[INFO] fetching crate loosen_map 0.1.1...
[INFO] documenting loosen_map-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate loosen_map 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate loosen_map 0.1.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loosen_map 0.1.1
[INFO] finished tweaking crates.io crate loosen_map 0.1.1
[INFO] tweaked toml for crates.io crate loosen_map 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loosen v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 732f3ddcc265dcb907d6826c6fa9e7f59fcfd31c5210b05d95d68f26a59fc6d7
[INFO] running `Command { std: "docker" "start" "-a" "732f3ddcc265dcb907d6826c6fa9e7f59fcfd31c5210b05d95d68f26a59fc6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "732f3ddcc265dcb907d6826c6fa9e7f59fcfd31c5210b05d95d68f26a59fc6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732f3ddcc265dcb907d6826c6fa9e7f59fcfd31c5210b05d95d68f26a59fc6d7", kill_on_drop: false }`
[INFO] [stdout] 732f3ddcc265dcb907d6826c6fa9e7f59fcfd31c5210b05d95d68f26a59fc6d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7426a68b845be503bbda36ef860b0ca98a7628fbcb60d95b77a15abaddbd10a
[INFO] running `Command { std: "docker" "start" "-a" "b7426a68b845be503bbda36ef860b0ca98a7628fbcb60d95b77a15abaddbd10a", kill_on_drop: false }`
[INFO] [stderr]  Documenting loosen_map v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(external_doc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `loosen_map`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name loosen_map src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=be3ab1c3754f4af0 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b7426a68b845be503bbda36ef860b0ca98a7628fbcb60d95b77a15abaddbd10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7426a68b845be503bbda36ef860b0ca98a7628fbcb60d95b77a15abaddbd10a", kill_on_drop: false }`
[INFO] [stdout] b7426a68b845be503bbda36ef860b0ca98a7628fbcb60d95b77a15abaddbd10a