[INFO] updating cached repository nsmryan/rgep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nsmryan/rgep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nsmryan/rgep" "work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/rgep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/rgep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nsmryan/rgep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsmryan/rgep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsmryan/rgep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee10ffe2fc25fa526b6ae976672317abb3e66b47
[INFO] sha for GitHub repo nsmryan/rgep: ee10ffe2fc25fa526b6ae976672317abb3e66b47
[INFO] validating manifest of nsmryan/rgep on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nsmryan/rgep on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nsmryan/rgep
[INFO] finished frobbing nsmryan/rgep
[INFO] frobbed toml for nsmryan/rgep written to work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/rgep/Cargo.toml
[INFO] started frobbing nsmryan/rgep
[INFO] finished frobbing nsmryan/rgep
[INFO] frobbed toml for nsmryan/rgep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsmryan/rgep/Cargo.toml
[INFO] crate nsmryan/rgep already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nsmryan/rgep against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/rgep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9e2ce97cca1427468fafcabb8688a5ea98b6d2ed9141656c21bef236eee6d54c
[INFO] running `"docker" "start" "-a" "9e2ce97cca1427468fafcabb8688a5ea98b6d2ed9141656c21bef236eee6d54c"`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling im v12.3.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling statrs v0.10.0
[INFO] [stderr]    Compiling rgep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ops::*`
[INFO] [stderr]   --> src/types.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use ops::*;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub type EvalFunction<A, B, R> = Fn(&Program<A, B>, &mut B, &mut R) -> f64;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Program<A, B>, &mut B, &mut R) -> f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/types.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |     pub fun: Rc<Fn(&mut Vec<A>, &mut B)>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/types.rs:263:52
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub fn new(name: String, arity: Arity, fun: Rc<Fn(&mut Vec<A>, &mut B)>) -> Sym<A, B> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::*`
[INFO] [stderr]  --> src/point_mutation.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ops::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:220:15
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:230:15
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:240:15
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:250:15
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:260:15
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:269:15
[INFO] [stderr]     |
[INFO] [stderr] 269 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:321:15
[INFO] [stderr]     |
[INFO] [stderr] 321 |     let f: Rc<Fn(&mut Vec<A>, &mut B)> = Rc::new(move |stack, _context| {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:327:44
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn make_binary<A, B>(name: &str, f: Rc<Fn(A, A) -> A>) -> Sym<A, B>
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(A, A) -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:329:15
[INFO] [stderr]     |
[INFO] [stderr] 329 |     let f: Rc<Fn(&mut Vec<A>, &mut B)> = Rc::new(move |stack, _context| {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:337:43
[INFO] [stderr]     |
[INFO] [stderr] 337 | pub fn make_unary<A, B>(name: &str, f: Rc<Fn(A) -> A>) -> Sym<A, B>
[INFO] [stderr]     |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Fn(A) -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:339:15
[INFO] [stderr]     |
[INFO] [stderr] 339 |     let f: Rc<Fn(&mut Vec<A>, &mut B)> = Rc::new(move |stack, _context| {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:432:15
[INFO] [stderr]     |
[INFO] [stderr] 432 |     let f: Rc<Fn(&mut Vec<A>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:442:15
[INFO] [stderr]     |
[INFO] [stderr] 442 |     let f: Rc<Fn(&mut Vec<Node<A, B>>, &mut B)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Node<A, B>>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:478:15
[INFO] [stderr]     |
[INFO] [stderr] 478 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:487:15
[INFO] [stderr]     |
[INFO] [stderr] 487 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:495:15
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:504:15
[INFO] [stderr]     |
[INFO] [stderr] 504 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:512:15
[INFO] [stderr]     |
[INFO] [stderr] 512 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:520:15
[INFO] [stderr]     |
[INFO] [stderr] 520 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:532:15
[INFO] [stderr]     |
[INFO] [stderr] 532 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/evaluation.rs:43:30
[INFO] [stderr]    |
[INFO] [stderr] 43 |                       eval: &Fn(&Ind, &mut R) -> f64,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Ind, &mut R) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:26
[INFO] [stderr]    |
[INFO] [stderr] 79 |                   eval: &Fn(&Ind, &mut R) -> f64,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Ind, &mut R) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]    --> src/types.rs:174:47
[INFO] [stderr]     |
[INFO] [stderr] 174 |     pub fn create_fast<A, B>(params: &Params, context: &Context<A, B>) -> Pop 
[INFO] [stderr]     |                                               ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bits_per_sym`
[INFO] [stderr]   --> src/crossover.rs:74:59
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn cross_at_points_im(pair: (Vector<u8>, Vector<u8>), bits_per_sym: usize, cross_points: &[usize]) -> (Vector<u8>, Vector<u8>) {
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_bits_per_sym`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/ops.rs:535:17
[INFO] [stderr]     |
[INFO] [stderr] 535 |             let arg = stack.pop().unwrap();
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/selection.rs:43:45
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let prob_indices = (0..tourn_size).map(|index| prob * (1.0 - prob).pow(tourn_size as i32)).collect::<Vec<f64>>();
[INFO] [stderr]    |                                             ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_inds`
[INFO] [stderr]    --> src/selection.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let num_inds = pop.0.len();
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_num_inds`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fitness`
[INFO] [stderr]  --> src/evaluation.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let (index, fitness) = 
[INFO] [stderr]   |                 ^^^^^^^ help: consider prefixing with an underscore: `_fitness`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/main.rs:83:42
[INFO] [stderr]    |
[INFO] [stderr] 83 |         &move |prog: &Program<u32, u32>, state: &mut u32, _r: &mut ThreadRng| -> f64 {
[INFO] [stderr]    |                                          ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fittest`
[INFO] [stderr]    --> src/main.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let fittest = pop.0[index_fittest].clone();
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_fittest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fittest`
[INFO] [stderr]    --> src/main.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let fittest = pop.0[index_fittest].clone();
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_fittest`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main_expr`
[INFO] [stderr]    --> src/main.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn main_expr() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.77s
[INFO] running `"docker" "inspect" "9e2ce97cca1427468fafcabb8688a5ea98b6d2ed9141656c21bef236eee6d54c"`
[INFO] running `"docker" "rm" "-f" "9e2ce97cca1427468fafcabb8688a5ea98b6d2ed9141656c21bef236eee6d54c"`
[INFO] [stdout] 9e2ce97cca1427468fafcabb8688a5ea98b6d2ed9141656c21bef236eee6d54c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/rgep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c738353b949cf5a168550c96046331f8229d588f3ee5d3a68f318e47243f350
[INFO] running `"docker" "start" "-a" "2c738353b949cf5a168550c96046331f8229d588f3ee5d3a68f318e47243f350"`
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling criterion-plot v0.3.0
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling tinytemplate v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling criterion v0.2.8
[INFO] [stderr]    Compiling rgep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub type EvalFunction<A, B, R> = Fn(&Program<A, B>, &mut B, &mut R) -> f64;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Program<A, B>, &mut B, &mut R) -> f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/types.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |     pub fun: Rc<Fn(&mut Vec<A>, &mut B)>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/types.rs:263:52
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub fn new(name: String, arity: Arity, fun: Rc<Fn(&mut Vec<A>, &mut B)>) -> Sym<A, B> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:220:15
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:230:15
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:240:15
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:250:15
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:260:15
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:269:15
[INFO] [stderr]     |
[INFO] [stderr] 269 |     let f: Rc<Fn(&mut Vec<Arith<A>>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Arith<A>>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:321:15
[INFO] [stderr]     |
[INFO] [stderr] 321 |     let f: Rc<Fn(&mut Vec<A>, &mut B)> = Rc::new(move |stack, _context| {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:327:44
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn make_binary<A, B>(name: &str, f: Rc<Fn(A, A) -> A>) -> Sym<A, B>
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(A, A) -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:329:15
[INFO] [stderr]     |
[INFO] [stderr] 329 |     let f: Rc<Fn(&mut Vec<A>, &mut B)> = Rc::new(move |stack, _context| {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:337:43
[INFO] [stderr]     |
[INFO] [stderr] 337 | pub fn make_unary<A, B>(name: &str, f: Rc<Fn(A) -> A>) -> Sym<A, B>
[INFO] [stderr]     |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Fn(A) -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:339:15
[INFO] [stderr]     |
[INFO] [stderr] 339 |     let f: Rc<Fn(&mut Vec<A>, &mut B)> = Rc::new(move |stack, _context| {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:432:15
[INFO] [stderr]     |
[INFO] [stderr] 432 |     let f: Rc<Fn(&mut Vec<A>, &mut Variables<A>)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<A>, &mut Variables<A>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:442:15
[INFO] [stderr]     |
[INFO] [stderr] 442 |     let f: Rc<Fn(&mut Vec<Node<A, B>>, &mut B)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<Node<A, B>>, &mut B)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:478:15
[INFO] [stderr]     |
[INFO] [stderr] 478 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:487:15
[INFO] [stderr]     |
[INFO] [stderr] 487 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:495:15
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:504:15
[INFO] [stderr]     |
[INFO] [stderr] 504 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:512:15
[INFO] [stderr]     |
[INFO] [stderr] 512 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:520:15
[INFO] [stderr]     |
[INFO] [stderr] 520 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ops.rs:532:15
[INFO] [stderr]     |
[INFO] [stderr] 532 |     let f: Rc<Fn(&mut Vec<f64>, &mut InstrState)> =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<f64>, &mut InstrState)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/evaluation.rs:43:30
[INFO] [stderr]    |
[INFO] [stderr] 43 |                       eval: &Fn(&Ind, &mut R) -> f64,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Ind, &mut R) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:26
[INFO] [stderr]    |
[INFO] [stderr] 79 |                   eval: &Fn(&Ind, &mut R) -> f64,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Ind, &mut R) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/main.rs:83:42
[INFO] [stderr]    |
[INFO] [stderr] 83 |         &move |prog: &Program<u32, u32>, state: &mut u32, _r: &mut ThreadRng| -> f64 {
[INFO] [stderr]    |                                          ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fittest`
[INFO] [stderr]    --> src/main.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let fittest = pop.0[index_fittest].clone();
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_fittest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fittest`
[INFO] [stderr]    --> src/main.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let fittest = pop.0[index_fittest].clone();
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_fittest`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main_expr`
[INFO] [stderr]    --> src/main.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn main_expr() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp` is never read
[INFO] [stderr]   --> src/lib.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut tmp = Box::new(Vec::new());
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]    --> src/types.rs:174:47
[INFO] [stderr]     |
[INFO] [stderr] 174 |     pub fn create_fast<A, B>(params: &Params, context: &Context<A, B>) -> Pop 
[INFO] [stderr]     |                                               ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bits_per_sym`
[INFO] [stderr]   --> src/crossover.rs:74:59
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn cross_at_points_im(pair: (Vector<u8>, Vector<u8>), bits_per_sym: usize, cross_points: &[usize]) -> (Vector<u8>, Vector<u8>) {
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_bits_per_sym`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/ops.rs:535:17
[INFO] [stderr]     |
[INFO] [stderr] 535 |             let arg = stack.pop().unwrap();
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/selection.rs:43:45
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let prob_indices = (0..tourn_size).map(|index| prob * (1.0 - prob).pow(tourn_size as i32)).collect::<Vec<f64>>();
[INFO] [stderr]    |                                             ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_inds`
[INFO] [stderr]    --> src/selection.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let num_inds = pop.0.len();
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_num_inds`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fitness`
[INFO] [stderr]  --> src/evaluation.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let (index, fitness) = 
[INFO] [stderr]   |                 ^^^^^^^ help: consider prefixing with an underscore: `_fitness`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.39s
[INFO] running `"docker" "inspect" "2c738353b949cf5a168550c96046331f8229d588f3ee5d3a68f318e47243f350"`
[INFO] running `"docker" "rm" "-f" "2c738353b949cf5a168550c96046331f8229d588f3ee5d3a68f318e47243f350"`
[INFO] [stdout] 2c738353b949cf5a168550c96046331f8229d588f3ee5d3a68f318e47243f350
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/rgep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] edc42825c8b0190a6ea616401fa207597c673e3a27c7e256ac6020a00ab31a49
[INFO] running `"docker" "start" "-a" "edc42825c8b0190a6ea616401fa207597c673e3a27c7e256ac6020a00ab31a49"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rgep-124d97140b38e787
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_swap_with_boxes ... ok
[INFO] [stdout] test crossover::test_cross_at_points ... ok
[INFO] [stdout] test rotation::test_rotate ... ok
[INFO] [stdout] test crossover::test_cross_word ... ok
[INFO] [stdout] test crossover::test_cross_at_points_naive ... ok
[INFO] [stdout] test crossover::test_cross_at_point ... ok
[INFO] [stdout] test types::test_arity_simple_cases ... ok
[INFO] [stdout] test rotation::test_rotate_copy ... ok
[INFO] [stdout] test types::test_eval_simple_equation ... ok
[INFO] [stdout] test point_mutation::test_point_mutation_flips_bits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rgep-c9f5fcb348372287
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rgep
[INFO] [stdout] test test_popcount ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "edc42825c8b0190a6ea616401fa207597c673e3a27c7e256ac6020a00ab31a49"`
[INFO] running `"docker" "rm" "-f" "edc42825c8b0190a6ea616401fa207597c673e3a27c7e256ac6020a00ab31a49"`
[INFO] [stdout] edc42825c8b0190a6ea616401fa207597c673e3a27c7e256ac6020a00ab31a49