[INFO] fetching crate cita-merklehash 0.1.0...
[INFO] documenting cita-merklehash-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cita-merklehash 0.1.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate cita-merklehash 0.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cita-merklehash 0.1.0
[INFO] finished tweaking crates.io crate cita-merklehash 0.1.0
[INFO] tweaked toml for crates.io crate cita-merklehash 0.1.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e1e4ad122f3373481c1cf69cb213848de9621a086169fdeabe78dfa96565958
[INFO] running `Command { std: "docker" "start" "-a" "1e1e4ad122f3373481c1cf69cb213848de9621a086169fdeabe78dfa96565958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e1e4ad122f3373481c1cf69cb213848de9621a086169fdeabe78dfa96565958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1e4ad122f3373481c1cf69cb213848de9621a086169fdeabe78dfa96565958", kill_on_drop: false }`
[INFO] [stdout] 1e1e4ad122f3373481c1cf69cb213848de9621a086169fdeabe78dfa96565958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67e076ebe2d75f95b09dd432186ffddcbf32d46079dc090260dbb8cea49e5bf2
[INFO] running `Command { std: "docker" "start" "-a" "67e076ebe2d75f95b09dd432186ffddcbf32d46079dc090260dbb8cea49e5bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking byte-slice-cast v1.2.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking static_merkle_tree v1.1.0
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking rlp v0.5.1
[INFO] [stderr]     Checking uint v0.9.3
[INFO] [stderr]     Checking plain_hasher v0.2.3
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking ethbloom v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.1.2
[INFO] [stderr]     Checking parity-scale-codec v3.1.2
[INFO] [stderr]     Checking impl-codec v0.6.0
[INFO] [stderr]     Checking primitive-types v0.11.1
[INFO] [stderr]     Checking ethereum-types v0.13.1
[INFO] [stderr]     Checking cita-types v0.1.1
[INFO] [stderr]     Checking cita-hashable v0.1.0
[INFO] [stderr]  Documenting cita-merklehash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `self::hashable::HASH_NULL_RLP`
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use self::hashable::HASH_NULL_RLP as HASH_NULL;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `HASH_NULL_RLP` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cita-merklehash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name cita_merklehash src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0d158af4feffd3f9 -L dependency=/opt/rustwide/target/debug/deps --extern hashable=/opt/rustwide/target/debug/deps/libcita_hashable-c8a55eaaa472005a.rmeta --extern cita_types=/opt/rustwide/target/debug/deps/libcita_types-d88a00bfd2508f1c.rmeta --extern rlp=/opt/rustwide/target/debug/deps/librlp-c010fd4257e96a2d.rmeta --extern static_merkle_tree=/opt/rustwide/target/debug/deps/libstatic_merkle_tree-6b706658a6e56e70.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "67e076ebe2d75f95b09dd432186ffddcbf32d46079dc090260dbb8cea49e5bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e076ebe2d75f95b09dd432186ffddcbf32d46079dc090260dbb8cea49e5bf2", kill_on_drop: false }`
[INFO] [stdout] 67e076ebe2d75f95b09dd432186ffddcbf32d46079dc090260dbb8cea49e5bf2