[INFO] fetching crate scicrypt-traits 0.7.1...
[INFO] documenting scicrypt-traits-0.7.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate scicrypt-traits 0.7.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate scicrypt-traits 0.7.1 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 scicrypt-traits 0.7.1
[INFO] finished tweaking crates.io crate scicrypt-traits 0.7.1
[INFO] tweaked toml for crates.io crate scicrypt-traits 0.7.1 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] 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] d8b4475e9c55bfeda28ff7c47a8b0c30e8d22a4bb13f774d96793fb133e0f1d9
[INFO] running `Command { std: "docker" "start" "-a" "d8b4475e9c55bfeda28ff7c47a8b0c30e8d22a4bb13f774d96793fb133e0f1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b4475e9c55bfeda28ff7c47a8b0c30e8d22a4bb13f774d96793fb133e0f1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b4475e9c55bfeda28ff7c47a8b0c30e8d22a4bb13f774d96793fb133e0f1d9", kill_on_drop: false }`
[INFO] [stdout] d8b4475e9c55bfeda28ff7c47a8b0c30e8d22a4bb13f774d96793fb133e0f1d9
[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] 486cc67cfda61cf26a4360f82c814217318e041954cd820d9f34994b8a5f17c0
[INFO] running `Command { std: "docker" "start" "-a" "486cc67cfda61cf26a4360f82c814217318e041954cd820d9f34994b8a5f17c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.5.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.19.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]  Documenting scicrypt-traits v0.7.1 (/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(trait_alias)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(auto_traits, negative_impls)]
[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 `scicrypt-traits`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name scicrypt_traits src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=edb0cccacdff9c79 -L dependency=/opt/rustwide/target/debug/deps --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-1b8d6b1784b06c1f.rmeta --extern rug=/opt/rustwide/target/debug/deps/librug-d2fb770c1c0068da.rmeta --cap-lints=warn --crate-version 0.7.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "486cc67cfda61cf26a4360f82c814217318e041954cd820d9f34994b8a5f17c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486cc67cfda61cf26a4360f82c814217318e041954cd820d9f34994b8a5f17c0", kill_on_drop: false }`
[INFO] [stdout] 486cc67cfda61cf26a4360f82c814217318e041954cd820d9f34994b8a5f17c0
