[INFO] fetching crate sp-npos-elections 41.0.0...
[INFO] testing sp-npos-elections-41.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sp-npos-elections 41.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sp-npos-elections 41.0.0
[INFO] finished tweaking crates.io crate sp-npos-elections 41.0.0
[INFO] tweaked toml for crates.io crate sp-npos-elections 41.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sp-npos-elections 41.0.0 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 sp-npos-elections 41.0.0 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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fd73fdd05fe8acce3fb0192390fcdccaa177376a29410665a62f42c2be35a1c
[INFO] running `Command { std: "docker" "start" "-a" "6fd73fdd05fe8acce3fb0192390fcdccaa177376a29410665a62f42c2be35a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd73fdd05fe8acce3fb0192390fcdccaa177376a29410665a62f42c2be35a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd73fdd05fe8acce3fb0192390fcdccaa177376a29410665a62f42c2be35a1c", kill_on_drop: false }`
[INFO] [stdout] 6fd73fdd05fe8acce3fb0192390fcdccaa177376a29410665a62f42c2be35a1c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a2b2837ce187f66f2e57c6e4f6ef24729f12c012fbf3afcb4daa55c92e5429
[INFO] running `Command { std: "docker" "start" "-a" "21a2b2837ce187f66f2e57c6e4f6ef24729f12c012fbf3afcb4daa55c92e5429", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling find-msvc-tools v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling cc v1.2.35
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.15
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[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
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[INFO] [stderr]    Compiling impl-num-traits v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
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[INFO] [stderr]    Compiling trie-db v0.31.0
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[INFO] [stderr]    Compiling memory-db v0.34.0
[INFO] [stderr]    Compiling trie-root v0.18.0
[INFO] [stderr]    Compiling sp-io v45.0.0
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling sp-panic-handler v13.0.2
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling proc-macro-warning v1.0.0
[INFO] [stderr]    Compiling prettyplease v0.2.12
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[INFO] [stderr]    Compiling expander v2.2.1
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[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling der v0.7.8
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling merlin v3.0.0
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[INFO] [stderr]    Compiling spki v0.7.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling signature v2.1.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling crypto-bigint v0.5.2
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling ed25519 v2.2.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling h2 v0.4.5
[INFO] [stderr]    Compiling sp-crypto-hashing v0.1.0
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling secrecy v0.8.0
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
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[INFO] [stderr]    Compiling ed25519-zebra v4.0.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling ed25519-dalek v2.1.1
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling http-body-util v0.1.2
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[INFO] [stderr]    Compiling serde_spanned v0.6.7
[INFO] [stderr]    Compiling serdect v0.2.0
[INFO] [stderr]    Compiling impl-serde v0.5.0
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]    Compiling serde_bytes v0.11.12
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling schnorrkel v0.11.4
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling bip39 v2.2.0
[INFO] [stderr]    Compiling ecdsa v0.16.8
[INFO] [stderr]    Compiling ss58-registry v1.43.0
[INFO] [stderr]    Compiling k256 v0.13.4
[INFO] [stderr]    Compiling substrate-bip39 v0.6.1
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.7.5
[INFO] [stderr]    Compiling scale-info-derive v2.11.6
[INFO] [stderr]    Compiling jam-codec-derive v0.1.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v21.0.0
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling docify_macros v0.2.9
[INFO] [stderr]    Compiling substrate-prometheus-endpoint v0.17.7
[INFO] [stderr]    Compiling jam-codec v0.1.0
[INFO] [stderr]    Compiling docify v0.2.9
[INFO] [stderr]    Compiling scale-info v2.11.6
[INFO] [stderr]    Compiling sp-storage v23.0.0
[INFO] [stderr]    Compiling impl-codec v0.7.1
[INFO] [stderr]    Compiling sp-wasm-interface v24.0.0
[INFO] [stderr]    Compiling sp-tracing v19.0.0
[INFO] [stderr]    Compiling binary-merkle-tree v16.1.1
[INFO] [stderr]    Compiling sp-externalities v0.32.0
[INFO] [stderr]    Compiling sp-runtime-interface v34.0.0
[INFO] [stderr]    Compiling bounded-collections v0.3.2
[INFO] [stderr]    Compiling primitive-types v0.13.1
[INFO] [stderr]    Compiling sp-arithmetic v28.0.1
[INFO] [stderr]    Compiling sp-weights v34.0.0
[INFO] [stderr]    Compiling sp-core v40.0.0
[INFO] [stderr]    Compiling sp-trie v43.0.0
[INFO] [stderr]    Compiling sp-keystore v0.46.0
[INFO] [stderr]    Compiling sp-state-machine v0.50.0
[INFO] [stderr]    Compiling sp-application-crypto v45.0.0
[INFO] [stderr]    Compiling sp-runtime v46.0.0
[INFO] [stderr]    Compiling sp-npos-elections v41.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "21a2b2837ce187f66f2e57c6e4f6ef24729f12c012fbf3afcb4daa55c92e5429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a2b2837ce187f66f2e57c6e4f6ef24729f12c012fbf3afcb4daa55c92e5429", kill_on_drop: false }`
[INFO] [stdout] 21a2b2837ce187f66f2e57c6e4f6ef24729f12c012fbf3afcb4daa55c92e5429
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53b57344dfea3a3baef6b69604382fd772b9fcaab357a3ca9160269c12a25515
[INFO] running `Command { std: "docker" "start" "-a" "53b57344dfea3a3baef6b69604382fd772b9fcaab357a3ca9160269c12a25515", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-npos-elections v41.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `substrate_test_utils`
[INFO] [stdout]   --> src/tests.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use substrate_test_utils::assert_eq_uvec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `substrate_test_utils`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `substrate_test_utils`, use `cargo add substrate_test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sp-npos-elections` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "53b57344dfea3a3baef6b69604382fd772b9fcaab357a3ca9160269c12a25515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b57344dfea3a3baef6b69604382fd772b9fcaab357a3ca9160269c12a25515", kill_on_drop: false }`
[INFO] [stdout] 53b57344dfea3a3baef6b69604382fd772b9fcaab357a3ca9160269c12a25515
