[INFO] cloning repository https://github.com/fakecoinbase/ZcashFoundationslashzebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fakecoinbase/ZcashFoundationslashzebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakecoinbase%2FZcashFoundationslashzebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakecoinbase%2FZcashFoundationslashzebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b3c6e4c6cc9fc125f53a3f798833a66648fefc9
[INFO] documenting fakecoinbase/ZcashFoundationslashzebra 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%2Ffakecoinbase%2FZcashFoundationslashzebra" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra 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/fakecoinbase/ZcashFoundationslashzebra
[INFO] finished tweaking git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra
[INFO] tweaked toml for git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra 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]     Updating git repository `https://github.com/yaahc/abscissa.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jubjub v0.3.0
[INFO] [stderr]   Downloaded metrics-observer-json v0.1.1
[INFO] [stderr]   Downloaded metrics-util v0.3.1
[INFO] [stderr]   Downloaded metrics-observer-prometheus v0.1.4
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] [stderr]   Downloaded proptest v0.10.0
[INFO] [stderr]   Downloaded spandoc-attribute v0.1.0
[INFO] [stderr]   Downloaded canonical-path v2.0.2
[INFO] [stderr]   Downloaded atomic-shim v0.1.0
[INFO] [stderr]   Downloaded metrics v0.12.1
[INFO] [stderr]   Downloaded metrics-observer-yaml v0.1.1
[INFO] [stderr]   Downloaded metrics-exporter-http v0.3.0
[INFO] [stderr]   Downloaded metrics-runtime v0.13.1
[INFO] [stderr]   Downloaded metrics-core v0.5.2
[INFO] [stderr]   Downloaded quanta v0.3.2
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded color-backtrace v0.4.2
[INFO] [stderr]   Downloaded gumdrop v0.7.0
[INFO] [stderr]   Downloaded spandoc v0.2.0
[INFO] [stderr]   Downloaded ed25519-zebra v1.0.0
[INFO] [stderr]   Downloaded equihash v0.1.0
[INFO] [stderr]   Downloaded redjubjub v0.2.2
[INFO] [stderr]   Downloaded serde-big-array v0.3.0
[INFO] [stderr]   Downloaded metrics-exporter-log v0.4.0
[INFO] [stderr]   Downloaded gumdrop_derive v0.7.0
[INFO] [stderr]   Downloaded sled v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d08c5f859ff48c2d2ab7c1043e91a7e7583a1fedcff7072c6199ad8a7719e220
[INFO] running `Command { std: "docker" "start" "-a" "d08c5f859ff48c2d2ab7c1043e91a7e7583a1fedcff7072c6199ad8a7719e220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d08c5f859ff48c2d2ab7c1043e91a7e7583a1fedcff7072c6199ad8a7719e220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08c5f859ff48c2d2ab7c1043e91a7e7583a1fedcff7072c6199ad8a7719e220", kill_on_drop: false }`
[INFO] [stdout] d08c5f859ff48c2d2ab7c1043e91a7e7583a1fedcff7072c6199ad8a7719e220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 25ae9f22979ac587344df4283244bf031f87af3036c2148a688c2eecf0081ea7
[INFO] running `Command { std: "docker" "start" "-a" "25ae9f22979ac587344df4283244bf031f87af3036c2148a688c2eecf0081ea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]  Documenting zebra-script v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-script)
[INFO] [stderr]  Documenting zebra-rpc v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-rpc)
[INFO] [stderr]  Documenting zebra-client v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-client)
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr] error: could not document `zebra-rpc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name zebra_rpc zebra-rpc/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=59e92f0882b599d6 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 3.0.0-alpha.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `zebra-client`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name zebra_client zebra-client/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0e3f47111f4da2f7 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 3.0.0-alpha.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `zebra-script`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name zebra_script zebra-script/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=00935143a0012bb9 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 3.0.0-alpha.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `httparse`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/httparse-1.3.4/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=174f4085731dace4 -C extra-filename=-174f4085731dace4 --out-dir /opt/rustwide/target/debug/build/httparse-174f4085731dace4 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[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-0.6.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C panic=abort -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=ea9d6c93d13055a9 -C extra-filename=-ea9d6c93d13055a9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.22.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C panic=abort -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="read"' -C metadata=cb8ed9251949036c -C extra-filename=-cb8ed9251949036c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `proc-macro-hack`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro_hack --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-hack-0.5.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=249797ad204589ad -C extra-filename=-249797ad204589ad --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.41/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3fe66d403d99be3a -C extra-filename=-3fe66d403d99be3a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "25ae9f22979ac587344df4283244bf031f87af3036c2148a688c2eecf0081ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ae9f22979ac587344df4283244bf031f87af3036c2148a688c2eecf0081ea7", kill_on_drop: false }`
[INFO] [stdout] 25ae9f22979ac587344df4283244bf031f87af3036c2148a688c2eecf0081ea7