[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] building Jekton/lessjs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekton%2Flessjs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jekton/lessjs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2be53cf5337ea59bdac6fe8574acfd57a4bd3b6bf433b9942ddc1318c7578c3e [INFO] running `Command { std: "docker" "start" "-a" "2be53cf5337ea59bdac6fe8574acfd57a4bd3b6bf433b9942ddc1318c7578c3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2be53cf5337ea59bdac6fe8574acfd57a4bd3b6bf433b9942ddc1318c7578c3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2be53cf5337ea59bdac6fe8574acfd57a4bd3b6bf433b9942ddc1318c7578c3e", kill_on_drop: false }` [INFO] [stdout] 2be53cf5337ea59bdac6fe8574acfd57a4bd3b6bf433b9942ddc1318c7578c3e [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31aa49a0bd65726190bce98ef0d8c2fb854ff00e53484f10da61968b3f3947bd [INFO] running `Command { std: "docker" "start" "-a" "31aa49a0bd65726190bce98ef0d8c2fb854ff00e53484f10da61968b3f3947bd", kill_on_drop: false }` [INFO] [stderr] Compiling lessjs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lexer/mod.rs:15:35 [INFO] [stdout] | [INFO] [stdout] 14 | impl<'a> Lexer<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 15 | pub fn new(input: &'a str) -> Lexer { [INFO] [stdout] | ^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [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] = note: `#[warn(dead_code)]` on by default [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: variants `Lowest`, `Prefix`, and `Call` are never constructed [INFO] [stdout] --> src/parser/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | enum Precedence { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 15 | Lowest, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | Prefix, // - or ! [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] [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "31aa49a0bd65726190bce98ef0d8c2fb854ff00e53484f10da61968b3f3947bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31aa49a0bd65726190bce98ef0d8c2fb854ff00e53484f10da61968b3f3947bd", kill_on_drop: false }` [INFO] [stdout] 31aa49a0bd65726190bce98ef0d8c2fb854ff00e53484f10da61968b3f3947bd [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15536f3ab97145fe43930c00fa309ac9312d130fcc1908ba43f76382871ce4fc [INFO] running `Command { std: "docker" "start" "-a" "15536f3ab97145fe43930c00fa309ac9312d130fcc1908ba43f76382871ce4fc", kill_on_drop: false }` [INFO] [stderr] Compiling lessjs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lexer/mod.rs:15:35 [INFO] [stdout] | [INFO] [stdout] 14 | impl<'a> Lexer<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 15 | pub fn new(input: &'a str) -> Lexer { [INFO] [stdout] | ^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "15536f3ab97145fe43930c00fa309ac9312d130fcc1908ba43f76382871ce4fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15536f3ab97145fe43930c00fa309ac9312d130fcc1908ba43f76382871ce4fc", kill_on_drop: false }` [INFO] [stdout] 15536f3ab97145fe43930c00fa309ac9312d130fcc1908ba43f76382871ce4fc