[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrykStronski%2Fsudoku" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PatrykStronski/sudoku on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded csv-core v0.1.10 [INFO] [stderr] Downloaded serde v1.0.106 [INFO] [stderr] Downloaded itoa v0.4.5 [INFO] [stderr] Downloaded regex-automata v0.1.9 [INFO] [stderr] Downloaded proc-macro2 v1.0.10 [INFO] [stderr] Downloaded ryu v1.0.3 [INFO] [stderr] Downloaded serde_derive v1.0.106 [INFO] [stderr] Downloaded syn v1.0.17 [INFO] [stderr] Downloaded bstr v0.2.12 [INFO] [stderr] Downloaded csv v1.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] be676c0ea05b67ffa6079fe8be8558e21d22098fa9862acfb92df3bffcd896be [INFO] running `Command { std: "docker" "start" "-a" "be676c0ea05b67ffa6079fe8be8558e21d22098fa9862acfb92df3bffcd896be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be676c0ea05b67ffa6079fe8be8558e21d22098fa9862acfb92df3bffcd896be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be676c0ea05b67ffa6079fe8be8558e21d22098fa9862acfb92df3bffcd896be", kill_on_drop: false }` [INFO] [stdout] be676c0ea05b67ffa6079fe8be8558e21d22098fa9862acfb92df3bffcd896be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6a1a18297e0401c96abe0c3440e93e05dac92b73c3e5c9cb6746929f35358e1b [INFO] running `Command { std: "docker" "start" "-a" "6a1a18297e0401c96abe0c3440e93e05dac92b73c3e5c9cb6746929f35358e1b", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking ryu v1.0.3 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling syn v1.0.17 [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 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [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 23.45s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking sudoku v0.1.0 (/tmp/fixit) [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 0.66s [INFO] running `Command { std: "docker" "inspect" "6a1a18297e0401c96abe0c3440e93e05dac92b73c3e5c9cb6746929f35358e1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a1a18297e0401c96abe0c3440e93e05dac92b73c3e5c9cb6746929f35358e1b", kill_on_drop: false }` [INFO] [stdout] 6a1a18297e0401c96abe0c3440e93e05dac92b73c3e5c9cb6746929f35358e1b