[INFO] cloning repository https://github.com/psy-core/simple-lexer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psy-core/simple-lexer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsy-core%2Fsimple-lexer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsy-core%2Fsimple-lexer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de003e55b1babe308b9e5de384503d4f4a5287fa [INFO] checking psy-core/simple-lexer against try#d83b14207998f47b18a34e930157ac0d7c18b16e for pr-149137 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsy-core%2Fsimple-lexer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/psy-core/simple-lexer [INFO] finished tweaking git repo https://github.com/psy-core/simple-lexer [INFO] tweaked toml for git repo https://github.com/psy-core/simple-lexer written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/psy-core/simple-lexer on toolchain d83b14207998f47b18a34e930157ac0d7c18b16e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/psy-core/simple-lexer 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" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcabb4ef2a88c163511d23582985c1c2d3832db21662f8d1d3bb3ca3de856f8a [INFO] running `Command { std: "docker" "start" "-a" "dcabb4ef2a88c163511d23582985c1c2d3832db21662f8d1d3bb3ca3de856f8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcabb4ef2a88c163511d23582985c1c2d3832db21662f8d1d3bb3ca3de856f8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcabb4ef2a88c163511d23582985c1c2d3832db21662f8d1d3bb3ca3de856f8a", kill_on_drop: false }` [INFO] [stdout] dcabb4ef2a88c163511d23582985c1c2d3832db21662f8d1d3bb3ca3de856f8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 141a0ce710e166d25e87baf57df092274eb628f7fe0ada11aa3381277378eb9f [INFO] running `Command { std: "docker" "start" "-a" "141a0ce710e166d25e87baf57df092274eb628f7fe0ada11aa3381277378eb9f", kill_on_drop: false }` [INFO] [stderr] Checking simple-lexer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/lexer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum DFAState { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 6 | If, [INFO] [stdout] | ^^ [INFO] [stdout] 7 | IdIf1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | IdIf2, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 9 | Else, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | IdElse1, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | IdElse2, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | IdElse3, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 13 | IdElse4, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 14 | Int, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/lexer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum DFAState { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 6 | If, [INFO] [stdout] | ^^ [INFO] [stdout] 7 | IdIf1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | IdIf2, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 9 | Else, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | IdElse1, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | IdElse2, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | IdElse3, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 13 | IdElse4, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 14 | Int, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `EQ`, `LE`, `LT`, `If`, `Else`, and `StringLiteral` are never constructed [INFO] [stdout] --> src/token.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 12 | EQ, // == [INFO] [stdout] | ^^ [INFO] [stdout] 13 | LE, // <= [INFO] [stdout] | ^^ [INFO] [stdout] 14 | LT, // < [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 22 | If, [INFO] [stdout] | ^^ [INFO] [stdout] 23 | Else, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | StringLiteral, //字符串字面量 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` 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: variants `EQ`, `LE`, `LT`, `If`, `Else`, and `StringLiteral` are never constructed [INFO] [stdout] --> src/token.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 12 | EQ, // == [INFO] [stdout] | ^^ [INFO] [stdout] 13 | LE, // <= [INFO] [stdout] | ^^ [INFO] [stdout] 14 | LT, // < [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 22 | If, [INFO] [stdout] | ^^ [INFO] [stdout] 23 | Else, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | StringLiteral, //字符串字面量 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` 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: methods `peek`, `unread`, `get_position`, and `set_position` are never used [INFO] [stdout] --> src/token.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 102 | pub trait TokenReader { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 103 | fn read(&mut self) -> Option<&Box>; [INFO] [stdout] 104 | fn peek(&self) -> Option<&Box>; [INFO] [stdout] | ^^^^ [INFO] [stdout] 105 | fn unread(&mut self); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 106 | fn get_position(&self) -> usize; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 107 | fn set_position(&mut self, position: usize); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek`, `unread`, `get_position`, and `set_position` are never used [INFO] [stdout] --> src/token.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 102 | pub trait TokenReader { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 103 | fn read(&mut self) -> Option<&Box>; [INFO] [stdout] 104 | fn peek(&self) -> Option<&Box>; [INFO] [stdout] | ^^^^ [INFO] [stdout] 105 | fn unread(&mut self); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 106 | fn get_position(&self) -> usize; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 107 | fn set_position(&mut self, position: usize); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer.rs:116:21 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn tokenize(&mut self, code: String) -> token::SimpleTokenReader { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 116 | pub fn tokenize(&mut self, code: String) -> token::SimpleTokenReader<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer.rs:116:21 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn tokenize(&mut self, code: String) -> token::SimpleTokenReader { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 116 | pub fn tokenize(&mut self, code: String) -> token::SimpleTokenReader<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "141a0ce710e166d25e87baf57df092274eb628f7fe0ada11aa3381277378eb9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "141a0ce710e166d25e87baf57df092274eb628f7fe0ada11aa3381277378eb9f", kill_on_drop: false }` [INFO] [stdout] 141a0ce710e166d25e87baf57df092274eb628f7fe0ada11aa3381277378eb9f