[INFO] fetching crate rand-facade 0.2.0...
[INFO] documenting rand-facade-0.2.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate rand-facade 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rand-facade 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand-facade 0.2.0
[INFO] finished tweaking crates.io crate rand-facade 0.2.0
[INFO] tweaked toml for crates.io crate rand-facade 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c64a9e4485fd082024799ea8bb2f45c9ea0ddc940b60a81c5f63a34402eb8e61
[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" "c64a9e4485fd082024799ea8bb2f45c9ea0ddc940b60a81c5f63a34402eb8e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c64a9e4485fd082024799ea8bb2f45c9ea0ddc940b60a81c5f63a34402eb8e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64a9e4485fd082024799ea8bb2f45c9ea0ddc940b60a81c5f63a34402eb8e61", kill_on_drop: false }`
[INFO] [stdout] c64a9e4485fd082024799ea8bb2f45c9ea0ddc940b60a81c5f63a34402eb8e61
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 6d87be779e5dbb3d710e1fbc2cc41626202f095aa3c9931f8ff2d3b7720ea54c
[INFO] running `Command { std: "docker" "start" "-a" "6d87be779e5dbb3d710e1fbc2cc41626202f095aa3c9931f8ff2d3b7720ea54c", kill_on_drop: false }`
[INFO] [stderr]  Documenting rand-facade v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: One of 'os_rng', 'std', 'cortex_m' features must be enabled
[INFO] [stdout]   --> src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | compile_error!("One of 'os_rng', 'std', 'cortex_m' features must be enabled");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mutex` in this scope
[INFO] [stdout]   --> src/lib.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |     static ref GLOBAL_RNG: Mutex<RefCell<Option<&'static mut (dyn Rng + Sync + Send)>>> = Mutex::new(RefCell::new(None));
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rand-facade`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rand_facade src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-36b8d3ab8b15565a.rmeta --cap-lints=warn --crate-version 0.2.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6d87be779e5dbb3d710e1fbc2cc41626202f095aa3c9931f8ff2d3b7720ea54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d87be779e5dbb3d710e1fbc2cc41626202f095aa3c9931f8ff2d3b7720ea54c", kill_on_drop: false }`
[INFO] [stdout] 6d87be779e5dbb3d710e1fbc2cc41626202f095aa3c9931f8ff2d3b7720ea54c
