[INFO] cloning repository https://github.com/iwburns/rusty-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iwburns/rusty-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwburns%2Frusty-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwburns%2Frusty-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b63e298086cc1f2028e3851403ef2f9780204165
[INFO] checking iwburns/rusty-life against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwburns%2Frusty-life" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iwburns/rusty-life on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iwburns/rusty-life
[INFO] finished tweaking git repo https://github.com/iwburns/rusty-life
[INFO] tweaked toml for git repo https://github.com/iwburns/rusty-life written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/iwburns/rusty-life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded pistoncore-input v0.20.0
[INFO] [stderr]   Downloaded shader_version v0.3.0
[INFO] [stderr]   Downloaded piston-float v0.3.0
[INFO] [stderr]   Downloaded pistoncore-window v0.31.0
[INFO] [stderr]   Downloaded piston-viewport v0.3.0
[INFO] [stderr]   Downloaded wayland-window v0.13.2
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded wayland-protocols v0.12.5
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[INFO] [stderr]   Downloaded wayland-sys v0.12.5
[INFO] [stderr]   Downloaded token_store v0.1.2
[INFO] [stderr]   Downloaded malloc_buf v0.0.6
[INFO] [stderr]   Downloaded block v0.1.6
[INFO] [stderr]   Downloaded android_glue v0.2.3
[INFO] [stderr]   Downloaded gl_generator v0.8.0
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[INFO] [stderr]   Downloaded gl v0.10.0
[INFO] [stderr]   Downloaded gl_generator v0.9.0
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.52.0
[INFO] [stderr]   Downloaded stb_truetype v0.2.2
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[INFO] [stderr]   Downloaded piston-texture v0.6.0
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] [stderr]   Downloaded color_quant v1.0.0
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[INFO] [stderr]   Downloaded piston v0.36.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.36.0
[INFO] [stderr]   Downloaded image v0.18.0
[INFO] [stderr]   Downloaded interpolation v0.1.0
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.3.1
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded piston2d-graphics v0.26.0
[INFO] [stderr]   Downloaded rusttype v0.4.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.4.6
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[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded rayon v1.0.0
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[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded ordered-float v0.5.0
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[INFO] [stderr]   Downloaded cgl v0.2.1
[INFO] [stderr]   Downloaded cocoa v0.14.0
[INFO] [stderr]   Downloaded core-graphics v0.13.0
[INFO] [stderr]   Downloaded osmesa-sys v0.1.2
[INFO] [stderr]   Downloaded cocoa v0.13.0
[INFO] [stderr]   Downloaded core-foundation v0.4.6
[INFO] [stderr]   Downloaded tempfile v2.2.0
[INFO] [stderr]   Downloaded core-graphics v0.12.4
[INFO] [stderr]   Downloaded objc v0.2.2
[INFO] [stderr]   Downloaded wayland-kbd v0.13.1
[INFO] [stderr]   Downloaded xml-rs v0.7.0
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[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded wayland-client v0.12.5
[INFO] [stderr]   Downloaded wayland-scanner v0.12.5
[INFO] [stderr]   Downloaded winit v0.10.0
[INFO] [stderr]   Downloaded glutin v0.12.2
[INFO] [stderr]   Downloaded serde v1.0.29
[INFO] [stderr]   Downloaded serde_derive_internals v0.20.0
[INFO] [stderr]   Downloaded serde_derive v1.0.29
[INFO] [stderr]   Downloaded either v1.4.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.45.2
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded khronos_api v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61fb4a5e4967b4ef1f45fe1dfd72fdd8872782e486906030d9d6c542b46066d4
[INFO] running `Command { std: "docker" "start" "-a" "61fb4a5e4967b4ef1f45fe1dfd72fdd8872782e486906030d9d6c542b46066d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fb4a5e4967b4ef1f45fe1dfd72fdd8872782e486906030d9d6c542b46066d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fb4a5e4967b4ef1f45fe1dfd72fdd8872782e486906030d9d6c542b46066d4", kill_on_drop: false }`
[INFO] [stdout] 61fb4a5e4967b4ef1f45fe1dfd72fdd8872782e486906030d9d6c542b46066d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d67d0515e4f4f40c629fe20bc1e644f91ac9771799f8a2d636ebd2133604bf5e
[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" "d67d0515e4f4f40c629fe20bc1e644f91ac9771799f8a2d636ebd2133604bf5e", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking serde v1.0.29
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking dlib v0.4.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking rusttype v0.4.1
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking rayon v1.0.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling serde_derive_internals v0.20.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.29
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.52.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.2
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking rusty_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/app/mod.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .map(|(i, &cell)| {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/app/mod.rs:59:30
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/app/state.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for i in 0..cells.capacity() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/app/mod.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .map(|(i, &cell)| {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/app/mod.rs:59:30
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/app/state.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for i in 0..cells.capacity() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "d67d0515e4f4f40c629fe20bc1e644f91ac9771799f8a2d636ebd2133604bf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67d0515e4f4f40c629fe20bc1e644f91ac9771799f8a2d636ebd2133604bf5e", kill_on_drop: false }`
[INFO] [stdout] d67d0515e4f4f40c629fe20bc1e644f91ac9771799f8a2d636ebd2133604bf5e