[INFO] fetching crate pinar 0.1.0...
[INFO] documenting pinar-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate pinar 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pinar 0.1.0 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 pinar 0.1.0
[INFO] finished tweaking crates.io crate pinar 0.1.0
[INFO] tweaked toml for crates.io crate pinar 0.1.0 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] a082ccd1e58da56a814fe0269f5241b497cc9f9afcbc2d3f953fbcdd1c66fedc
[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" "a082ccd1e58da56a814fe0269f5241b497cc9f9afcbc2d3f953fbcdd1c66fedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a082ccd1e58da56a814fe0269f5241b497cc9f9afcbc2d3f953fbcdd1c66fedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a082ccd1e58da56a814fe0269f5241b497cc9f9afcbc2d3f953fbcdd1c66fedc", kill_on_drop: false }`
[INFO] [stdout] a082ccd1e58da56a814fe0269f5241b497cc9f9afcbc2d3f953fbcdd1c66fedc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] a748dc70cae24b1c2d1a0c73fd9b3770195453db32cb5205d85f28a879d0101a
[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" "a748dc70cae24b1c2d1a0c73fd9b3770195453db32cb5205d85f28a879d0101a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pinar-napi-sys v0.1.0
[INFO] [stderr]    Compiling pinar-derive v0.1.0
[INFO] [stderr]  Documenting pinar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pinar`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-name pinar src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="pinar-derive"' --cfg 'feature="pinar-serde"' --cfg 'feature="serde"' --cfg 'feature="serde_derive"' --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-93a8d14db5bfdc2a.rmeta --extern pinar_derive=/opt/rustwide/target/debug/deps/libpinar_derive-3d091583d43b0f3b.so --extern napi_sys=/opt/rustwide/target/debug/deps/libpinar_napi_sys-f95dfda464e8fde5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-206cfb4b5fe90396.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3912a75c17f0c7d5.so --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a748dc70cae24b1c2d1a0c73fd9b3770195453db32cb5205d85f28a879d0101a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a748dc70cae24b1c2d1a0c73fd9b3770195453db32cb5205d85f28a879d0101a", kill_on_drop: false }`
[INFO] [stdout] a748dc70cae24b1c2d1a0c73fd9b3770195453db32cb5205d85f28a879d0101a
