[INFO] cloning repository https://github.com/PatrykStronski/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PatrykStronski/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrykStronski%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrykStronski%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 952b894501e0b359a1d47cef7375735cc23a6c8f [INFO] checking PatrykStronski/sudoku against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrykStronski%2Fsudoku" "/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/PatrykStronski/sudoku on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PatrykStronski/sudoku [INFO] finished tweaking git repo https://github.com/PatrykStronski/sudoku [INFO] tweaked toml for git repo https://github.com/PatrykStronski/sudoku written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/PatrykStronski/sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", 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] 1d3f7768e37509787d977eb3b681d4b9bf0744c43265c7db0ccf0be1a4a0743b [INFO] running `Command { std: "docker" "start" "-a" "1d3f7768e37509787d977eb3b681d4b9bf0744c43265c7db0ccf0be1a4a0743b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d3f7768e37509787d977eb3b681d4b9bf0744c43265c7db0ccf0be1a4a0743b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d3f7768e37509787d977eb3b681d4b9bf0744c43265c7db0ccf0be1a4a0743b", kill_on_drop: false }` [INFO] [stdout] 1d3f7768e37509787d977eb3b681d4b9bf0744c43265c7db0ccf0be1a4a0743b [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91330d15228c317438eb19a7a509b7d0c40ed22fa4a9612aafe11896bed9f409 [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" "91330d15228c317438eb19a7a509b7d0c40ed22fa4a9612aafe11896bed9f409", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking bstr v0.2.12 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `print_board` [INFO] [stdout] --> src/sudoku.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn print_board(&self, board: Vec) -> String { [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: `print_current_board` [INFO] [stdout] --> src/sudoku.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn print_current_board(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_errors_with_solution` [INFO] [stdout] --> src/sudoku.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn get_errors_with_solution(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_quantity_empty_fields` [INFO] [stdout] --> src/sudoku.rs:153:12 [INFO] [stdout] | [INFO] [stdout] 153 | pub fn get_quantity_empty_fields(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_board` [INFO] [stdout] --> src/sudoku.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn print_board(&self, board: Vec) -> String { [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: `print_current_board` [INFO] [stdout] --> src/sudoku.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn print_current_board(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_errors_with_solution` [INFO] [stdout] --> src/sudoku.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn get_errors_with_solution(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_quantity_empty_fields` [INFO] [stdout] --> src/sudoku.rs:153:12 [INFO] [stdout] | [INFO] [stdout] 153 | pub fn get_quantity_empty_fields(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.72s [INFO] running `Command { std: "docker" "inspect" "91330d15228c317438eb19a7a509b7d0c40ed22fa4a9612aafe11896bed9f409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91330d15228c317438eb19a7a509b7d0c40ed22fa4a9612aafe11896bed9f409", kill_on_drop: false }` [INFO] [stdout] 91330d15228c317438eb19a7a509b7d0c40ed22fa4a9612aafe11896bed9f409