[INFO] fetching crate binroots 0.2.2...
[INFO] documenting binroots-0.2.2 against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] extracting crate binroots 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate binroots 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate binroots 0.2.2
[INFO] tweaked toml for crates.io crate binroots 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate binroots 0.2.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate binroots 0.2.2 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded serde_bytes v0.11.9
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded convert_case v0.6.0
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded binroots-proc-macros v0.2.0
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.1
[INFO] [stderr]   Downloaded serde_derive v1.0.152
[INFO] [stderr]   Downloaded serde_tuple_macros v0.5.0
[INFO] [stderr]   Downloaded serde_tuple v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99f1d4224468afd00c72db988b1eb5f5ed88990902862eef7636758bbcd0e719
[INFO] running `Command { std: "docker" "start" "-a" "99f1d4224468afd00c72db988b1eb5f5ed88990902862eef7636758bbcd0e719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99f1d4224468afd00c72db988b1eb5f5ed88990902862eef7636758bbcd0e719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f1d4224468afd00c72db988b1eb5f5ed88990902862eef7636758bbcd0e719", kill_on_drop: false }`
[INFO] [stdout] 99f1d4224468afd00c72db988b1eb5f5ed88990902862eef7636758bbcd0e719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cace33924883e81271517a9e171f560d81d31e2f6b844e32623ed4642bde0834
[INFO] running `Command { std: "docker" "start" "-a" "cace33924883e81271517a9e171f560d81d31e2f6b844e32623ed4642bde0834", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]    Compiling binroots-proc-macros v0.2.0
[INFO] [stderr]     Checking serde_tuple v0.5.0
[INFO] [stderr]  Documenting binroots v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | #![feature(adt_const_params)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct BinrootsField<const N: &'static str, T> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Default)]
[INFO] [stdout]    |          ------- in this derive macro expansion
[INFO] [stdout] 13 | pub struct BinrootsField<const N: &'static str, T> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<const N: &'static str, T: serde::Serialize> serde::Serialize for BinrootsField<N, T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<const N: &'static str, T> std::ops::Deref for BinrootsField<N, T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<const N: &'static str, T> std::ops::DerefMut for BinrootsField<N, T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<const N: &'static str, T> AsRef<T> for BinrootsField<N, T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<const N: &'static str, T> AsMut<T> for BinrootsField<N, T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<const N: &'static str, T: std::fmt::Debug> std::fmt::Debug for BinrootsField<N, T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]   --> src/field.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<const N: &'static str, T> BinrootsField<N, T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]    --> src/save.rs:161:6
[INFO] [stdout]     |
[INFO] [stdout] 161 | impl<const N: &'static str, T: Serialize> BinrootsField<N, T> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `&'static str` to implement `std::marker::ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `binroots`
[INFO] running `Command { std: "docker" "inspect" "cace33924883e81271517a9e171f560d81d31e2f6b844e32623ed4642bde0834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cace33924883e81271517a9e171f560d81d31e2f6b844e32623ed4642bde0834", kill_on_drop: false }`
[INFO] [stdout] cace33924883e81271517a9e171f560d81d31e2f6b844e32623ed4642bde0834