[INFO] fetching crate xu 0.2.3... [INFO] testing xu-0.2.3 against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400 [INFO] extracting crate xu 0.2.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate xu 0.2.3 on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "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-6-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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3240694b3077a926b2a53e4aa44ead19c96214b3b014f5df5a4d2881ab02963 [INFO] running `Command { std: "docker" "start" "-a" "a3240694b3077a926b2a53e4aa44ead19c96214b3b014f5df5a4d2881ab02963", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3240694b3077a926b2a53e4aa44ead19c96214b3b014f5df5a4d2881ab02963", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3240694b3077a926b2a53e4aa44ead19c96214b3b014f5df5a4d2881ab02963", kill_on_drop: false }` [INFO] [stdout] a3240694b3077a926b2a53e4aa44ead19c96214b3b014f5df5a4d2881ab02963 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17bc1c547b240aec629cd47ed535fd50a56b2172763122c8efd22fb5227a7984 [INFO] running `Command { std: "docker" "start" "-a" "17bc1c547b240aec629cd47ed535fd50a56b2172763122c8efd22fb5227a7984", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [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 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 1.29s [INFO] running `Command { std: "docker" "inspect" "17bc1c547b240aec629cd47ed535fd50a56b2172763122c8efd22fb5227a7984", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17bc1c547b240aec629cd47ed535fd50a56b2172763122c8efd22fb5227a7984", kill_on_drop: false }` [INFO] [stdout] 17bc1c547b240aec629cd47ed535fd50a56b2172763122c8efd22fb5227a7984 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2f9a4affe48c1b35f799bf0891975f33d13300cac2947d94973d881afe33781 [INFO] running `Command { std: "docker" "start" "-a" "f2f9a4affe48c1b35f799bf0891975f33d13300cac2947d94973d881afe33781", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] [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: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] [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 0.57s [INFO] running `Command { std: "docker" "inspect" "f2f9a4affe48c1b35f799bf0891975f33d13300cac2947d94973d881afe33781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2f9a4affe48c1b35f799bf0891975f33d13300cac2947d94973d881afe33781", kill_on_drop: false }` [INFO] [stdout] f2f9a4affe48c1b35f799bf0891975f33d13300cac2947d94973d881afe33781 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e229c0c5bbdf915b417fbe7b6f4f4e697dfcfffb3aeb4be5fdf0eb759f1902e7 [INFO] running `Command { std: "docker" "start" "-a" "e229c0c5bbdf915b417fbe7b6f4f4e697dfcfffb3aeb4be5fdf0eb759f1902e7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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 0.02s [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::new_no_genes ... ok [INFO] [stdout] test agent::tests::mutate ... ok [INFO] [stdout] test agent::tests::crossover_some_genes_shorter_other ... 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::crossover_some_genes_same_length_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 population::tests::cull_all_below ... ok [INFO] [stdout] test operations::tests::selection_random_any_returns_correct_proportion ... 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" "e229c0c5bbdf915b417fbe7b6f4f4e697dfcfffb3aeb4be5fdf0eb759f1902e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e229c0c5bbdf915b417fbe7b6f4f4e697dfcfffb3aeb4be5fdf0eb759f1902e7", kill_on_drop: false }` [INFO] [stdout] e229c0c5bbdf915b417fbe7b6f4f4e697dfcfffb3aeb4be5fdf0eb759f1902e7 [INFO] testing xu-0.2.3 against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400 [INFO] extracting crate xu 0.2.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate xu 0.2.3 on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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-6-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" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5836a8c02858d6d298ae902ff3584db9972cd369e8e7d1f2190d41b8e9b7b428 [INFO] running `Command { std: "docker" "start" "-a" "5836a8c02858d6d298ae902ff3584db9972cd369e8e7d1f2190d41b8e9b7b428", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5836a8c02858d6d298ae902ff3584db9972cd369e8e7d1f2190d41b8e9b7b428", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5836a8c02858d6d298ae902ff3584db9972cd369e8e7d1f2190d41b8e9b7b428", kill_on_drop: false }` [INFO] [stdout] 5836a8c02858d6d298ae902ff3584db9972cd369e8e7d1f2190d41b8e9b7b428 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8be38dc9bc643cc326a97ce551ddca7dc928f9ffb015e459205f1e80b79875b [INFO] running `Command { std: "docker" "start" "-a" "c8be38dc9bc643cc326a97ce551ddca7dc928f9ffb015e459205f1e80b79875b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac 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 1.25s [INFO] running `Command { std: "docker" "inspect" "c8be38dc9bc643cc326a97ce551ddca7dc928f9ffb015e459205f1e80b79875b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8be38dc9bc643cc326a97ce551ddca7dc928f9ffb015e459205f1e80b79875b", kill_on_drop: false }` [INFO] [stdout] c8be38dc9bc643cc326a97ce551ddca7dc928f9ffb015e459205f1e80b79875b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca98f2fd79a84d66a3aea6f45d1548e98096c69b980542b394dfce580dd405bf [INFO] running `Command { std: "docker" "start" "-a" "ca98f2fd79a84d66a3aea6f45d1548e98096c69b980542b394dfce580dd405bf", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] [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 0.65s [INFO] running `Command { std: "docker" "inspect" "ca98f2fd79a84d66a3aea6f45d1548e98096c69b980542b394dfce580dd405bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca98f2fd79a84d66a3aea6f45d1548e98096c69b980542b394dfce580dd405bf", kill_on_drop: false }` [INFO] [stdout] ca98f2fd79a84d66a3aea6f45d1548e98096c69b980542b394dfce580dd405bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1dab67fdb664c77cfa9c7ae774f7cf4ce6bf7de9892591744a7fe8755c011f18 [INFO] running `Command { std: "docker" "start" "-a" "1dab67fdb664c77cfa9c7ae774f7cf4ce6bf7de9892591744a7fe8755c011f18", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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_some_genes_same_length_other ... 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::crossover_some_genes_shorter_other ... ok [INFO] [stdout] test agent::tests::new_no_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 agent::tests::new_with_genes ... ok [INFO] [stdout] test agent::tests::mutate ... 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 operations::tests::rate_to_number_standard_proportion ... ok [INFO] [stdout] test operations::tests::rate_to_number_population_is_zero ... ok [INFO] [stdout] test population::tests::new_empty ... ok [INFO] [stdout] test operations::tests::selection_highest_score_returns_highest ... ok [INFO] [stdout] test population::tests::new_with_false_unique ... ok [INFO] [stdout] test operations::tests::selection_random_any_returns_correct_proportion ... ok [INFO] [stdout] test population::tests::new_with_true_unique ... ok [INFO] [stdout] test population::tests::cull_all_below ... ok [INFO] [stdout] test operations::tests::selection_lowest_score_returns_lowest ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- operations::tests::selection_lowest_score_returns_lowest stdout ---- [INFO] [stdout] thread 'operations::tests::selection_lowest_score_returns_lowest' panicked at src/operations.rs:417:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: 2 [INFO] [stdout] right: 1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561c673304c5 - std::backtrace_rs::backtrace::libunwind::trace::h644651cb29d88bb0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x561c673304c5 - std::backtrace_rs::backtrace::trace_unsynchronized::h4f227a4714c93f22 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x561c673304c5 - std::sys::backtrace::_print_fmt::hfe88767e38ff4b4e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x561c673304c5 - ::fmt::h0e27af9f1d310e0a [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x561c6735728b - core::fmt::rt::Argument::fmt::h900f10175a69b72e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x561c6735728b - core::fmt::write::h3a97e76bd9b733fa [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x561c6732d93f - std::io::Write::write_fmt::he4611995baa28da3 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x561c67331ce1 - std::sys::backtrace::BacktraceLock::print::h52f15558f43bfe2f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x561c67331ce1 - std::panicking::default_hook::{{closure}}::h77edc81607b06015 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x561c67331888 - std::panicking::default_hook::h4a889c281e863e6e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x561c672d6d2a - as core::ops::function::Fn>::call::h87ae598a6618f03f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 11: 0x561c672d6d2a - test::test_main::{{closure}}::haa35c2695dfcc048 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x561c673325ef - as core::ops::function::Fn>::call::h0934a01d4a1cdb06 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 13: 0x561c673325ef - std::panicking::rust_panic_with_hook::h74d8fff54c965152 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x561c67332217 - std::panicking::begin_panic_handler::{{closure}}::h82b61517a14ab3ae [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x561c67330989 - std::sys::backtrace::__rust_end_short_backtrace::h7f24a51d7748d3e4 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x561c67331ea4 - rust_begin_unwind [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x561c67355ca3 - core::panicking::panic_fmt::h7de3a20d92caa6a2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x561c67355f8e - core::panicking::assert_failed_inner::hb4e1d95e5f1c8b95 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panicking.rs:412:17 [INFO] [stdout] 19: 0x561c672fbc8e - core::panicking::assert_failed::h72c101d0375a7d58 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panicking.rs:367:5 [INFO] [stdout] 20: 0x561c672953dc - xu::operations::tests::selection_lowest_score_returns_lowest::h905697ee4c4a9be5 [INFO] [stdout] at /opt/rustwide/workdir/src/operations.rs:417:9 [INFO] [stdout] 21: 0x561c67295217 - xu::operations::tests::selection_lowest_score_returns_lowest::{{closure}}::h315508fdae3048fd [INFO] [stdout] at /opt/rustwide/workdir/src/operations.rs:411:47 [INFO] [stdout] 22: 0x561c672961e6 - core::ops::function::FnOnce::call_once::h04daafd71860833c [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x561c672db8ab - core::ops::function::FnOnce::call_once::h24a6f01be65f4680 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x561c672db8ab - test::__rust_begin_short_backtrace::h7c53016b80d5a608 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x561c672db0c5 - test::run_test_in_process::{{closure}}::hde6a274ce897aaad [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x561c672db0c5 - as core::ops::function::FnOnce<()>>::call_once::hd431ac2f54963786 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x561c672db0c5 - std::panicking::try::do_call::h10362e01a063baa0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x561c672db0c5 - std::panicking::try::h30318180e4290dce [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x561c672db0c5 - std::panic::catch_unwind::h97d52b1b1f400ecc [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x561c672db0c5 - test::run_test_in_process::haec7bb1f728b765d [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x561c672db0c5 - test::run_test::{{closure}}::ha988a53ee25f80e1 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x561c672a0994 - test::run_test::{{closure}}::hddc4d91f14475af0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x561c672a0994 - std::sys::backtrace::__rust_begin_short_backtrace::h550bd80387fd32b0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x561c672a40c2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0907e6530d89c432 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:524:17 [INFO] [stdout] 35: 0x561c672a40c2 - as core::ops::function::FnOnce<()>>::call_once::h1426168782d20988 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x561c672a40c2 - std::panicking::try::do_call::h9e10c7df8de701e0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x561c672a40c2 - std::panicking::try::hc0169bb633716dc9 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x561c672a40c2 - std::panic::catch_unwind::h2d365a7fbba378ff [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x561c672a40c2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h99b3d5b0eb8d8349 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:523:30 [INFO] [stdout] 40: 0x561c672a40c2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h785f99837c772588 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x561c6733686b - as core::ops::function::FnOnce>::call_once::h9d8f2204f4fcbe73 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 42: 0x561c6733686b - as core::ops::function::FnOnce>::call_once::h817ffd7b41f007e2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 43: 0x561c6733686b - std::sys::pal::unix::thread::Thread::new::thread_start::hfffda88b0cd3e69f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7fa8536b5ac3 - [INFO] [stdout] 45: 0x7fa853746a04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] operations::tests::selection_lowest_score_returns_lowest [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" "1dab67fdb664c77cfa9c7ae774f7cf4ce6bf7de9892591744a7fe8755c011f18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dab67fdb664c77cfa9c7ae774f7cf4ce6bf7de9892591744a7fe8755c011f18", kill_on_drop: false }` [INFO] [stdout] 1dab67fdb664c77cfa9c7ae774f7cf4ce6bf7de9892591744a7fe8755c011f18