[INFO] cloning repository https://github.com/J-Sparr0w/Js-Optimiser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/J-Sparr0w/Js-Optimiser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-Sparr0w%2FJs-Optimiser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-Sparr0w%2FJs-Optimiser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 843573ea48aee6edd71fb9c058f8776405f0c816 [INFO] building J-Sparr0w/Js-Optimiser 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%2FJ-Sparr0w%2FJs-Optimiser" "/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/J-Sparr0w/Js-Optimiser 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/J-Sparr0w/Js-Optimiser [INFO] finished tweaking git repo https://github.com/J-Sparr0w/Js-Optimiser [INFO] tweaked toml for git repo https://github.com/J-Sparr0w/Js-Optimiser written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/J-Sparr0w/Js-Optimiser 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] 34ca42f14d04fc485892a65bf1413afe5289e0c9366c8599a6f54abbe1973e9a [INFO] running `Command { std: "docker" "start" "-a" "34ca42f14d04fc485892a65bf1413afe5289e0c9366c8599a6f54abbe1973e9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34ca42f14d04fc485892a65bf1413afe5289e0c9366c8599a6f54abbe1973e9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34ca42f14d04fc485892a65bf1413afe5289e0c9366c8599a6f54abbe1973e9a", kill_on_drop: false }` [INFO] [stdout] 34ca42f14d04fc485892a65bf1413afe5289e0c9366c8599a6f54abbe1973e9a [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] 6a9908119b1a26075bdd117bfef07f1d0dbe576f7ce1c035a11b9088053e8cfb [INFO] running `Command { std: "docker" "start" "-a" "6a9908119b1a26075bdd117bfef07f1d0dbe576f7ce1c035a11b9088053e8cfb", kill_on_drop: false }` [INFO] [stderr] Compiling js_optimizer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::option::Iter` [INFO] [stdout] --> src/parser/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::option::Iter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block` [INFO] [stdout] --> src/parser/mod.rs:130:17 [INFO] [stdout] | [INFO] [stdout] 130 | let mut block = Block::new(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/mod.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | let mut block = Block::new(1); [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: variants `Block` and `Function` are never constructed [INFO] [stdout] --> src/parser/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum Scope { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 9 | Global, [INFO] [stdout] 10 | Block(i32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 11 | Function(String), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_no` is never read [INFO] [stdout] --> src/parser/mod.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Statement { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 26 | line_no: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Function` is never constructed [INFO] [stdout] --> src/parser/mod.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 58 | enum IdentKind { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 59 | Function { params: String, ret_val: String }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IdentKind` 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/mod.rs:68:14 [INFO] [stdout] | [INFO] [stdout] 68 | Constant(String), [INFO] [stdout] | -------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Value` 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] 68 | Constant(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Variable`, `VarExpression`, and `ConstExpression` are never constructed [INFO] [stdout] --> src/parser/mod.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 64 | enum Value { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 65 | Variable(Box), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 66 | VarExpression(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 67 | ConstExpression(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/parser/mod.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | struct TokenPos(u32, u32); [INFO] [stdout] | -------- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `TokenPos` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `value`, `kind`, `declared_at`, `used_at`, and `mutated_at` are never read [INFO] [stdout] --> src/parser/mod.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 76 | struct Identifier { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 77 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 78 | value: Value, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 79 | kind: IdentKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 80 | declared_at: TokenPos, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 81 | used_at: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 82 | mutated_at: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Identifier` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `end`, and `kind` are never read [INFO] [stdout] --> src/parser/mod.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 86 | struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 87 | start: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 88 | end: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 89 | kind: Scope, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `end_block` is never used [INFO] [stdout] --> src/parser/mod.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 92 | impl Block { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 101 | fn end_block(&mut self, line_no: u32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `blocks` and `curr_scope` are never read [INFO] [stdout] --> src/parser/mod.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 107 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 108 | sym_tab: Vec, [INFO] [stdout] 109 | blocks: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | curr_scope: Scope, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/main.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use js_optimizer::lexer::{Lexer, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Statement` [INFO] [stdout] --> src/main.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use js_optimizer::parser::{Parser, Statement}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | io::{Read, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_file` [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut output_file = File::create("output.js").unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out_buf` [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut out_buf = String::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parser` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let parser = Parser::parse_from_lexer(&lexer); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut output_file = File::create("output.js").unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut out_buf = String::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "6a9908119b1a26075bdd117bfef07f1d0dbe576f7ce1c035a11b9088053e8cfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a9908119b1a26075bdd117bfef07f1d0dbe576f7ce1c035a11b9088053e8cfb", kill_on_drop: false }` [INFO] [stdout] 6a9908119b1a26075bdd117bfef07f1d0dbe576f7ce1c035a11b9088053e8cfb [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] 55d0691d9be1adee6378b73208fa8ba21bcb78b4307e1a4c222187b24695b7a7 [INFO] running `Command { std: "docker" "start" "-a" "55d0691d9be1adee6378b73208fa8ba21bcb78b4307e1a4c222187b24695b7a7", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `std::option::Iter` [INFO] [stdout] --> src/parser/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::option::Iter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block` [INFO] [stdout] --> src/parser/mod.rs:130:17 [INFO] [stdout] | [INFO] [stdout] 130 | let mut block = Block::new(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/mod.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | let mut block = Block::new(1); [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: variants `Block` and `Function` are never constructed [INFO] [stdout] --> src/parser/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum Scope { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 9 | Global, [INFO] [stdout] 10 | Block(i32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 11 | Function(String), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_no` is never read [INFO] [stdout] --> src/parser/mod.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Statement { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 26 | line_no: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Function` is never constructed [INFO] [stdout] --> src/parser/mod.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 58 | enum IdentKind { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 59 | Function { params: String, ret_val: String }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IdentKind` 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/mod.rs:68:14 [INFO] [stdout] | [INFO] [stdout] 68 | Constant(String), [INFO] [stdout] | -------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Value` 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] 68 | Constant(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Variable`, `VarExpression`, and `ConstExpression` are never constructed [INFO] [stdout] --> src/parser/mod.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 64 | enum Value { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 65 | Variable(Box), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 66 | VarExpression(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 67 | ConstExpression(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/parser/mod.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | struct TokenPos(u32, u32); [INFO] [stdout] | -------- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `TokenPos` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `value`, `kind`, `declared_at`, `used_at`, and `mutated_at` are never read [INFO] [stdout] --> src/parser/mod.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 76 | struct Identifier { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 77 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 78 | value: Value, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 79 | kind: IdentKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 80 | declared_at: TokenPos, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 81 | used_at: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 82 | mutated_at: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Identifier` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `end`, and `kind` are never read [INFO] [stdout] --> src/parser/mod.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 86 | struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 87 | start: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 88 | end: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 89 | kind: Scope, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `end_block` is never used [INFO] [stdout] --> src/parser/mod.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 92 | impl Block { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 101 | fn end_block(&mut self, line_no: u32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `blocks` and `curr_scope` are never read [INFO] [stdout] --> src/parser/mod.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 107 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 108 | sym_tab: Vec, [INFO] [stdout] 109 | blocks: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | curr_scope: Scope, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling js_optimizer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/main.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use js_optimizer::lexer::{Lexer, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Statement` [INFO] [stdout] --> src/main.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use js_optimizer::parser::{Parser, Statement}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | io::{Read, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::option::Iter` [INFO] [stdout] --> src/parser/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::option::Iter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_file` [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut output_file = File::create("output.js").unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out_buf` [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut out_buf = String::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parser` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let parser = Parser::parse_from_lexer(&lexer); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut output_file = File::create("output.js").unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut out_buf = String::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block` [INFO] [stdout] --> src/parser/mod.rs:130:17 [INFO] [stdout] | [INFO] [stdout] 130 | let mut block = Block::new(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/mod.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | let mut block = Block::new(1); [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: variants `Block` and `Function` are never constructed [INFO] [stdout] --> src/parser/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum Scope { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 9 | Global, [INFO] [stdout] 10 | Block(i32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 11 | Function(String), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_no` is never read [INFO] [stdout] --> src/parser/mod.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Statement { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 26 | line_no: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Function` is never constructed [INFO] [stdout] --> src/parser/mod.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 58 | enum IdentKind { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 59 | Function { params: String, ret_val: String }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IdentKind` 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/mod.rs:68:14 [INFO] [stdout] | [INFO] [stdout] 68 | Constant(String), [INFO] [stdout] | -------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Value` 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] 68 | Constant(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Variable`, `VarExpression`, and `ConstExpression` are never constructed [INFO] [stdout] --> src/parser/mod.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 64 | enum Value { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 65 | Variable(Box), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 66 | VarExpression(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 67 | ConstExpression(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/parser/mod.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | struct TokenPos(u32, u32); [INFO] [stdout] | -------- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `TokenPos` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `value`, `kind`, `declared_at`, `used_at`, and `mutated_at` are never read [INFO] [stdout] --> src/parser/mod.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 76 | struct Identifier { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 77 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 78 | value: Value, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 79 | kind: IdentKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 80 | declared_at: TokenPos, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 81 | used_at: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 82 | mutated_at: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Identifier` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `end`, and `kind` are never read [INFO] [stdout] --> src/parser/mod.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 86 | struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 87 | start: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 88 | end: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 89 | kind: Scope, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `end_block` is never used [INFO] [stdout] --> src/parser/mod.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 92 | impl Block { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 101 | fn end_block(&mut self, line_no: u32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `blocks` and `curr_scope` are never read [INFO] [stdout] --> src/parser/mod.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 107 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 108 | sym_tab: Vec, [INFO] [stdout] 109 | blocks: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | curr_scope: Scope, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "55d0691d9be1adee6378b73208fa8ba21bcb78b4307e1a4c222187b24695b7a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55d0691d9be1adee6378b73208fa8ba21bcb78b4307e1a4c222187b24695b7a7", kill_on_drop: false }` [INFO] [stdout] 55d0691d9be1adee6378b73208fa8ba21bcb78b4307e1a4c222187b24695b7a7