[INFO] fetching crate merge-lang 0.1.2... [INFO] checking merge-lang-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate merge-lang 0.1.2 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate merge-lang 0.1.2 [INFO] finished tweaking crates.io crate merge-lang 0.1.2 [INFO] tweaked toml for crates.io crate merge-lang 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate merge-lang 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate merge-lang 0.1.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bytestring v1.3.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.49 [INFO] [stderr] Downloaded thiserror v1.0.49 [INFO] [stderr] Downloaded aho-corasick v1.1.1 [INFO] [stderr] Downloaded regex v1.9.6 [INFO] [stderr] Downloaded regex-syntax v0.7.5 [INFO] [stderr] Downloaded regex-automata v0.3.9 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fa4eae59a24f24e3687d4a7822aa3f7618843132099062e31ea7f3f17dc1f6a [INFO] running `Command { std: "docker" "start" "-a" "8fa4eae59a24f24e3687d4a7822aa3f7618843132099062e31ea7f3f17dc1f6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fa4eae59a24f24e3687d4a7822aa3f7618843132099062e31ea7f3f17dc1f6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fa4eae59a24f24e3687d4a7822aa3f7618843132099062e31ea7f3f17dc1f6a", kill_on_drop: false }` [INFO] [stdout] 8fa4eae59a24f24e3687d4a7822aa3f7618843132099062e31ea7f3f17dc1f6a [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea57d5045ece5fdfe152eeb222c2ad4a3e6b170514ed3c5484c378bc8dfd2705 [INFO] running `Command { std: "docker" "start" "-a" "ea57d5045ece5fdfe152eeb222c2ad4a3e6b170514ed3c5484c378bc8dfd2705", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Compiling thiserror v1.0.49 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking bytestring v1.3.0 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking regex-automata v0.3.9 [INFO] [stderr] Compiling thiserror-impl v1.0.49 [INFO] [stderr] Checking regex v1.9.6 [INFO] [stderr] Checking merge-lang v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `keyword` [INFO] [stdout] --> src/inline/langs.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | macro_rules! keyword { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task::Task` [INFO] [stdout] --> src/main.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | use task::Task; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `keyword` [INFO] [stdout] --> src/inline/langs.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | macro_rules! keyword { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task::Task` [INFO] [stdout] --> src/main.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | use task::Task; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser/parser.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 91 | Some(Token::Identifier(_)) => { [INFO] [stdout] | -------------------------- matches all the relevant values [INFO] [stdout] ... [INFO] [stdout] 128 | Some(Token::Identifier(_)) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `curly_bracket_count` [INFO] [stdout] --> src/parser/parser.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut curly_bracket_count = Vec::::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curly_bracket_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `take` [INFO] [stdout] --> src/parser/parser.rs:60:34 [INFO] [stdout] | [INFO] [stdout] 60 | Some(Token::Bridge { take, send }) => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `take: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `send` [INFO] [stdout] --> src/parser/parser.rs:60:40 [INFO] [stdout] | [INFO] [stdout] 60 | Some(Token::Bridge { take, send }) => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `send: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/parser.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | let mut curly_bracket_count = Vec::::new(); [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: unreachable pattern [INFO] [stdout] --> src/parser/parser.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 91 | Some(Token::Identifier(_)) => { [INFO] [stdout] | -------------------------- matches all the relevant values [INFO] [stdout] ... [INFO] [stdout] 128 | Some(Token::Identifier(_)) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `curly_bracket_count` [INFO] [stdout] --> src/parser/parser.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut curly_bracket_count = Vec::::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curly_bracket_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `take` [INFO] [stdout] --> src/parser/parser.rs:60:34 [INFO] [stdout] | [INFO] [stdout] 60 | Some(Token::Bridge { take, send }) => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `take: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `send` [INFO] [stdout] --> src/parser/parser.rs:60:40 [INFO] [stdout] | [INFO] [stdout] 60 | Some(Token::Bridge { take, send }) => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `send: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/parser.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | let mut curly_bracket_count = Vec::::new(); [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: associated items `from` and `to_str` are never used [INFO] [stdout] --> src/inline/langs.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 33 | impl InLang { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 34 | // TODO: this is ambigious by the case size (upper - lower) [INFO] [stdout] 35 | fn from(lang: &str) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn to_str(&self) -> &str { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Logger` is never constructed [INFO] [stdout] --> src/log/logger.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Logger { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Destination` is never used [INFO] [stdout] --> src/log/logger.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | enum Destination { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LoggerOptions` is never constructed [INFO] [stdout] --> src/log/logger.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct LoggerOptions { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `set_options` are never used [INFO] [stdout] --> src/log/logger.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 31 | impl Logger { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 32 | fn new(destination: Destination) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn set_options(&mut self, options: LoggerOptions) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InvalidToken` and `IncompleteToken` are never constructed [INFO] [stdout] --> src/parser/error/syntax.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum SyntaxError { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 8 | #[error("Invalid token: {0}")] [INFO] [stdout] 9 | InvalidToken(String), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 10 | #[error("Expected: {0}, found: {1}")] [INFO] [stdout] 11 | IncompleteToken(String, String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SyntaxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser/error/syntax.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | UnexpectedToken(Token), [INFO] [stdout] | --------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 - UnexpectedToken(Token), [INFO] [stdout] 17 + UnexpectedToken(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Syntax` is never constructed [INFO] [stdout] --> src/parser/error/syntax.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum ParserError { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 16 | Syntax(SyntaxError), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `opts` is never read [INFO] [stdout] --> src/prep/preprocessor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Preprocessor<'a> { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 5 | tokens: &'a mut Vec, [INFO] [stdout] 6 | opts: PreprocessorOpts, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Preprocessor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `comments` is never read [INFO] [stdout] --> src/prep/preprocessor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct PreprocessorOpts { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 11 | comments: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PreprocessorOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Task` is never used [INFO] [stdout] --> src/task/task.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Task { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TaskManager` is never constructed [INFO] [stdout] --> src/task/task.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct TaskManager { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `pop`, `push`, and `run_all` are never used [INFO] [stdout] --> src/task/task.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl TaskManager { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 13 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn pop(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn push(&mut self, task: Box) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn run_all(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: borrow of moved value: `tokens` [INFO] [stdout] --> src/main.rs:255:9 [INFO] [stdout] | [INFO] [stdout] 246 | let mut tokens = lexer.tokenize(); [INFO] [stdout] | ---------- move occurs because `tokens` has type `Vec`, which does not implement the `Copy` trait [INFO] [stdout] ... [INFO] [stdout] 251 | let mut parser = parser::Parser::new(tokens); [INFO] [stdout] | ------ value moved here [INFO] [stdout] ... [INFO] [stdout] 255 | tokens.iter().for_each(|i| { [INFO] [stdout] | ^^^^^^ value borrowed here after move [INFO] [stdout] | [INFO] [stdout] note: consider changing this parameter type in method `new` to borrow instead if owning the value isn't necessary [INFO] [stdout] --> src/parser/parser.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(tokens: Vec) -> Self { [INFO] [stdout] | --- ^^^^^^^^^^ this parameter takes ownership of the value [INFO] [stdout] | | [INFO] [stdout] | in this method [INFO] [stdout] = note: borrow occurs due to deref coercion to `[token::Token]` [INFO] [stdout] help: consider cloning the value if the performance cost is acceptable [INFO] [stdout] | [INFO] [stdout] 251 | let mut parser = parser::Parser::new(tokens.clone()); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0382`. [INFO] [stdout] [INFO] [stderr] error: could not compile `merge-lang` (bin "merge-lang" test) due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ea57d5045ece5fdfe152eeb222c2ad4a3e6b170514ed3c5484c378bc8dfd2705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea57d5045ece5fdfe152eeb222c2ad4a3e6b170514ed3c5484c378bc8dfd2705", kill_on_drop: false }` [INFO] [stdout] ea57d5045ece5fdfe152eeb222c2ad4a3e6b170514ed3c5484c378bc8dfd2705