[INFO] fetching crate webgl 0.1.0...
[INFO] documenting webgl-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate webgl 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate webgl 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webgl 0.1.0
[INFO] finished tweaking crates.io crate webgl 0.1.0
[INFO] tweaked toml for crates.io crate webgl 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gl v0.9.0
[INFO] [stderr]   Downloaded glenum v0.1.1
[INFO] [stderr]   Downloaded gl_generator v0.8.0
[INFO] [stderr]   Downloaded stdweb v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c12049029d3eea09944977e17afbcdbb9fd9421e9677ab11471f54a82cc39713
[INFO] running `Command { std: "docker" "start" "-a" "c12049029d3eea09944977e17afbcdbb9fd9421e9677ab11471f54a82cc39713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c12049029d3eea09944977e17afbcdbb9fd9421e9677ab11471f54a82cc39713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12049029d3eea09944977e17afbcdbb9fd9421e9677ab11471f54a82cc39713", kill_on_drop: false }`
[INFO] [stdout] c12049029d3eea09944977e17afbcdbb9fd9421e9677ab11471f54a82cc39713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73e16aad108738bd4915780df973cfae4cc787d364e0c2e50cbf125c4f3deb66
[INFO] running `Command { std: "docker" "start" "-a" "73e16aad108738bd4915780df973cfae4cc787d364e0c2e50cbf125c4f3deb66", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling gl v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking glenum v0.1.1
[INFO] [stderr]  Documenting webgl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `nll` has been stable since `1.63.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `webgl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name webgl src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4c8a714ee9e39863 -L dependency=/opt/rustwide/target/debug/deps --extern gl=/opt/rustwide/target/debug/deps/libgl-e7917e4d14b0c58d.rmeta --extern glenum=/opt/rustwide/target/debug/deps/libglenum-ab0c698d2b7917c9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b6956e1a4b2bd63a.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-1e3f81b92e3ccf1e.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-60e137dca47e7fe3.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "73e16aad108738bd4915780df973cfae4cc787d364e0c2e50cbf125c4f3deb66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e16aad108738bd4915780df973cfae4cc787d364e0c2e50cbf125c4f3deb66", kill_on_drop: false }`
[INFO] [stdout] 73e16aad108738bd4915780df973cfae4cc787d364e0c2e50cbf125c4f3deb66
