[INFO] cloning repository https://github.com/pkowalski/rust-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pkowalski/rust-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkowalski%2Frust-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkowalski%2Frust-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80fcd1a6c5317fbb891bff3fd3d7f4624c93f9d3
[INFO] checking pkowalski/rust-life against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkowalski%2Frust-life" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pkowalski/rust-life on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pkowalski/rust-life
[INFO] finished tweaking git repo https://github.com/pkowalski/rust-life
[INFO] tweaked toml for git repo https://github.com/pkowalski/rust-life written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/pkowalski/rust-life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bcd03eb4c2ec0d2ceb716d2f3ba961425840f8fda0381c019734a4420b55a90
[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" "0bcd03eb4c2ec0d2ceb716d2f3ba961425840f8fda0381c019734a4420b55a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bcd03eb4c2ec0d2ceb716d2f3ba961425840f8fda0381c019734a4420b55a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcd03eb4c2ec0d2ceb716d2f3ba961425840f8fda0381c019734a4420b55a90", kill_on_drop: false }`
[INFO] [stdout] 0bcd03eb4c2ec0d2ceb716d2f3ba961425840f8fda0381c019734a4420b55a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e31942191fbeb1f144233d448be0f3d3b9d2dd3610c35d47ecb89d4ea0f03725
[INFO] running `Command { std: "docker" "start" "-a" "e31942191fbeb1f144233d448be0f3d3b9d2dd3610c35d47ecb89d4ea0f03725", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking num-rational v0.2.4
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[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
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rusttype v0.8.3
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[INFO] [stderr]     Checking bzip2 v0.3.3
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[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]     Checking lyon_path v0.13.2
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking lyon_algorithms v0.13.4
[INFO] [stderr]     Checking lyon_tessellation v0.13.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking lyon v0.13.5
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]     Checking glyph_brush v0.6.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking glutin_glx_sys v0.1.6
[INFO] [stderr]     Checking glyph_brush v0.5.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking gilrs-core v0.2.5
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking gilrs v0.7.4
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[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]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling ggez v0.5.1
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/grid.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (i, val) in self.cells.iter().enumerate() {
[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: `j`
[INFO] [stdout]   --> src/grid.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |             for (j, cell) in val.iter().enumerate() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/grid.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (i, val) in self.cells.iter().enumerate() {
[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: `j`
[INFO] [stdout]   --> src/grid.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |             for (j, cell) in val.iter().enumerate() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/grid.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(cells: Vec<Vec<i32>>) -> Grid {
[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: `display`
[INFO] [stdout]   --> src/grid.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn display(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/grid.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(cells: Vec<Vec<i32>>) -> Grid {
[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: `display`
[INFO] [stdout]   --> src/grid.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn display(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     app::main(g);
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     app::main(g);
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "e31942191fbeb1f144233d448be0f3d3b9d2dd3610c35d47ecb89d4ea0f03725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31942191fbeb1f144233d448be0f3d3b9d2dd3610c35d47ecb89d4ea0f03725", kill_on_drop: false }`
[INFO] [stdout] e31942191fbeb1f144233d448be0f3d3b9d2dd3610c35d47ecb89d4ea0f03725