[INFO] cloning repository https://github.com/Liberatys/rust_conway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Liberatys/rust_conway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiberatys%2Frust_conway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiberatys%2Frust_conway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99a4f774faa0621d92ef787a3adc19a435022bdb
[INFO] checking Liberatys/rust_conway against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiberatys%2Frust_conway" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Liberatys/rust_conway on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Liberatys/rust_conway
[INFO] finished tweaking git repo https://github.com/Liberatys/rust_conway
[INFO] tweaked toml for git repo https://github.com/Liberatys/rust_conway written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/Liberatys/rust_conway already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.6.2
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[INFO] [stderr]   Downloaded zip v0.5.6
[INFO] [stderr]   Downloaded gfx v0.18.2
[INFO] [stderr]   Downloaded glyph_brush v0.5.4
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[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c843ab29c70832eb161315ddabcd2aa4d337080e93be5fb6b5d541d9831b7b8
[INFO] running `Command { std: "docker" "start" "-a" "0c843ab29c70832eb161315ddabcd2aa4d337080e93be5fb6b5d541d9831b7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c843ab29c70832eb161315ddabcd2aa4d337080e93be5fb6b5d541d9831b7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c843ab29c70832eb161315ddabcd2aa4d337080e93be5fb6b5d541d9831b7b8", kill_on_drop: false }`
[INFO] [stdout] 0c843ab29c70832eb161315ddabcd2aa4d337080e93be5fb6b5d541d9831b7b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a948d37fd77d8c1e4e8b6ae6e286221d264d8bf5fef4132cffc92299101589
[INFO] running `Command { std: "docker" "start" "-a" "40a948d37fd77d8c1e4e8b6ae6e286221d264d8bf5fef4132cffc92299101589", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking approx v0.3.2
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[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling num-derive v0.2.5
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking rusttype v0.8.3
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking lyon v0.13.5
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[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking glutin v0.20.1
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[INFO] [stderr]    Compiling cargo_metadata v0.6.4
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[INFO] [stderr]    Compiling ggez v0.5.1
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[INFO] [stderr]     Checking rusty-conway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |         if (self.spaced) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |         if (self.spaced) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             for y in 0..size_y {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             for y in 0..size_y {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/main.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn print(&self) {
[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: `print`
[INFO] [stdout]   --> src/main.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.72s
[INFO] running `Command { std: "docker" "inspect" "40a948d37fd77d8c1e4e8b6ae6e286221d264d8bf5fef4132cffc92299101589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a948d37fd77d8c1e4e8b6ae6e286221d264d8bf5fef4132cffc92299101589", kill_on_drop: false }`
[INFO] [stdout] 40a948d37fd77d8c1e4e8b6ae6e286221d264d8bf5fef4132cffc92299101589