[INFO] cloning repository https://github.com/gescalona1/conway-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gescalona1/conway-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgescalona1%2Fconway-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgescalona1%2Fconway-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2dc67db89b5cc4abc0f59e00c6a1a4c1f15fe31d [INFO] testing gescalona1/conway-rust against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgescalona1%2Fconway-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/gescalona1/conway-rust [INFO] finished tweaking git repo https://github.com/gescalona1/conway-rust [INFO] tweaked toml for git repo https://github.com/gescalona1/conway-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gescalona1/conway-rust on toolchain 1.100.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gescalona1/conway-rust 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a [INFO] running `Command { std: "docker" "start" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling gameoflife v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let mut conway_tick = |boa: &mut Board| { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `start_y` is never read [INFO] [stdout] --> src/main.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 60 | struct NeighborIter<'a> { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 63 | start_y: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 51 | fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling gameoflife v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let mut conway_tick = |boa: &mut Board| { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `start_y` is never read [INFO] [stdout] --> src/main.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 60 | struct NeighborIter<'a> { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 63 | start_y: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 51 | fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let mut conway_tick = |boa: &mut Board| { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `start_y` is never read [INFO] [stderr] --> src/main.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 60 | struct NeighborIter<'a> { [INFO] [stderr] | ------------ field in this struct [INFO] [stderr] ... [INFO] [stderr] 63 | start_y: usize, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | fn iter(&self) -> Iter { [INFO] [stderr] | ^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 51 | fn iter(&self) -> Iter<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `gameoflife` (bin "gameoflife" test) generated 3 warnings (run `cargo fix --bin "gameoflife" -p gameoflife --tests` to apply 2 suggestions) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/build/gameoflife/fc74c8ce9c9307da/out/gameoflife-fc74c8ce9c9307da) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a", kill_on_drop: false }` [INFO] [stdout] 56199781930d1f078cf8e7026ecc2be2361f8deb3f6f80434c2b8ff7f62a774a