[INFO] fetching crate enve 0.4.0...
[INFO] documenting enve-0.4.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate enve 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate enve 0.4.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enve 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate enve 0.4.0
[INFO] tweaked toml for crates.io crate enve 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate enve 0.4.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded estring v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1166b4bb113ffb217812d61f06a19df5ad6a1723d37236ed645ecba92e326d1b
[INFO] running `Command { std: "docker" "start" "-a" "1166b4bb113ffb217812d61f06a19df5ad6a1723d37236ed645ecba92e326d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1166b4bb113ffb217812d61f06a19df5ad6a1723d37236ed645ecba92e326d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1166b4bb113ffb217812d61f06a19df5ad6a1723d37236ed645ecba92e326d1b", kill_on_drop: false }`
[INFO] [stdout] 1166b4bb113ffb217812d61f06a19df5ad6a1723d37236ed645ecba92e326d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a52ab6d6e792961d339e53fb2228560027c9b6ca6b0ee2a401c0ce874f8f612
[INFO] running `Command { std: "docker" "start" "-a" "3a52ab6d6e792961d339e53fb2228560027c9b6ca6b0ee2a401c0ce874f8f612", kill_on_drop: false }`
[INFO] [stderr]     Checking estring v0.3.0
[INFO] [stderr]  Documenting enve v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `var_os`
[INFO] [stdout]   --> src/core.rs:16:65
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// not valid Unicode. If this is not desired, consider using [`var_os`].
[INFO] [stdout]    |                                                                 ^^^^^^ no item named `var_os` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `var_os`
[INFO] [stdout]   --> src/core.rs:53:65
[INFO] [stdout]    |
[INFO] [stdout] 53 | /// not valid Unicode. If this is not desired, consider using [`var_os`].
[INFO] [stdout]    |                                                                 ^^^^^^ no item named `var_os` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `var_os`
[INFO] [stdout]   --> src/core.rs:83:65
[INFO] [stdout]    |
[INFO] [stdout] 83 | /// not valid Unicode. If this is not desired, consider using [`var_os`].
[INFO] [stdout]    |                                                                 ^^^^^^ no item named `var_os` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "3a52ab6d6e792961d339e53fb2228560027c9b6ca6b0ee2a401c0ce874f8f612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a52ab6d6e792961d339e53fb2228560027c9b6ca6b0ee2a401c0ce874f8f612", kill_on_drop: false }`
[INFO] [stdout] 3a52ab6d6e792961d339e53fb2228560027c9b6ca6b0ee2a401c0ce874f8f612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1615b7f70ff83b0ac54d6c1d1e423ff1cabb0340da59b23f177e2a3e53e5b823
[INFO] running `Command { std: "docker" "start" "-a" "1615b7f70ff83b0ac54d6c1d1e423ff1cabb0340da59b23f177e2a3e53e5b823", kill_on_drop: false }`
[INFO] [stderr]     Checking estring v0.3.0
[INFO] [stderr]  Documenting enve v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `var_os`
[INFO] [stdout]   --> src/core.rs:16:65
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// not valid Unicode. If this is not desired, consider using [`var_os`].
[INFO] [stdout]    |                                                                 ^^^^^^ no item named `var_os` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `var_os`
[INFO] [stdout]   --> src/core.rs:53:65
[INFO] [stdout]    |
[INFO] [stdout] 53 | /// not valid Unicode. If this is not desired, consider using [`var_os`].
[INFO] [stdout]    |                                                                 ^^^^^^ no item named `var_os` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `var_os`
[INFO] [stdout]   --> src/core.rs:83:65
[INFO] [stdout]    |
[INFO] [stdout] 83 | /// not valid Unicode. If this is not desired, consider using [`var_os`].
[INFO] [stdout]    |                                                                 ^^^^^^ no item named `var_os` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "1615b7f70ff83b0ac54d6c1d1e423ff1cabb0340da59b23f177e2a3e53e5b823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1615b7f70ff83b0ac54d6c1d1e423ff1cabb0340da59b23f177e2a3e53e5b823", kill_on_drop: false }`
[INFO] [stdout] 1615b7f70ff83b0ac54d6c1d1e423ff1cabb0340da59b23f177e2a3e53e5b823
