[INFO] cloning repository https://github.com/Jekton/lessjs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jekton/lessjs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekton%2Flessjs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekton%2Flessjs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06dab995fe73f404b188fc136d7999a7749639ee [INFO] checking Jekton/lessjs against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekton%2Flessjs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Jekton/lessjs [INFO] finished tweaking git repo https://github.com/Jekton/lessjs [INFO] tweaked toml for git repo https://github.com/Jekton/lessjs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Jekton/lessjs on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Jekton/lessjs 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4339ffe1736e0f5feff2e8a02c369c4c71bab23a510ca89f3e9d98a3d8896698 [INFO] running `Command { std: "docker" "start" "-a" "4339ffe1736e0f5feff2e8a02c369c4c71bab23a510ca89f3e9d98a3d8896698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4339ffe1736e0f5feff2e8a02c369c4c71bab23a510ca89f3e9d98a3d8896698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4339ffe1736e0f5feff2e8a02c369c4c71bab23a510ca89f3e9d98a3d8896698", kill_on_drop: false }` [INFO] [stdout] 4339ffe1736e0f5feff2e8a02c369c4c71bab23a510ca89f3e9d98a3d8896698 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41db4ce91dd496c06988c9691a02fa4dc1032ece7dbceb8d49450a9915e9bd53 [INFO] running `Command { std: "docker" "start" "-a" "41db4ce91dd496c06988c9691a02fa4dc1032ece7dbceb8d49450a9915e9bd53", kill_on_drop: false }` [INFO] [stderr] Checking lessjs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `Call` is never constructed [INFO] [stdout] --> src/parser/mod.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 14 | enum Precedence { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 21 | Call, // myFunction() [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Precedence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lexer/mod.rs:15:35 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(input: &'a str) -> Lexer { [INFO] [stdout] | -- ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(input: &'a str) -> Lexer<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Node` is never used [INFO] [stdout] --> src/ast.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Node : ToString { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Expression` is never used [INFO] [stdout] --> src/ast.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | pub trait Expression : Node { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Statement` is never used [INFO] [stdout] --> src/ast.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | pub trait Statement : Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Program` is never constructed [INFO] [stdout] --> src/ast.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct Program { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Identifier` is never constructed [INFO] [stdout] --> src/ast.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Identifier { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NumberLiteral` is never constructed [INFO] [stdout] --> src/ast.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | pub struct NumberLiteral { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NoOpExpression` is never constructed [INFO] [stdout] --> src/ast.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct NoOpExpression; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PrefixExpression` is never constructed [INFO] [stdout] --> src/ast.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub struct PrefixExpression { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InfixExpression` is never constructed [INFO] [stdout] --> src/ast.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 89 | pub struct InfixExpression { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LetStatement` is never constructed [INFO] [stdout] --> src/ast.rs:116:12 [INFO] [stdout] | [INFO] [stdout] 116 | pub struct LetStatement { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ReturnStatement` is never constructed [INFO] [stdout] --> src/ast.rs:129:12 [INFO] [stdout] | [INFO] [stdout] 129 | pub struct ReturnStatement { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ExpressionStatement` is never constructed [INFO] [stdout] --> src/ast.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | pub struct ExpressionStatement { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `PrefixParseFn` is never used [INFO] [stdout] --> src/parser/mod.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type PrefixParseFn = fn(&mut Parser) -> Option>; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `InfixParseFn` is never used [INFO] [stdout] --> src/parser/mod.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 11 | type InfixParseFn = fn(&mut Parser, Box) -> Option>; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Precedence` is never used [INFO] [stdout] --> src/parser/mod.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | enum Precedence { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser/mod.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct Parser<'a> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/parser/mod.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 55 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 56 | pub fn new(lexer: Lexer<'a>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn errors(&self) -> &Vec { &self.errors } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 87 | [INFO] [stdout] 88 | pub fn parse_program(&mut self) -> ast::Program { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | pub fn parse_statement(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn parse_let_statement(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 128 | fn parse_return_statement(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | fn parse_expression_statement(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 150 | fn parse_expression(&mut self, precedence: Precedence) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 175 | fn parse_identifier(parser: &mut Parser) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn parse_number(parser: &mut Parser) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 210 | fn parse_prefix_expression(parser: &mut Parser) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | fn parse_infix_expression(parser: &mut Parser, lhs: Box) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 235 | fn next_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 240 | fn expect_peak(&mut self, expect: TokenKind) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 250 | fn peak_error(&mut self, expect: TokenKind) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 256 | fn no_prefix_error(&mut self, kind: TokenKind) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 261 | fn peak_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 268 | fn current_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lexer/mod.rs:15:35 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(input: &'a str) -> Lexer { [INFO] [stdout] | -- ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(input: &'a str) -> Lexer<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "41db4ce91dd496c06988c9691a02fa4dc1032ece7dbceb8d49450a9915e9bd53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41db4ce91dd496c06988c9691a02fa4dc1032ece7dbceb8d49450a9915e9bd53", kill_on_drop: false }` [INFO] [stdout] 41db4ce91dd496c06988c9691a02fa4dc1032ece7dbceb8d49450a9915e9bd53