[INFO] updating cached repository https://github.com/oblivia-simplex/roper2
[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] 51ef8db002c8200a92ab376411fbf6749ec63591
[INFO] checking oblivia-simplex/roper2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblivia-simplex%2Froper2" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oblivia-simplex/roper2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oblivia-simplex/roper2
[INFO] finished tweaking git repo https://github.com/oblivia-simplex/roper2
[INFO] tweaked toml for git repo https://github.com/oblivia-simplex/roper2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/oblivia-simplex/roper2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 9f3024e898c5a80ffb0631770cefc22724084eaab72c6133a62634d8b39ac5cc
[INFO] running `"docker" "start" "-a" "9f3024e898c5a80ffb0631770cefc22724084eaab72c6133a62634d8b39ac5cc"`
[INFO] [stderr]    Compiling capstone-sys v0.7.0
[INFO] [stderr]    Compiling roper2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.1.0
[INFO] [stderr]     Checking evmap v4.0.0
[INFO] [stderr]     Checking rust-ini v0.11.0
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]     Checking goblin v0.0.14
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking rand v0.5.0-pre.1
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling os_type v0.6.0
[INFO] [stderr]    Compiling libunicorn-sys v0.8.0 (https://github.com/ekse/unicorn-rs#5767fb3f)
[INFO] [stderr]     Checking capstone v0.3.1
[INFO] [stderr]     Checking unicorn v0.8.0 (https://github.com/ekse/unicorn-rs#5767fb3f)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/emu/loader.rs:733:1
[INFO] [stderr]     |
[INFO] [stderr] 733 | / lazy_static! {
[INFO] [stderr] 734 | |     pub static ref MEM_IMAGE: MemImage
[INFO] [stderr] 735 | |         = {
[INFO] [stderr] 736 | |             let obj = Object::parse(&CODE_BUFFER).unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 805 | |         };
[INFO] [stderr] 806 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | /     lazy_static! {
[INFO] [stderr] 20 | |         pub static ref ROPER_INI_PATH: String
[INFO] [stderr] 21 | |             = match env::var("ROPER_INI_PATH") {
[INFO] [stderr] 22 | |                     Err(_) => ".roper_config/roper.ini".to_string(),
[INFO] [stderr] 23 | |                     Ok(d)  => d.to_string(),
[INFO] [stderr] 24 | |               };
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | / lazy_static! {
[INFO] [stderr] 27 | |     pub static ref INI: Ini = Ini::load_from_file(&*ROPER_INI_PATH)
[INFO] [stderr] 28 | |         .expect(&format!("Failed to load init file from {}", &*ROPER_INI_PATH));
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / lazy_static! {
[INFO] [stderr] 33 | |     pub static ref RNG_SEED: RngSeed /* for Isaac64Rng */
[INFO] [stderr] 34 | |         = {
[INFO] [stderr] 35 | |             let rand_sec = INI.section(Some("Random".to_owned()))
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |         };
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | / lazy_static! {
[INFO] [stderr] 52 | |     pub static ref CODE_BUFFER: Vec<u8>
[INFO] [stderr] 53 | |         = {
[INFO] [stderr] 54 | |             /* first, read the config */
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |         };
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / lazy_static! {
[INFO] [stderr] 77 | |     pub static ref ARCHITECTURE: Arch
[INFO] [stderr] 78 | |         = {
[INFO] [stderr] 79 | |             let arch_magic = match Object::parse(&CODE_BUFFER).unwrap() {
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |         };
[INFO] [stderr] 92 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:94:1
[INFO] [stderr]     |
[INFO] [stderr] 94  | / lazy_static! {
[INFO] [stderr] 95  | |     pub static ref ADDR_WIDTH: usize
[INFO] [stderr] 96  | |         = {
[INFO] [stderr] 97  | |             match *ARCHITECTURE {
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |         };
[INFO] [stderr] 102 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / lazy_static! {
[INFO] [stderr] 115 | |     pub static ref KILL_SWITCH: Arc<RwLock<bool>>
[INFO] [stderr] 116 | |         = Arc::new(RwLock::new(false));
[INFO] [stderr] 117 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / lazy_static! {
[INFO] [stderr] 122 | |     pub static ref CROSSOVER_DEGREE: f32 = 0.5;
[INFO] [stderr] 123 | |     /* TODO: Read this from a config file */
[INFO] [stderr] 124 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 | / lazy_static! {
[INFO] [stderr] 154 | |     pub static ref TSIZE: usize = 
[INFO] [stderr] 155 | |         lookup_usize_setting ("Selection", "tournament_size", 32);
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:158:1
[INFO] [stderr]     |
[INFO] [stderr] 158 | / lazy_static! {
[INFO] [stderr] 159 | |     pub static ref MATE_SELECTION_FACTOR: f32 =
[INFO] [stderr] 160 | |         lookup_f32_setting ("Selection", "mate_selection_factor", 1.00);
[INFO] [stderr] 161 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | / lazy_static! {
[INFO] [stderr] 166 | |     /* if true, then homologous xbit crossover selects only those slots
[INFO] [stderr] 167 | |      * for which mbit ^ pbit == 1. if false, it selects only those slots
[INFO] [stderr] 168 | |      * for which mbit ^ pbit == 0.
[INFO] [stderr] ...   |
[INFO] [stderr] 171 | |     /* TODO read from config file */
[INFO] [stderr] 172 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:184:1
[INFO] [stderr]     |
[INFO] [stderr] 184 | / lazy_static! {
[INFO] [stderr] 185 | |     /* TODO read from config file */
[INFO] [stderr] 186 | |     pub static ref CROSSOVER_MASK_COMBINER: MaskOp = MaskOp::Xor;
[INFO] [stderr] 187 | |     /* I may have stumbled upon something interesting here. using Xor masks
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |     around a fixed genotype, giving the gene pool a bit more room to breathe. */
[INFO] [stderr] 191 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / lazy_static! {
[INFO] [stderr] 194 | |     /* TODO read */
[INFO] [stderr] 195 | |     pub static ref CROSSOVER_MASK_INHERITANCE: MaskOp = MaskOp::Uniform;
[INFO] [stderr] 196 | | } 
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:198:1
[INFO] [stderr]     |
[INFO] [stderr] 198 | / lazy_static! {
[INFO] [stderr] 199 | |     /* TODO read */
[INFO] [stderr] 200 | |     pub static ref CROSSOVER_MASK_MUT_RATE: f32 = 0.2;
[INFO] [stderr] 201 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:203:1
[INFO] [stderr]     |
[INFO] [stderr] 203 | / lazy_static! {
[INFO] [stderr] 204 | |     pub static ref POINTWISE_MUTATION_RATE: f32 =
[INFO] [stderr] 205 | |         lookup_f32_setting ("Mutation", "pointwise_mutation_rate", 0.01);
[INFO] [stderr] 206 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:208:1
[INFO] [stderr]     |
[INFO] [stderr] 208 | / lazy_static! {
[INFO] [stderr] 209 | |     pub static ref CHANNEL_SIZE: usize =
[INFO] [stderr] 210 | |         lookup_usize_setting ("Concurrency", "channel_size", 1);
[INFO] [stderr] 211 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:213:1
[INFO] [stderr]     |
[INFO] [stderr] 213 | / lazy_static! {
[INFO] [stderr] 214 | |     pub static ref SELECTION_WINDOW_SIZE: usize =
[INFO] [stderr] 215 | |         lookup_usize_setting ("Selection", "selection_window_size", 15);
[INFO] [stderr] 216 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:218:1
[INFO] [stderr]     |
[INFO] [stderr] 218 | / lazy_static! {
[INFO] [stderr] 219 | |     pub static ref POPULATION_SIZE: usize =
[INFO] [stderr] 220 | |         lookup_usize_setting ("Population", "population_size", 0x1000);
[INFO] [stderr] 221 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | / lazy_static! {
[INFO] [stderr] 224 | |     pub static ref MIN_CREATURE_LENGTH: usize =
[INFO] [stderr] 225 | |         lookup_usize_setting ("Population", "min_creature_length", 2);
[INFO] [stderr] 226 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:228:1
[INFO] [stderr]     |
[INFO] [stderr] 228 | / lazy_static! {
[INFO] [stderr] 229 | |     pub static ref MAX_CREATURE_LENGTH: usize =
[INFO] [stderr] 230 | |         lookup_usize_setting ("Population", "max_creature_length", 2);
[INFO] [stderr] 231 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:235:1
[INFO] [stderr]     |
[INFO] [stderr] 235 | / lazy_static! {
[INFO] [stderr] 236 | |     pub static ref NUM_ENGINES: usize =
[INFO] [stderr] 237 | |         lookup_usize_setting("Concurrency", "num_engines", 16);
[INFO] [stderr] 238 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:241:1
[INFO] [stderr]     |
[INFO] [stderr] 241 | / lazy_static! {
[INFO] [stderr] 242 | |     pub static ref LOG_DIRECTORY: String =
[INFO] [stderr] 243 | |         lookup_string_setting("Logging", "log_directory", "./logs".to_string());
[INFO] [stderr] 244 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/log/disas.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / lazy_static! {
[INFO] [stderr] 13 | |     pub static ref X86_DISASSEMBLER: Mutex<Capstone>
[INFO] [stderr] 14 | |         = Mutex::new(Capstone::new()
[INFO] [stderr] 15 | |                               .x86()
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |                               .expect("Failed to initialize X86_DISASSEMBLER"));
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/log/disas.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / lazy_static! {
[INFO] [stderr] 22 | |     pub static ref ARM_DISASSEMBLER: Mutex<Capstone>
[INFO] [stderr] 23 | |         = Mutex::new(Capstone::new()
[INFO] [stderr] 24 | |                               .arm()
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |                               .expect("Failed to initialize ARM_DISASSEMBLER"));
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/log/disas.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | / lazy_static! {
[INFO] [stderr] 31 | |     pub static ref THUMB_DISASSEMBLER: Mutex<Capstone>
[INFO] [stderr] 32 | |         = Mutex::new(Capstone::new()
[INFO] [stderr] 33 | |                               .arm()
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |                               .expect("Failed to initialize THUMB_DISASSEMBLER"));
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `thread_rng` in this scope
[INFO] [stderr]    --> src/emu/loader.rs:874:23
[INFO] [stderr]     |
[INFO] [stderr] 874 |         let mut rng = thread_rng();
[INFO] [stderr]     |                       ^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 6   | use evo::crossover::rand::thread_rng;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `thread_rng` in this scope
[INFO] [stderr]    --> src/emu/loader.rs:893:23
[INFO] [stderr]     |
[INFO] [stderr] 893 |         let mut rng = thread_rng();
[INFO] [stderr]     |                       ^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 6   | use evo::crossover::rand::thread_rng;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/emu/loader.rs:733:1
[INFO] [stderr]     |
[INFO] [stderr] 733 | / lazy_static! {
[INFO] [stderr] 734 | |     pub static ref MEM_IMAGE: MemImage
[INFO] [stderr] 735 | |         = {
[INFO] [stderr] 736 | |             let obj = Object::parse(&CODE_BUFFER).unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 805 | |         };
[INFO] [stderr] 806 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | /     lazy_static! {
[INFO] [stderr] 20 | |         pub static ref ROPER_INI_PATH: String
[INFO] [stderr] 21 | |             = match env::var("ROPER_INI_PATH") {
[INFO] [stderr] 22 | |                     Err(_) => ".roper_config/roper.ini".to_string(),
[INFO] [stderr] 23 | |                     Ok(d)  => d.to_string(),
[INFO] [stderr] 24 | |               };
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | / lazy_static! {
[INFO] [stderr] 27 | |     pub static ref INI: Ini = Ini::load_from_file(&*ROPER_INI_PATH)
[INFO] [stderr] 28 | |         .expect(&format!("Failed to load init file from {}", &*ROPER_INI_PATH));
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / lazy_static! {
[INFO] [stderr] 33 | |     pub static ref RNG_SEED: RngSeed /* for Isaac64Rng */
[INFO] [stderr] 34 | |         = {
[INFO] [stderr] 35 | |             let rand_sec = INI.section(Some("Random".to_owned()))
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |         };
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | / lazy_static! {
[INFO] [stderr] 52 | |     pub static ref CODE_BUFFER: Vec<u8>
[INFO] [stderr] 53 | |         = {
[INFO] [stderr] 54 | |             /* first, read the config */
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |         };
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/par/statics.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / lazy_static! {
[INFO] [stderr] 77 | |     pub static ref ARCHITECTURE: Arch
[INFO] [stderr] 78 | |         = {
[INFO] [stderr] 79 | |             let arch_magic = match Object::parse(&CODE_BUFFER).unwrap() {
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |         };
[INFO] [stderr] 92 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:94:1
[INFO] [stderr]     |
[INFO] [stderr] 94  | / lazy_static! {
[INFO] [stderr] 95  | |     pub static ref ADDR_WIDTH: usize
[INFO] [stderr] 96  | |         = {
[INFO] [stderr] 97  | |             match *ARCHITECTURE {
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |         };
[INFO] [stderr] 102 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / lazy_static! {
[INFO] [stderr] 115 | |     pub static ref KILL_SWITCH: Arc<RwLock<bool>>
[INFO] [stderr] 116 | |         = Arc::new(RwLock::new(false));
[INFO] [stderr] 117 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / lazy_static! {
[INFO] [stderr] 122 | |     pub static ref CROSSOVER_DEGREE: f32 = 0.5;
[INFO] [stderr] 123 | |     /* TODO: Read this from a config file */
[INFO] [stderr] 124 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 | / lazy_static! {
[INFO] [stderr] 154 | |     pub static ref TSIZE: usize = 
[INFO] [stderr] 155 | |         lookup_usize_setting ("Selection", "tournament_size", 32);
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:158:1
[INFO] [stderr]     |
[INFO] [stderr] 158 | / lazy_static! {
[INFO] [stderr] 159 | |     pub static ref MATE_SELECTION_FACTOR: f32 =
[INFO] [stderr] 160 | |         lookup_f32_setting ("Selection", "mate_selection_factor", 1.00);
[INFO] [stderr] 161 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | / lazy_static! {
[INFO] [stderr] 166 | |     /* if true, then homologous xbit crossover selects only those slots
[INFO] [stderr] 167 | |      * for which mbit ^ pbit == 1. if false, it selects only those slots
[INFO] [stderr] 168 | |      * for which mbit ^ pbit == 0.
[INFO] [stderr] ...   |
[INFO] [stderr] 171 | |     /* TODO read from config file */
[INFO] [stderr] 172 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:184:1
[INFO] [stderr]     |
[INFO] [stderr] 184 | / lazy_static! {
[INFO] [stderr] 185 | |     /* TODO read from config file */
[INFO] [stderr] 186 | |     pub static ref CROSSOVER_MASK_COMBINER: MaskOp = MaskOp::Xor;
[INFO] [stderr] 187 | |     /* I may have stumbled upon something interesting here. using Xor masks
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |     around a fixed genotype, giving the gene pool a bit more room to breathe. */
[INFO] [stderr] 191 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / lazy_static! {
[INFO] [stderr] 194 | |     /* TODO read */
[INFO] [stderr] 195 | |     pub static ref CROSSOVER_MASK_INHERITANCE: MaskOp = MaskOp::Uniform;
[INFO] [stderr] 196 | | } 
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:198:1
[INFO] [stderr]     |
[INFO] [stderr] 198 | / lazy_static! {
[INFO] [stderr] 199 | |     /* TODO read */
[INFO] [stderr] 200 | |     pub static ref CROSSOVER_MASK_MUT_RATE: f32 = 0.2;
[INFO] [stderr] 201 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:203:1
[INFO] [stderr]     |
[INFO] [stderr] 203 | / lazy_static! {
[INFO] [stderr] 204 | |     pub static ref POINTWISE_MUTATION_RATE: f32 =
[INFO] [stderr] 205 | |         lookup_f32_setting ("Mutation", "pointwise_mutation_rate", 0.01);
[INFO] [stderr] 206 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:208:1
[INFO] [stderr]     |
[INFO] [stderr] 208 | / lazy_static! {
[INFO] [stderr] 209 | |     pub static ref CHANNEL_SIZE: usize =
[INFO] [stderr] 210 | |         lookup_usize_setting ("Concurrency", "channel_size", 1);
[INFO] [stderr] 211 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:213:1
[INFO] [stderr]     |
[INFO] [stderr] 213 | / lazy_static! {
[INFO] [stderr] 214 | |     pub static ref SELECTION_WINDOW_SIZE: usize =
[INFO] [stderr] 215 | |         lookup_usize_setting ("Selection", "selection_window_size", 15);
[INFO] [stderr] 216 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:218:1
[INFO] [stderr]     |
[INFO] [stderr] 218 | / lazy_static! {
[INFO] [stderr] 219 | |     pub static ref POPULATION_SIZE: usize =
[INFO] [stderr] 220 | |         lookup_usize_setting ("Population", "population_size", 0x1000);
[INFO] [stderr] 221 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | / lazy_static! {
[INFO] [stderr] 224 | |     pub static ref MIN_CREATURE_LENGTH: usize =
[INFO] [stderr] 225 | |         lookup_usize_setting ("Population", "min_creature_length", 2);
[INFO] [stderr] 226 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:228:1
[INFO] [stderr]     |
[INFO] [stderr] 228 | / lazy_static! {
[INFO] [stderr] 229 | |     pub static ref MAX_CREATURE_LENGTH: usize =
[INFO] [stderr] 230 | |         lookup_usize_setting ("Population", "max_creature_length", 2);
[INFO] [stderr] 231 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:235:1
[INFO] [stderr]     |
[INFO] [stderr] 235 | / lazy_static! {
[INFO] [stderr] 236 | |     pub static ref NUM_ENGINES: usize =
[INFO] [stderr] 237 | |         lookup_usize_setting("Concurrency", "num_engines", 16);
[INFO] [stderr] 238 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/par/statics.rs:241:1
[INFO] [stderr]     |
[INFO] [stderr] 241 | / lazy_static! {
[INFO] [stderr] 242 | |     pub static ref LOG_DIRECTORY: String =
[INFO] [stderr] 243 | |         lookup_string_setting("Logging", "log_directory", "./logs".to_string());
[INFO] [stderr] 244 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/log/disas.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / lazy_static! {
[INFO] [stderr] 13 | |     pub static ref X86_DISASSEMBLER: Mutex<Capstone>
[INFO] [stderr] 14 | |         = Mutex::new(Capstone::new()
[INFO] [stderr] 15 | |                               .x86()
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |                               .expect("Failed to initialize X86_DISASSEMBLER"));
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/log/disas.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / lazy_static! {
[INFO] [stderr] 22 | |     pub static ref ARM_DISASSEMBLER: Mutex<Capstone>
[INFO] [stderr] 23 | |         = Mutex::new(Capstone::new()
[INFO] [stderr] 24 | |                               .arm()
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |                               .expect("Failed to initialize ARM_DISASSEMBLER"));
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/log/disas.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | / lazy_static! {
[INFO] [stderr] 31 | |     pub static ref THUMB_DISASSEMBLER: Mutex<Capstone>
[INFO] [stderr] 32 | |         = Mutex::new(Capstone::new()
[INFO] [stderr] 33 | |                               .arm()
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |                               .expect("Failed to initialize THUMB_DISASSEMBLER"));
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/emu/loader.rs:436:13
[INFO] [stderr]     |
[INFO] [stderr] 436 |         let mut data_ptr = data.as_mut_ptr();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/emu/loader.rs:448:13
[INFO] [stderr]     |
[INFO] [stderr] 448 |         let mut data = emu.mem_read(begin, size).unwrap();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/emu/loader.rs:449:13
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let mut ptr = data;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gen/genotype.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 let mut gad = Gadget {
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fit/evaluator.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let mut creature: Creature = creature;
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `roper2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9f3024e898c5a80ffb0631770cefc22724084eaab72c6133a62634d8b39ac5cc"`
[INFO] running `"docker" "rm" "-f" "9f3024e898c5a80ffb0631770cefc22724084eaab72c6133a62634d8b39ac5cc"`
[INFO] [stdout] 9f3024e898c5a80ffb0631770cefc22724084eaab72c6133a62634d8b39ac5cc