[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 try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkowalski%2Frust-life" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pkowalski/rust-life on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pkowalski/rust-life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 007be5b5905b9a0cfbaa687fdf6c04ff26cb2fd9750a816cce8d9f7ddf61d060
[INFO] running `Command { std: "docker" "start" "-a" "007be5b5905b9a0cfbaa687fdf6c04ff26cb2fd9750a816cce8d9f7ddf61d060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "007be5b5905b9a0cfbaa687fdf6c04ff26cb2fd9750a816cce8d9f7ddf61d060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007be5b5905b9a0cfbaa687fdf6c04ff26cb2fd9750a816cce8d9f7ddf61d060", kill_on_drop: false }`
[INFO] [stdout] 007be5b5905b9a0cfbaa687fdf6c04ff26cb2fd9750a816cce8d9f7ddf61d060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9168e2a0d552aae4dac090fe357ffa66d5990cc65a0298dbf1d2a3d286ada27
[INFO] running `Command { std: "docker" "start" "-a" "b9168e2a0d552aae4dac090fe357ffa66d5990cc65a0298dbf1d2a3d286ada27", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
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[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]     Checking lyon_geom v0.12.7
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking lyon_path v0.13.2
[INFO] [stderr]     Checking gilrs-core v0.2.5
[INFO] [stderr]     Checking lyon_tessellation v0.13.5
[INFO] [stderr]     Checking lyon_algorithms v0.13.4
[INFO] [stderr]     Checking gilrs v0.7.4
[INFO] [stderr]     Checking lyon v0.13.5
[INFO] [stderr]     Checking toml v0.5.6
[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
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[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 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 items `new` and `display` are never used
[INFO] [stdout]   --> src/grid.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Grid {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new(cells: Vec<Vec<i32>>) -> Grid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn display(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `display` are never used
[INFO] [stdout]   --> src/grid.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Grid {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new(cells: Vec<Vec<i32>>) -> Grid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn display(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = app::main(g);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = app::main(g);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.85s
[INFO] running `Command { std: "docker" "inspect" "b9168e2a0d552aae4dac090fe357ffa66d5990cc65a0298dbf1d2a3d286ada27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9168e2a0d552aae4dac090fe357ffa66d5990cc65a0298dbf1d2a3d286ada27", kill_on_drop: false }`
[INFO] [stdout] b9168e2a0d552aae4dac090fe357ffa66d5990cc65a0298dbf1d2a3d286ada27