[INFO] cloning repository https://github.com/powpow58/cpp-how-to-program-exercises-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/powpow58/cpp-how-to-program-exercises-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpowpow58%2Fcpp-how-to-program-exercises-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpowpow58%2Fcpp-how-to-program-exercises-in-rust'... 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[INFO] validating manifest of git repo https://github.com/powpow58/cpp-how-to-program-exercises-in-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/powpow58/cpp-how-to-program-exercises-in-rust [INFO] finished tweaking git repo https://github.com/powpow58/cpp-how-to-program-exercises-in-rust [INFO] tweaked toml for git repo https://github.com/powpow58/cpp-how-to-program-exercises-in-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/powpow58/cpp-how-to-program-exercises-in-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 0302ec333b373b2b104539ba137f0c3725c79b8b195a17a8e544ccec7846d5b5 [INFO] running `Command { std: "docker" "start" "-a" "0302ec333b373b2b104539ba137f0c3725c79b8b195a17a8e544ccec7846d5b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0302ec333b373b2b104539ba137f0c3725c79b8b195a17a8e544ccec7846d5b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0302ec333b373b2b104539ba137f0c3725c79b8b195a17a8e544ccec7846d5b5", kill_on_drop: false }` [INFO] [stdout] 0302ec333b373b2b104539ba137f0c3725c79b8b195a17a8e544ccec7846d5b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 5ff0784977680508c93c272a56f0504be542ed55f4e7f116818b1de6811bd001 [INFO] running `Command { std: "docker" "start" "-a" "5ff0784977680508c93c272a56f0504be542ed55f4e7f116818b1de6811bd001", kill_on_drop: false }` [INFO] [stderr] Checking cpp-how-to-program-exercises-in-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `withdraw` [INFO] [stdout] --> src/chapter_3/ex_09.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn withdraw(&mut self, withdrawal_amount: i32) { [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: `set_name` [INFO] [stdout] --> src/chapter_3/ex_09.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn set_name(&mut self, account_name: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part_number` [INFO] [stdout] --> src/chapter_3/ex_10.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | part_number: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part_description` [INFO] [stdout] --> src/chapter_3/ex_10.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | part_description: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `part_number` [INFO] [stdout] --> src/chapter_3/ex_10.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn part_number(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `part_description` [INFO] [stdout] --> src/chapter_3/ex_10.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn part_description(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `quantity` [INFO] [stdout] --> src/chapter_3/ex_10.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | fn quantity(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `price` [INFO] [stdout] --> src/chapter_3/ex_10.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | fn price(&self) -> &i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `part_number_mut` [INFO] [stdout] --> src/chapter_3/ex_10.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn part_number_mut(&mut self) -> &mut String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `part_description_mut` [INFO] [stdout] --> src/chapter_3/ex_10.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | fn part_description_mut(&mut self) -> &mut String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `quantity_mut` [INFO] [stdout] --> src/chapter_3/ex_10.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn quantity_mut(&mut self) -> &mut i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `price_mut` [INFO] [stdout] --> src/chapter_3/ex_10.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn price_mut(&mut self) -> &mut i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `first_name` [INFO] [stdout] --> src/chapter_3/ex_11.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn first_name(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_name` [INFO] [stdout] --> src/chapter_3/ex_11.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn last_name(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `monthly_salary` [INFO] [stdout] --> src/chapter_3/ex_11.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn monthly_salary(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `first_name_mut` [INFO] [stdout] --> src/chapter_3/ex_11.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn first_name_mut(&mut self) -> &mut String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_name_mut` [INFO] [stdout] --> src/chapter_3/ex_11.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn last_name_mut(&mut self) -> &mut String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_month` [INFO] [stdout] --> src/chapter_3/ex_12.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn get_month(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_month` [INFO] [stdout] --> src/chapter_3/ex_12.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn set_month(&mut self, month: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_day` [INFO] [stdout] --> src/chapter_3/ex_12.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_day(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_day` [INFO] [stdout] --> src/chapter_3/ex_12.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | fn set_day(&mut self, day: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_year` [INFO] [stdout] --> src/chapter_3/ex_12.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn get_year(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_year` [INFO] [stdout] --> src/chapter_3/ex_12.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn set_year(&mut self, year: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `withdraw` [INFO] [stdout] --> src/chapter_3/ex_09.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn withdraw(&mut self, withdrawal_amount: i32) { [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: `set_name` [INFO] [stdout] --> src/chapter_3/ex_09.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn set_name(&mut self, account_name: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part_number` [INFO] [stdout] --> src/chapter_3/ex_10.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | part_number: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part_description` [INFO] [stdout] --> src/chapter_3/ex_10.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | part_description: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `part_number` [INFO] [stdout] --> src/chapter_3/ex_10.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn part_number(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `part_description` [INFO] [stdout] --> src/chapter_3/ex_10.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn part_description(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `quantity` [INFO] [stdout] --> src/chapter_3/ex_10.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | fn quantity(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `price` [INFO] [stdout] --> src/chapter_3/ex_10.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | fn price(&self) -> &i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `part_number_mut` [INFO] [stdout] --> src/chapter_3/ex_10.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn part_number_mut(&mut self) -> &mut String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `part_description_mut` [INFO] [stdout] --> src/chapter_3/ex_10.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | fn part_description_mut(&mut self) -> &mut String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `quantity_mut` [INFO] [stdout] --> src/chapter_3/ex_10.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn quantity_mut(&mut self) -> &mut i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `price_mut` [INFO] [stdout] --> src/chapter_3/ex_10.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn price_mut(&mut self) -> &mut i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `first_name` [INFO] [stdout] --> src/chapter_3/ex_11.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn first_name(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_name` [INFO] [stdout] --> src/chapter_3/ex_11.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn last_name(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `monthly_salary` [INFO] [stdout] --> src/chapter_3/ex_11.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn monthly_salary(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `first_name_mut` [INFO] [stdout] --> src/chapter_3/ex_11.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn first_name_mut(&mut self) -> &mut String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_name_mut` [INFO] [stdout] --> src/chapter_3/ex_11.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn last_name_mut(&mut self) -> &mut String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_month` [INFO] [stdout] --> src/chapter_3/ex_12.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn get_month(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_month` [INFO] [stdout] --> src/chapter_3/ex_12.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn set_month(&mut self, month: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_day` [INFO] [stdout] --> src/chapter_3/ex_12.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_day(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_day` [INFO] [stdout] --> src/chapter_3/ex_12.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | fn set_day(&mut self, day: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_year` [INFO] [stdout] --> src/chapter_3/ex_12.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn get_year(&self) -> &i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_year` [INFO] [stdout] --> src/chapter_3/ex_12.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn set_year(&mut self, year: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "5ff0784977680508c93c272a56f0504be542ed55f4e7f116818b1de6811bd001", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ff0784977680508c93c272a56f0504be542ed55f4e7f116818b1de6811bd001", kill_on_drop: false }` [INFO] [stdout] 5ff0784977680508c93c272a56f0504be542ed55f4e7f116818b1de6811bd001