[INFO] fetching crate aristeia 0.2.3... [INFO] testing aristeia-0.2.3 against beta-2026-04-21 for beta-1.96-1 [INFO] extracting crate aristeia 0.2.3 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate aristeia 0.2.3 [INFO] finished tweaking crates.io crate aristeia 0.2.3 [INFO] tweaked toml for crates.io crate aristeia 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate aristeia 0.2.3 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 20 packages to latest compatible versions [INFO] [stderr] Adding rand v0.6.5 (available: v0.10.1) [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] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ab4dcb783e8fe546a62c80e83d4542aea22c588b259b77a1b8ef542165e4e036 [INFO] running `Command { std: "docker" "start" "-a" "ab4dcb783e8fe546a62c80e83d4542aea22c588b259b77a1b8ef542165e4e036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab4dcb783e8fe546a62c80e83d4542aea22c588b259b77a1b8ef542165e4e036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab4dcb783e8fe546a62c80e83d4542aea22c588b259b77a1b8ef542165e4e036", kill_on_drop: false }` [INFO] [stdout] ab4dcb783e8fe546a62c80e83d4542aea22c588b259b77a1b8ef542165e4e036 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c16e5c92631cdea93cac933a4621da6c202f19f6350d7d18706f1f15d7389ca2 [INFO] running `Command { std: "docker" "start" "-a" "c16e5c92631cdea93cac933a4621da6c202f19f6350d7d18706f1f15d7389ca2", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.186 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling aristeia v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:152:26 [INFO] [stdout] | [INFO] [stdout] 152 | score_provider: &mut ScoreProvider [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 152 | score_provider: &mut dyn ScoreProvider [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:174:26 [INFO] [stdout] | [INFO] [stdout] 174 | score_provider: &mut ScoreProvider [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 174 | score_provider: &mut dyn ScoreProvider [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:230:26 [INFO] [stdout] | [INFO] [stdout] 230 | score_provider: &mut ScoreProvider, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | score_provider: &mut dyn ScoreProvider, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:138:88 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn run (&self, population: Population, data: &Data, score_provider: &mut ScoreProvider) -> Population [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 138 | pub fn run (&self, population: Population, data: &Data, score_provider: &mut dyn ScoreProvider) -> Population [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/operations.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | for (_, mut agent) in agents { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.25s [INFO] running `Command { std: "docker" "inspect" "c16e5c92631cdea93cac933a4621da6c202f19f6350d7d18706f1f15d7389ca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c16e5c92631cdea93cac933a4621da6c202f19f6350d7d18706f1f15d7389ca2", kill_on_drop: false }` [INFO] [stdout] c16e5c92631cdea93cac933a4621da6c202f19f6350d7d18706f1f15d7389ca2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1dfdcb383377dd5c0d21d0568712311bc5f6bc00a5afd150ff1bd3834c84f86b [INFO] running `Command { std: "docker" "start" "-a" "1dfdcb383377dd5c0d21d0568712311bc5f6bc00a5afd150ff1bd3834c84f86b", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:152:26 [INFO] [stdout] | [INFO] [stdout] 152 | score_provider: &mut ScoreProvider [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 152 | score_provider: &mut dyn ScoreProvider [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:174:26 [INFO] [stdout] | [INFO] [stdout] 174 | score_provider: &mut ScoreProvider [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 174 | score_provider: &mut dyn ScoreProvider [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:230:26 [INFO] [stdout] | [INFO] [stdout] 230 | score_provider: &mut ScoreProvider, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | score_provider: &mut dyn ScoreProvider, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:138:88 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn run (&self, population: Population, data: &Data, score_provider: &mut ScoreProvider) -> Population [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 138 | pub fn run (&self, population: Population, data: &Data, score_provider: &mut dyn ScoreProvider) -> Population [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/operations.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | for (_, mut agent) in agents { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling aristeia v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:152:26 [INFO] [stdout] | [INFO] [stdout] 152 | score_provider: &mut ScoreProvider [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 152 | score_provider: &mut dyn ScoreProvider [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:174:26 [INFO] [stdout] | [INFO] [stdout] 174 | score_provider: &mut ScoreProvider [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 174 | score_provider: &mut dyn ScoreProvider [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:230:26 [INFO] [stdout] | [INFO] [stdout] 230 | score_provider: &mut ScoreProvider, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | score_provider: &mut dyn ScoreProvider, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/operations.rs:138:88 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn run (&self, population: Population, data: &Data, score_provider: &mut ScoreProvider) -> Population [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 138 | pub fn run (&self, population: Population, data: &Data, score_provider: &mut dyn ScoreProvider) -> Population [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/operations.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | for (_, mut agent) in agents { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `Command { std: "docker" "inspect" "1dfdcb383377dd5c0d21d0568712311bc5f6bc00a5afd150ff1bd3834c84f86b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dfdcb383377dd5c0d21d0568712311bc5f6bc00a5afd150ff1bd3834c84f86b", kill_on_drop: false }` [INFO] [stdout] 1dfdcb383377dd5c0d21d0568712311bc5f6bc00a5afd150ff1bd3834c84f86b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7e759694a3a891160ca9fb04abf63b562a52be34affa0fdb093dc16f0344f122 [INFO] running `Command { std: "docker" "start" "-a" "7e759694a3a891160ca9fb04abf63b562a52be34affa0fdb093dc16f0344f122", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/operations.rs:152:26 [INFO] [stderr] | [INFO] [stderr] 152 | score_provider: &mut ScoreProvider [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 152 | score_provider: &mut dyn ScoreProvider [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/operations.rs:174:26 [INFO] [stderr] | [INFO] [stderr] 174 | score_provider: &mut ScoreProvider [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 174 | score_provider: &mut dyn ScoreProvider [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/operations.rs:230:26 [INFO] [stderr] | [INFO] [stderr] 230 | score_provider: &mut ScoreProvider, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 230 | score_provider: &mut dyn ScoreProvider, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/operations.rs:138:88 [INFO] [stderr] | [INFO] [stderr] 138 | pub fn run (&self, population: Population, data: &Data, score_provider: &mut ScoreProvider) -> Population [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 138 | pub fn run (&self, population: Population, data: &Data, score_provider: &mut dyn ScoreProvider) -> Population [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/operations.rs:219:13 [INFO] [stderr] | [INFO] [stderr] 219 | for (_, mut agent) in agents { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `aristeia` (lib) generated 5 warnings (run `cargo fix --lib -p aristeia` to apply 5 suggestions) [INFO] [stderr] warning: `aristeia` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aristeia-a2b893f533d53b20) [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test agent::tests::new_no_genes ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_longer_other ... ok [INFO] [stdout] test agent::tests::crossover_parents ... ok [INFO] [stdout] test agent::tests::new_with_genes ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_same_length_other ... ok [INFO] [stdout] test operations::tests::rate_to_number_full_proportion ... ok [INFO] [stdout] test agent::tests::mutate ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_shorter_other ... ok [INFO] [stdout] test operations::tests::rate_to_number_standard_proportion ... ok [INFO] [stdout] test operations::tests::rate_to_number_population_is_zero ... ok [INFO] [stdout] test operations::tests::selection_lowest_score_returns_lowest ... ok [INFO] [stdout] test population::tests::cull_all_below ... ok [INFO] [stdout] test operations::tests::rate_to_number_minimum_preference_greater_than_population ... ok [INFO] [stdout] test operations::tests::selection_highest_score_returns_highest ... ok [INFO] [stdout] test operations::tests::selection_random_any_returns_correct_proportion ... ok [INFO] [stdout] test operations::tests::rate_to_number_minimum_preference_greater_than_proportion ... ok [INFO] [stdout] test operations::tests::rate_to_number_minimum_preference_less_than_proportion ... ok [INFO] [stdout] test operations::tests::rate_to_number_rounds_down ... ok [INFO] [stdout] test population::tests::new_with_false_unique ... ok [INFO] [stdout] test population::tests::new_empty ... ok [INFO] [stdout] test evolution::tests::run_iterations_nothing_to_do ... ok [INFO] [stdout] test population::tests::new_with_true_unique ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- population::tests::new_with_true_unique stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'population::tests::new_with_true_unique' (38) panicked at src/population.rs:208:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: 5 [INFO] [stdout] right: 4 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5f98caa4b81a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5f98caa4b81a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5f98caa4b81a - std[128c3efe2914e152]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x5f98caa4b81a - <::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x5f98caa5f7ea - ::fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x5f98caa5f7ea - core[6771d259883166e6]::fmt::write [INFO] [stdout] 6: 0x5f98caa501a2 - std[128c3efe2914e152]::io::default_write_fmt::> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11 [INFO] [stdout] 7: 0x5f98caa501a2 - as std[128c3efe2914e152]::io::Write>::write_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13 [INFO] [stdout] 8: 0x5f98caa2a9af - ::print [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x5f98caa2a9af - std[128c3efe2914e152]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x5f98caa43c79 - std[128c3efe2914e152]::panicking::default_hook [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:316:9 [INFO] [stdout] 11: 0x5f98ca9bdfec - core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9 [INFO] [stdout] 12: 0x5f98ca9bdfec - test[b137923399915ecf]::test_main_with_exit_callback::::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5f98caa43e32 - core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9 [INFO] [stdout] 14: 0x5f98caa43e32 - std[128c3efe2914e152]::panicking::panic_with_hook [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:833:13 [INFO] [stdout] 15: 0x5f98caa2aa68 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13 [INFO] [stdout] 16: 0x5f98caa1fc49 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 17: 0x5f98caa2b77d - __rustc[752cc74e29381ccc]::rust_begin_unwind [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5 [INFO] [stdout] 18: 0x5f98caa5ff3c - core[6771d259883166e6]::panicking::panic_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x5f98caa5fdf3 - core[6771d259883166e6]::panicking::assert_failed_inner [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:439:17 [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stdout] 20: 0x5f98caa5c4fd - core[6771d259883166e6]::panicking::assert_failed:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:394:5 [INFO] [stdout] 21: 0x5f98ca9a50ae - aristeia::population::tests::new_with_true_unique::h25f90b4df806a1d4 [INFO] [stdout] at /opt/rustwide/workdir/src/population.rs:208:9 [INFO] [stdout] 22: 0x5f98ca9a5bd7 - aristeia::population::tests::new_with_true_unique::{{closure}}::h75d8c32934ebf91c [INFO] [stdout] at /opt/rustwide/workdir/src/population.rs:206:30 [INFO] [stdout] 23: 0x5f98ca998616 - core::ops::function::FnOnce::call_once::h1aafd890a8ead117 [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5f98ca9b20eb - core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5f98ca9b20eb - test[b137923399915ecf]::__rust_begin_short_backtrace::, fn() -> core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5f98ca9beabb - test[b137923399915ecf]::run_test_in_process::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5f98ca9beabb - as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 28: 0x5f98ca9beabb - std[128c3efe2914e152]::panicking::catch_unwind::do_call::, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40 [INFO] [stdout] 29: 0x5f98ca9beabb - std[128c3efe2914e152]::panicking::catch_unwind::, core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19 [INFO] [stdout] 30: 0x5f98ca9beabb - std[128c3efe2914e152]::panic::catch_unwind::, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5f98ca9beabb - test[b137923399915ecf]::run_test_in_process [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5f98ca9beabb - test[b137923399915ecf]::run_test::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5f98ca9b8f14 - test[b137923399915ecf]::run_test::{closure#1} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5f98ca9b8f14 - std[128c3efe2914e152]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:166:18 [INFO] [stdout] 35: 0x5f98ca9c16c2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::::{closure#1}::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:91:13 [INFO] [stdout] 36: 0x5f98ca9c16c2 - ::{closure#1}::{closure#0}> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 37: 0x5f98ca9c16c2 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40 [INFO] [stdout] 38: 0x5f98ca9c16c2 - std[128c3efe2914e152]::panicking::catch_unwind::<(), core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe::{closure#1}::{closure#0}>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19 [INFO] [stdout] 39: 0x5f98ca9c16c2 - std[128c3efe2914e152]::panic::catch_unwind::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5f98ca9c16c2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::::{closure#1} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:89:26 [INFO] [stdout] 41: 0x5f98ca9c16c2 - ::{closure#1} as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5f98caa4b12f - + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2249:9 [INFO] [stdout] 43: 0x5f98caa4b12f - ::new::thread_start [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/thread/unix.rs:118:17 [INFO] [stdout] 44: 0x7a8eaa0c4aa4 - [INFO] [stdout] 45: 0x7a8eaa151a64 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] population::tests::new_with_true_unique [INFO] [stdout] [INFO] [stdout] test result: FAILED. 21 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7e759694a3a891160ca9fb04abf63b562a52be34affa0fdb093dc16f0344f122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e759694a3a891160ca9fb04abf63b562a52be34affa0fdb093dc16f0344f122", kill_on_drop: false }` [INFO] [stdout] 7e759694a3a891160ca9fb04abf63b562a52be34affa0fdb093dc16f0344f122