[INFO] fetching crate descent 0.5.0...
[INFO] documenting descent-0.5.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate descent 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate descent 0.5.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate descent 0.5.0
[INFO] finished tweaking crates.io crate descent 0.5.0
[INFO] tweaked toml for crates.io crate descent 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05200b7bd60c7366517072d1f4e2e9145244db8049e3f0789f4f6a32604b8197
[INFO] running `Command { std: "docker" "start" "-a" "05200b7bd60c7366517072d1f4e2e9145244db8049e3f0789f4f6a32604b8197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05200b7bd60c7366517072d1f4e2e9145244db8049e3f0789f4f6a32604b8197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05200b7bd60c7366517072d1f4e2e9145244db8049e3f0789f4f6a32604b8197", kill_on_drop: false }`
[INFO] [stdout] 05200b7bd60c7366517072d1f4e2e9145244db8049e3f0789f4f6a32604b8197
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3a2eeac37d25c72421c7dbc291ebf211c26f4e08c5e849ea519e9a2bb799bf4
[INFO] running `Command { std: "docker" "start" "-a" "b3a2eeac37d25c72421c7dbc291ebf211c26f4e08c5e849ea519e9a2bb799bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]  Documenting descent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(test)] // enable benchmarking
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `descent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name descent src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8185d01327f1b6d6 -L dependency=/opt/rustwide/target/debug/deps --extern snafu=/opt/rustwide/target/debug/deps/libsnafu-7e2720f81077c233.rmeta --cap-lints=warn --crate-version 0.5.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b3a2eeac37d25c72421c7dbc291ebf211c26f4e08c5e849ea519e9a2bb799bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a2eeac37d25c72421c7dbc291ebf211c26f4e08c5e849ea519e9a2bb799bf4", kill_on_drop: false }`
[INFO] [stdout] b3a2eeac37d25c72421c7dbc291ebf211c26f4e08c5e849ea519e9a2bb799bf4
[INFO] documenting descent-0.5.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate descent 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate descent 0.5.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate descent 0.5.0
[INFO] finished tweaking crates.io crate descent 0.5.0
[INFO] tweaked toml for crates.io crate descent 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 181731eca722138f5cd86d48ae9d48dc7e05aac573503dc883f4bcb0ac5ead32
[INFO] running `Command { std: "docker" "start" "-a" "181731eca722138f5cd86d48ae9d48dc7e05aac573503dc883f4bcb0ac5ead32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "181731eca722138f5cd86d48ae9d48dc7e05aac573503dc883f4bcb0ac5ead32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181731eca722138f5cd86d48ae9d48dc7e05aac573503dc883f4bcb0ac5ead32", kill_on_drop: false }`
[INFO] [stdout] 181731eca722138f5cd86d48ae9d48dc7e05aac573503dc883f4bcb0ac5ead32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8553f6e1e528be9128b41b3623e7839da43b944027e98d26db4c66b77f63362
[INFO] running `Command { std: "docker" "start" "-a" "d8553f6e1e528be9128b41b3623e7839da43b944027e98d26db4c66b77f63362", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]  Documenting descent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(test)] // enable benchmarking
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `descent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name descent src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bedb088b63e7b7c3 -L dependency=/opt/rustwide/target/debug/deps --extern snafu=/opt/rustwide/target/debug/deps/libsnafu-cd2e8465154fd4da.rmeta --cap-lints=warn --crate-version 0.5.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d8553f6e1e528be9128b41b3623e7839da43b944027e98d26db4c66b77f63362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8553f6e1e528be9128b41b3623e7839da43b944027e98d26db4c66b77f63362", kill_on_drop: false }`
[INFO] [stdout] d8553f6e1e528be9128b41b3623e7839da43b944027e98d26db4c66b77f63362
