[INFO] cloning repository https://github.com/hillonyechekwa/game-of-life-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hillonyechekwa/game-of-life-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhillonyechekwa%2Fgame-of-life-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhillonyechekwa%2Fgame-of-life-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e14412bdf397c8e78de2a38c3cc194daf4c2eeaf [INFO] checking hillonyechekwa/game-of-life-rust against try#411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51 for pr-138844 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhillonyechekwa%2Fgame-of-life-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hillonyechekwa/game-of-life-rust on toolchain 411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hillonyechekwa/game-of-life-rust [INFO] finished tweaking git repo https://github.com/hillonyechekwa/game-of-life-rust [INFO] tweaked toml for git repo https://github.com/hillonyechekwa/game-of-life-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hillonyechekwa/game-of-life-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" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding getrandom v0.1.16 [INFO] [stderr] Adding libc v0.2.171 [INFO] [stderr] Adding ppv-lite86 v0.2.21 [INFO] [stderr] Adding proc-macro2 v1.0.94 [INFO] [stderr] Adding quote v1.0.40 [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.0) [INFO] [stderr] Adding rand_chacha v0.2.2 [INFO] [stderr] Adding rand_core v0.5.1 [INFO] [stderr] Adding rand_hc v0.2.0 [INFO] [stderr] Adding syn v2.0.100 [INFO] [stderr] Adding unicode-ident v1.0.18 [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 [INFO] [stderr] Adding zerocopy v0.8.24 [INFO] [stderr] Adding zerocopy-derive v0.8.24 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b7b171a751646eda36dcba48333afcf2e46ee460c8bfcbc68faa33d30ad3d2d [INFO] running `Command { std: "docker" "start" "-a" "0b7b171a751646eda36dcba48333afcf2e46ee460c8bfcbc68faa33d30ad3d2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b7b171a751646eda36dcba48333afcf2e46ee460c8bfcbc68faa33d30ad3d2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b7b171a751646eda36dcba48333afcf2e46ee460c8bfcbc68faa33d30ad3d2d", kill_on_drop: false }` [INFO] [stdout] 0b7b171a751646eda36dcba48333afcf2e46ee460c8bfcbc68faa33d30ad3d2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c856018f47bbf379069133b16d8fa01635e1edd9b5d8ed6a827d2f171b33a41 [INFO] running `Command { std: "docker" "start" "-a" "8c856018f47bbf379069133b16d8fa01635e1edd9b5d8ed6a827d2f171b33a41", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking life v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `thread` and `time` [INFO] [stdout] --> src/main.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread` and `time` [INFO] [stdout] --> src/main.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generations` [INFO] [stdout] --> src/main.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut generations = 0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generations` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let mut generations = 0; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `census` is never used [INFO] [stdout] --> src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn census(_world: [[u8; 75]; 75]) -> u16 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generation` is never used [INFO] [stdout] --> src/main.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn generation(_world: [[u8; 75]; 75]) -> [[u8; 75]; 75]{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generations` [INFO] [stdout] --> src/main.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut generations = 0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generations` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let mut generations = 0; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `census` is never used [INFO] [stdout] --> src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn census(_world: [[u8; 75]; 75]) -> u16 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generation` is never used [INFO] [stdout] --> src/main.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn generation(_world: [[u8; 75]; 75]) -> [[u8; 75]; 75]{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s [INFO] running `Command { std: "docker" "inspect" "8c856018f47bbf379069133b16d8fa01635e1edd9b5d8ed6a827d2f171b33a41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c856018f47bbf379069133b16d8fa01635e1edd9b5d8ed6a827d2f171b33a41", kill_on_drop: false }` [INFO] [stdout] 8c856018f47bbf379069133b16d8fa01635e1edd9b5d8ed6a827d2f171b33a41