[INFO] fetching crate hv-stampede 0.2.1...
[INFO] documenting hv-stampede-0.2.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate hv-stampede 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate hv-stampede 0.2.1 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 hv-stampede 0.2.1
[INFO] finished tweaking crates.io crate hv-stampede 0.2.1
[INFO] tweaked toml for crates.io crate hv-stampede 0.2.1 written to /workspace/builds/worker-4-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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c41a6b04d3dbbe012a078d08f5683fe3222b4f77f1963f8e9ed2d9fb957774d1
[INFO] running `Command { std: "docker" "start" "-a" "c41a6b04d3dbbe012a078d08f5683fe3222b4f77f1963f8e9ed2d9fb957774d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c41a6b04d3dbbe012a078d08f5683fe3222b4f77f1963f8e9ed2d9fb957774d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41a6b04d3dbbe012a078d08f5683fe3222b4f77f1963f8e9ed2d9fb957774d1", kill_on_drop: false }`
[INFO] [stdout] c41a6b04d3dbbe012a078d08f5683fe3222b4f77f1963f8e9ed2d9fb957774d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 96c6f7c569c878f2bfdc80a57bb3b35625481ca975cce1966fa38c8145be038f
[INFO] running `Command { std: "docker" "start" "-a" "96c6f7c569c878f2bfdc80a57bb3b35625481ca975cce1966fa38c8145be038f", kill_on_drop: false }`
[INFO] [stderr]     Checking bumpalo v3.12.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bumpalo-3.12.1/src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     feature(allocator_api, nonnull_slice_from_raw_parts)
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bumpalo-3.12.1/src/lib.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     feature(allocator_api, nonnull_slice_from_raw_parts)
[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 compile `bumpalo` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "96c6f7c569c878f2bfdc80a57bb3b35625481ca975cce1966fa38c8145be038f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c6f7c569c878f2bfdc80a57bb3b35625481ca975cce1966fa38c8145be038f", kill_on_drop: false }`
[INFO] [stdout] 96c6f7c569c878f2bfdc80a57bb3b35625481ca975cce1966fa38c8145be038f
