[INFO] fetching crate monacoin 0.23.0...
[INFO] documenting monacoin-0.23.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate monacoin 0.23.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate monacoin 0.23.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monacoin 0.23.0
[INFO] finished tweaking crates.io crate monacoin 0.23.0
[INFO] tweaked toml for crates.io crate monacoin 0.23.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a16e867e5935cb0e0b73cc07d43fa2c4b617508ce5a11345f91315b1e89b30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87a16e867e5935cb0e0b73cc07d43fa2c4b617508ce5a11345f91315b1e89b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a16e867e5935cb0e0b73cc07d43fa2c4b617508ce5a11345f91315b1e89b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a16e867e5935cb0e0b73cc07d43fa2c4b617508ce5a11345f91315b1e89b30", kill_on_drop: false }`
[INFO] [stdout] 87a16e867e5935cb0e0b73cc07d43fa2c4b617508ce5a11345f91315b1e89b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be368768d1c82b4a3ec565efac127097726b0f712aad6c410c57614d3cabd1ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be368768d1c82b4a3ec565efac127097726b0f712aad6c410c57614d3cabd1ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking threefish-cipher v0.3.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking groestl v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking blake-hash v0.3.2
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking skein-hash v0.3.0
[INFO] [stderr]     Checking lyra2 v0.2.1
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]  Documenting monacoin v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/util/merkleblock.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |     /// ```
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 451 |     /// ```text
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.67s
[INFO] running `Command { std: "docker" "inspect" "be368768d1c82b4a3ec565efac127097726b0f712aad6c410c57614d3cabd1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be368768d1c82b4a3ec565efac127097726b0f712aad6c410c57614d3cabd1ab", kill_on_drop: false }`
[INFO] [stdout] be368768d1c82b4a3ec565efac127097726b0f712aad6c410c57614d3cabd1ab