[INFO] fetching crate slice-of-array 0.3.2...
[INFO] testing slice-of-array-0.3.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate slice-of-array 0.3.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate slice-of-array 0.3.2
[INFO] finished tweaking crates.io crate slice-of-array 0.3.2
[INFO] tweaked toml for crates.io crate slice-of-array 0.3.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slice-of-array 0.3.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 38590914087d0c5b57bb24d262984fef678d0d2b7c360c6d4b55f5fae2a5ea38
[INFO] running `Command { std: "docker" "start" "-a" "38590914087d0c5b57bb24d262984fef678d0d2b7c360c6d4b55f5fae2a5ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38590914087d0c5b57bb24d262984fef678d0d2b7c360c6d4b55f5fae2a5ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38590914087d0c5b57bb24d262984fef678d0d2b7c360c6d4b55f5fae2a5ea38", kill_on_drop: false }`
[INFO] [stdout] 38590914087d0c5b57bb24d262984fef678d0d2b7c360c6d4b55f5fae2a5ea38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9e8b9ff93ee8b7e64d44743da91698b7f4eaeaad68f085b2231e53595fc9dec
[INFO] running `Command { std: "docker" "start" "-a" "d9e8b9ff93ee8b7e64d44743da91698b7f4eaeaad68f085b2231e53595fc9dec", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-of-array v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "d9e8b9ff93ee8b7e64d44743da91698b7f4eaeaad68f085b2231e53595fc9dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e8b9ff93ee8b7e64d44743da91698b7f4eaeaad68f085b2231e53595fc9dec", kill_on_drop: false }`
[INFO] [stdout] d9e8b9ff93ee8b7e64d44743da91698b7f4eaeaad68f085b2231e53595fc9dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f3c5c0016decd3c6a0d50bb9464e74656afc722c40ee76929144d556e4f2aa0
[INFO] running `Command { std: "docker" "start" "-a" "5f3c5c0016decd3c6a0d50bb9464e74656afc722c40ee76929144d556e4f2aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling zerofrom v0.1.7
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling version-sync v0.9.5
[INFO] [stderr]    Compiling slice-of-array v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:395:34
[INFO] [stdout]     |
[INFO] [stdout] 395 |         { let _: &[[(); 3]; 3] = v.nest().as_array(); }
[INFO] [stdout]     |                  -------------   ^^^^^^^^^^^^^^^^^^^ expected `&[[(); 3]; 3]`, found `Option<&[_; _]>`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  expected due to this
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[[(); 3]; 3]`
[INFO] [stdout]                     found enum `Option<&[_; _]>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<&[_; _]>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 395 |         { let _: &[[(); 3]; 3] = v.nest().as_array().expect("REASON"); }
[INFO] [stdout]     |                                                     +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:397:38
[INFO] [stdout]     |
[INFO] [stdout] 397 |         { let _: &mut [[(); 3]; 3] = v.nest_mut().as_mut_array(); }
[INFO] [stdout]     |                  -----------------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&mut [[(); 3]; 3]`, found `Option<&mut [_; _]>`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  expected due to this
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut [[(); 3]; 3]`
[INFO] [stdout]                             found enum `Option<&mut [_; _]>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<&mut [_; _]>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 397 |         { let _: &mut [[(); 3]; 3] = v.nest_mut().as_mut_array().expect("REASON"); }
[INFO] [stdout]     |                                                                 +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:487:31
[INFO] [stdout]     |
[INFO] [stdout] 487 |             let _: &[(); 3] = v.as_array();
[INFO] [stdout]     |                    --------   ^^^^^^^^^^^^ expected `&[(); 3]`, found `Option<&[(); _]>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected due to this
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(); 3]`
[INFO] [stdout]                     found enum `Option<&[(); _]>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<&[(); _]>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 487 |             let _: &[(); 3] = v.as_array().expect("REASON");
[INFO] [stdout]     |                                           +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:494:31
[INFO] [stdout]     |
[INFO] [stdout] 494 |             let _: &[(); 3] = v.as_array();
[INFO] [stdout]     |                    --------   ^^^^^^^^^^^^ expected `&[(); 3]`, found `Option<&[(); _]>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected due to this
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(); 3]`
[INFO] [stdout]                     found enum `Option<&[(); _]>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<&[(); _]>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 494 |             let _: &[(); 3] = v.as_array().expect("REASON");
[INFO] [stdout]     |                                           +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:501:31
[INFO] [stdout]     |
[INFO] [stdout] 501 |             let _: &[(); 0] = v.as_array();
[INFO] [stdout]     |                    --------   ^^^^^^^^^^^^ expected `&[(); 0]`, found `Option<&[(); _]>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected due to this
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(); 0]`
[INFO] [stdout]                     found enum `Option<&[(); _]>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<&[(); _]>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 501 |             let _: &[(); 0] = v.as_array().expect("REASON");
[INFO] [stdout]     |                                           +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:508:35
[INFO] [stdout]     |
[INFO] [stdout] 508 |             let _: &mut [(); 3] = v.as_mut_array();
[INFO] [stdout]     |                    ------------   ^^^^^^^^^^^^^^^^ expected `&mut [(); 3]`, found `Option<&mut [(); _]>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected due to this
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut [(); 3]`
[INFO] [stdout]                             found enum `Option<&mut [(); _]>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<&mut [(); _]>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 508 |             let _: &mut [(); 3] = v.as_mut_array().expect("REASON");
[INFO] [stdout]     |                                                   +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:515:35
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let _: &mut [(); 3] = v.as_mut_array();
[INFO] [stdout]     |                    ------------   ^^^^^^^^^^^^^^^^ expected `&mut [(); 3]`, found `Option<&mut [(); _]>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected due to this
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut [(); 3]`
[INFO] [stdout]                             found enum `Option<&mut [(); _]>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<&mut [(); _]>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let _: &mut [(); 3] = v.as_mut_array().expect("REASON");
[INFO] [stdout]     |                                                   +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:522:31
[INFO] [stdout]     |
[INFO] [stdout] 522 |             let _: &[(); 0] = v.as_mut_array();
[INFO] [stdout]     |                    --------   ^^^^^^^^^^^^^^^^ expected `&[(); 0]`, found `Option<&mut [(); _]>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected due to this
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(); 0]`
[INFO] [stdout]                     found enum `Option<&mut [(); _]>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<&mut [(); _]>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 522 |             let _: &[(); 0] = v.as_mut_array().expect("REASON");
[INFO] [stdout]     |                                               +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slice-of-array` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "5f3c5c0016decd3c6a0d50bb9464e74656afc722c40ee76929144d556e4f2aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3c5c0016decd3c6a0d50bb9464e74656afc722c40ee76929144d556e4f2aa0", kill_on_drop: false }`
[INFO] [stdout] 5f3c5c0016decd3c6a0d50bb9464e74656afc722c40ee76929144d556e4f2aa0
