[INFO] cloning repository https://github.com/nsclass/rust-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsclass/rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsclass%2Frust-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsclass%2Frust-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4cd790f0caf9a0208d5d01d5f682572fa62604c
[INFO] documenting nsclass/rust-calculator 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%2Fnsclass%2Frust-calculator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsclass/rust-calculator 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/nsclass/rust-calculator
[INFO] finished tweaking git repo https://github.com/nsclass/rust-calculator
[INFO] tweaked toml for git repo https://github.com/nsclass/rust-calculator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nsclass/rust-calculator 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 79a8b6b57545db397ad06f2362fe8d62c0ea04f91d1b90656437f4f5e4f4b5b2
[INFO] running `Command { std: "docker" "start" "-a" "79a8b6b57545db397ad06f2362fe8d62c0ea04f91d1b90656437f4f5e4f4b5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a8b6b57545db397ad06f2362fe8d62c0ea04f91d1b90656437f4f5e4f4b5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a8b6b57545db397ad06f2362fe8d62c0ea04f91d1b90656437f4f5e4f4b5b2", kill_on_drop: false }`
[INFO] [stdout] 79a8b6b57545db397ad06f2362fe8d62c0ea04f91d1b90656437f4f5e4f4b5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 231c215b93acd1bce3d80304ffef9d40a5a8fdb5f959d58b7a2a5699f01af07f
[INFO] running `Command { std: "docker" "start" "-a" "231c215b93acd1bce3d80304ffef9d40a5a8fdb5f959d58b7a2a5699f01af07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking calculator-engine v0.1.0 (/opt/rustwide/workdir/calculator-engine)
[INFO] [stderr]  Documenting calculator-engine v0.1.0 (/opt/rustwide/workdir/calculator-engine)
[INFO] [stdout] warning: associated function is never used: `is_operator`
[INFO] [stdout]   --> calculator-engine/src/token.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn is_operator(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting calculator-service v0.1.0 (/opt/rustwide/workdir/calculator-service)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.69s
[INFO] running `Command { std: "docker" "inspect" "231c215b93acd1bce3d80304ffef9d40a5a8fdb5f959d58b7a2a5699f01af07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231c215b93acd1bce3d80304ffef9d40a5a8fdb5f959d58b7a2a5699f01af07f", kill_on_drop: false }`
[INFO] [stdout] 231c215b93acd1bce3d80304ffef9d40a5a8fdb5f959d58b7a2a5699f01af07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b25f1aa6cacf105b832e59438af475dad1dfbf853b8711d071c26d53944b6c35
[INFO] running `Command { std: "docker" "start" "-a" "b25f1aa6cacf105b832e59438af475dad1dfbf853b8711d071c26d53944b6c35", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "b25f1aa6cacf105b832e59438af475dad1dfbf853b8711d071c26d53944b6c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25f1aa6cacf105b832e59438af475dad1dfbf853b8711d071c26d53944b6c35", kill_on_drop: false }`
[INFO] [stdout] b25f1aa6cacf105b832e59438af475dad1dfbf853b8711d071c26d53944b6c35