[INFO] fetching crate lazy_concat 0.1.3...
[INFO] documenting lazy_concat-0.1.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate lazy_concat 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lazy_concat 0.1.3 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 crates.io crate lazy_concat 0.1.3
[INFO] finished tweaking crates.io crate lazy_concat 0.1.3
[INFO] tweaked toml for crates.io crate lazy_concat 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b88cb6fd2881ba0001e33efdf04b274c51054acbf2ad14b59649bebd1275741b
[INFO] running `Command { std: "docker" "start" "-a" "b88cb6fd2881ba0001e33efdf04b274c51054acbf2ad14b59649bebd1275741b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b88cb6fd2881ba0001e33efdf04b274c51054acbf2ad14b59649bebd1275741b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88cb6fd2881ba0001e33efdf04b274c51054acbf2ad14b59649bebd1275741b", kill_on_drop: false }`
[INFO] [stdout] b88cb6fd2881ba0001e33efdf04b274c51054acbf2ad14b59649bebd1275741b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e2e53a7ad60d3dbea51548ab3f3b20948d11697b3bc8bfb27fb0eafcecd07b40
[INFO] running `Command { std: "docker" "start" "-a" "e2e53a7ad60d3dbea51548ab3f3b20948d11697b3bc8bfb27fb0eafcecd07b40", kill_on_drop: false }`
[INFO] [stderr]  Documenting lazy_concat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `concat` is both a module and a macro
[INFO] [stdout]    --> src/lib.rs:225:31
[INFO] [stdout]     |
[INFO] [stdout] 225 |     /// This is the same as [`concat`] except that it consumes and returns self, allowing for 
[INFO] [stdout]     |                               ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 225 |     /// This is the same as [`mod@concat`] except that it consumes and returns self, allowing for 
[INFO] [stdout]     |                               ++++
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]     |
[INFO] [stdout] 225 |     /// This is the same as [`concat!`] except that it consumes and returns self, allowing for 
[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 0.91s
[INFO] running `Command { std: "docker" "inspect" "e2e53a7ad60d3dbea51548ab3f3b20948d11697b3bc8bfb27fb0eafcecd07b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e53a7ad60d3dbea51548ab3f3b20948d11697b3bc8bfb27fb0eafcecd07b40", kill_on_drop: false }`
[INFO] [stdout] e2e53a7ad60d3dbea51548ab3f3b20948d11697b3bc8bfb27fb0eafcecd07b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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: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] 707184cc2143126a5ffe056b6916cd44e83280c55e177ce3ee934a26a01fc93d
[INFO] running `Command { std: "docker" "start" "-a" "707184cc2143126a5ffe056b6916cd44e83280c55e177ce3ee934a26a01fc93d", kill_on_drop: false }`
[INFO] [stderr]  Documenting lazy_concat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `concat` is both a module and a macro
[INFO] [stdout]    --> src/lib.rs:225:31
[INFO] [stdout]     |
[INFO] [stdout] 225 |     /// This is the same as [`concat`] except that it consumes and returns self, allowing for 
[INFO] [stdout]     |                               ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 225 |     /// This is the same as [`mod@concat`] except that it consumes and returns self, allowing for 
[INFO] [stdout]     |                               ++++
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]     |
[INFO] [stdout] 225 |     /// This is the same as [`concat!`] except that it consumes and returns self, allowing for 
[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 0.74s
[INFO] running `Command { std: "docker" "inspect" "707184cc2143126a5ffe056b6916cd44e83280c55e177ce3ee934a26a01fc93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707184cc2143126a5ffe056b6916cd44e83280c55e177ce3ee934a26a01fc93d", kill_on_drop: false }`
[INFO] [stdout] 707184cc2143126a5ffe056b6916cd44e83280c55e177ce3ee934a26a01fc93d