[INFO] updating cached repository https://github.com/Tomcc/orbit_optimizer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31caa4745a0ba2fc3d9cd9b80beaf5f88e0044d1
[INFO] checking Tomcc/orbit_optimizer against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomcc%2Forbit_optimizer" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tomcc/orbit_optimizer on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Tomcc/orbit_optimizer
[INFO] finished tweaking git repo https://github.com/Tomcc/orbit_optimizer
[INFO] tweaked toml for git repo https://github.com/Tomcc/orbit_optimizer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Tomcc/orbit_optimizer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18deed44fdc68329f78e745c428e6b43aaed22c01c1c06c235f97d1cec2a843c
[INFO] running `"docker" "start" "-a" "18deed44fdc68329f78e745c428e6b43aaed22c01c1c06c235f97d1cec2a843c"`
[INFO] [stderr]     Checking gnuplot v0.0.34
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking optimize_orbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `cgmath::Vector`, `cgmath::EuclideanVector`
[INFO] [stderr]  --> src/main.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | use cgmath::{Vector, Vector2, EuclideanVector};
[INFO] [stderr]   |              ^^^^^^           ^^^^^^^^^^^^^^^ no `EuclideanVector` in the root
[INFO] [stderr]   |              |
[INFO] [stderr]   |              no `Vector` in the root
[INFO] [stderr]   |              help: a similar name exists in the module (notice the capitalization): `vector`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:299:22
[INFO] [stderr]     |
[INFO] [stderr] 299 |                 a_points.push((trajectory.control_angle * RADDEG * 1000.));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `cgmath::Vector`, `cgmath::EuclideanVector`
[INFO] [stderr]  --> src/main.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | use cgmath::{Vector, Vector2, EuclideanVector};
[INFO] [stderr]   |              ^^^^^^           ^^^^^^^^^^^^^^^ no `EuclideanVector` in the root
[INFO] [stderr]   |              |
[INFO] [stderr]   |              no `Vector` in the root
[INFO] [stderr]   |              help: a similar name exists in the module (notice the capitalization): `vector`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:299:22
[INFO] [stderr]     |
[INFO] [stderr] 299 |                 a_points.push((trajectory.control_angle * RADDEG * 1000.));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length2` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]   --> src/main.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let d2 = dist.length2();
[INFO] [stderr]    |                   ^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `normalize` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:23:15
[INFO] [stderr]     |
[INFO] [stderr] 23  |     let n = dist.normalize();
[INFO] [stderr]     |                  ^^^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/structure.rs:261:8
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn normalize(self) -> Self {
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 5   | use cgmath::InnerSpace;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]   --> src/main.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |     (pos - PLANET_CENTER).length() - PLANET_RADIUS
[INFO] [stderr]    |                           ^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `normalize` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:43:24
[INFO] [stderr]     |
[INFO] [stderr] 43  |     (PLANET_CENTER - pos).normalize()
[INFO] [stderr]     |                           ^^^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/structure.rs:261:8
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn normalize(self) -> Self {
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 5   | use cgmath::InnerSpace;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]   --> src/main.rs:73:48
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let t = (twr * self.mass() * gravity_at(pos).length()) / self.max_thrust;
[INFO] [stderr]    |                                                      ^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length2` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]   --> src/main.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let d2 = dist.length2();
[INFO] [stderr]    |                   ^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `normalize` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:23:15
[INFO] [stderr]     |
[INFO] [stderr] 23  |     let n = dist.normalize();
[INFO] [stderr]     |                  ^^^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/structure.rs:261:8
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn normalize(self) -> Self {
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 5   | use cgmath::InnerSpace;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]   --> src/main.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |     (pos - PLANET_CENTER).length() - PLANET_RADIUS
[INFO] [stderr]    |                           ^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `normalize` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:43:24
[INFO] [stderr]     |
[INFO] [stderr] 43  |     (PLANET_CENTER - pos).normalize()
[INFO] [stderr]     |                           ^^^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/structure.rs:261:8
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn normalize(self) -> Self {
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 5   | use cgmath::InnerSpace;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dot` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:215:21
[INFO] [stderr]     |
[INFO] [stderr] 215 |         down_at(self.pos).dot(self.vel)
[INFO] [stderr]     |                           ^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/structure.rs:230:8
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn dot(self, other: Self) -> Self::Scalar;
[INFO] [stderr]     |        ---
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 5   | use cgmath::InnerSpace;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length2` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:224:26
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let drag = if self.vel.length2() > 0. && false /*HACK*/ {
[INFO] [stderr]     |                                ^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]   --> src/main.rs:73:48
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let t = (twr * self.mass() * gravity_at(pos).length()) / self.max_thrust;
[INFO] [stderr]    |                                                      ^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:225:21
[INFO] [stderr]     |
[INFO] [stderr] 225 |             let V = self.vel.length();
[INFO] [stderr]     |                              ^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `normalize` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:230:14
[INFO] [stderr]     |
[INFO] [stderr] 230 |             -self.vel.normalize() * d
[INFO] [stderr]     |                       ^^^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/structure.rs:261:8
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn normalize(self) -> Self {
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 5   | use cgmath::InnerSpace;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for struct `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/main.rs:417:18
[INFO] [stderr]     |
[INFO] [stderr] 417 |                 thread_rng().choose(&closest[1..mating_pool_size+1]).unwrap().1
[INFO] [stderr]     |                              ^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for struct `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/main.rs:425:68
[INFO] [stderr]     |
[INFO] [stderr] 425 |         if gen_since_last_best > catastrophe_generations && thread_rng().gen_weighted_bool(catastrophe_generations) {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error[E0599]: no method named `dot` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:215:21
[INFO] [stderr]     |
[INFO] [stderr] 215 |         down_at(self.pos).dot(self.vel)
[INFO] [stderr]     |                           ^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/structure.rs:230:8
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn dot(self, other: Self) -> Self::Scalar;
[INFO] [stderr]     |        ---
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 5   | use cgmath::InnerSpace;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length2` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:224:26
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let drag = if self.vel.length2() > 0. && false /*HACK*/ {
[INFO] [stderr]     |                                ^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `length` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:225:21
[INFO] [stderr]     |
[INFO] [stderr] 225 |             let V = self.vel.length();
[INFO] [stderr]     |                              ^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `normalize` found for struct `cgmath::Vector2<f64>` in the current scope
[INFO] [stderr]    --> src/main.rs:230:14
[INFO] [stderr]     |
[INFO] [stderr] 230 |             -self.vel.normalize() * d
[INFO] [stderr]     |                       ^^^^^^^^^ method not found in `cgmath::Vector2<f64>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/structure.rs:261:8
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn normalize(self) -> Self {
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<cgmath::Vector2<f64>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 5   | use cgmath::InnerSpace;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `optimize_orbit`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `choose` found for struct `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/main.rs:417:18
[INFO] [stderr]     |
[INFO] [stderr] 417 |                 thread_rng().choose(&closest[1..mating_pool_size+1]).unwrap().1
[INFO] [stderr]     |                              ^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for struct `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/main.rs:425:68
[INFO] [stderr]     |
[INFO] [stderr] 425 |         if gen_since_last_best > catastrophe_generations && thread_rng().gen_weighted_bool(catastrophe_generations) {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `optimize_orbit`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "18deed44fdc68329f78e745c428e6b43aaed22c01c1c06c235f97d1cec2a843c"`
[INFO] running `"docker" "rm" "-f" "18deed44fdc68329f78e745c428e6b43aaed22c01c1c06c235f97d1cec2a843c"`
[INFO] [stdout] 18deed44fdc68329f78e745c428e6b43aaed22c01c1c06c235f97d1cec2a843c
