[INFO] updating cached repository https://github.com/iwburns/rusty-life
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b63e298086cc1f2028e3851403ef2f9780204165
[INFO] checking iwburns/rusty-life against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwburns%2Frusty-life" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iwburns/rusty-life on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/iwburns/rusty-life already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b252da765661b0ea6b6cf0e322e803a1e9ff1a60e1fda3707fdb3d5d3ead8e0b
[INFO] running `"docker" "start" "-a" "b252da765661b0ea6b6cf0e322e803a1e9ff1a60e1fda3707fdb3d5d3ead8e0b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking dlib v0.4.0
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking rusttype v0.4.1
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking rayon v1.0.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.2
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.52.0
[INFO] [stderr]     Checking rusty_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/app/mod.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |             .map(|(i, &cell)| {
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/app/mod.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/app/state.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         for i in 0..cells.capacity() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/app/mod.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |             .map(|(i, &cell)| {
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/app/mod.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/app/state.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         for i in 0..cells.capacity() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "b252da765661b0ea6b6cf0e322e803a1e9ff1a60e1fda3707fdb3d5d3ead8e0b"`
[INFO] running `"docker" "rm" "-f" "b252da765661b0ea6b6cf0e322e803a1e9ff1a60e1fda3707fdb3d5d3ead8e0b"`
[INFO] [stdout] b252da765661b0ea6b6cf0e322e803a1e9ff1a60e1fda3707fdb3d5d3ead8e0b