[INFO] fetching crate cash_tx_builder 0.3.1...
[INFO] documenting cash_tx_builder-0.3.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cash_tx_builder 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cash_tx_builder 0.3.1 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 cash_tx_builder 0.3.1
[INFO] finished tweaking crates.io crate cash_tx_builder 0.3.1
[INFO] tweaked toml for crates.io crate cash_tx_builder 0.3.1 written to /workspace/builds/worker-9/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 689ff99919364c71437a8c8d8ef478203393a4eef84c05c4ff69c8c8bda808e1
[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" "689ff99919364c71437a8c8d8ef478203393a4eef84c05c4ff69c8c8bda808e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "689ff99919364c71437a8c8d8ef478203393a4eef84c05c4ff69c8c8bda808e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689ff99919364c71437a8c8d8ef478203393a4eef84c05c4ff69c8c8bda808e1", kill_on_drop: false }`
[INFO] [stdout] 689ff99919364c71437a8c8d8ef478203393a4eef84c05c4ff69c8c8bda808e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 35575bd8e0e4310766785fe9d1b3b5e5fac717fae28bef0eee7163bfc92f0f23
[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" "35575bd8e0e4310766785fe9d1b3b5e5fac717fae28bef0eee7163bfc92f0f23", kill_on_drop: false }`
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]  Documenting cash_tx_builder v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/tx_builder.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |     ///     or `None`
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/tx_builder.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |       ///     or `None`
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 65 | |     /// # Example
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "35575bd8e0e4310766785fe9d1b3b5e5fac717fae28bef0eee7163bfc92f0f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35575bd8e0e4310766785fe9d1b3b5e5fac717fae28bef0eee7163bfc92f0f23", kill_on_drop: false }`
[INFO] [stdout] 35575bd8e0e4310766785fe9d1b3b5e5fac717fae28bef0eee7163bfc92f0f23