[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 beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiberatys%2Frust_conway" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Liberatys/rust_conway on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46e66d7956fe5f48090f679ea01d088b77e1b311b9160a40efbe0aacdae505d6
[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" "46e66d7956fe5f48090f679ea01d088b77e1b311b9160a40efbe0aacdae505d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e66d7956fe5f48090f679ea01d088b77e1b311b9160a40efbe0aacdae505d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e66d7956fe5f48090f679ea01d088b77e1b311b9160a40efbe0aacdae505d6", kill_on_drop: false }`
[INFO] [stdout] 46e66d7956fe5f48090f679ea01d088b77e1b311b9160a40efbe0aacdae505d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ae2420e8ac297e962d962cb575e54b0ad665fabe50f276ad75cf7965acfac9
[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" "15ae2420e8ac297e962d962cb575e54b0ad665fabe50f276ad75cf7965acfac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking lyon_geom v0.12.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking lyon_path v0.13.2
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking lyon_tessellation v0.13.5
[INFO] [stderr]     Checking lyon_algorithms v0.13.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking lyon v0.13.5
[INFO] [stderr]     Checking glyph_brush v0.6.3
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking glyph_brush v0.5.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking gilrs-core v0.2.6
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking gilrs v0.7.4
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]    Compiling ggez v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.20.1
[INFO] [stderr]     Checking gfx_window_glutin v0.30.0
[INFO] [stderr]     Checking rodio v0.9.0
[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: 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: 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: 3 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "15ae2420e8ac297e962d962cb575e54b0ad665fabe50f276ad75cf7965acfac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ae2420e8ac297e962d962cb575e54b0ad665fabe50f276ad75cf7965acfac9", kill_on_drop: false }`
[INFO] [stdout] 15ae2420e8ac297e962d962cb575e54b0ad665fabe50f276ad75cf7965acfac9