[INFO] cloning repository https://github.com/Malmz/pascal-parser-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Malmz/pascal-parser-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalmz%2Fpascal-parser-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalmz%2Fpascal-parser-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10481f4d90875a836580176c277d812a279c01b4 [INFO] checking Malmz/pascal-parser-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalmz%2Fpascal-parser-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Malmz/pascal-parser-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Malmz/pascal-parser-rs [INFO] finished tweaking git repo https://github.com/Malmz/pascal-parser-rs [INFO] tweaked toml for git repo https://github.com/Malmz/pascal-parser-rs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Malmz/pascal-parser-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] ed240423d7f13e9fc8f526604e56222898e83a4aafa55d3ae3d7c59308b712a6 [INFO] running `Command { std: "docker" "start" "-a" "ed240423d7f13e9fc8f526604e56222898e83a4aafa55d3ae3d7c59308b712a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed240423d7f13e9fc8f526604e56222898e83a4aafa55d3ae3d7c59308b712a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed240423d7f13e9fc8f526604e56222898e83a4aafa55d3ae3d7c59308b712a6", kill_on_drop: false }` [INFO] [stdout] ed240423d7f13e9fc8f526604e56222898e83a4aafa55d3ae3d7c59308b712a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 110ead4096e0abcd9ebd88bac59d9f40e0dd24d72484c5db6ad4559ac4ae2812 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "110ead4096e0abcd9ebd88bac59d9f40e0dd24d72484c5db6ad4559ac4ae2812", kill_on_drop: false }` [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns, advanced_slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: merged into `#![feature(slice_patterns)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected expression, found `=>` [INFO] [stdout] --> src/parser/lexer2.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | Some(val) if val != => { [INFO] [stdout] | ^^ expected expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns, advanced_slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: merged into `#![feature(slice_patterns)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected expression, found `=>` [INFO] [stdout] --> src/parser/lexer2.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | Some(val) if val != => { [INFO] [stdout] | ^^ expected expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/leaf.rs:24:36 [INFO] [stdout] | [INFO] [stdout] 24 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | l: Box, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | r: Box [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:15:43 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(op: BinOperator, left: Box, right: Box) -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:15:61 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(op: BinOperator, left: Box, right: Box) -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:27:28 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn left(&self) -> &Node { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:31:29 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn right(&self) -> &Node { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:37:36 [INFO] [stdout] | [INFO] [stdout] 37 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/unaryop.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | val: Box, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/unaryop.rs:14:44 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(op: UnaryOperator, val: Box) -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/unaryop.rs:25:27 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn val(&self) -> &Node { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/unaryop.rs:31:36 [INFO] [stdout] | [INFO] [stdout] 31 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/mod.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | fn accept(&self, visitor: &mut AstVisitor); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:14:58 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn evaluate(text: String) -> std::result::Result, ParseError> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:22:39 [INFO] [stdout] | [INFO] [stdout] 22 | fn expr(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:36:39 [INFO] [stdout] | [INFO] [stdout] 36 | fn term(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:50:41 [INFO] [stdout] | [INFO] [stdout] 50 | fn parens(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:57:41 [INFO] [stdout] | [INFO] [stdout] 57 | fn factor(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:61:42 [INFO] [stdout] | [INFO] [stdout] 61 | fn integer(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:68:40 [INFO] [stdout] | [INFO] [stdout] 68 | fn unary(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/leaf.rs:24:36 [INFO] [stdout] | [INFO] [stdout] 24 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | l: Box, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | r: Box [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:15:43 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(op: BinOperator, left: Box, right: Box) -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:15:61 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(op: BinOperator, left: Box, right: Box) -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:27:28 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn left(&self) -> &Node { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:31:29 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn right(&self) -> &Node { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/binop.rs:37:36 [INFO] [stdout] | [INFO] [stdout] 37 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/unaryop.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | val: Box, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/unaryop.rs:14:44 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(op: UnaryOperator, val: Box) -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/unaryop.rs:25:27 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn val(&self) -> &Node { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/unaryop.rs:31:36 [INFO] [stdout] | [INFO] [stdout] 31 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/ast/mod.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | fn accept(&self, visitor: &mut AstVisitor); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:14:58 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn evaluate(text: String) -> std::result::Result, ParseError> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:22:39 [INFO] [stdout] | [INFO] [stdout] 22 | fn expr(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:36:39 [INFO] [stdout] | [INFO] [stdout] 36 | fn term(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:50:41 [INFO] [stdout] | [INFO] [stdout] 50 | fn parens(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:57:41 [INFO] [stdout] | [INFO] [stdout] 57 | fn factor(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:61:42 [INFO] [stdout] | [INFO] [stdout] 61 | fn integer(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser/parser.rs:68:40 [INFO] [stdout] | [INFO] [stdout] 68 | fn unary(tokens: Tokens) -> Result, Tokens> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/parser/lexer2.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result: i32 = match chars.first() { [INFO] [stdout] | ___________________________- [INFO] [stdout] 35 | | Some(val) => match get_digit(*val) { [INFO] [stdout] 36 | | Some(val) if val != => { [INFO] [stdout] 37 | | chars = pop(chars); [INFO] [stdout] ... | [INFO] [stdout] 42 | | None => return None, [INFO] [stdout] 43 | | }; [INFO] [stdout] | |_____- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 44 | / loop { [INFO] [stdout] 45 | | match chars.first() { [INFO] [stdout] 46 | | Some(val) => match get_digit(*val) { [INFO] [stdout] 47 | | Some(val) => { [INFO] [stdout] ... | [INFO] [stdout] 54 | | } [INFO] [stdout] 55 | | } [INFO] [stdout] | |_____^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `parser` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/parser/lexer2.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result: i32 = match chars.first() { [INFO] [stdout] | ___________________________- [INFO] [stdout] 35 | | Some(val) => match get_digit(*val) { [INFO] [stdout] 36 | | Some(val) if val != => { [INFO] [stdout] 37 | | chars = pop(chars); [INFO] [stdout] ... | [INFO] [stdout] 42 | | None => return None, [INFO] [stdout] 43 | | }; [INFO] [stdout] | |_____- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 44 | / loop { [INFO] [stdout] 45 | | match chars.first() { [INFO] [stdout] 46 | | Some(val) => match get_digit(*val) { [INFO] [stdout] 47 | | Some(val) => { [INFO] [stdout] ... | [INFO] [stdout] 54 | | } [INFO] [stdout] 55 | | } [INFO] [stdout] | |_____^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "110ead4096e0abcd9ebd88bac59d9f40e0dd24d72484c5db6ad4559ac4ae2812", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "110ead4096e0abcd9ebd88bac59d9f40e0dd24d72484c5db6ad4559ac4ae2812", kill_on_drop: false }` [INFO] [stdout] 110ead4096e0abcd9ebd88bac59d9f40e0dd24d72484c5db6ad4559ac4ae2812