[INFO] crate easy_process 0.2.0 is already in cache
[INFO] documenting easy_process-0.2.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate easy_process 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate easy_process 0.2.0 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 crates.io crate easy_process 0.2.0
[INFO] finished tweaking crates.io crate easy_process 0.2.0
[INFO] tweaked toml for crates.io crate easy_process 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 496338bc749082afe43f2b048d1d64dbf4596cfa1121a5b3cf804714906b0664
[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" "496338bc749082afe43f2b048d1d64dbf4596cfa1121a5b3cf804714906b0664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "496338bc749082afe43f2b048d1d64dbf4596cfa1121a5b3cf804714906b0664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496338bc749082afe43f2b048d1d64dbf4596cfa1121a5b3cf804714906b0664", kill_on_drop: false }`
[INFO] [stdout] 496338bc749082afe43f2b048d1d64dbf4596cfa1121a5b3cf804714906b0664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4ac1cb66d2d578fbe979c63ae3931f95fa5e143575bd9d03f91b7d0b25179eae
[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" "4ac1cb66d2d578fbe979c63ae3931f95fa5e143575bd9d03f91b7d0b25179eae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling checked_command v0.2.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking cmdline_words_parser v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]  Documenting easy_process v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `Error` is both an enum and a derive macro
[INFO] [stdout]    --> src/lib.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 | /// [easy_process::Error](Error) itself can also be used.
[INFO] [stdout]     |                           ^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:15:5
[INFO] [stdout]     |
[INFO] [stdout] 15  |     warnings
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(intra_doc_link_resolution_failure)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: to link to the enum, prefix with the item type
[INFO] [stdout]     |
[INFO] [stdout] 127 | /// [easy_process::Error](enum@Error) itself can also be used.
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] help: to link to the derive macro, prefix with the item type
[INFO] [stdout]     |
[INFO] [stdout] 127 | /// [easy_process::Error](derive@Error) itself can also be used.
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `easy_process`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name easy_process src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern checked_command=/opt/rustwide/target/debug/deps/libchecked_command-535a19fce21bc4d1.rmeta --extern cmdline_words_parser=/opt/rustwide/target/debug/deps/libcmdline_words_parser-3b5d0b5543698326.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-68a026d27f4369fe.so --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "4ac1cb66d2d578fbe979c63ae3931f95fa5e143575bd9d03f91b7d0b25179eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac1cb66d2d578fbe979c63ae3931f95fa5e143575bd9d03f91b7d0b25179eae", kill_on_drop: false }`
[INFO] [stdout] 4ac1cb66d2d578fbe979c63ae3931f95fa5e143575bd9d03f91b7d0b25179eae