[INFO] cloning repository https://github.com/agatti4/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/agatti4/Game-of-Life-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagatti4%2FGame-of-Life-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagatti4%2FGame-of-Life-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17e301ad037c402fd56bdb753478ff1632bdd6a5 [INFO] checking agatti4/Game-of-Life-Rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagatti4%2FGame-of-Life-Rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/agatti4/Game-of-Life-Rust [INFO] finished tweaking git repo https://github.com/agatti4/Game-of-Life-Rust [INFO] tweaked toml for git repo https://github.com/agatti4/Game-of-Life-Rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/agatti4/Game-of-Life-Rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/agatti4/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] deee896378f84456fd4c53063675b58c7dec2e8cac157d5e2d76ed71f3607fde [INFO] running `Command { std: "docker" "start" "-a" "deee896378f84456fd4c53063675b58c7dec2e8cac157d5e2d76ed71f3607fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "deee896378f84456fd4c53063675b58c7dec2e8cac157d5e2d76ed71f3607fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deee896378f84456fd4c53063675b58c7dec2e8cac157d5e2d76ed71f3607fde", kill_on_drop: false }` [INFO] [stdout] deee896378f84456fd4c53063675b58c7dec2e8cac157d5e2d76ed71f3607fde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c7bb74e1c3147da7c5253bdf27e172197498139674af162d6119a6904a02f46 [INFO] running `Command { std: "docker" "start" "-a" "0c7bb74e1c3147da7c5253bdf27e172197498139674af162d6119a6904a02f46", kill_on_drop: false }` [INFO] [stderr] Checking gol v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:204:113 [INFO] [stdout] | [INFO] [stdout] 204 | ... count = get_no_wrap_count(grid, num_rows.try_into().unwrap(), num_cols.try_into().unwrap(), i.try_into().unwrap(), j.try_into().unw... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:204:136 [INFO] [stdout] | [INFO] [stdout] 204 | ... count = get_no_wrap_count(grid, num_rows.try_into().unwrap(), num_cols.try_into().unwrap(), i.try_into().unwrap(), j.try_into().unw... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:206:110 [INFO] [stdout] | [INFO] [stdout] 206 | ... count = get_wrap_count(grid, num_rows.try_into().unwrap(), num_cols.try_into().unwrap(), i.try_into().unwrap(), j.try_into().unwrap... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:206:133 [INFO] [stdout] | [INFO] [stdout] 206 | ... count = get_wrap_count(grid, num_rows.try_into().unwrap(), num_cols.try_into().unwrap(), i.try_into().unwrap(), j.try_into().unwrap... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gol` (bin "gol") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:204:113 [INFO] [stdout] | [INFO] [stdout] 204 | ... count = get_no_wrap_count(grid, num_rows.try_into().unwrap(), num_cols.try_into().unwrap(), i.try_into().unwrap(), j.try_into().unw... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:204:136 [INFO] [stdout] | [INFO] [stdout] 204 | ... count = get_no_wrap_count(grid, num_rows.try_into().unwrap(), num_cols.try_into().unwrap(), i.try_into().unwrap(), j.try_into().unw... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:206:110 [INFO] [stdout] | [INFO] [stdout] 206 | ... count = get_wrap_count(grid, num_rows.try_into().unwrap(), num_cols.try_into().unwrap(), i.try_into().unwrap(), j.try_into().unwrap... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:206:133 [INFO] [stdout] | [INFO] [stdout] 206 | ... count = get_wrap_count(grid, num_rows.try_into().unwrap(), num_cols.try_into().unwrap(), i.try_into().unwrap(), j.try_into().unwrap... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gol` (bin "gol" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "0c7bb74e1c3147da7c5253bdf27e172197498139674af162d6119a6904a02f46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c7bb74e1c3147da7c5253bdf27e172197498139674af162d6119a6904a02f46", kill_on_drop: false }` [INFO] [stdout] 0c7bb74e1c3147da7c5253bdf27e172197498139674af162d6119a6904a02f46