[INFO] fetching crate blues-notecard 0.3.0...
[INFO] documenting blues-notecard-0.3.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate blues-notecard 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate blues-notecard 0.3.0 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 blues-notecard 0.3.0
[INFO] finished tweaking crates.io crate blues-notecard 0.3.0
[INFO] tweaked toml for crates.io crate blues-notecard 0.3.0 written to /workspace/builds/worker-6-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 defmt-parser v0.3.2
[INFO] [stderr]   Downloaded defmt-macros v0.3.4
[INFO] [stderr]   Downloaded defmt v0.3.4
[INFO] [stderr]   Downloaded serde-json-core v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c9ce552c3dfc1ae3dbe325b15411970fc1d55e9f23095f54cd0665b277270694
[INFO] running `Command { std: "docker" "start" "-a" "c9ce552c3dfc1ae3dbe325b15411970fc1d55e9f23095f54cd0665b277270694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ce552c3dfc1ae3dbe325b15411970fc1d55e9f23095f54cd0665b277270694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ce552c3dfc1ae3dbe325b15411970fc1d55e9f23095f54cd0665b277270694", kill_on_drop: false }`
[INFO] [stdout] c9ce552c3dfc1ae3dbe325b15411970fc1d55e9f23095f54cd0665b277270694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ebdd3067a46d6a8ff68ef9da799c8a7985b64e62ae7f7c95242def2ea8d92240
[INFO] running `Command { std: "docker" "start" "-a" "ebdd3067a46d6a8ff68ef9da799c8a7985b64e62ae7f7c95242def2ea8d92240", kill_on_drop: false }`
[INFO] [stderr]    Compiling defmt-macros v0.3.4
[INFO] [stderr]    Compiling defmt v0.3.4
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling defmt-parser v0.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking serde-json-core v0.4.0
[INFO] [stderr]  Documenting blues-notecard v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(split_array)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(type_changing_struct_update)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `blues-notecard`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name blues_notecard src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9db6d53ecabca522 -L dependency=/opt/rustwide/target/debug/deps --extern defmt=/opt/rustwide/target/debug/deps/libdefmt-c14b441768f35192.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-4bfab9e6afa5ca10.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-9f0b0970ac89e2ba.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d8988d88210255d3.rmeta --extern serde_json_core=/opt/rustwide/target/debug/deps/libserde_json_core-1f64ac3833824b1e.rmeta --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ebdd3067a46d6a8ff68ef9da799c8a7985b64e62ae7f7c95242def2ea8d92240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdd3067a46d6a8ff68ef9da799c8a7985b64e62ae7f7c95242def2ea8d92240", kill_on_drop: false }`
[INFO] [stdout] ebdd3067a46d6a8ff68ef9da799c8a7985b64e62ae7f7c95242def2ea8d92240
