[INFO] cloning repository https://github.com/CyberPuck/conway-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CyberPuck/conway-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberPuck%2Fconway-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberPuck%2Fconway-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc1f1390a0cd3a094ce90fd054ffd22021911a95
[INFO] testing CyberPuck/conway-rust against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberPuck%2Fconway-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CyberPuck/conway-rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CyberPuck/conway-rust
[INFO] finished tweaking git repo https://github.com/CyberPuck/conway-rust
[INFO] tweaked toml for git repo https://github.com/CyberPuck/conway-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CyberPuck/conway-rust 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-auxil v0.4.0
[INFO] [stderr]   Downloaded gfx-backend-empty v0.5.2
[INFO] [stderr]   Downloaded gfx-descriptor v0.1.0
[INFO] [stderr]   Downloaded gfx-memory v0.1.3
[INFO] [stderr]   Downloaded peek-poke v0.2.0
[INFO] [stderr]   Downloaded conrod_wgpu v0.70.0
[INFO] [stderr]   Downloaded wgpu-core v0.5.6
[INFO] [stderr]   Downloaded gfx-backend-metal v0.5.7
[INFO] [stderr]   Downloaded nannou v0.15.0
[INFO] [stderr]   Downloaded conrod_derive v0.70.0
[INFO] [stderr]   Downloaded spirv_cross v0.20.0
[INFO] [stderr]   Downloaded conrod_winit v0.70.0
[INFO] [stderr]   Downloaded gfx-hal v0.5.3
[INFO] [stderr]   Downloaded wgpu-native v0.5.1
[INFO] [stderr]   Downloaded wgpu-types v0.5.1
[INFO] [stderr]   Downloaded wgpu v0.5.2
[INFO] [stderr]   Downloaded parking_lot_core v0.8.1
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.5.10
[INFO] [stderr]   Downloaded libloading v0.6.6
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.5.11
[INFO] [stderr]   Downloaded peek-poke-derive v0.2.1
[INFO] [stderr]   Downloaded conrod_core v0.70.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd1e3b15d61be8bbc86af17f313683d1670841bd795586d88f285d91841d9f1b
[INFO] running `Command { std: "docker" "start" "-a" "bd1e3b15d61be8bbc86af17f313683d1670841bd795586d88f285d91841d9f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd1e3b15d61be8bbc86af17f313683d1670841bd795586d88f285d91841d9f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1e3b15d61be8bbc86af17f313683d1670841bd795586d88f285d91841d9f1b", kill_on_drop: false }`
[INFO] [stdout] bd1e3b15d61be8bbc86af17f313683d1670841bd795586d88f285d91841d9f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0283be0da6b578ef36f0f6ac64aabb676e28e652f5ef70d87c98af2c06a329cf
[INFO] running `Command { std: "docker" "start" "-a" "0283be0da6b578ef36f0f6ac64aabb676e28e652f5ef70d87c98af2c06a329cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling gfx-hal v0.5.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling lyon_geom v0.15.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling gfx-descriptor v0.1.0
[INFO] [stderr]    Compiling gfx-backend-empty v0.5.2
[INFO] [stderr]    Compiling gfx-memory v0.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling lyon_path v0.15.2
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling lyon_tessellation v0.15.9
[INFO] [stderr]    Compiling lyon_algorithms v0.15.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling daggy v0.6.0
[INFO] [stderr]    Compiling lyon v0.15.9
[INFO] [stderr]    Compiling pennereq v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling conrod_winit v0.70.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling notosans v0.1.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling noise v0.6.0
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling conrod_derive v0.70.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling peek-poke v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.5.1
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.5.11
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling wgpu-core v0.5.6
[INFO] [stderr]    Compiling x11-clipboard v0.5.1
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling wgpu-native v0.5.1
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling wgpu v0.5.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling smithay-clipboard v0.4.0
[INFO] [stderr]    Compiling winit v0.22.2
[INFO] [stderr]    Compiling copypasta v0.6.3
[INFO] [stderr]    Compiling conrod_core v0.70.0
[INFO] [stderr]    Compiling conrod_wgpu v0.70.0
[INFO] [stderr]    Compiling nannou v0.15.0
[INFO] [stderr]    Compiling conway-rust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/grid.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     Err(_err) => (println!("{}", _err)), // skip over error, probably out of bounds
[INFO] [stdout]     |                                  ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -                     Err(_err) => (println!("{}", _err)), // skip over error, probably out of bounds
[INFO] [stdout] 136 +                     Err(_err) => println!("{}", _err), // skip over error, probably out of bounds
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_grid` is never used
[INFO] [stdout]    --> src/conway_engine.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl ConwayEngine {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 221 |     fn replace_grid(&mut self, new_grid: grid::Grid<usize>) -> Result<(), &'static str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "0283be0da6b578ef36f0f6ac64aabb676e28e652f5ef70d87c98af2c06a329cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0283be0da6b578ef36f0f6ac64aabb676e28e652f5ef70d87c98af2c06a329cf", kill_on_drop: false }`
[INFO] [stdout] 0283be0da6b578ef36f0f6ac64aabb676e28e652f5ef70d87c98af2c06a329cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0edca71f75578eac296035c965d03b556e8d2c5db9870f812660ce8f62cccb39
[INFO] running `Command { std: "docker" "start" "-a" "0edca71f75578eac296035c965d03b556e8d2c5db9870f812660ce8f62cccb39", kill_on_drop: false }`
[INFO] [stderr]    Compiling conway-rust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/grid.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     Err(_err) => (println!("{}", _err)), // skip over error, probably out of bounds
[INFO] [stdout]     |                                  ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -                     Err(_err) => (println!("{}", _err)), // skip over error, probably out of bounds
[INFO] [stdout] 136 +                     Err(_err) => println!("{}", _err), // skip over error, probably out of bounds
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_grid` is never used
[INFO] [stdout]    --> src/conway_engine.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl ConwayEngine {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 221 |     fn replace_grid(&mut self, new_grid: grid::Grid<usize>) -> Result<(), &'static str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "0edca71f75578eac296035c965d03b556e8d2c5db9870f812660ce8f62cccb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edca71f75578eac296035c965d03b556e8d2c5db9870f812660ce8f62cccb39", kill_on_drop: false }`
[INFO] [stdout] 0edca71f75578eac296035c965d03b556e8d2c5db9870f812660ce8f62cccb39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65828f5491f3d216ae48dc0e6206f23355b80cfa7f9dfe65bd886de8c196ed5d
[INFO] running `Command { std: "docker" "start" "-a" "65828f5491f3d216ae48dc0e6206f23355b80cfa7f9dfe65bd886de8c196ed5d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/grid.rs:136:34
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     Err(_err) => (println!("{}", _err)), // skip over error, probably out of bounds
[INFO] [stderr]     |                                  ^                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 136 -                     Err(_err) => (println!("{}", _err)), // skip over error, probably out of bounds
[INFO] [stderr] 136 +                     Err(_err) => println!("{}", _err), // skip over error, probably out of bounds
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: method `replace_grid` is never used
[INFO] [stderr]    --> src/conway_engine.rs:221:8
[INFO] [stderr]     |
[INFO] [stderr] 29  | impl ConwayEngine {
[INFO] [stderr]     | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 221 |     fn replace_grid(&mut self, new_grid: grid::Grid<usize>) -> Result<(), &'static str> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `conway-rust` (bin "conway-rust" test) generated 2 warnings (run `cargo fix --bin "conway-rust" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/conway_rust-cd61246fd4b5831b)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test gui::conway_engine::grid::test::test_number_neighbors ... ok
[INFO] [stdout] test gui::conway_engine::grid::test::test_grid ... ok
[INFO] [stdout] test gui::conway_engine::test::test_empty_generated_grid ... ok
[INFO] [stdout] test gui::conway_engine::grid::test::test_set_get ... ok
[INFO] [stdout] test gui::conway_engine::test::test_generate_grid ... ok
[INFO] [stdout] test gui::conway_engine::test::test_get_grid_spacing ... ok
[INFO] [stdout] test gui::conway_engine::test::test_new ... ok
[INFO] [stdout] test gui::conway_engine::test::test_parse_header ... ok
[INFO] [stdout] test gui::conway_engine::test::test_read_engine_file ... ok
[INFO] [stdout] test gui::conway_engine::test::test_get_title_string ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- gui::conway_engine::test::test_get_title_string stdout ----
[INFO] [stdout] thread 'gui::conway_engine::test::test_get_title_string' panicked at src/conway_engine.rs:557:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "Conway-rust v0.4.0: test-files/test2.txt"
[INFO] [stdout]  right: "Conway-rust v0.3.0: test-files/test2.txt"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f68bc4030c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55f68bc4030c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f68bc4030c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f68bc4030c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55f68bc6a890 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55f68bc6a890 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55f68bc3dcbf - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55f68bc400f4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55f68bc400f4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55f68bc41db7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55f68bc41aa3 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55f68bbfd667 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55f68bbfd667 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55f68bc423c8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55f68bc423c8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55f68bc4211e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55f68bc407d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55f68bc41e82 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55f68bbbbcf5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55f68bbbc10b - core::panicking::assert_failed_inner::h0bba8b7c26ee4492
[INFO] [stdout]   20:     0x55f68bbc6eb2 - core::panicking::assert_failed::h056886aef4c036cf
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:279:5
[INFO] [stdout]   21:     0x55f68bbc4dc4 - conway_rust::gui::conway_engine::test::test_get_title_string::h584c92ca4c0794d0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/conway_engine.rs:557:9
[INFO] [stdout]   22:     0x55f68bbc4c07 - conway_rust::gui::conway_engine::test::test_get_title_string::{{closure}}::h2793a13d9b5d8691
[INFO] [stdout]                                at /opt/rustwide/workdir/src/conway_engine.rs:555:31
[INFO] [stdout]   23:     0x55f68bbc5d86 - core::ops::function::FnOnce::call_once::h96075a8050c13ad0
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55f68bc02cbf - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55f68bc02cbf - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55f68bc01cd5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55f68bc01cd5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55f68bc01cd5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55f68bc01cd5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55f68bc01cd5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55f68bc01cd5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55f68bc01cd5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x55f68bbc9f96 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x55f68bbc9f96 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55f68bbcf047 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55f68bbcf047 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55f68bbcf047 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55f68bbcf047 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55f68bbcf047 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55f68bbcf047 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55f68bbcf047 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55f68bc46e85 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x55f68bc46e85 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55f68bc46e85 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f1c60b03ac3 - <unknown>
[INFO] [stdout]   46:     0x7f1c60b94bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     gui::conway_engine::test::test_get_title_string
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin conway-rust`
[INFO] running `Command { std: "docker" "inspect" "65828f5491f3d216ae48dc0e6206f23355b80cfa7f9dfe65bd886de8c196ed5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65828f5491f3d216ae48dc0e6206f23355b80cfa7f9dfe65bd886de8c196ed5d", kill_on_drop: false }`
[INFO] [stdout] 65828f5491f3d216ae48dc0e6206f23355b80cfa7f9dfe65bd886de8c196ed5d
