[INFO] cloning repository https://github.com/darwinia-network/sparse-merkle-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darwinia-network/sparse-merkle-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fsparse-merkle-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fsparse-merkle-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 704fd346aa1a2190a58c124e9beda5a2b756ae4f
[INFO] documenting darwinia-network/sparse-merkle-tree against 1.86.0 for beta-1.87-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fsparse-merkle-tree" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/darwinia-network/sparse-merkle-tree on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/darwinia-network/sparse-merkle-tree
[INFO] finished tweaking git repo https://github.com/darwinia-network/sparse-merkle-tree
[INFO] tweaked toml for git repo https://github.com/darwinia-network/sparse-merkle-tree written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/darwinia-network/sparse-merkle-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded crunchy v0.2.2
[INFO] [stderr]   Downloaded array-bytes v1.4.1
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded tiny-keccak v2.0.2
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d22ec8ebac0fba2e9f0d534ef77698c0a581dfe064436adafd50bdab0bf91077
[INFO] running `Command { std: "docker" "start" "-a" "d22ec8ebac0fba2e9f0d534ef77698c0a581dfe064436adafd50bdab0bf91077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d22ec8ebac0fba2e9f0d534ef77698c0a581dfe064436adafd50bdab0bf91077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22ec8ebac0fba2e9f0d534ef77698c0a581dfe064436adafd50bdab0bf91077", kill_on_drop: false }`
[INFO] [stdout] d22ec8ebac0fba2e9f0d534ef77698c0a581dfe064436adafd50bdab0bf91077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9448960da854da1cdfbaf6b077f319a72c44189e615332b3cec00c5df48ff421
[INFO] running `Command { std: "docker" "start" "-a" "9448960da854da1cdfbaf6b077f319a72c44189e615332b3cec00c5df48ff421", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]  Documenting tiny-sparse-merkle-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `SparseMerkleRoot::proof_of`
[INFO] [stdout]    --> src/lib.rs:251:47
[INFO] [stdout]     |
[INFO] [stdout] 251 |     /// Pass the `indices` in descend order to [`SparseMerkleRoot::proof_of`],
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `SparseMerkleRoot` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/tiny_sparse_merkle_tree/index.html
[INFO] running `Command { std: "docker" "inspect" "9448960da854da1cdfbaf6b077f319a72c44189e615332b3cec00c5df48ff421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9448960da854da1cdfbaf6b077f319a72c44189e615332b3cec00c5df48ff421", kill_on_drop: false }`
[INFO] [stdout] 9448960da854da1cdfbaf6b077f319a72c44189e615332b3cec00c5df48ff421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94c48f25b42b693550f46fa35b46f0344555bfadb733c1f41c959faf77e3bdef
[INFO] running `Command { std: "docker" "start" "-a" "94c48f25b42b693550f46fa35b46f0344555bfadb733c1f41c959faf77e3bdef", kill_on_drop: false }`
[INFO] [stderr]  Documenting tiny-sparse-merkle-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `SparseMerkleRoot::proof_of`
[INFO] [stdout]    --> src/lib.rs:251:47
[INFO] [stdout]     |
[INFO] [stdout] 251 |     /// Pass the `indices` in descend order to [`SparseMerkleRoot::proof_of`],
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `SparseMerkleRoot` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/tiny_sparse_merkle_tree/index.html
[INFO] running `Command { std: "docker" "inspect" "94c48f25b42b693550f46fa35b46f0344555bfadb733c1f41c959faf77e3bdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c48f25b42b693550f46fa35b46f0344555bfadb733c1f41c959faf77e3bdef", kill_on_drop: false }`
[INFO] [stdout] 94c48f25b42b693550f46fa35b46f0344555bfadb733c1f41c959faf77e3bdef