[INFO] fetching crate tp-npos-elections 2.0.2...
[INFO] testing tp-npos-elections-2.0.2 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate tp-npos-elections 2.0.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate tp-npos-elections 2.0.2 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tp-npos-elections 2.0.2
[INFO] finished tweaking crates.io crate tp-npos-elections 2.0.2
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/helpers.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / pub fn assignment_ratio_to_staked_normalized<A: IdentifierT, P: PerThing128, FS>(
[INFO] [stdout] 45 | |     ratio: Vec<Assignment<A, P>>,
[INFO] [stdout] 46 | |     stake_of: FS,
[INFO] [stdout] 47 | | ) -> Result<Vec<StakedAssignment<A>>, Error>
[INFO] [stdout] 48 | | where
[INFO] [stdout] 49 | |     for<'r> FS: Fn(&'r A) -> VoteWeight,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/helpers.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .collect::<Result<_, _>>()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/helpers.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | / pub fn assignment_staked_to_ratio_normalized<A: IdentifierT, P: PerThing128>(
[INFO] [stdout] 72 | |     staked: Vec<StakedAssignment<A>>,
[INFO] [stdout] 73 | | ) -> Result<Vec<Assignment<A, P>>, Error> {
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/helpers.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |         .collect::<Result<_, _>>()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.94s
[INFO] running `Command { std: "docker" "inspect" "ae3836256836396d304e89935f62bcbc3499aec8d5d2d00aba8d0b8e4d51a690", kill_on_drop: false }`
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[INFO] [stdout] ae3836256836396d304e89935f62bcbc3499aec8d5d2d00aba8d0b8e4d51a690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e37dc00114c11a080a5485228e42b8b891378509d95f6f228c3f02ee9bcbef
[INFO] running `Command { std: "docker" "start" "-a" "57e37dc00114c11a080a5485228e42b8b891378509d95f6f228c3f02ee9bcbef", kill_on_drop: false }`
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling object v0.36.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
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[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/helpers.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / pub fn assignment_ratio_to_staked_normalized<A: IdentifierT, P: PerThing128, FS>(
[INFO] [stdout] 45 | |     ratio: Vec<Assignment<A, P>>,
[INFO] [stdout] 46 | |     stake_of: FS,
[INFO] [stdout] 47 | | ) -> Result<Vec<StakedAssignment<A>>, Error>
[INFO] [stdout] 48 | | where
[INFO] [stdout] 49 | |     for<'r> FS: Fn(&'r A) -> VoteWeight,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/helpers.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .collect::<Result<_, _>>()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/helpers.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | / pub fn assignment_staked_to_ratio_normalized<A: IdentifierT, P: PerThing128>(
[INFO] [stdout] 72 | |     staked: Vec<StakedAssignment<A>>,
[INFO] [stdout] 73 | | ) -> Result<Vec<Assignment<A, P>>, Error> {
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/helpers.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |         .collect::<Result<_, _>>()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling tp-keystore v2.1.2
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling panic-handler v2.1.2
[INFO] [stderr]    Compiling tp-state-machine v2.1.2
[INFO] [stderr]    Compiling tet-io v2.1.2
[INFO] [stderr]    Compiling tet-application-crypto v2.1.2
[INFO] [stderr]    Compiling tp-runtime v2.1.2
[INFO] [stderr]    Compiling tp-npos-elections v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tetcore_test_utils`
[INFO] [stdout]   --> src/tests.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tetcore_test_utils::assert_eq_uvec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `tetcore_test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/helpers.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / pub fn assignment_ratio_to_staked_normalized<A: IdentifierT, P: PerThing128, FS>(
[INFO] [stdout] 45 | |     ratio: Vec<Assignment<A, P>>,
[INFO] [stdout] 46 | |     stake_of: FS,
[INFO] [stdout] 47 | | ) -> Result<Vec<StakedAssignment<A>>, Error>
[INFO] [stdout] 48 | | where
[INFO] [stdout] 49 | |     for<'r> FS: Fn(&'r A) -> VoteWeight,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/helpers.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .collect::<Result<_, _>>()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/helpers.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | / pub fn assignment_staked_to_ratio_normalized<A: IdentifierT, P: PerThing128>(
[INFO] [stdout] 72 | |     staked: Vec<StakedAssignment<A>>,
[INFO] [stdout] 73 | | ) -> Result<Vec<Assignment<A, P>>, Error> {
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/helpers.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |         .collect::<Result<_, _>>()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tp-npos-elections` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "57e37dc00114c11a080a5485228e42b8b891378509d95f6f228c3f02ee9bcbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e37dc00114c11a080a5485228e42b8b891378509d95f6f228c3f02ee9bcbef", kill_on_drop: false }`
[INFO] [stdout] 57e37dc00114c11a080a5485228e42b8b891378509d95f6f228c3f02ee9bcbef
