[INFO] cloning repository https://github.com/lshlyapnikov/grokking-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lshlyapnikov/grokking-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flshlyapnikov%2Fgrokking-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flshlyapnikov%2Fgrokking-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5cce67cceb595b89af1df13426ddd9d453c86a06 [INFO] checking lshlyapnikov/grokking-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flshlyapnikov%2Fgrokking-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lshlyapnikov/grokking-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lshlyapnikov/grokking-rust [INFO] finished tweaking git repo https://github.com/lshlyapnikov/grokking-rust [INFO] tweaked toml for git repo https://github.com/lshlyapnikov/grokking-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lshlyapnikov/grokking-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bigint-base10 v0.1.1 [INFO] [stderr] Downloaded quickcheck v0.2.27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 410cb0e93fe4fb0f909fe374eed1b0c609b94d2f31a222e584e127c2bf53e4a7 [INFO] running `Command { std: "docker" "start" "-a" "410cb0e93fe4fb0f909fe374eed1b0c609b94d2f31a222e584e127c2bf53e4a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "410cb0e93fe4fb0f909fe374eed1b0c609b94d2f31a222e584e127c2bf53e4a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "410cb0e93fe4fb0f909fe374eed1b0c609b94d2f31a222e584e127c2bf53e4a7", kill_on_drop: false }` [INFO] [stdout] 410cb0e93fe4fb0f909fe374eed1b0c609b94d2f31a222e584e127c2bf53e4a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6e5d9724e5991dfa6b2ef5d611c0292d3302f909e03371ed7132356e429e1b3 [INFO] running `Command { std: "docker" "start" "-a" "e6e5d9724e5991dfa6b2ef5d611c0292d3302f909e03371ed7132356e429e1b3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking bigint-base10 v0.1.1 [INFO] [stderr] Checking trampoline v0.1.0 (/opt/rustwide/workdir/crates/trampoline) [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking trampoline_tests v0.1.0 (/opt/rustwide/workdir/crates/trampoline_tests) [INFO] [stdout] warning: function `factorial_so1` is never used [INFO] [stdout] --> crates/trampoline_tests/src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn factorial_so1(n: u128) -> u128 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `factorial_so1` is never used [INFO] [stdout] --> crates/trampoline_tests/src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn factorial_so1(n: u128) -> u128 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.2.27 [INFO] [stderr] Checking grokking-rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `volumes` [INFO] [stdout] --> src/grok/waterpouring.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | let volumes: Vec = vec![0, max_volumes.len()]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_volumes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `required_volume` [INFO] [stdout] --> src/grok/waterpouring.rs:39:40 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_volume` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Action` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum Action { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `volumes` [INFO] [stdout] --> src/grok/waterpouring.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | let volumes: Vec = vec![0, max_volumes.len()]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_volumes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/grok/waterpouring.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HasChangeState` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait HasChangeState { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `required_volume` [INFO] [stdout] --> src/grok/waterpouring.rs:39:40 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_volume` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Action` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum Action { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/grok/waterpouring.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HasChangeState` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait HasChangeState { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s [INFO] running `Command { std: "docker" "inspect" "e6e5d9724e5991dfa6b2ef5d611c0292d3302f909e03371ed7132356e429e1b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6e5d9724e5991dfa6b2ef5d611c0292d3302f909e03371ed7132356e429e1b3", kill_on_drop: false }` [INFO] [stdout] e6e5d9724e5991dfa6b2ef5d611c0292d3302f909e03371ed7132356e429e1b3 [INFO] checking lshlyapnikov/grokking-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flshlyapnikov%2Fgrokking-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lshlyapnikov/grokking-rust on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lshlyapnikov/grokking-rust [INFO] finished tweaking git repo https://github.com/lshlyapnikov/grokking-rust [INFO] tweaked toml for git repo https://github.com/lshlyapnikov/grokking-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lshlyapnikov/grokking-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d92e62cfe0493b090a71e46311cc57338fd24b9a69c04016796928d37f8d313f [INFO] running `Command { std: "docker" "start" "-a" "d92e62cfe0493b090a71e46311cc57338fd24b9a69c04016796928d37f8d313f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d92e62cfe0493b090a71e46311cc57338fd24b9a69c04016796928d37f8d313f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d92e62cfe0493b090a71e46311cc57338fd24b9a69c04016796928d37f8d313f", kill_on_drop: false }` [INFO] [stdout] d92e62cfe0493b090a71e46311cc57338fd24b9a69c04016796928d37f8d313f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1343b533825dd5c973ce6e0a0ca2637fbcf6bb71b142d27547e9867ac271b8d [INFO] running `Command { std: "docker" "start" "-a" "b1343b533825dd5c973ce6e0a0ca2637fbcf6bb71b142d27547e9867ac271b8d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking bigint-base10 v0.1.1 [INFO] [stderr] Checking trampoline v0.1.0 (/opt/rustwide/workdir/crates/trampoline) [INFO] [stderr] Checking trampoline_tests v0.1.0 (/opt/rustwide/workdir/crates/trampoline_tests) [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stdout] warning: function `factorial_so1` is never used [INFO] [stdout] --> crates/trampoline_tests/src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn factorial_so1(n: u128) -> u128 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `factorial_so1` is never used [INFO] [stdout] --> crates/trampoline_tests/src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn factorial_so1(n: u128) -> u128 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.2.27 [INFO] [stderr] Checking grokking-rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `volumes` [INFO] [stdout] --> src/grok/waterpouring.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | let volumes: Vec = vec![0, max_volumes.len()]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_volumes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `required_volume` [INFO] [stdout] --> src/grok/waterpouring.rs:39:40 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_volume` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `volumes` [INFO] [stdout] --> src/grok/waterpouring.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | let volumes: Vec = vec![0, max_volumes.len()]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_volumes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `required_volume` [INFO] [stdout] --> src/grok/waterpouring.rs:39:40 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_volume` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Action` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum Action { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/grok/waterpouring.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HasChangeState` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait HasChangeState { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Action` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum Action { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/grok/waterpouring.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HasChangeState` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait HasChangeState { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/grok/waterpouring.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.42s [INFO] running `Command { std: "docker" "inspect" "b1343b533825dd5c973ce6e0a0ca2637fbcf6bb71b142d27547e9867ac271b8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1343b533825dd5c973ce6e0a0ca2637fbcf6bb71b142d27547e9867ac271b8d", kill_on_drop: false }` [INFO] [stdout] b1343b533825dd5c973ce6e0a0ca2637fbcf6bb71b142d27547e9867ac271b8d