[INFO] cloning repository https://github.com/iPolyomino/parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iPolyomino/parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPolyomino%2Fparser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPolyomino%2Fparser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c6836d7cb5f160a51c205a841da8824562bf5de [INFO] checking iPolyomino/parser against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPolyomino%2Fparser" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iPolyomino/parser on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iPolyomino/parser [INFO] finished tweaking git repo https://github.com/iPolyomino/parser [INFO] tweaked toml for git repo https://github.com/iPolyomino/parser written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iPolyomino/parser 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4951708bff875cfca40ebd902a0a1fac4f98d2530814a67459e84d592a36a48 [INFO] running `Command { std: "docker" "start" "-a" "a4951708bff875cfca40ebd902a0a1fac4f98d2530814a67459e84d592a36a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4951708bff875cfca40ebd902a0a1fac4f98d2530814a67459e84d592a36a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4951708bff875cfca40ebd902a0a1fac4f98d2530814a67459e84d592a36a48", kill_on_drop: false }` [INFO] [stdout] a4951708bff875cfca40ebd902a0a1fac4f98d2530814a67459e84d592a36a48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3055efe15ee298cdf3f494bfb2046194f3a7e53fe6237eda5057c096c4d31559 [INFO] running `Command { std: "docker" "start" "-a" "3055efe15ee298cdf3f494bfb2046194f3a7e53fe6237eda5057c096c4d31559", kill_on_drop: false }` [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | b'0'...b'9' => lex_a_token!(lex_number(input, pos)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | b'0'...b'9' => lex_a_token!(lex_number(input, pos)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:383:25 [INFO] [stdout] | [INFO] [stdout] 383 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 383 | let (e, loc): (&dyn StdError, Loc) = match self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:383:25 [INFO] [stdout] | [INFO] [stdout] 383 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 383 | let (e, loc): (&dyn StdError, Loc) = match self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:164:29 [INFO] [stdout] | [INFO] [stdout] 164 | fn lex_number(input: &[u8], mut pos: usize) -> Result<(Token, usize), LexError> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:173:30 [INFO] [stdout] | [INFO] [stdout] 173 | fn skip_spaces(input: &[u8], mut pos: usize) -> Result<((), usize), LexError> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:164:29 [INFO] [stdout] | [INFO] [stdout] 164 | fn lex_number(input: &[u8], mut pos: usize) -> Result<(Token, usize), LexError> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:173:30 [INFO] [stdout] | [INFO] [stdout] 173 | fn skip_spaces(input: &[u8], mut pos: usize) -> Result<((), usize), LexError> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `num` is never used [INFO] [stdout] --> src/main.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 211 | impl Ast { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 212 | fn num(n: u64, loc: Loc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `UnexpectedToken` is never constructed [INFO] [stdout] --> src/main.rs:413:5 [INFO] [stdout] | [INFO] [stdout] 412 | enum ParseError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 413 | UnexpectedToken(Token), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `UnexpectedToken` is never constructed [INFO] [stdout] --> src/main.rs:413:5 [INFO] [stdout] | [INFO] [stdout] 412 | enum ParseError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 413 | UnexpectedToken(Token), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 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 0.26s [INFO] running `Command { std: "docker" "inspect" "3055efe15ee298cdf3f494bfb2046194f3a7e53fe6237eda5057c096c4d31559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3055efe15ee298cdf3f494bfb2046194f3a7e53fe6237eda5057c096c4d31559", kill_on_drop: false }` [INFO] [stdout] 3055efe15ee298cdf3f494bfb2046194f3a7e53fe6237eda5057c096c4d31559 [INFO] checking iPolyomino/parser against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPolyomino%2Fparser" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iPolyomino/parser on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iPolyomino/parser [INFO] finished tweaking git repo https://github.com/iPolyomino/parser [INFO] tweaked toml for git repo https://github.com/iPolyomino/parser written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/iPolyomino/parser 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cacd0b485436301ee5a9b20bd409334e7e116eee4d04f056ce151373149cea4d [INFO] running `Command { std: "docker" "start" "-a" "cacd0b485436301ee5a9b20bd409334e7e116eee4d04f056ce151373149cea4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cacd0b485436301ee5a9b20bd409334e7e116eee4d04f056ce151373149cea4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cacd0b485436301ee5a9b20bd409334e7e116eee4d04f056ce151373149cea4d", kill_on_drop: false }` [INFO] [stdout] cacd0b485436301ee5a9b20bd409334e7e116eee4d04f056ce151373149cea4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bccbc5b38152e149e97773228ee9dcaf2f4198716dd8c1019dc08101fd38a215 [INFO] running `Command { std: "docker" "start" "-a" "bccbc5b38152e149e97773228ee9dcaf2f4198716dd8c1019dc08101fd38a215", kill_on_drop: false }` [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | b'0'...b'9' => lex_a_token!(lex_number(input, pos)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | b'0'...b'9' => lex_a_token!(lex_number(input, pos)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:383:25 [INFO] [stdout] | [INFO] [stdout] 383 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 383 | let (e, loc): (&dyn StdError, Loc) = match self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:383:25 [INFO] [stdout] | [INFO] [stdout] 383 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 383 | let (e, loc): (&dyn StdError, Loc) = match self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:164:29 [INFO] [stdout] | [INFO] [stdout] 164 | fn lex_number(input: &[u8], mut pos: usize) -> Result<(Token, usize), LexError> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:173:30 [INFO] [stdout] | [INFO] [stdout] 173 | fn skip_spaces(input: &[u8], mut pos: usize) -> Result<((), usize), LexError> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:164:29 [INFO] [stdout] | [INFO] [stdout] 164 | fn lex_number(input: &[u8], mut pos: usize) -> Result<(Token, usize), LexError> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:173:30 [INFO] [stdout] | [INFO] [stdout] 173 | fn skip_spaces(input: &[u8], mut pos: usize) -> Result<((), usize), LexError> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `UnexpectedToken` is never constructed [INFO] [stdout] --> src/main.rs:413:5 [INFO] [stdout] | [INFO] [stdout] 412 | enum ParseError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 413 | UnexpectedToken(Token), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `num` is never used [INFO] [stdout] --> src/main.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 211 | impl Ast { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 212 | fn num(n: u64, loc: Loc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `UnexpectedToken` is never constructed [INFO] [stdout] --> src/main.rs:413:5 [INFO] [stdout] | [INFO] [stdout] 412 | enum ParseError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 413 | UnexpectedToken(Token), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 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 0.21s [INFO] running `Command { std: "docker" "inspect" "bccbc5b38152e149e97773228ee9dcaf2f4198716dd8c1019dc08101fd38a215", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bccbc5b38152e149e97773228ee9dcaf2f4198716dd8c1019dc08101fd38a215", kill_on_drop: false }` [INFO] [stdout] bccbc5b38152e149e97773228ee9dcaf2f4198716dd8c1019dc08101fd38a215