[INFO] fetching crate xu 0.2.3... [INFO] testing xu-0.2.3 against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507 [INFO] extracting crate xu 0.2.3 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate xu 0.2.3 on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xu 0.2.3 [INFO] finished tweaking crates.io crate xu 0.2.3 [INFO] tweaked toml for crates.io crate xu 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate xu 0.2.3 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" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db36935e20ec26db22c5b305ad1c6cc2cddd17c03efb3d8b0c2e69938395ff8d [INFO] running `Command { std: "docker" "start" "-a" "db36935e20ec26db22c5b305ad1c6cc2cddd17c03efb3d8b0c2e69938395ff8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db36935e20ec26db22c5b305ad1c6cc2cddd17c03efb3d8b0c2e69938395ff8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db36935e20ec26db22c5b305ad1c6cc2cddd17c03efb3d8b0c2e69938395ff8d", kill_on_drop: false }` [INFO] [stdout] db36935e20ec26db22c5b305ad1c6cc2cddd17c03efb3d8b0c2e69938395ff8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a813e70cd5137dc5160147aab51529622067f3f38c49bcd213fb1cb3691b05a [INFO] running `Command { std: "docker" "start" "-a" "2a813e70cd5137dc5160147aab51529622067f3f38c49bcd213fb1cb3691b05a", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling xu 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)]` on by default [INFO] [stdout] help: if this is an object-safe 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 an object-safe 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 an object-safe 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 an object-safe 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s [INFO] running `Command { std: "docker" "inspect" "2a813e70cd5137dc5160147aab51529622067f3f38c49bcd213fb1cb3691b05a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a813e70cd5137dc5160147aab51529622067f3f38c49bcd213fb1cb3691b05a", kill_on_drop: false }` [INFO] [stdout] 2a813e70cd5137dc5160147aab51529622067f3f38c49bcd213fb1cb3691b05a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb760df2cc901cf77b0847c400360689c0ed9b0822fc3985da60f715aaacd9fd [INFO] running `Command { std: "docker" "start" "-a" "bb760df2cc901cf77b0847c400360689c0ed9b0822fc3985da60f715aaacd9fd", kill_on_drop: false }` [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)]` on by default [INFO] [stdout] help: if this is an object-safe 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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 174 | score_provider: &mut dyn ScoreProvider [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling xu v0.2.3 (/opt/rustwide/workdir) [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 an object-safe 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 an object-safe 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [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)]` on by default [INFO] [stdout] help: if this is an object-safe 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 an object-safe 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 an object-safe 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 an object-safe 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "bb760df2cc901cf77b0847c400360689c0ed9b0822fc3985da60f715aaacd9fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb760df2cc901cf77b0847c400360689c0ed9b0822fc3985da60f715aaacd9fd", kill_on_drop: false }` [INFO] [stdout] bb760df2cc901cf77b0847c400360689c0ed9b0822fc3985da60f715aaacd9fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9ace1ad8ec4fdf62ae95e950fe4db2f364ead17f7813a8b1d409d42cbacd5cdb [INFO] running `Command { std: "docker" "start" "-a" "9ace1ad8ec4fdf62ae95e950fe4db2f364ead17f7813a8b1d409d42cbacd5cdb", kill_on_drop: false }` [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)]` on by default [INFO] [stderr] help: if this is an object-safe 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 an object-safe 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 an object-safe 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 an object-safe 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)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `xu` (lib) generated 5 warnings (run `cargo fix --lib -p xu` to apply 5 suggestions) [INFO] [stderr] warning: `xu` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xu-011f17d5c9f69c33) [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test agent::tests::crossover_parents ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_longer_other ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_same_length_other ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_shorter_other ... ok [INFO] [stdout] test agent::tests::new_no_genes ... ok [INFO] [stdout] test agent::tests::mutate ... ok [INFO] [stdout] test agent::tests::new_with_genes ... ok [INFO] [stdout] test evolution::tests::run_iterations_nothing_to_do ... ok [INFO] [stdout] test operations::tests::rate_to_number_minimum_preference_greater_than_population ... ok [INFO] [stdout] test operations::tests::rate_to_number_full_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_population_is_zero ... ok [INFO] [stdout] test operations::tests::rate_to_number_rounds_down ... ok [INFO] [stdout] test operations::tests::rate_to_number_standard_proportion ... ok [INFO] [stdout] test operations::tests::selection_highest_score_returns_highest ... ok [INFO] [stdout] test population::tests::new_empty ... ok [INFO] [stdout] test operations::tests::selection_lowest_score_returns_lowest ... ok [INFO] [stdout] test population::tests::cull_all_below ... ok [INFO] [stdout] test population::tests::new_with_true_unique ... ok [INFO] [stdout] test population::tests::new_with_false_unique ... ok [INFO] [stdout] test operations::tests::selection_random_any_returns_correct_proportion ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- operations::tests::selection_random_any_returns_correct_proportion stdout ---- [INFO] [stdout] thread 'operations::tests::selection_random_any_returns_correct_proportion' panicked at src/operations.rs:391:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: 2 [INFO] [stdout] right: 1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55faed04c8d5 - std::backtrace_rs::backtrace::libunwind::trace::h01616864447d7b30 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stdout] 1: 0x55faed04c8d5 - std::backtrace_rs::backtrace::trace_unsynchronized::haf2505f1cce46362 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55faed04c8d5 - std::sys_common::backtrace::_print_fmt::h194ca41cc100de5c [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x55faed04c8d5 - ::fmt::h0cdf3b9de85168c4 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55faed07479b - core::fmt::rt::Argument::fmt::h4873b1048d9b82db [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/fmt/rt.rs:165:63 [INFO] [stdout] 5: 0x55faed07479b - core::fmt::write::ha4c74c323a0d086c [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/fmt/mod.rs:1172:21 [INFO] [stdout] 6: 0x55faed049c6f - std::io::Write::write_fmt::hb6b43a5c88baad33 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/io/mod.rs:1835:15 [INFO] [stdout] 7: 0x55faed04c6ae - std::sys_common::backtrace::_print::h667dd447a835cd2b [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55faed04c6ae - std::sys_common::backtrace::print::hd059cf329bebd7b7 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55faed04e109 - std::panicking::default_hook::{{closure}}::hcda624442cb26ab2 [INFO] [stdout] 10: 0x55faed04dd76 - std::panicking::default_hook::h1433a4b0280b10c1 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:295:9 [INFO] [stdout] 11: 0x55faecff677a - as core::ops::function::Fn>::call::h1d330c91badb41c3 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 12: 0x55faecff677a - test::test_main::{{closure}}::h51ee890341c1da25 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x55faed04e77b - as core::ops::function::Fn>::call::h7bfd229c9579d378 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 14: 0x55faed04e77b - std::panicking::rust_panic_with_hook::hbbff73039be21b12 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:799:13 [INFO] [stdout] 15: 0x55faed04e4f4 - std::panicking::begin_panic_handler::{{closure}}::hf2d595805aea6208 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:664:13 [INFO] [stdout] 16: 0x55faed04cd99 - std::sys_common::backtrace::__rust_end_short_backtrace::h043134ab1b7436ad [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x55faed04e227 - rust_begin_unwind [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:652:5 [INFO] [stdout] 18: 0x55faed073153 - core::panicking::panic_fmt::h5e9d189302ee3459 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55faed0734ae - core::panicking::assert_failed_inner::hbb2128a8bf12649f [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:408:17 [INFO] [stdout] 20: 0x55faed01bbee - core::panicking::assert_failed::hc3ec633c78aa836b [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:363:5 [INFO] [stdout] 21: 0x55faecfb6e9d - xu::operations::tests::selection_random_any_returns_correct_proportion::h4204728fae5cda51 [INFO] [stdout] at /opt/rustwide/workdir/src/operations.rs:391:9 [INFO] [stdout] 22: 0x55faecfb6ce7 - xu::operations::tests::selection_random_any_returns_correct_proportion::{{closure}}::h80135bc46b4adc01 [INFO] [stdout] at /opt/rustwide/workdir/src/operations.rs:385:57 [INFO] [stdout] 23: 0x55faecfbca96 - core::ops::function::FnOnce::call_once::h44863335cce06904 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55faecffafcb - core::ops::function::FnOnce::call_once::h142728b0f901c1d8 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55faecffafcb - test::__rust_begin_short_backtrace::h78f66600c792516f [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:625:18 [INFO] [stdout] 26: 0x55faecffa701 - test::run_test_in_process::{{closure}}::h36b63bf5ec069162 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:648:60 [INFO] [stdout] 27: 0x55faecffa701 - as core::ops::function::FnOnce<()>>::call_once::hc0bc08664ac0fa12 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x55faecffa701 - std::panicking::try::do_call::haab6c4522a086511 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:559:40 [INFO] [stdout] 29: 0x55faecffa701 - std::panicking::try::hf718cb1b5809fd88 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:523:19 [INFO] [stdout] 30: 0x55faecffa701 - std::panic::catch_unwind::he2ad76393ba02fb8 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panic.rs:149:14 [INFO] [stdout] 31: 0x55faecffa701 - test::run_test_in_process::hc186a56cb0b7c789 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:648:27 [INFO] [stdout] 32: 0x55faecffa701 - test::run_test::{{closure}}::h904ff18418fddb43 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:569:43 [INFO] [stdout] 33: 0x55faecfc2454 - test::run_test::{{closure}}::hac26f57ad5c71290 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:599:41 [INFO] [stdout] 34: 0x55faecfc2454 - std::sys_common::backtrace::__rust_begin_short_backtrace::hfe28fbb6dc5c1a07 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x55faecfc6d42 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h95bfe91ffe8f44f9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/thread/mod.rs:542:17 [INFO] [stdout] 36: 0x55faecfc6d42 - as core::ops::function::FnOnce<()>>::call_once::hd46f137d10008ee5 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x55faecfc6d42 - std::panicking::try::do_call::hb6e54244f5c0dd5a [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:559:40 [INFO] [stdout] 38: 0x55faecfc6d42 - std::panicking::try::h9bd598d7f06adceb [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:523:19 [INFO] [stdout] 39: 0x55faecfc6d42 - std::panic::catch_unwind::hd6bd9f72f43d406c [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panic.rs:149:14 [INFO] [stdout] 40: 0x55faecfc6d42 - std::thread::Builder::spawn_unchecked_::{{closure}}::h656cd769863cb7e9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/thread/mod.rs:541:30 [INFO] [stdout] 41: 0x55faecfc6d42 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h434a6c48d2f2306f [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55faed052aab - as core::ops::function::FnOnce>::call_once::h4e53d953a4689d25 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 43: 0x55faed052aab - as core::ops::function::FnOnce>::call_once::hb1f69d21a251f1d9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 44: 0x55faed052aab - std::sys::pal::unix::thread::Thread::new::thread_start::h03f22bbd669825b9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7ffa4bb7fac3 - [INFO] [stdout] 46: 0x7ffa4bc10a04 - __clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] operations::tests::selection_random_any_returns_correct_proportion [INFO] [stdout] [INFO] [stdout] test result: FAILED. 21 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "9ace1ad8ec4fdf62ae95e950fe4db2f364ead17f7813a8b1d409d42cbacd5cdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ace1ad8ec4fdf62ae95e950fe4db2f364ead17f7813a8b1d409d42cbacd5cdb", kill_on_drop: false }` [INFO] [stdout] 9ace1ad8ec4fdf62ae95e950fe4db2f364ead17f7813a8b1d409d42cbacd5cdb [INFO] testing xu-0.2.3 against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507 [INFO] extracting crate xu 0.2.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate xu 0.2.3 on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xu 0.2.3 [INFO] finished tweaking crates.io crate xu 0.2.3 [INFO] tweaked toml for crates.io crate xu 0.2.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate xu 0.2.3 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" "+61a9ac64344e91d62f5496627ff363d177f9daab" "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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ac76b72a3fcd836eb5f32fff2cfde5f69408247ec6ef320e854fde65e5918e0 [INFO] running `Command { std: "docker" "start" "-a" "8ac76b72a3fcd836eb5f32fff2cfde5f69408247ec6ef320e854fde65e5918e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ac76b72a3fcd836eb5f32fff2cfde5f69408247ec6ef320e854fde65e5918e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ac76b72a3fcd836eb5f32fff2cfde5f69408247ec6ef320e854fde65e5918e0", kill_on_drop: false }` [INFO] [stdout] 8ac76b72a3fcd836eb5f32fff2cfde5f69408247ec6ef320e854fde65e5918e0 [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=forbid" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6264546b51dc62919b41fa2ee8b15deb3a658f4acf5076e724e448a70abadc7c [INFO] running `Command { std: "docker" "start" "-a" "6264546b51dc62919b41fa2ee8b15deb3a658f4acf5076e724e448a70abadc7c", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.89 [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_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling xu 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)]` on by default [INFO] [stdout] help: if this is an object-safe 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 an object-safe 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 an object-safe 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 an object-safe 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.90s [INFO] running `Command { std: "docker" "inspect" "6264546b51dc62919b41fa2ee8b15deb3a658f4acf5076e724e448a70abadc7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6264546b51dc62919b41fa2ee8b15deb3a658f4acf5076e724e448a70abadc7c", kill_on_drop: false }` [INFO] [stdout] 6264546b51dc62919b41fa2ee8b15deb3a658f4acf5076e724e448a70abadc7c [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=forbid" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74d773f1e290a5d7cefd6ed25d5cdedb92baf108542535eedc7b5edf5e9d612f [INFO] running `Command { std: "docker" "start" "-a" "74d773f1e290a5d7cefd6ed25d5cdedb92baf108542535eedc7b5edf5e9d612f", kill_on_drop: false }` [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)]` on by default [INFO] [stdout] help: if this is an object-safe 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 an object-safe 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 an object-safe 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 an object-safe 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] [stderr] Compiling xu v0.2.3 (/opt/rustwide/workdir) [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [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)]` on by default [INFO] [stdout] help: if this is an object-safe 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 an object-safe 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 an object-safe 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 an object-safe 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "74d773f1e290a5d7cefd6ed25d5cdedb92baf108542535eedc7b5edf5e9d612f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74d773f1e290a5d7cefd6ed25d5cdedb92baf108542535eedc7b5edf5e9d612f", kill_on_drop: false }` [INFO] [stdout] 74d773f1e290a5d7cefd6ed25d5cdedb92baf108542535eedc7b5edf5e9d612f [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=forbid" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 10e7b412bdaabcea0b1a4692453d4c154a1e86cc11e46b8e2f5b2c5bfdd568db [INFO] running `Command { std: "docker" "start" "-a" "10e7b412bdaabcea0b1a4692453d4c154a1e86cc11e46b8e2f5b2c5bfdd568db", kill_on_drop: false }` [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)]` on by default [INFO] [stderr] help: if this is an object-safe 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 an object-safe 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 an object-safe 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 an object-safe 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)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `xu` (lib) generated 5 warnings (run `cargo fix --lib -p xu` to apply 5 suggestions) [INFO] [stderr] warning: `xu` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xu-011f17d5c9f69c33) [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test agent::tests::crossover_parents ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_same_length_other ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_longer_other ... ok [INFO] [stdout] test agent::tests::mutate ... ok [INFO] [stdout] test agent::tests::new_no_genes ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_shorter_other ... ok [INFO] [stdout] test agent::tests::new_with_genes ... ok [INFO] [stdout] test evolution::tests::run_iterations_nothing_to_do ... ok [INFO] [stdout] test operations::tests::rate_to_number_full_proportion ... ok [INFO] [stdout] test operations::tests::rate_to_number_minimum_preference_greater_than_population ... 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_population_is_zero ... ok [INFO] [stdout] test operations::tests::rate_to_number_rounds_down ... ok [INFO] [stdout] test operations::tests::rate_to_number_standard_proportion ... ok [INFO] [stdout] test population::tests::new_empty ... ok [INFO] [stdout] test operations::tests::selection_highest_score_returns_highest ... ok [INFO] [stdout] test operations::tests::selection_lowest_score_returns_lowest ... ok [INFO] [stdout] test operations::tests::selection_random_any_returns_correct_proportion ... ok [INFO] [stdout] test population::tests::cull_all_below ... ok [INFO] [stdout] test population::tests::new_with_false_unique ... ok [INFO] [stdout] test population::tests::new_with_true_unique ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests xu [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] running `Command { std: "docker" "inspect" "10e7b412bdaabcea0b1a4692453d4c154a1e86cc11e46b8e2f5b2c5bfdd568db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10e7b412bdaabcea0b1a4692453d4c154a1e86cc11e46b8e2f5b2c5bfdd568db", kill_on_drop: false }` [INFO] [stdout] 10e7b412bdaabcea0b1a4692453d4c154a1e86cc11e46b8e2f5b2c5bfdd568db