[INFO] updating cached repository https://github.com/kentfredric/grease
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56f6e1b303719b08166b18b40d7cfea4fe2e5c4f
[INFO] documenting kentfredric/grease against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkentfredric%2Fgrease" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kentfredric/grease on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kentfredric/grease
[INFO] finished tweaking git repo https://github.com/kentfredric/grease
[INFO] tweaked toml for git repo https://github.com/kentfredric/grease written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kentfredric/grease already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0a2ab72d7edae571e4b1e7caed61bd44f738367fd6ca00550d91285c170b2b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0a2ab72d7edae571e4b1e7caed61bd44f738367fd6ca00550d91285c170b2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a2ab72d7edae571e4b1e7caed61bd44f738367fd6ca00550d91285c170b2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a2ab72d7edae571e4b1e7caed61bd44f738367fd6ca00550d91285c170b2b3", kill_on_drop: false }`
[INFO] [stdout] f0a2ab72d7edae571e4b1e7caed61bd44f738367fd6ca00550d91285c170b2b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c58b686f2d0cf481d762f9e23c9697a8b44651d41ee77ebd3f6e578c30e3cc7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c58b686f2d0cf481d762f9e23c9697a8b44651d41ee77ebd3f6e578c30e3cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.57
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting grease v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/repository/repository/struct.Category.md: No such file or directory (os error 2)
[INFO] [stdout]   --> src/repository/category.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     doc(include = "repository/struct.Category.md")
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ couldn't read file
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/repository/repository/struct.CategoryFileIterator.md: No such file or directory (os error 2)
[INFO] [stdout]   --> src/repository/category.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     doc(include = "repository/struct.CategoryFileIterator.md")
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ couldn't read file
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/repository/repository/struct.CategoryDirsIterator.md: No such file or directory (os error 2)
[INFO] [stdout]    --> src/repository/category.rs:355:19
[INFO] [stdout]     |
[INFO] [stdout] 355 |     doc(include = "repository/struct.CategoryDirsIterator.md")
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ couldn't read file
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/repository/repository/struct.Ebuild.md: No such file or directory (os error 2)
[INFO] [stdout]  --> src/repository/ebuild.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     doc(include = "repository/struct.Ebuild.md")
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ couldn't read file
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/repository/repository/struct.Package.md: No such file or directory (os error 2)
[INFO] [stdout]  --> src/repository/package.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     doc(include = "repository/struct.Package.md")
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ couldn't read file
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `grease`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name grease src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="external_doc"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-8355de73190e5b72.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1b72fcfe9b43cd3c.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5c58b686f2d0cf481d762f9e23c9697a8b44651d41ee77ebd3f6e578c30e3cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c58b686f2d0cf481d762f9e23c9697a8b44651d41ee77ebd3f6e578c30e3cc7", kill_on_drop: false }`
[INFO] [stdout] 5c58b686f2d0cf481d762f9e23c9697a8b44651d41ee77ebd3f6e578c30e3cc7