[INFO] fetching crate u64_array_bigints_core 0.3.4...
[INFO] testing u64_array_bigints_core-0.3.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate u64_array_bigints_core 0.3.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate u64_array_bigints_core 0.3.4
[INFO] finished tweaking crates.io crate u64_array_bigints_core 0.3.4
[INFO] tweaked toml for crates.io crate u64_array_bigints_core 0.3.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate u64_array_bigints_core 0.3.4 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 25 packages to latest compatible versions
[INFO] [stderr]       Adding awint v0.11.0 (available: v0.18.1)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.10.1)
[INFO] [stderr]       Adding rand_xoshiro v0.6.0 (available: v0.8.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding uint v0.9.5 (available: v0.10.0)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a20a948386f6a1365386dbd2d84164f826fd090fc79694e5e1a352cc93e9635b
[INFO] running `Command { std: "docker" "start" "-a" "a20a948386f6a1365386dbd2d84164f826fd090fc79694e5e1a352cc93e9635b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a20a948386f6a1365386dbd2d84164f826fd090fc79694e5e1a352cc93e9635b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20a948386f6a1365386dbd2d84164f826fd090fc79694e5e1a352cc93e9635b", kill_on_drop: false }`
[INFO] [stdout] a20a948386f6a1365386dbd2d84164f826fd090fc79694e5e1a352cc93e9635b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5b539ce5d133ff728af1c42610d5bf4e9d5a536b637baeaa9e86410730861f7f
[INFO] running `Command { std: "docker" "start" "-a" "5b539ce5d133ff728af1c42610d5bf4e9d5a536b637baeaa9e86410730861f7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling u64_array_bigints_core v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]   --> src/common.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[cfg(target_pointer_width = "128")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic = "128")]
[INFO] [stdout]    |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_equal_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic_equal_alignment = "128")]
[INFO] [stdout]    |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic_load_store = "128")]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "5b539ce5d133ff728af1c42610d5bf4e9d5a536b637baeaa9e86410730861f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b539ce5d133ff728af1c42610d5bf4e9d5a536b637baeaa9e86410730861f7f", kill_on_drop: false }`
[INFO] [stdout] 5b539ce5d133ff728af1c42610d5bf4e9d5a536b637baeaa9e86410730861f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 664f9f8de8159b3c146fe0c1046cb4458bddffba357439313258029ce9330ccc
[INFO] running `Command { std: "docker" "start" "-a" "664f9f8de8159b3c146fe0c1046cb4458bddffba357439313258029ce9330ccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling awint_internals v0.11.0
[INFO] [stderr]    Compiling triple_arena v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling awint_core v0.11.0
[INFO] [stderr]    Compiling awint_ext v0.11.0
[INFO] [stderr]    Compiling awint_macro_internals v0.11.0
[INFO] [stderr]    Compiling awint_macros v0.11.0
[INFO] [stderr]    Compiling awint v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling u64_array_bigints_core v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]   --> src/common.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[cfg(target_pointer_width = "128")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic = "128")]
[INFO] [stdout]    |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_equal_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic_equal_alignment = "128")]
[INFO] [stdout]    |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic_load_store = "128")]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]   --> src/common.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[cfg(target_pointer_width = "128")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic = "128")]
[INFO] [stdout]    |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_equal_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic_equal_alignment = "128")]
[INFO] [stdout]    |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stdout] 74 + #[cfg(target_has_atomic_load_store = "128")]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `Command { std: "docker" "inspect" "664f9f8de8159b3c146fe0c1046cb4458bddffba357439313258029ce9330ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664f9f8de8159b3c146fe0c1046cb4458bddffba357439313258029ce9330ccc", kill_on_drop: false }`
[INFO] [stdout] 664f9f8de8159b3c146fe0c1046cb4458bddffba357439313258029ce9330ccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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", kill_on_drop: false }`
[INFO] [stdout] e2b0f9bb21c4d924f35373515b35d5bc0908f32b2e086d6b8bfed16825ca7923
[INFO] running `Command { std: "docker" "start" "-a" "e2b0f9bb21c4d924f35373515b35d5bc0908f32b2e086d6b8bfed16825ca7923", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `128`
[INFO] [stderr]   --> src/common.rs:74:7
[INFO] [stderr]    |
[INFO] [stderr] 74 | #[cfg(target_pointer_width = "128")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] help: `128` is an expected value for `target_has_atomic`
[INFO] [stderr]    |
[INFO] [stderr] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stderr] 74 + #[cfg(target_has_atomic = "128")]
[INFO] [stderr]    |
[INFO] [stderr] help: `128` is an expected value for `target_has_atomic_equal_alignment`
[INFO] [stderr]    |
[INFO] [stderr] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stderr] 74 + #[cfg(target_has_atomic_equal_alignment = "128")]
[INFO] [stderr]    |
[INFO] [stderr] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stderr]    |
[INFO] [stderr] 74 - #[cfg(target_pointer_width = "128")]
[INFO] [stderr] 74 + #[cfg(target_has_atomic_load_store = "128")]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `u64_array_bigints_core` (lib) generated 1 warning
[INFO] [stderr] warning: `u64_array_bigints_core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/u64_array_bigints_core-90c72689658d5913)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests u64_array_bigints_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/u256.rs - u256::U256::rand_using (line 306) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/u256.rs - u256::U256::rand_using (line 306) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `u64_array_bigints`
[INFO] [stdout]    --> src/u256.rs:309:5
[INFO] [stdout]     |
[INFO] [stdout] 309 | use u64_array_bigints::U256;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `u64_array_bigints`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 309 | use u64_array_bigints_core::U256;
[INFO] [stdout]     |                      +++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/u256.rs - u256::U256::rand_using (line 306)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e2b0f9bb21c4d924f35373515b35d5bc0908f32b2e086d6b8bfed16825ca7923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b0f9bb21c4d924f35373515b35d5bc0908f32b2e086d6b8bfed16825ca7923", kill_on_drop: false }`
[INFO] [stdout] e2b0f9bb21c4d924f35373515b35d5bc0908f32b2e086d6b8bfed16825ca7923
