[INFO] cloning repository https://github.com/grtlr/type-duplicate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grtlr/type-duplicate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrtlr%2Ftype-duplicate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrtlr%2Ftype-duplicate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 607f9d451852c4a21961300ae9fd9a46ff160db2
[INFO] documenting grtlr/type-duplicate 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%2Fgrtlr%2Ftype-duplicate" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grtlr/type-duplicate 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/grtlr/type-duplicate
[INFO] finished tweaking git repo https://github.com/grtlr/type-duplicate
[INFO] tweaked toml for git repo https://github.com/grtlr/type-duplicate written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/grtlr/type-duplicate 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] f82643e57210ee0d2386ec3b4fcc8abf416be7192fed8c6153a3246fe86ac88d
[INFO] running `Command { std: "docker" "start" "-a" "f82643e57210ee0d2386ec3b4fcc8abf416be7192fed8c6153a3246fe86ac88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82643e57210ee0d2386ec3b4fcc8abf416be7192fed8c6153a3246fe86ac88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82643e57210ee0d2386ec3b4fcc8abf416be7192fed8c6153a3246fe86ac88d", kill_on_drop: false }`
[INFO] [stdout] f82643e57210ee0d2386ec3b4fcc8abf416be7192fed8c6153a3246fe86ac88d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] bb3f28bf7dd9f65188ba4ec20812792021f7aba7915c898b25e7ff7d16ee510b
[INFO] running `Command { std: "docker" "start" "-a" "bb3f28bf7dd9f65188ba4ec20812792021f7aba7915c898b25e7ff7d16ee510b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting type-duplicate-derive v0.1.0 (/opt/rustwide/workdir/type-duplicate-derive)
[INFO] [stderr]    Compiling type-duplicate-derive v0.1.0 (/opt/rustwide/workdir/type-duplicate-derive)
[INFO] [stdout] warning: function is never used: `fields`
[INFO] [stdout]   --> type-duplicate-derive/src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn fields(data: &Data) -> TokenStream {
[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 type-duplicate v0.1.0 (/opt/rustwide/workdir/type-duplicate)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.46s
[INFO] running `Command { std: "docker" "inspect" "bb3f28bf7dd9f65188ba4ec20812792021f7aba7915c898b25e7ff7d16ee510b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3f28bf7dd9f65188ba4ec20812792021f7aba7915c898b25e7ff7d16ee510b", kill_on_drop: false }`
[INFO] [stdout] bb3f28bf7dd9f65188ba4ec20812792021f7aba7915c898b25e7ff7d16ee510b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 87bbc5c8e2139be8d9644dce6ac2930eb1f8477e69750c7e4b5250d6bc92328a
[INFO] running `Command { std: "docker" "start" "-a" "87bbc5c8e2139be8d9644dce6ac2930eb1f8477e69750c7e4b5250d6bc92328a", 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" "87bbc5c8e2139be8d9644dce6ac2930eb1f8477e69750c7e4b5250d6bc92328a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87bbc5c8e2139be8d9644dce6ac2930eb1f8477e69750c7e4b5250d6bc92328a", kill_on_drop: false }`
[INFO] [stdout] 87bbc5c8e2139be8d9644dce6ac2930eb1f8477e69750c7e4b5250d6bc92328a