[INFO] fetching crate evco 0.2.1...
[INFO] testing evco-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate evco 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate evco 0.2.1
[INFO] finished tweaking crates.io crate evco 0.2.1
[INFO] tweaked toml for crates.io crate evco 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate evco 0.2.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddd51dd36374dfbe8f2f8af8c08d1a36f09406b2a06a4cdbfe0193451389930b
[INFO] running `Command { std: "docker" "start" "-a" "ddd51dd36374dfbe8f2f8af8c08d1a36f09406b2a06a4cdbfe0193451389930b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd51dd36374dfbe8f2f8af8c08d1a36f09406b2a06a4cdbfe0193451389930b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd51dd36374dfbe8f2f8af8c08d1a36f09406b2a06a4cdbfe0193451389930b", kill_on_drop: false }`
[INFO] [stdout] ddd51dd36374dfbe8f2f8af8c08d1a36f09406b2a06a4cdbfe0193451389930b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 837c6f76311f0712cd568324e6b4908827c00928e0d3b3ca72b5f4f02eb0ff85
[INFO] running `Command { std: "docker" "start" "-a" "837c6f76311f0712cd568324e6b4908827c00928e0d3b3ca72b5f4f02eb0ff85", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling evco v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn perfect(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                         ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn perfect(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn full(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                      ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn full(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn full_ranged(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                             ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn full_ranged(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:77:31
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn half_and_half(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                               ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn half_and_half(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "837c6f76311f0712cd568324e6b4908827c00928e0d3b3ca72b5f4f02eb0ff85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837c6f76311f0712cd568324e6b4908827c00928e0d3b3ca72b5f4f02eb0ff85", kill_on_drop: false }`
[INFO] [stdout] 837c6f76311f0712cd568324e6b4908827c00928e0d3b3ca72b5f4f02eb0ff85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cd064f6e6a68538a0361ea8cb1e03a16a4d24b752fd8a699797d825506da368
[INFO] running `Command { std: "docker" "start" "-a" "7cd064f6e6a68538a0361ea8cb1e03a16a4d24b752fd8a699797d825506da368", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn perfect(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                         ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn perfect(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn full(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                      ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn full(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn full_ranged(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                             ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn full_ranged(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:77:31
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn half_and_half(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                               ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn half_and_half(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling evco v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> examples/snake.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         (cell_in_direction.x < 0 || cell_in_direction.y < 0 ||
[INFO] [stdout]     |         ^
[INFO] [stdout] 132 |          cell_in_direction.x >= self.size.x || cell_in_direction.y >= self.size.y ||
[INFO] [stdout] 133 |          self.snake.contains(&cell_in_direction))
[INFO] [stdout]     |                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 ~         cell_in_direction.x < 0 || cell_in_direction.y < 0 ||
[INFO] [stdout] 132 |          cell_in_direction.x >= self.size.x || cell_in_direction.y >= self.size.y ||
[INFO] [stdout] 133 ~          self.snake.contains(&cell_in_direction)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn perfect(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                         ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn perfect(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn full(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                      ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn full(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn full_ranged(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                             ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn full_ranged(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gp/tree/gen.rs:77:31
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn half_and_half(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stdout]    |                               ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn half_and_half(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stdout]    |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "7cd064f6e6a68538a0361ea8cb1e03a16a4d24b752fd8a699797d825506da368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd064f6e6a68538a0361ea8cb1e03a16a4d24b752fd8a699797d825506da368", kill_on_drop: false }`
[INFO] [stdout] 7cd064f6e6a68538a0361ea8cb1e03a16a4d24b752fd8a699797d825506da368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9148964fd22236eb5ef290e1bccda29be2f262a043b91ba7ddd6f9950077d5d
[INFO] running `Command { std: "docker" "start" "-a" "a9148964fd22236eb5ef290e1bccda29be2f262a043b91ba7ddd6f9950077d5d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/gp/tree/gen.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn perfect(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stderr]    |                         ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn perfect(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stderr]    |                                                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/gp/tree/gen.rs:50:22
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn full(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stderr]    |                      ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn full(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stderr]    |                                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/gp/tree/gen.rs:63:29
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn full_ranged(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stderr]    |                             ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn full_ranged(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stderr]    |                                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/gp/tree/gen.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn half_and_half(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<R> {
[INFO] [stderr]    |                               ^^^^^^ the lifetime is elided here             ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn half_and_half(rng: &mut R, min_depth: usize, max_depth: usize) -> TreeGen<'_, R> {
[INFO] [stderr]    |                                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `evco` (lib) generated 4 warnings (run `cargo fix --lib -p evco` to apply 4 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> examples/snake.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         (cell_in_direction.x < 0 || cell_in_direction.y < 0 ||
[INFO] [stderr]     |         ^
[INFO] [stderr] 132 |          cell_in_direction.x >= self.size.x || cell_in_direction.y >= self.size.y ||
[INFO] [stderr] 133 |          self.snake.contains(&cell_in_direction))
[INFO] [stderr]     |                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 131 ~         cell_in_direction.x < 0 || cell_in_direction.y < 0 ||
[INFO] [stderr] 132 |          cell_in_direction.x >= self.size.x || cell_in_direction.y >= self.size.y ||
[INFO] [stderr] 133 ~          self.snake.contains(&cell_in_direction)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `evco` (example "snake") generated 1 warning (run `cargo fix --example "snake"` to apply 1 suggestion)
[INFO] [stderr] warning: `evco` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/evco-00a43772e3f62fda)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests evco
[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" "a9148964fd22236eb5ef290e1bccda29be2f262a043b91ba7ddd6f9950077d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9148964fd22236eb5ef290e1bccda29be2f262a043b91ba7ddd6f9950077d5d", kill_on_drop: false }`
[INFO] [stdout] a9148964fd22236eb5ef290e1bccda29be2f262a043b91ba7ddd6f9950077d5d
