[INFO] fetching crate genetic 0.2.1... [INFO] testing genetic-0.2.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate genetic 0.2.1 into /workspace/builds/worker-1-tc1/source [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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate genetic 0.2.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4444cd87b008c2138b36ac26f5cacb3136d2be21c834475cf8b94c35d848a681 [INFO] running `Command { std: "docker" "start" "-a" "4444cd87b008c2138b36ac26f5cacb3136d2be21c834475cf8b94c35d848a681", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4444cd87b008c2138b36ac26f5cacb3136d2be21c834475cf8b94c35d848a681", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4444cd87b008c2138b36ac26f5cacb3136d2be21c834475cf8b94c35d848a681", kill_on_drop: false }` [INFO] [stdout] 4444cd87b008c2138b36ac26f5cacb3136d2be21c834475cf8b94c35d848a681 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbc1e16fa13af32cc9430e1fecfc37be1fd6dcee809bf6a690493a59374391a4 [INFO] running `Command { std: "docker" "start" "-a" "bbc1e16fa13af32cc9430e1fecfc37be1fd6dcee809bf6a690493a59374391a4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling genetic v0.2.1 (/opt/rustwide/workdir) [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)]` (part of `#[warn(unused)]`) on by default [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] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | evaluator: &'a mut dyn Evaluator, [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | reproducer: &'b mut dyn Reproducer, [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut dyn Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut dyn Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | +++ [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)]` (part of `#[warn(unused)]`) 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: struct `LittleAnimal` is never constructed [INFO] [stdout] --> src/lib.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct LittleAnimal { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_genome` is never used [INFO] [stdout] --> src/lib.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 36 | impl LittleAnimal { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 37 | [INFO] [stdout] 38 | pub fn from_genome(genome: &Vec) -> LittleAnimal { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NaturalSelection` is never constructed [INFO] [stdout] --> src/lib.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 119 | struct NaturalSelection; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 121 | impl NaturalSelection { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 122 | [INFO] [stdout] 123 | pub fn new() -> NaturalSelection { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NaturalReproduction` is never constructed [INFO] [stdout] --> src/lib.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | struct NaturalReproduction; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 140 | impl NaturalReproduction { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 141 | [INFO] [stdout] 142 | pub fn new() -> NaturalReproduction { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pop_limit` is never read [INFO] [stdout] --> src/universe.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Universe<'a, 'b, T: Evaluable + Mutable + Ord + PartialOrd + Clone + ToString> { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pop_limit: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "bbc1e16fa13af32cc9430e1fecfc37be1fd6dcee809bf6a690493a59374391a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbc1e16fa13af32cc9430e1fecfc37be1fd6dcee809bf6a690493a59374391a4", kill_on_drop: false }` [INFO] [stdout] bbc1e16fa13af32cc9430e1fecfc37be1fd6dcee809bf6a690493a59374391a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b5c6c077a88831ba52de072b276e90a90c38577e21d8ff960cd1a3522d1e0c1 [INFO] running `Command { std: "docker" "start" "-a" "4b5c6c077a88831ba52de072b276e90a90c38577e21d8ff960cd1a3522d1e0c1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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)]` (part of `#[warn(unused)]`) on by default [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] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | evaluator: &'a mut dyn Evaluator, [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | reproducer: &'b mut dyn Reproducer, [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut dyn Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut dyn Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | +++ [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)]` (part of `#[warn(unused)]`) 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: struct `LittleAnimal` is never constructed [INFO] [stdout] --> src/lib.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct LittleAnimal { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_genome` is never used [INFO] [stdout] --> src/lib.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 36 | impl LittleAnimal { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 37 | [INFO] [stdout] 38 | pub fn from_genome(genome: &Vec) -> LittleAnimal { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NaturalSelection` is never constructed [INFO] [stdout] --> src/lib.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 119 | struct NaturalSelection; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 121 | impl NaturalSelection { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 122 | [INFO] [stdout] 123 | pub fn new() -> NaturalSelection { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NaturalReproduction` is never constructed [INFO] [stdout] --> src/lib.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | struct NaturalReproduction; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 140 | impl NaturalReproduction { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 141 | [INFO] [stdout] 142 | pub fn new() -> NaturalReproduction { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling genetic v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `pop_limit` is never read [INFO] [stdout] --> src/universe.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Universe<'a, 'b, T: Evaluable + Mutable + Ord + PartialOrd + Clone + ToString> { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pop_limit: usize, [INFO] [stdout] | ^^^^^^^^^ [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] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | evaluator: &'a mut dyn Evaluator, [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | reproducer: &'b mut dyn Reproducer, [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut dyn Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | +++ [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut dyn Reproducer) -> Universe<'a, 'b, T> { [INFO] [stdout] | +++ [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)]` (part of `#[warn(unused)]`) 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 `pop_limit` is never read [INFO] [stdout] --> src/universe.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Universe<'a, 'b, T: Evaluable + Mutable + Ord + PartialOrd + Clone + ToString> { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pop_limit: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "4b5c6c077a88831ba52de072b276e90a90c38577e21d8ff960cd1a3522d1e0c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b5c6c077a88831ba52de072b276e90a90c38577e21d8ff960cd1a3522d1e0c1", kill_on_drop: false }` [INFO] [stdout] 4b5c6c077a88831ba52de072b276e90a90c38577e21d8ff960cd1a3522d1e0c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6c8d9018ffe22d9b4e028c849e78edf36fe3f01c32c2e71b6433ee7247b98222 [INFO] running `Command { std: "docker" "start" "-a" "6c8d9018ffe22d9b4e028c849e78edf36fe3f01c32c2e71b6433ee7247b98222", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [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] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 22 | evaluator: &'a mut dyn Evaluator, [INFO] [stderr] | +++ [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] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 23 | reproducer: &'b mut dyn Reproducer, [INFO] [stderr] | +++ [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] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 33 | pub fn new(evaluator: &'a mut dyn Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stderr] | +++ [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] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut dyn Reproducer) -> Universe<'a, 'b, T> { [INFO] [stderr] | +++ [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)]` (part of `#[warn(unused)]`) 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: struct `LittleAnimal` is never constructed [INFO] [stderr] --> src/lib.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | struct LittleAnimal { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `from_genome` is never used [INFO] [stderr] --> src/lib.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 36 | impl LittleAnimal { [INFO] [stderr] | ----------------- associated function in this implementation [INFO] [stderr] 37 | [INFO] [stderr] 38 | pub fn from_genome(genome: &Vec) -> LittleAnimal { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `NaturalSelection` is never constructed [INFO] [stderr] --> src/lib.rs:119:8 [INFO] [stderr] | [INFO] [stderr] 119 | struct NaturalSelection; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/lib.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 121 | impl NaturalSelection { [INFO] [stderr] | --------------------- associated function in this implementation [INFO] [stderr] 122 | [INFO] [stderr] 123 | pub fn new() -> NaturalSelection { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `NaturalReproduction` is never constructed [INFO] [stderr] --> src/lib.rs:138:8 [INFO] [stderr] | [INFO] [stderr] 138 | struct NaturalReproduction; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/lib.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 140 | impl NaturalReproduction { [INFO] [stderr] | ------------------------ associated function in this implementation [INFO] [stderr] 141 | [INFO] [stderr] 142 | pub fn new() -> NaturalReproduction { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: field `pop_limit` is never read [INFO] [stderr] --> src/universe.rs:26:2 [INFO] [stderr] | [INFO] [stderr] 19 | pub struct Universe<'a, 'b, T: Evaluable + Mutable + Ord + PartialOrd + Clone + ToString> { [INFO] [stderr] | -------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 26 | pop_limit: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `genetic` (lib) generated 15 warnings (run `cargo fix --lib -p genetic` to apply 5 suggestions) [INFO] [stderr] warning: field `pop_limit` is never read [INFO] [stderr] --> src/universe.rs:26:2 [INFO] [stderr] | [INFO] [stderr] 19 | pub struct Universe<'a, 'b, T: Evaluable + Mutable + Ord + PartialOrd + Clone + ToString> { [INFO] [stderr] | -------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 26 | pop_limit: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `genetic` (lib test) generated 8 warnings (7 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/genetic-a90d8fef3ae39a7a) [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 0.03s [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" "6c8d9018ffe22d9b4e028c849e78edf36fe3f01c32c2e71b6433ee7247b98222", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c8d9018ffe22d9b4e028c849e78edf36fe3f01c32c2e71b6433ee7247b98222", kill_on_drop: false }` [INFO] [stdout] 6c8d9018ffe22d9b4e028c849e78edf36fe3f01c32c2e71b6433ee7247b98222