[INFO] cloning repository https://github.com/TuckerBMorgan/LIFE
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TuckerBMorgan/LIFE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuckerBMorgan%2FLIFE", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuckerBMorgan%2FLIFE'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca93892b75c2a2ea1756c07d67c6a4f545a91112
[INFO] checking TuckerBMorgan/LIFE against try#09eeb2bacb9b40b2ed1d47f03177442c0632cda1 for pr-157710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuckerBMorgan%2FLIFE" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TuckerBMorgan/LIFE
[INFO] finished tweaking git repo https://github.com/TuckerBMorgan/LIFE
[INFO] tweaked toml for git repo https://github.com/TuckerBMorgan/LIFE written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TuckerBMorgan/LIFE on toolchain 09eeb2bacb9b40b2ed1d47f03177442c0632cda1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TuckerBMorgan/LIFE already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6626ae1cb8eac31afa7f3912a70fe907ca33960fee4f31a0960b2b819911c5fb
[INFO] running `Command { std: "docker" "start" "6626ae1cb8eac31afa7f3912a70fe907ca33960fee4f31a0960b2b819911c5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6626ae1cb8eac31afa7f3912a70fe907ca33960fee4f31a0960b2b819911c5fb" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6626ae1cb8eac31afa7f3912a70fe907ca33960fee4f31a0960b2b819911c5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6626ae1cb8eac31afa7f3912a70fe907ca33960fee4f31a0960b2b819911c5fb" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking noise v0.5.1
[INFO] [stderr]     Checking life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `noise::utils::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use noise::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:153:28
[INFO] [stdout]     |
[INFO] [stdout] 153 |         self.random_source.shuffle(&mut range_y);
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:156:32
[INFO] [stdout]     |
[INFO] [stdout] 156 |             self.random_source.shuffle(&mut range_x);
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:233:28
[INFO] [stdout]     |
[INFO] [stdout] 233 |         self.random_source.shuffle(&mut range_y);
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:237:32
[INFO] [stdout]     |
[INFO] [stdout] 237 |             self.random_source.shuffle(&mut range_x);
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:276:28
[INFO] [stdout]     |
[INFO] [stdout] 276 |         self.random_source.shuffle(&mut range_y);
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:279:32
[INFO] [stdout]     |
[INFO] [stdout] 279 |             self.random_source.shuffle(&mut range_x);
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `noise::utils::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use noise::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut best_organism = self.organisms.get_mut(highest_index).unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut worst_organism = self.organisms.get_mut(lowest_index).unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_min` is never read
[INFO] [stdout]    --> src/main.rs:290:33
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 let mut x_min = x;
[INFO] [stdout]     |                                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 295 |                     x_min = x - 1;
[INFO] [stdout]     |                     ------------- `x_min` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_min` is never read
[INFO] [stdout]    --> src/main.rs:298:33
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 let mut y_min = y;
[INFO] [stdout]     |                                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 303 |                     y_min = y - 1;
[INFO] [stdout]     |                     ------------- `y_min` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:153:28
[INFO] [stdout]     |
[INFO] [stdout] 153 |         self.random_source.shuffle(&mut range_y);
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:156:32
[INFO] [stdout]     |
[INFO] [stdout] 156 |             self.random_source.shuffle(&mut range_x);
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:233:28
[INFO] [stdout]     |
[INFO] [stdout] 233 |         self.random_source.shuffle(&mut range_y);
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:237:32
[INFO] [stdout]     |
[INFO] [stdout] 237 |             self.random_source.shuffle(&mut range_x);
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:276:28
[INFO] [stdout]     |
[INFO] [stdout] 276 |         self.random_source.shuffle(&mut range_y);
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]    --> src/main.rs:279:32
[INFO] [stdout]     |
[INFO] [stdout] 279 |             self.random_source.shuffle(&mut range_x);
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `look_functions` is never read
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Simulation {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     look_functions: Vec<fn(&mut Simulation, usize, usize, i32, &mut bool) -> ()>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut best_organism = self.organisms.get_mut(highest_index).unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut worst_organism = self.organisms.get_mut(lowest_index).unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_min` is never read
[INFO] [stdout]    --> src/main.rs:290:33
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 let mut x_min = x;
[INFO] [stdout]     |                                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 295 |                     x_min = x - 1;
[INFO] [stdout]     |                     ------------- `x_min` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_min` is never read
[INFO] [stdout]    --> src/main.rs:298:33
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 let mut y_min = y;
[INFO] [stdout]     |                                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 303 |                     y_min = y - 1;
[INFO] [stdout]     |                     ------------- `y_min` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `look_functions` is never read
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Simulation {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     look_functions: Vec<fn(&mut Simulation, usize, usize, i32, &mut bool) -> ()>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "6626ae1cb8eac31afa7f3912a70fe907ca33960fee4f31a0960b2b819911c5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6626ae1cb8eac31afa7f3912a70fe907ca33960fee4f31a0960b2b819911c5fb", kill_on_drop: false }`
[INFO] [stdout] 6626ae1cb8eac31afa7f3912a70fe907ca33960fee4f31a0960b2b819911c5fb
