[INFO] cloning repository https://github.com/duanebester/mongo-metal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duanebester/mongo-metal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduanebester%2Fmongo-metal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduanebester%2Fmongo-metal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1571e525e046827f8e0f911e132aa0d114e0f3b
[INFO] documenting duanebester/mongo-metal 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%2Fduanebester%2Fmongo-metal" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duanebester/mongo-metal 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/duanebester/mongo-metal
[INFO] finished tweaking git repo https://github.com/duanebester/mongo-metal
[INFO] tweaked toml for git repo https://github.com/duanebester/mongo-metal written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/duanebester/mongo-metal 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]     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_with_macros v1.4.1
[INFO] [stderr]   Downloaded headers v0.3.3
[INFO] [stderr]   Downloaded os_info v3.0.1
[INFO] [stderr]   Downloaded bson v1.2.0
[INFO] [stderr]   Downloaded warp v0.3.0
[INFO] [stderr]   Downloaded once_cell v1.6.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.0
[INFO] [stderr]   Downloaded darling_macro v0.12.1
[INFO] [stderr]   Downloaded serde_with v1.6.4
[INFO] [stderr]   Downloaded darling_core v0.12.1
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.0
[INFO] [stderr]   Downloaded darling v0.12.1
[INFO] [stderr]   Downloaded mongodb v2.0.0-alpha
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c05947ef2e30c5e75d90393433c70ad866ea230b71aea6705a11909542ee825e
[INFO] running `Command { std: "docker" "start" "-a" "c05947ef2e30c5e75d90393433c70ad866ea230b71aea6705a11909542ee825e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c05947ef2e30c5e75d90393433c70ad866ea230b71aea6705a11909542ee825e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05947ef2e30c5e75d90393433c70ad866ea230b71aea6705a11909542ee825e", kill_on_drop: false }`
[INFO] [stdout] c05947ef2e30c5e75d90393433c70ad866ea230b71aea6705a11909542ee825e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d47c43997be44aa401e88cab23069c5dd859fc075a54f26b97cbf6ef67cfd3c6
[INFO] running `Command { std: "docker" "start" "-a" "d47c43997be44aa401e88cab23069c5dd859fc075a54f26b97cbf6ef67cfd3c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking once_cell v1.6.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking crypto-mac v0.7.0
[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-0.6.22/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=f002e73c18d6a1fa -C extra-filename=-f002e73c18d6a1fa --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" "d47c43997be44aa401e88cab23069c5dd859fc075a54f26b97cbf6ef67cfd3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47c43997be44aa401e88cab23069c5dd859fc075a54f26b97cbf6ef67cfd3c6", kill_on_drop: false }`
[INFO] [stdout] d47c43997be44aa401e88cab23069c5dd859fc075a54f26b97cbf6ef67cfd3c6