[INFO] cloning repository https://github.com/huongnguyen1602/rust_exercism [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huongnguyen1602/rust_exercism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuongnguyen1602%2Frust_exercism", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuongnguyen1602%2Frust_exercism'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eca3f3576382165601ae45edfc5eecb155a64c8e [INFO] testing huongnguyen1602/rust_exercism against 1.83.0 for beta-1.84.0-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuongnguyen1602%2Frust_exercism" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/huongnguyen1602/rust_exercism on toolchain 1.83.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/huongnguyen1602/rust_exercism [INFO] finished tweaking git repo https://github.com/huongnguyen1602/rust_exercism [INFO] tweaked toml for git repo https://github.com/huongnguyen1602/rust_exercism written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/huongnguyen1602/rust_exercism 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.169 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 167c295308188870cb6a43a2ba71ba4091f4868b33879541b9777c2f6a63a73d [INFO] running `Command { std: "docker" "start" "-a" "167c295308188870cb6a43a2ba71ba4091f4868b33879541b9777c2f6a63a73d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "167c295308188870cb6a43a2ba71ba4091f4868b33879541b9777c2f6a63a73d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "167c295308188870cb6a43a2ba71ba4091f4868b33879541b9777c2f6a63a73d", kill_on_drop: false }` [INFO] [stdout] 167c295308188870cb6a43a2ba71ba4091f4868b33879541b9777c2f6a63a73d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] acc0a9dbeef25540c812a2e9aba1e669a68088eed6953ac4a559f7f54fe3bd91 [INFO] running `Command { std: "docker" "start" "-a" "acc0a9dbeef25540c812a2e9aba1e669a68088eed6953ac4a559f7f54fe3bd91", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling time-core v0.1.1 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling time v0.3.23 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling rust_exercism v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x_size` [INFO] [stdout] --> src/main.rs:51:53 [INFO] [stdout] | [INFO] [stdout] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y_size` [INFO] [stdout] --> src/main.rs:51:69 [INFO] [stdout] | [INFO] [stdout] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `annotate` is never used [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn annotate(minefield: &[&str]) -> Vec{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_all_rows` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn handle_all_rows(rows: &[&str]) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_row` is never used [INFO] [stdout] --> src/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn handle_row(row: &str, index: &usize, minefield: &[&str]) -> String{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_surroundings` is never used [INFO] [stdout] --> src/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn count_surroundings(mine_field: &[&str], x_index: &usize, y_index: &usize, chr: &char) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_indices` is never used [INFO] [stdout] --> src/main.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.13s [INFO] running `Command { std: "docker" "inspect" "acc0a9dbeef25540c812a2e9aba1e669a68088eed6953ac4a559f7f54fe3bd91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acc0a9dbeef25540c812a2e9aba1e669a68088eed6953ac4a559f7f54fe3bd91", kill_on_drop: false }` [INFO] [stdout] acc0a9dbeef25540c812a2e9aba1e669a68088eed6953ac4a559f7f54fe3bd91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 067a54cd5e4b9fb6b71fa05da2b56b6c6dda6f1c81295f1c4dbc6708465d32e2 [INFO] running `Command { std: "docker" "start" "-a" "067a54cd5e4b9fb6b71fa05da2b56b6c6dda6f1c81295f1c4dbc6708465d32e2", kill_on_drop: false }` [INFO] [stderr] Compiling rust_exercism v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x_size` [INFO] [stdout] --> src/main.rs:51:53 [INFO] [stdout] | [INFO] [stdout] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y_size` [INFO] [stdout] --> src/main.rs:51:69 [INFO] [stdout] | [INFO] [stdout] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `annotate` is never used [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn annotate(minefield: &[&str]) -> Vec{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_all_rows` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn handle_all_rows(rows: &[&str]) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_row` is never used [INFO] [stdout] --> src/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn handle_row(row: &str, index: &usize, minefield: &[&str]) -> String{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_surroundings` is never used [INFO] [stdout] --> src/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn count_surroundings(mine_field: &[&str], x_index: &usize, y_index: &usize, chr: &char) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_indices` is never used [INFO] [stdout] --> src/main.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "067a54cd5e4b9fb6b71fa05da2b56b6c6dda6f1c81295f1c4dbc6708465d32e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "067a54cd5e4b9fb6b71fa05da2b56b6c6dda6f1c81295f1c4dbc6708465d32e2", kill_on_drop: false }` [INFO] [stdout] 067a54cd5e4b9fb6b71fa05da2b56b6c6dda6f1c81295f1c4dbc6708465d32e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 54f4fa10d691960f86930c4cb69e8698406bae9a15cd0523a34a8c4752ac1ae2 [INFO] running `Command { std: "docker" "start" "-a" "54f4fa10d691960f86930c4cb69e8698406bae9a15cd0523a34a8c4752ac1ae2", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `x_size` [INFO] [stderr] --> src/main.rs:51:53 [INFO] [stderr] | [INFO] [stderr] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y_size` [INFO] [stderr] --> src/main.rs:51:69 [INFO] [stderr] | [INFO] [stderr] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_size` [INFO] [stderr] [INFO] [stderr] warning: function `annotate` is never used [INFO] [stderr] --> src/main.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn annotate(minefield: &[&str]) -> Vec{ [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `handle_all_rows` is never used [INFO] [stderr] --> src/main.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn handle_all_rows(rows: &[&str]) -> Vec{ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `handle_row` is never used [INFO] [stderr] --> src/main.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn handle_row(row: &str, index: &usize, minefield: &[&str]) -> String{ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `count_surroundings` is never used [INFO] [stderr] --> src/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn count_surroundings(mine_field: &[&str], x_index: &usize, y_index: &usize, chr: &char) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `handle_indices` is never used [INFO] [stderr] --> src/main.rs:51:4 [INFO] [stderr] | [INFO] [stderr] 51 | fn handle_indices(x_index: &usize, y_index: &usize, x_size: &usize, y_size: &usize) -> Vec<(usize, usize)>{ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust_exercism` (bin "rust_exercism" test) generated 7 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_exercism-fd03466adb01f676) [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" "54f4fa10d691960f86930c4cb69e8698406bae9a15cd0523a34a8c4752ac1ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54f4fa10d691960f86930c4cb69e8698406bae9a15cd0523a34a8c4752ac1ae2", kill_on_drop: false }` [INFO] [stdout] 54f4fa10d691960f86930c4cb69e8698406bae9a15cd0523a34a8c4752ac1ae2