[INFO] fetching crate light-zero-copy-derive 0.3.0...
[INFO] testing light-zero-copy-derive-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate light-zero-copy-derive 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate light-zero-copy-derive 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate light-zero-copy-derive 0.3.0
[INFO] tweaked toml for crates.io crate light-zero-copy-derive 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate light-zero-copy-derive 0.3.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate light-zero-copy-derive 0.3.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55c23758c2fd3ce9b37bbebc87a1c4ff7ea983cdec051fb2f625849f9dee386d
[INFO] running `Command { std: "docker" "start" "-a" "55c23758c2fd3ce9b37bbebc87a1c4ff7ea983cdec051fb2f625849f9dee386d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c23758c2fd3ce9b37bbebc87a1c4ff7ea983cdec051fb2f625849f9dee386d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c23758c2fd3ce9b37bbebc87a1c4ff7ea983cdec051fb2f625849f9dee386d", kill_on_drop: false }`
[INFO] [stdout] 55c23758c2fd3ce9b37bbebc87a1c4ff7ea983cdec051fb2f625849f9dee386d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ecdf436243fece1caa85d054b0aacc167bf97f8b920f136f6c9e57660d9fcc
[INFO] running `Command { std: "docker" "start" "-a" "75ecdf436243fece1caa85d054b0aacc167bf97f8b920f136f6c9e57660d9fcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]    Compiling light-zero-copy-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/shared/utils.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     input: &DeriveInput,
[INFO] [stdout]    |            ^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 69 | ) -> syn::Result<(
[INFO] [stdout] 70 |     &Ident,             // Original name
[INFO] [stdout]    |     ^^^^^^ the same lifetime is elided here
[INFO] [stdout] 71 |     proc_macro2::Ident, // Z-name
[INFO] [stdout] 72 |     InputType,          // Input type (struct or enum)
[INFO] [stdout]    |     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     InputType<'_>,          // Input type (struct or enum)
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "75ecdf436243fece1caa85d054b0aacc167bf97f8b920f136f6c9e57660d9fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ecdf436243fece1caa85d054b0aacc167bf97f8b920f136f6c9e57660d9fcc", kill_on_drop: false }`
[INFO] [stdout] 75ecdf436243fece1caa85d054b0aacc167bf97f8b920f136f6c9e57660d9fcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76f20136095e1d535ef969ddab9deedc1008acecb0b3875c44da70e472a54337
[INFO] running `Command { std: "docker" "start" "-a" "76f20136095e1d535ef969ddab9deedc1008acecb0b3875c44da70e472a54337", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]    Compiling light-zero-copy-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]  --> src/tests/z_struct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{prelude::SliceRandom, rngs::StdRng, thread_rng, Rng, SeedableRng};
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/tests/z_struct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{prelude::SliceRandom, rngs::StdRng, thread_rng, Rng, SeedableRng};
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `choose` found for reference `&'static [&'static str]` in the current scope
[INFO] [stdout]   --> src/tests/z_struct.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FIELD_NAMES.choose(rng).unwrap().to_string()
[INFO] [stdout]    |                 ^^^^^^ method not found in `&'static [&'static str]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `choose` found for array `[{integer}; 8]` in the current scope
[INFO] [stdout]   --> src/tests/z_struct.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let selected = *types.choose(rng).unwrap();
[INFO] [stdout]    |                           ^^^^^^ method not found in `[{integer}; 8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/shared/utils.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     input: &DeriveInput,
[INFO] [stdout]    |            ^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 69 | ) -> syn::Result<(
[INFO] [stdout] 70 |     &Ident,             // Original name
[INFO] [stdout]    |     ^^^^^^ the same lifetime is elided here
[INFO] [stdout] 71 |     proc_macro2::Ident, // Z-name
[INFO] [stdout] 72 |     InputType,          // Input type (struct or enum)
[INFO] [stdout]    |     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     InputType<'_>,          // Input type (struct or enum)
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `light-zero-copy-derive` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76f20136095e1d535ef969ddab9deedc1008acecb0b3875c44da70e472a54337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f20136095e1d535ef969ddab9deedc1008acecb0b3875c44da70e472a54337", kill_on_drop: false }`
[INFO] [stdout] 76f20136095e1d535ef969ddab9deedc1008acecb0b3875c44da70e472a54337