[INFO] fetching crate forky_core 0.1.37...
[INFO] documenting forky_core-0.1.37 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate forky_core 0.1.37 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate forky_core 0.1.37 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 forky_core 0.1.37
[INFO] finished tweaking crates.io crate forky_core 0.1.37
[INFO] tweaked toml for crates.io crate forky_core 0.1.37 written to /workspace/builds/worker-4-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]     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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-builder-macro v0.18.1
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[INFO] [stderr]   Downloaded rkyv v0.7.44
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[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b772e195333f82083b87e224fc32f7308a8715f356467dac039aed54628ef8a3
[INFO] running `Command { std: "docker" "start" "-a" "b772e195333f82083b87e224fc32f7308a8715f356467dac039aed54628ef8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b772e195333f82083b87e224fc32f7308a8715f356467dac039aed54628ef8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b772e195333f82083b87e224fc32f7308a8715f356467dac039aed54628ef8a3", kill_on_drop: false }`
[INFO] [stdout] b772e195333f82083b87e224fc32f7308a8715f356467dac039aed54628ef8a3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/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] 58720b865eba4e9104c5fb4f0bdcb8d20877efb695cf7ec508ad7aed98be59d4
[INFO] running `Command { std: "docker" "start" "-a" "58720b865eba4e9104c5fb4f0bdcb8d20877efb695cf7ec508ad7aed98be59d4", kill_on_drop: false }`
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]  Documenting forky_core v0.1.37 (/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(async_closure)]
[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 `forky_core`
[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=2021 --crate-type lib --crate-name forky_core src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c57d21321d8aa96f -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d4cbb8ebf8c675b1.rmeta --extern extend=/opt/rustwide/target/debug/deps/libextend-c700161d4156a8b7.so --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-817f72bcec406d3a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-c79266bd33cd080c.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-048faece5beed0f7.rmeta --cap-lints=warn --crate-version 0.1.37` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "58720b865eba4e9104c5fb4f0bdcb8d20877efb695cf7ec508ad7aed98be59d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58720b865eba4e9104c5fb4f0bdcb8d20877efb695cf7ec508ad7aed98be59d4", kill_on_drop: false }`
[INFO] [stdout] 58720b865eba4e9104c5fb4f0bdcb8d20877efb695cf7ec508ad7aed98be59d4
[INFO] documenting forky_core-0.1.37 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate forky_core 0.1.37 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate forky_core 0.1.37 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 forky_core 0.1.37
[INFO] finished tweaking crates.io crate forky_core 0.1.37
[INFO] tweaked toml for crates.io crate forky_core 0.1.37 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 53a2dd9c579901299752badca79abd233e94796af4bfe35e47afc08264b3f0e6
[INFO] running `Command { std: "docker" "start" "-a" "53a2dd9c579901299752badca79abd233e94796af4bfe35e47afc08264b3f0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a2dd9c579901299752badca79abd233e94796af4bfe35e47afc08264b3f0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a2dd9c579901299752badca79abd233e94796af4bfe35e47afc08264b3f0e6", kill_on_drop: false }`
[INFO] [stdout] 53a2dd9c579901299752badca79abd233e94796af4bfe35e47afc08264b3f0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07b5e8e3a2089ece5e7ae7be33d52cc8bc685dca176006b7baf32c94fd6b5b71
[INFO] running `Command { std: "docker" "start" "-a" "07b5e8e3a2089ece5e7ae7be33d52cc8bc685dca176006b7baf32c94fd6b5b71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]  Documenting forky_core v0.1.37 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[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 `forky_core`
[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=2021 --crate-type lib --crate-name forky_core src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=42de5de9dc999a96 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a3466ae9a2f9d580.rmeta --extern extend=/opt/rustwide/target/debug/deps/libextend-2f30a5914d945395.so --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-c9bfa2d9b25036a5.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-eed5589739e856af.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9f5fa27866905df3.rmeta --cap-lints=warn --crate-version 0.1.37` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "07b5e8e3a2089ece5e7ae7be33d52cc8bc685dca176006b7baf32c94fd6b5b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b5e8e3a2089ece5e7ae7be33d52cc8bc685dca176006b7baf32c94fd6b5b71", kill_on_drop: false }`
[INFO] [stdout] 07b5e8e3a2089ece5e7ae7be33d52cc8bc685dca176006b7baf32c94fd6b5b71
