[INFO] fetching crate multiproof-rs 0.1.9...
[INFO] documenting multiproof-rs-0.1.9 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate multiproof-rs 0.1.9 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate multiproof-rs 0.1.9 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 multiproof-rs 0.1.9
[INFO] finished tweaking crates.io crate multiproof-rs 0.1.9
[INFO] tweaked toml for crates.io crate multiproof-rs 0.1.9 written to /workspace/builds/worker-2-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 serde_cbor v0.10.2
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2dc6600f2c1e2c967fde20f925ea8b3300ceca4921e7ff311058aeeeaea3621e
[INFO] running `Command { std: "docker" "start" "-a" "2dc6600f2c1e2c967fde20f925ea8b3300ceca4921e7ff311058aeeeaea3621e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc6600f2c1e2c967fde20f925ea8b3300ceca4921e7ff311058aeeeaea3621e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc6600f2c1e2c967fde20f925ea8b3300ceca4921e7ff311058aeeeaea3621e", kill_on_drop: false }`
[INFO] [stdout] 2dc6600f2c1e2c967fde20f925ea8b3300ceca4921e7ff311058aeeeaea3621e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1ec1a822cd7456a26dcd90b0a7790c54e581f4d0e4312a684dd25c6864db2bfc
[INFO] running `Command { std: "docker" "start" "-a" "1ec1a822cd7456a26dcd90b0a7790c54e581f4d0e4312a684dd25c6864db2bfc", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]  Documenting multiproof-rs v0.1.9 (/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(box_syntax, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `multiproof-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name multiproof_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9f6701d6ddbd7576 -L dependency=/opt/rustwide/target/debug/deps --extern hex=/opt/rustwide/target/debug/deps/libhex-7658a505e7fe0549.rmeta --extern rlp=/opt/rustwide/target/debug/deps/librlp-e0743ba83149a315.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7f5aa0c9c57e86c5.rmeta --extern serde_cbor=/opt/rustwide/target/debug/deps/libserde_cbor-15e3b3fce639f616.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9f766820a7671020.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-8e26b800495bb43b.rmeta --cap-lints=warn --crate-version 0.1.9` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1ec1a822cd7456a26dcd90b0a7790c54e581f4d0e4312a684dd25c6864db2bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec1a822cd7456a26dcd90b0a7790c54e581f4d0e4312a684dd25c6864db2bfc", kill_on_drop: false }`
[INFO] [stdout] 1ec1a822cd7456a26dcd90b0a7790c54e581f4d0e4312a684dd25c6864db2bfc
