[INFO] cloning repository https://github.com/C1710/cargo-include-licenses
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/C1710/cargo-include-licenses" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC1710%2Fcargo-include-licenses", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC1710%2Fcargo-include-licenses'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43fb69c484371ec9d293e83f688806a50fc1c9e6
[INFO] documenting C1710/cargo-include-licenses against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC1710%2Fcargo-include-licenses" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/C1710/cargo-include-licenses 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 git repo https://github.com/C1710/cargo-include-licenses
[INFO] finished tweaking git repo https://github.com/C1710/cargo-include-licenses
[INFO] tweaked toml for git repo https://github.com/C1710/cargo-include-licenses written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/C1710/cargo-include-licenses already has a lockfile, it will not be regenerated
[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 copy_dir v0.1.2
[INFO] [stderr]   Downloaded camino v1.0.4
[INFO] [stderr]   Downloaded cargo_metadata v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44dc8698bf9cb8f82c13acaf7e4c129dfbffca97c01ca39b90f1fd4db847261d
[INFO] running `Command { std: "docker" "start" "-a" "44dc8698bf9cb8f82c13acaf7e4c129dfbffca97c01ca39b90f1fd4db847261d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44dc8698bf9cb8f82c13acaf7e4c129dfbffca97c01ca39b90f1fd4db847261d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44dc8698bf9cb8f82c13acaf7e4c129dfbffca97c01ca39b90f1fd4db847261d", kill_on_drop: false }`
[INFO] [stdout] 44dc8698bf9cb8f82c13acaf7e4c129dfbffca97c01ca39b90f1fd4db847261d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50269550cb1cea1546f4d13eb3fbb1017e21e01b5cb5fd7219260b2a58a01b77
[INFO] running `Command { std: "docker" "start" "-a" "50269550cb1cea1546f4d13eb3fbb1017e21e01b5cb5fd7219260b2a58a01b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking copy_dir v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking cargo_metadata v0.13.1
[INFO] [stderr]  Documenting cargo-include-licenses v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![feature(once_cell)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `core::Option::None`
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | /// - [`core::Option::None`] if the file could not be opened
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ no item named `Option` in module `core`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `core::Option::Some`
[INFO] [stdout]   --> src/lib.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 | /// - [`core::Option::Some`] else
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ no item named `Option` in module `core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cargo-include-licenses`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name cargo_include_licenses src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=24db14c097b77d1b -L dependency=/opt/rustwide/target/debug/deps --extern cargo_metadata=/opt/rustwide/target/debug/deps/libcargo_metadata-bda680dc5c59701e.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-b729f1c0f0c65c73.rmeta --extern copy_dir=/opt/rustwide/target/debug/deps/libcopy_dir-39b428a9fb73c169.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f583fade8d015eab.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-aa60abb9fe6cfa5b.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "50269550cb1cea1546f4d13eb3fbb1017e21e01b5cb5fd7219260b2a58a01b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50269550cb1cea1546f4d13eb3fbb1017e21e01b5cb5fd7219260b2a58a01b77", kill_on_drop: false }`
[INFO] [stdout] 50269550cb1cea1546f4d13eb3fbb1017e21e01b5cb5fd7219260b2a58a01b77