[INFO] fetching crate copper 0.1.0...
[INFO] documenting copper-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate copper 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate copper 0.1.0 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 copper 0.1.0
[INFO] finished tweaking crates.io crate copper 0.1.0
[INFO] tweaked toml for crates.io crate copper 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate copper 0.1.0 already has a lockfile, it will not be regenerated
[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-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] 92a42d2c07b9a1c2b86ca08dc8a4c69637da4aadb2359b8dd82b9e621a0df38d
[INFO] running `Command { std: "docker" "start" "-a" "92a42d2c07b9a1c2b86ca08dc8a4c69637da4aadb2359b8dd82b9e621a0df38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92a42d2c07b9a1c2b86ca08dc8a4c69637da4aadb2359b8dd82b9e621a0df38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a42d2c07b9a1c2b86ca08dc8a4c69637da4aadb2359b8dd82b9e621a0df38d", kill_on_drop: false }`
[INFO] [stdout] 92a42d2c07b9a1c2b86ca08dc8a4c69637da4aadb2359b8dd82b9e621a0df38d
[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] 041e8498db04df52cbab585b4ba7c6ebb76346f7c7e5eba667282c43768447a9
[INFO] running `Command { std: "docker" "start" "-a" "041e8498db04df52cbab585b4ba7c6ebb76346f7c7e5eba667282c43768447a9", kill_on_drop: false }`
[INFO] [stderr] error: package `copper v0.1.0 (/opt/rustwide/workdir)` cannot be built because it requires rustc 1.77 or newer, while the currently active rustc version is 1.76.0
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "041e8498db04df52cbab585b4ba7c6ebb76346f7c7e5eba667282c43768447a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041e8498db04df52cbab585b4ba7c6ebb76346f7c7e5eba667282c43768447a9", kill_on_drop: false }`
[INFO] [stdout] 041e8498db04df52cbab585b4ba7c6ebb76346f7c7e5eba667282c43768447a9
[INFO] documenting copper-0.1.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate copper 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate copper 0.1.0 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 copper 0.1.0
[INFO] finished tweaking crates.io crate copper 0.1.0
[INFO] tweaked toml for crates.io crate copper 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate copper 0.1.0 already has a lockfile, it will not be regenerated
[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] 5f1a583f8328a038f99563b29ef42f60997b5166062b6ace6c25109221327785
[INFO] running `Command { std: "docker" "start" "-a" "5f1a583f8328a038f99563b29ef42f60997b5166062b6ace6c25109221327785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f1a583f8328a038f99563b29ef42f60997b5166062b6ace6c25109221327785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1a583f8328a038f99563b29ef42f60997b5166062b6ace6c25109221327785", kill_on_drop: false }`
[INFO] [stdout] 5f1a583f8328a038f99563b29ef42f60997b5166062b6ace6c25109221327785
[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] c3ad70c89b9a20c0983f0f504779e2657d311bb5e1689522c3b6bfcef107f7c8
[INFO] running `Command { std: "docker" "start" "-a" "c3ad70c89b9a20c0983f0f504779e2657d311bb5e1689522c3b6bfcef107f7c8", kill_on_drop: false }`
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]  Documenting copper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = help: use the new name `dead_code`
[INFO] [stdout]   = note: requested on the command line with `-W unused_tuple_struct_fields`
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_roundings)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `copper`
[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 copper src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --warn=variant_size_differences --warn=unused_tuple_struct_fields --warn=unused_results --warn=unused_qualifications --warn=unused_macro_rules --warn=unused_lifetimes --warn=unused_import_braces --warn=unused_extern_crates --warn=unsafe_op_in_unsafe_fn --forbid=unsafe_code '--warn=rustdoc::unescaped_backticks' --warn=trivial_numeric_casts --warn=trivial_casts --warn=single_use_lifetimes --warn=rust-2021-compatibility '--warn=rustdoc::private_doc_tests' --warn=pointer_structural_match '--warn=clippy::pedantic' '--warn=clippy::nursery' --warn=non_ascii_idents --warn=missing_docs '--warn=rustdoc::missing_crate_level_docs' --warn=missing_abi --warn=meta_variable_misuse --warn=macro_use_extern_crate --warn=let_underscore_drop --warn=keyword_idents --warn=ffi_unwind_calls --warn=explicit_outlives_requirements '--warn=clippy::cargo' --warn=absolute_paths_not_starting_with_crate '--allow=clippy::option_if_let_else' '--allow=clippy::doc_markdown' --document-private-items -C metadata=a4cc88dbf6672c50 -L dependency=/opt/rustwide/target/debug/deps --extern dyn_clone=/opt/rustwide/target/debug/deps/libdyn_clone-0ff842c3d54ebbf1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c3ad70c89b9a20c0983f0f504779e2657d311bb5e1689522c3b6bfcef107f7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ad70c89b9a20c0983f0f504779e2657d311bb5e1689522c3b6bfcef107f7c8", kill_on_drop: false }`
[INFO] [stdout] c3ad70c89b9a20c0983f0f504779e2657d311bb5e1689522c3b6bfcef107f7c8
