[INFO] fetching crate genetic 0.2.1... [INFO] testing genetic-0.2.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate genetic 0.2.1 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate genetic 0.2.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate genetic 0.2.1 [INFO] finished tweaking crates.io crate genetic 0.2.1 [INFO] tweaked toml for crates.io crate genetic 0.2.1 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5af1caa0b6118cb54719fce5ee9ee6f9caffe20bdfb74bb775e172f3c1106d4 [INFO] running `Command { std: "docker" "start" "-a" "b5af1caa0b6118cb54719fce5ee9ee6f9caffe20bdfb74bb775e172f3c1106d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5af1caa0b6118cb54719fce5ee9ee6f9caffe20bdfb74bb775e172f3c1106d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5af1caa0b6118cb54719fce5ee9ee6f9caffe20bdfb74bb775e172f3c1106d4", kill_on_drop: false }` [INFO] [stdout] b5af1caa0b6118cb54719fce5ee9ee6f9caffe20bdfb74bb775e172f3c1106d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f77b89c698f1b5ccddc4ec69cee6b570f49cd2f6888937c6ccc372d7521a5db [INFO] running `Command { std: "docker" "start" "-a" "8f77b89c698f1b5ccddc4ec69cee6b570f49cd2f6888937c6ccc372d7521a5db", kill_on_drop: false }` [INFO] [stderr] Compiling genetic v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | evaluator: &'a mut Evaluator, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:23:22 [INFO] [stdout] | [INFO] [stdout] 23 | reproducer: &'b mut Reproducer, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:33:32 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:33:66 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `universe::Universe` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use universe::Universe; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutation_rate` [INFO] [stdout] --> src/lib.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | fn mutate(&mut self, mutation_rate: f32) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutation_rate` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `population` [INFO] [stdout] --> src/lib.rs:131:28 [INFO] [stdout] | [INFO] [stdout] 131 | fn measure_fitness(&self, population: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `population` [INFO] [stdout] --> src/lib.rs:150:22 [INFO] [stdout] | [INFO] [stdout] 150 | fn reproduce(&self, population: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pop_limit` [INFO] [stdout] --> src/universe.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 26 | pop_limit: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_genome` [INFO] [stdout] --> src/lib.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn from_genome(genome: &Vec) -> LittleAnimal { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn new() -> NaturalSelection { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn new() -> NaturalReproduction { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "8f77b89c698f1b5ccddc4ec69cee6b570f49cd2f6888937c6ccc372d7521a5db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f77b89c698f1b5ccddc4ec69cee6b570f49cd2f6888937c6ccc372d7521a5db", kill_on_drop: false }` [INFO] [stdout] 8f77b89c698f1b5ccddc4ec69cee6b570f49cd2f6888937c6ccc372d7521a5db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84a761970978775f1c401ff418433f3d73b4c265499d6195dd3ffe8462d68d5d [INFO] running `Command { std: "docker" "start" "-a" "84a761970978775f1c401ff418433f3d73b4c265499d6195dd3ffe8462d68d5d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | evaluator: &'a mut Evaluator, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:23:22 [INFO] [stdout] | [INFO] [stdout] 23 | reproducer: &'b mut Reproducer, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:33:32 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:33:66 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `universe::Universe` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use universe::Universe; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutation_rate` [INFO] [stdout] --> src/lib.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | fn mutate(&mut self, mutation_rate: f32) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutation_rate` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling genetic v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `population` [INFO] [stdout] --> src/lib.rs:131:28 [INFO] [stdout] | [INFO] [stdout] 131 | fn measure_fitness(&self, population: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `population` [INFO] [stdout] --> src/lib.rs:150:22 [INFO] [stdout] | [INFO] [stdout] 150 | fn reproduce(&self, population: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pop_limit` [INFO] [stdout] --> src/universe.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 26 | pop_limit: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_genome` [INFO] [stdout] --> src/lib.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn from_genome(genome: &Vec) -> LittleAnimal { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn new() -> NaturalSelection { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn new() -> NaturalReproduction { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | evaluator: &'a mut Evaluator, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:23:22 [INFO] [stdout] | [INFO] [stdout] 23 | reproducer: &'b mut Reproducer, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:33:32 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/universe.rs:33:66 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutation_rate` [INFO] [stdout] --> src/lib.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | fn mutate(&mut self, mutation_rate: f32) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutation_rate` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `population` [INFO] [stdout] --> src/lib.rs:131:28 [INFO] [stdout] | [INFO] [stdout] 131 | fn measure_fitness(&self, population: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `population` [INFO] [stdout] --> src/lib.rs:150:22 [INFO] [stdout] | [INFO] [stdout] 150 | fn reproduce(&self, population: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pop_limit` [INFO] [stdout] --> src/universe.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 26 | pop_limit: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "84a761970978775f1c401ff418433f3d73b4c265499d6195dd3ffe8462d68d5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84a761970978775f1c401ff418433f3d73b4c265499d6195dd3ffe8462d68d5d", kill_on_drop: false }` [INFO] [stdout] 84a761970978775f1c401ff418433f3d73b4c265499d6195dd3ffe8462d68d5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bfb7dd0b556bdc40dd4b8c8c0abcd358c7f10580c5ebb32d99cb766a893a9efa [INFO] running `Command { std: "docker" "start" "-a" "bfb7dd0b556bdc40dd4b8c8c0abcd358c7f10580c5ebb32d99cb766a893a9efa", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | evaluator: &'a mut Evaluator, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:23:22 [INFO] [stderr] | [INFO] [stderr] 23 | reproducer: &'b mut Reproducer, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:33:32 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:33:66 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: unused import: `universe::Universe` [INFO] [stderr] --> src/lib.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use universe::Universe; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mutation_rate` [INFO] [stderr] --> src/lib.rs:63:23 [INFO] [stderr] | [INFO] [stderr] 63 | fn mutate(&mut self, mutation_rate: f32) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutation_rate` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/lib.rs:131:28 [INFO] [stderr] | [INFO] [stderr] 131 | fn measure_fitness(&self, population: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/lib.rs:150:22 [INFO] [stderr] | [INFO] [stderr] 150 | fn reproduce(&self, population: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pop_limit` [INFO] [stderr] --> src/universe.rs:26:2 [INFO] [stderr] | [INFO] [stderr] 26 | pop_limit: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `from_genome` [INFO] [stderr] --> src/lib.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn from_genome(genome: &Vec) -> LittleAnimal { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/lib.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | pub fn new() -> NaturalSelection { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/lib.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 142 | pub fn new() -> NaturalReproduction { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `genetic` (lib) generated 12 warnings [INFO] [stderr] warning: `genetic` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/genetic-251162f0b53a5f9f) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] Doc-tests genetic [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" "bfb7dd0b556bdc40dd4b8c8c0abcd358c7f10580c5ebb32d99cb766a893a9efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfb7dd0b556bdc40dd4b8c8c0abcd358c7f10580c5ebb32d99cb766a893a9efa", kill_on_drop: false }` [INFO] [stdout] bfb7dd0b556bdc40dd4b8c8c0abcd358c7f10580c5ebb32d99cb766a893a9efa