex against 1.55.0 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminhkhiemm%2Fcatdex" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minhkhiemm/catdex on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minhkhiemm/catdex
[INFO] finished tweaking git repo https://github.com/minhkhiemm/catdex
[INFO] tweaked toml for git repo https://github.com/minhkhiemm/catdex written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/minhkhiemm/catdex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1ad45b184bbdab12e7aca9135c1d131af999c2bcc5efb3014731dec7b1dc522
[INFO] running `Command { std: "docker" "start" "-a" "e1ad45b184bbdab12e7aca9135c1d131af999c2bcc5efb3014731dec7b1dc522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1ad45b184bbdab12e7aca9135c1d131af999c2bcc5efb3014731dec7b1dc522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ad45b184bbdab12e7aca9135c1d131af999c2bcc5efb3014731dec7b1dc522", kill_on_drop: false }`
[INFO] [stdout] e1ad45b184bbdab12e7aca9135c1d131af999c2bcc5efb3014731dec7b1dc522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d6db4312015ca8dde25236060ff03ca58e621266b87596b2495175d21be361
[INFO] running `Command { std: "docker" "start" "-a" "48d6db4312015ca8dde25236060ff03ca58e621266b87596b2495175d21be361", 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]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.24
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking instant v0.1.9
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=1b5f17716d25944e -C extra-filename=-1b5f17716d25944e --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" "48d6db4312015ca8dde25236060ff03ca58e621266b87596b2495175d21be361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d6db4312015ca8dde25236060ff03ca58e621266b87596b2495175d21be361", kill_on_drop: false }`
[INFO] [stdout] 48d6db4312015ca8dde25236060ff03ca58e621266b87596b2495175d21be361