[INFO] cloning repository https://github.com/arthurkeeng/rust_chaining
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthurkeeng/rust_chaining" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Frust_chaining", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Frust_chaining'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef993cc201b667ac64c31801870e39d69b3764ec
[INFO] documenting arthurkeeng/rust_chaining against beta-2025-04-20 for beta-1.87-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Frust_chaining" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arthurkeeng/rust_chaining on toolchain beta-2025-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arthurkeeng/rust_chaining
[INFO] finished tweaking git repo https://github.com/arthurkeeng/rust_chaining
[INFO] tweaked toml for git repo https://github.com/arthurkeeng/rust_chaining written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/arthurkeeng/rust_chaining 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-2025-04-20" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16557d3383acf6ebff8e9c7e728f098d71b39ba1ba8f14374bcffc089e5f1aa4
[INFO] running `Command { std: "docker" "start" "-a" "16557d3383acf6ebff8e9c7e728f098d71b39ba1ba8f14374bcffc089e5f1aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16557d3383acf6ebff8e9c7e728f098d71b39ba1ba8f14374bcffc089e5f1aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16557d3383acf6ebff8e9c7e728f098d71b39ba1ba8f14374bcffc089e5f1aa4", kill_on_drop: false }`
[INFO] [stdout] 16557d3383acf6ebff8e9c7e728f098d71b39ba1ba8f14374bcffc089e5f1aa4
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08821c0acb7a5b526fd320a3120c0a087e24a1b5407bba559793e5274fed4b14
[INFO] running `Command { std: "docker" "start" "-a" "08821c0acb7a5b526fd320a3120c0a087e24a1b5407bba559793e5274fed4b14", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]  Documenting rustblockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustblockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/block.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{write, Debug};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.63s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/blockchainlibrary/index.html and 1 other file
[INFO] running `Command { std: "docker" "inspect" "08821c0acb7a5b526fd320a3120c0a087e24a1b5407bba559793e5274fed4b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08821c0acb7a5b526fd320a3120c0a087e24a1b5407bba559793e5274fed4b14", kill_on_drop: false }`
[INFO] [stdout] 08821c0acb7a5b526fd320a3120c0a087e24a1b5407bba559793e5274fed4b14
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "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] 9eb78515a59fc9837dcb3a725d98c1cf6d0f094a72b5b1c81fd76b71f9dcb607
[INFO] running `Command { std: "docker" "start" "-a" "9eb78515a59fc9837dcb3a725d98c1cf6d0f094a72b5b1c81fd76b71f9dcb607", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking openssl v0.10.71
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]  Documenting rustblockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.64s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/blockchainlibrary/index.html
[INFO] running `Command { std: "docker" "inspect" "9eb78515a59fc9837dcb3a725d98c1cf6d0f094a72b5b1c81fd76b71f9dcb607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb78515a59fc9837dcb3a725d98c1cf6d0f094a72b5b1c81fd76b71f9dcb607", kill_on_drop: false }`
[INFO] [stdout] 9eb78515a59fc9837dcb3a725d98c1cf6d0f094a72b5b1c81fd76b71f9dcb607