[INFO] cloning repository https://github.com/woodm1979/euler_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodm1979/euler_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodm1979%2Feuler_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodm1979%2Feuler_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c96ea4772bc44fc2bcfc0942849d916997a177b
[INFO] documenting woodm1979/euler_rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodm1979%2Feuler_rust" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodm1979/euler_rust 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 git repo https://github.com/woodm1979/euler_rust
[INFO] finished tweaking git repo https://github.com/woodm1979/euler_rust
[INFO] tweaked toml for git repo https://github.com/woodm1979/euler_rust written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/woodm1979/euler_rust already has a lockfile, it will not be regenerated
[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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 87700dac6c6d6ec727fc40bd27126c107f225b4fdb570cdc9544296f68f65774
[INFO] running `Command { std: "docker" "start" "-a" "87700dac6c6d6ec727fc40bd27126c107f225b4fdb570cdc9544296f68f65774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87700dac6c6d6ec727fc40bd27126c107f225b4fdb570cdc9544296f68f65774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87700dac6c6d6ec727fc40bd27126c107f225b4fdb570cdc9544296f68f65774", kill_on_drop: false }`
[INFO] [stdout] 87700dac6c6d6ec727fc40bd27126c107f225b4fdb570cdc9544296f68f65774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 81302c301fea8facc85fd08982eeb4e9a2ac269fd1cbe945ee0c49ab24d73800
[INFO] running `Command { std: "docker" "start" "-a" "81302c301fea8facc85fd08982eeb4e9a2ac269fd1cbe945ee0c49ab24d73800", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]  Documenting euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/bin/euler_001.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 6  | | //! cargo build --release && time ./target/release/euler_001
[INFO] [stdout] 7  | | //! Finished release \[optimized] target(s) in 0.00s
[INFO] [stdout] 8  | | //! Sum: 233168
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | | //! sys    0m0.001s
[INFO] [stdout] 13 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 5  | //! ```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 7.77s
[INFO] running `Command { std: "docker" "inspect" "81302c301fea8facc85fd08982eeb4e9a2ac269fd1cbe945ee0c49ab24d73800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81302c301fea8facc85fd08982eeb4e9a2ac269fd1cbe945ee0c49ab24d73800", kill_on_drop: false }`
[INFO] [stdout] 81302c301fea8facc85fd08982eeb4e9a2ac269fd1cbe945ee0c49ab24d73800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d06fc4a7c65e67503eba2cddfdc0c802fc4714f764777c37176ce2cad179458e
[INFO] running `Command { std: "docker" "start" "-a" "d06fc4a7c65e67503eba2cddfdc0c802fc4714f764777c37176ce2cad179458e", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]  Documenting euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "d06fc4a7c65e67503eba2cddfdc0c802fc4714f764777c37176ce2cad179458e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06fc4a7c65e67503eba2cddfdc0c802fc4714f764777c37176ce2cad179458e", kill_on_drop: false }`
[INFO] [stdout] d06fc4a7c65e67503eba2cddfdc0c802fc4714f764777c37176ce2cad179458e