[INFO] fetching crate risc0-zkvm 0.15.2...
[INFO] documenting risc0-zkvm-0.15.2 against beta-2023-05-30 for beta-1.71-rustdoc-1
[INFO] extracting crate risc0-zkvm 0.15.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate risc0-zkvm 0.15.2 on toolchain beta-2023-05-30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-05-30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate risc0-zkvm 0.15.2
[INFO] finished tweaking crates.io crate risc0-zkvm 0.15.2
[INFO] tweaked toml for crates.io crate risc0-zkvm 0.15.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate risc0-zkvm 0.15.2 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" "+beta-2023-05-30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-05-30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41fe4808dfd4d12edc977524342ebc12c8fb38fb9aa586cf6a1948b3abcd8956
[INFO] running `Command { std: "docker" "start" "-a" "41fe4808dfd4d12edc977524342ebc12c8fb38fb9aa586cf6a1948b3abcd8956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41fe4808dfd4d12edc977524342ebc12c8fb38fb9aa586cf6a1948b3abcd8956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41fe4808dfd4d12edc977524342ebc12c8fb38fb9aa586cf6a1948b3abcd8956", kill_on_drop: false }`
[INFO] [stdout] 41fe4808dfd4d12edc977524342ebc12c8fb38fb9aa586cf6a1948b3abcd8956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-05-30" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d642a4cc73dbe37ff0754bb5031a91f50a7c50e3f9360322dc2ea32740c1714f
[INFO] running `Command { std: "docker" "start" "-a" "d642a4cc73dbe37ff0754bb5031a91f50a7c50e3f9360322dc2ea32740c1714f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stderr]    Compiling linux-raw-sys v0.3.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling erased-serde v0.3.25
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling risc0-zkp v0.15.2
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking rayon-core v1.10.2
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling risc0-circuit-rv32im v0.15.2
[INFO] [stderr]     Checking risc0-zkvm-platform v0.15.2
[INFO] [stderr]    Compiling risc0-zkvm v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking crypto-bigint v0.5.2
[INFO] [stderr]     Checking rrs-lib v0.1.0
[INFO] [stderr]     Checking elf v0.7.1
[INFO] [stderr]    Compiling dirs-sys v0.4.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling directories v5.0.0
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling risc0-build-kernel v0.15.2
[INFO] [stderr]    Compiling risc0-sys v0.15.2
[INFO] [stderr]    Compiling risc0-circuit-rv32im-sys v0.15.2
[INFO] [stderr]    Compiling ghost v0.1.9
[INFO] [stderr]    Compiling ctor v0.2.0
[INFO] [stderr]    Compiling typetag-impl v0.2.8
[INFO] [stderr]     Checking inventory v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling bytemuck_derive v1.4.0
[INFO] [stderr]    Compiling ff_derive v0.13.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.4.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking lazy-regex v2.4.1
[INFO] [stderr]     Checking bytemuck v1.13.0
[INFO] [stderr]     Checking risc0-core v0.15.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking typetag v0.2.8
[INFO] [stderr]  Documenting risc0-zkvm v0.15.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/exec/env.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     /// ```
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 226 |     /// ```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 26.56s
[INFO] running `Command { std: "docker" "inspect" "d642a4cc73dbe37ff0754bb5031a91f50a7c50e3f9360322dc2ea32740c1714f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d642a4cc73dbe37ff0754bb5031a91f50a7c50e3f9360322dc2ea32740c1714f", kill_on_drop: false }`
[INFO] [stdout] d642a4cc73dbe37ff0754bb5031a91f50a7c50e3f9360322dc2ea32740c1714f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-05-30" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f9bdd82c65223d33af117a4aedfb57437f6045621baee97a4c5e6e5509617f7
[INFO] running `Command { std: "docker" "start" "-a" "4f9bdd82c65223d33af117a4aedfb57437f6045621baee97a4c5e6e5509617f7", kill_on_drop: false }`
[INFO] [stderr]  Documenting risc0-zkvm v0.15.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/exec/env.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     /// ```
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 226 |     /// ```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 1.23s
[INFO] running `Command { std: "docker" "inspect" "4f9bdd82c65223d33af117a4aedfb57437f6045621baee97a4c5e6e5509617f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9bdd82c65223d33af117a4aedfb57437f6045621baee97a4c5e6e5509617f7", kill_on_drop: false }`
[INFO] [stdout] 4f9bdd82c65223d33af117a4aedfb57437f6045621baee97a4c5e6e5509617f7