[INFO] cloning repository https://github.com/Patrik-Stas/rust-game-of-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Patrik-Stas/rust-game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrik-Stas%2Frust-game-of-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrik-Stas%2Frust-game-of-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f95c6a99b8a2576739c31e104f36761f3d59221a
[INFO] building Patrik-Stas/rust-game-of-life against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrik-Stas%2Frust-game-of-life" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Patrik-Stas/rust-game-of-life on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Patrik-Stas/rust-game-of-life
[INFO] finished tweaking git repo https://github.com/Patrik-Stas/rust-game-of-life
[INFO] tweaked toml for git repo https://github.com/Patrik-Stas/rust-game-of-life written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Patrik-Stas/rust-game-of-life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f08cec612bd41ca5328c225c5b70eb91f946ab5bf017c6a93ba11454299b0a89
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f08cec612bd41ca5328c225c5b70eb91f946ab5bf017c6a93ba11454299b0a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f08cec612bd41ca5328c225c5b70eb91f946ab5bf017c6a93ba11454299b0a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08cec612bd41ca5328c225c5b70eb91f946ab5bf017c6a93ba11454299b0a89", kill_on_drop: false }`
[INFO] [stdout] f08cec612bd41ca5328c225c5b70eb91f946ab5bf017c6a93ba11454299b0a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a41da4351dd1306ec765a858cea898b075e732b9c1cd57eff7b3dc67aebee56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a41da4351dd1306ec765a858cea898b075e732b9c1cd57eff7b3dc67aebee56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
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[INFO] [stderr]    Compiling getrandom v0.1.15
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[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling tinyvec v0.3.4
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[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
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[INFO] [stderr]    Compiling serde_json v1.0.57
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[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling gol_core v0.1.0 (/opt/rustwide/workdir/gol_core)
[INFO] [stdout] warning: unused import: `std::iter::Skip`
[INFO] [stdout]  --> gol_core/src/common/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Skip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> gol_core/src/universe/universe_board_2d.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> gol_core/src/universe/universe_board_2d.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `terminate` is assigned to, but never used
[INFO] [stdout]   --> gol_core/src/universe/universe_board_2d.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut terminate = false;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_terminate` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `terminate` is never read
[INFO] [stdout]   --> gol_core/src/universe/universe_board_2d.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 terminate = true;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> gol_core/src/universe/universe_hash.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 .map(|((x, y), b)| {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `point`
[INFO] [stdout]   --> gol_core/src/common/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     point: Point,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_alive`
[INFO] [stdout]   --> gol_core/src/common/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     is_alive: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `aliveChar` should have a snake case name
[INFO] [stdout]   --> gol_core/src/universe/util.rs:22:74
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn init_from_plaintext(universe: &mut impl CellUniverse, data: &str, aliveChar: Option<char>) {
[INFO] [stdout]    |                                                                          ^^^^^^^^^ help: convert the identifier to snake case: `alive_char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gol_cli v0.1.0 (/opt/rustwide/workdir/gol_cli)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> gol_cli/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `endwin`, `initscr`
[INFO] [stdout]  --> gol_cli/src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pancurses::{endwin, initscr};
[INFO] [stdout]   |                 ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `endwin`
[INFO] [stdout]  --> gol_cli/src/visualizer/visualizer_pancurses.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pancurses::{curs_set, endwin, initscr, Input, Window};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iter` is assigned to, but never used
[INFO] [stdout]   --> gol_cli/src/main.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut iter = 0;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_iter` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> gol_cli/src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let limit = 100;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> gol_cli/src/visualizer/visualizer_stub.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new() -> VizualizerStub { VizualizerStub {} }
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ConsoleVisualizer`
[INFO] [stdout]  --> gol_cli/src/visualizer/visualizer_stdout.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ConsoleVisualizer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> gol_cli/src/visualizer/visualizer_stdout.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(cols_x: usize, rows_y: usize) -> ConsoleVisualizer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visualize`
[INFO] [stdout]   --> gol_cli/src/visualizer/visualizer_stdout.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn visualize(&mut self, cell_iterator: impl Iterator<Item=Point>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fn_visualize_iterable`
[INFO] [stdout]   --> gol_cli/src/visualizer/visualizer_stdout.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn fn_visualize_iterable(cols_x: usize, rows_y: usize, cell_iterator: impl Iterator<Item=Point>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling actix-web-codegen v0.3.0
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling actix-codec v0.3.0
[INFO] [stderr]    Compiling actix-threadpool v0.3.3
[INFO] [stderr]    Compiling actix-service v1.0.6
[INFO] [stderr]    Compiling actix-rt v1.1.1
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling trust-dns-proto v0.19.5
[INFO] [stderr]    Compiling actix-utils v2.0.0
[INFO] [stderr]    Compiling actix-server v1.0.4
[INFO] [stderr]    Compiling actix-tls v2.0.0
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling actix-router v0.2.4
[INFO] [stderr]    Compiling actix-testing v1.0.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.5
[INFO] [stderr]    Compiling actix-connect v2.0.0
[INFO] [stderr]    Compiling actix-http v2.0.0
[INFO] [stderr]    Compiling awc v2.0.0
[INFO] [stderr]    Compiling actix-web v3.0.1
[INFO] [stderr]    Compiling gol_server v0.1.0 (/opt/rustwide/workdir/gol_server)
[INFO] [stdout] warning: unused imports: `HttpResponse`, `Responder`, `get`, `post`
[INFO] [stdout]  --> gol_server/src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::{App, get, HttpResponse, HttpServer, post, Responder, web, guard};
[INFO] [stdout]   |                      ^^^  ^^^^^^^^^^^^              ^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::Level`
[INFO] [stdout]  --> gol_server/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log::Level;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpServer`, `web`
[INFO] [stdout]  --> gol_server/src/server/server.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder, HttpRequest};
[INFO] [stdout]   |                            ^^^  ^^^                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> gol_server/src/error/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> gol_server/src/error/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::CString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> gol_server/src/error/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> gol_server/src/server/server.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut bigbox = GolStateHash::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> gol_server/src/error/mod.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `universe_name`
[INFO] [stdout]   --> gol_server/src/server/server.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let universe_name: String = "foo1".into();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_universe_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bigbox`
[INFO] [stdout]   --> gol_server/src/server/server.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut bigbox = GolStateHash::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bigbox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> gol_server/src/error/mod.rs:105:40
[INFO] [stdout]     |
[INFO] [stdout] 105 |             GolServerErrorKind::Common(num) => 2,
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_handle`
[INFO] [stdout]   --> gol_server/src/object_cache/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn has_handle(&self, handle: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> gol_server/src/object_cache/mod.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn get<F, R>(&self, handle: u32, closure: F) -> GolResult<R>
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]   --> gol_server/src/object_cache/mod.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_mut<F, R>(&self, handle: u32, closure: F) -> GolResult<R>
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> gol_server/src/object_cache/mod.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn add(&self, obj: T) -> GolResult<u32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> gol_server/src/object_cache/mod.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn insert(&self, handle: u32, obj: T) -> GolResult<()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `release`
[INFO] [stdout]   --> gol_server/src/object_cache/mod.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn release(&self, handle: u32) -> GolResult<()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drain`
[INFO] [stdout]    --> gol_server/src/object_cache/mod.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn drain(&self) -> GolResult<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `err_msg`
[INFO] [stdout]   --> gol_server/src/error/mod.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn err_msg<D>(kind: GolServerErrorKind, msg: D) -> GolServerError
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `GolResult`
[INFO] [stdout]    --> gol_server/src/error/mod.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub type GolResult<T> = Result<T, GolServerError>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> gol_server/src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     handle_thread.join();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "7a41da4351dd1306ec765a858cea898b075e732b9c1cd57eff7b3dc67aebee56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a41da4351dd1306ec765a858cea898b075e732b9c1cd57eff7b3dc67aebee56", kill_on_drop: false }`
[INFO] [stdout] 7a41da4351dd1306ec765a858cea898b075e732b9c1cd57eff7b3dc67aebee56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5071960f3cae15aea4a37ea073ccf671aaa40984149a6df0f85370cdf5ff8799
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5071960f3cae15aea4a37ea073ccf671aaa40984149a6df0f85370cdf5ff8799", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::iter::Skip`
[INFO] [stdout]  --> gol_core/src/common/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Skip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> gol_core/src/universe/universe_board_2d.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> gol_core/src/universe/universe_board_2d.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `terminate` is assigned to, but never used
[INFO] [stdout]   --> gol_core/src/universe/universe_board_2d.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut terminate = false;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_terminate` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `terminate` is never read
[INFO] [stdout]   --> gol_core/src/universe/universe_board_2d.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 terminate = true;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> gol_core/src/universe/universe_hash.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 .map(|((x, y), b)| {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `point`
[INFO] [stdout]   --> gol_core/src/common/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     point: Point,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_alive`
[INFO] [stdout]   --> gol_core/src/common/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     is_alive: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `aliveChar` should have a snake case name
[INFO] [stdout]   --> gol_core/src/universe/util.rs:22:74
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn init_from_plaintext(universe: &mut impl CellUniverse, data: &str, aliveChar: Option<char>) {
[INFO] [stdout]    |                                                                          ^^^^^^^^^ help: convert the identifier to snake case: `alive_char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gol_core v0.1.0 (/opt/rustwide/workdir/gol_core)
[INFO] [stderr]    Compiling gol_cli v0.1.0 (/opt/rustwide/workdir/gol_cli)
[INFO] [stderr]    Compiling gol_server v0.1.0 (/opt/rustwide/workdir/gol_server)
[INFO] [stdout] warning: unused import: `std::iter::Skip`
[INFO] [stdout]  --> gol_core/src/common/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Skip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> gol_core/src/universe/universe_board_2d.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> gol_core/src/universe/universe_board_2d.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Split`
[INFO] [stdout]    --> gol_core/src/universe/universe_board_2d.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use std::slice::Split;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Split`
[INFO] [stdout]   --> gol_core/src/universe/universe_hash.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use std::slice::Split;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> gol_cli/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `endwin`, `initscr`
[INFO] [stdout]  --> gol_cli/src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pancurses::{endwin, initscr};
[INFO] [stdout]   |                 ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `endwin`
[INFO] [stdout]  --> gol_cli/src/visualizer/visualizer_pancurses.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pancurses::{curs_set, endwin, initscr, Input, Window};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iter` is assigned to, but never used
[INFO] [stdout]   --> gol_cli/src/main.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut iter = 0;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_iter` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> gol_cli/src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let limit = 100;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> gol_cli/src/visualizer/visualizer_stub.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new() -> VizualizerStub { VizualizerStub {} }
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ConsoleVisualizer`
[INFO] [stdout]  --> gol_cli/src/visualizer/visualizer_stdout.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ConsoleVisualizer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> gol_cli/src/visualizer/visualizer_stdout.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(cols_x: usize, rows_y: usize) -> ConsoleVisualizer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visualize`
[INFO] [stdout]   --> gol_cli/src/visualizer/visualizer_stdout.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn visualize(&mut self, cell_iterator: impl Iterator<Item=Point>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fn_visualize_iterable`
[INFO] [stdout]   --> gol_cli/src/visualizer/visualizer_stdout.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn fn_visualize_iterable(cols_x: usize, rows_y: usize, cell_iterator: impl Iterator<Item=Point>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `terminate` is assigned to, but never used
[INFO] [stdout]   --> gol_core/src/universe/universe_board_2d.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut terminate = false;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_terminate` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `terminate` is never read
[INFO] [stdout]   --> gol_core/src/universe/universe_board_2d.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 terminate = true;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> gol_core/src/universe/universe_hash.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 .map(|((x, y), b)| {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `point`
[INFO] [stdout]   --> gol_core/src/common/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     point: Point,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_alive`
[INFO] [stdout]   --> gol_core/src/common/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     is_alive: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `aliveChar` should have a snake case name
[INFO] [stdout]   --> gol_core/src/universe/util.rs:22:74
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn init_from_plaintext(universe: &mut impl CellUniverse, data: &str, aliveChar: Option<char>) {
[INFO] [stdout]    |                                                                          ^^^^^^^^^ help: convert the identifier to snake case: `alive_char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::server::object_cache`
[INFO] [stdout]    --> gol_server/src/object_cache/mod.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use crate::server::object_cache::ObjectCache;
[INFO] [stdout]     |                        ^^^^^^^^^^^^ could not find `object_cache` in `server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `utils`
[INFO] [stdout]    --> gol_server/src/object_cache/mod.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use utils::devsetup::SetupDefaults;
[INFO] [stdout]     |         ^^^^^ use of undeclared crate or module `utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `object_cache`
[INFO] [stdout]    --> gol_server/src/object_cache/mod.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use object_cache::ObjectCache;
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: a similar path exists: `crate::object_cache`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `use` statements changed in Rust 2018; read more at <https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HttpResponse`, `Responder`, `get`, `post`
[INFO] [stdout]  --> gol_server/src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::{App, get, HttpResponse, HttpServer, post, Responder, web, guard};
[INFO] [stdout]   |                      ^^^  ^^^^^^^^^^^^              ^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::Level`
[INFO] [stdout]  --> gol_server/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log::Level;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::object_cache::ObjectCache`
[INFO] [stdout]    --> gol_server/src/object_cache/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use crate::object_cache::ObjectCache;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpServer`, `web`
[INFO] [stdout]  --> gol_server/src/server/server.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder, HttpRequest};
[INFO] [stdout]   |                            ^^^  ^^^                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> gol_server/src/error/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> gol_server/src/error/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::CString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> gol_server/src/error/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> gol_server/src/server/server.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut bigbox = GolStateHash::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> gol_server/src/error/mod.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gol_server`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5071960f3cae15aea4a37ea073ccf671aaa40984149a6df0f85370cdf5ff8799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5071960f3cae15aea4a37ea073ccf671aaa40984149a6df0f85370cdf5ff8799", kill_on_drop: false }`
[INFO] [stdout] 5071960f3cae15aea4a37ea073ccf671aaa40984149a6df0f85370cdf5ff8799
