Sep 01 17:27:06.325 INFO checking Lapz/tox against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851 Sep 01 17:27:06.325 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets Sep 01 17:27:06.326 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/try#952c7dbfa2628309f557b367929ffc17af20b332:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 17:27:06.497 INFO blam! a0403ee4a92f236d103da5e061c0bcf102aa81f3f509884eaa715cd4d239be18 Sep 01 17:27:06.499 INFO running `"docker" "start" "-a" "a0403ee4a92f236d103da5e061c0bcf102aa81f3f509884eaa715cd4d239be18"` Sep 01 17:27:07.333 INFO kablam! Checking util v0.1.0 (file:///source/util) Sep 01 17:27:07.333 INFO kablam! Checking pretty_assertions v0.4.1 Sep 01 17:27:07.336 INFO kablam! Compiling structopt-derive v0.1.6 Sep 01 17:27:07.337 INFO kablam! Checking structopt v0.1.7 Sep 01 17:27:08.318 INFO kablam! Checking syntax v0.1.0 (file:///source/syntax) Sep 01 17:27:09.023 INFO kablam! warning: unused `#[macro_use]` import Sep 01 17:27:09.023 INFO kablam! --> syntax/src/lib.rs:2:1 Sep 01 17:27:09.023 INFO kablam! | Sep 01 17:27:09.023 INFO kablam! 2 | #[macro_use] Sep 01 17:27:09.023 INFO kablam! | ^^^^^^^^^^^^ Sep 01 17:27:09.023 INFO kablam! | Sep 01 17:27:09.023 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 17:27:09.023 INFO kablam! Sep 01 17:27:12.206 INFO kablam! Checking interpreter v0.1.0 (file:///source/interpreter) Sep 01 17:27:12.207 INFO kablam! Checking vm v0.1.0 (file:///source/vm) Sep 01 17:27:12.207 INFO kablam! Checking frontend v0.1.0 (file:///source/frontend) Sep 01 17:27:13.075 INFO kablam! warning: unused import: `syntax::ast::expr::*` Sep 01 17:27:13.075 INFO kablam! --> vm/src/compiler.rs:4:5 Sep 01 17:27:13.075 INFO kablam! | Sep 01 17:27:13.075 INFO kablam! 4 | use syntax::ast::expr::*; Sep 01 17:27:13.075 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:13.075 INFO kablam! | Sep 01 17:27:13.076 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 17:27:13.076 INFO kablam! Sep 01 17:27:13.077 INFO kablam! warning: unused import: `syntax::ast::statement::Statement` Sep 01 17:27:13.077 INFO kablam! --> vm/src/compiler.rs:5:5 Sep 01 17:27:13.077 INFO kablam! | Sep 01 17:27:13.077 INFO kablam! 5 | use syntax::ast::statement::Statement; Sep 01 17:27:13.077 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:13.077 INFO kablam! Sep 01 17:27:13.239 INFO kablam! warning: unused import: `syntax::ast::expr::*` Sep 01 17:27:13.239 INFO kablam! --> vm/src/compiler.rs:4:5 Sep 01 17:27:13.239 INFO kablam! | Sep 01 17:27:13.239 INFO kablam! 4 | use syntax::ast::expr::*; Sep 01 17:27:13.239 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:13.239 INFO kablam! | Sep 01 17:27:13.239 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 17:27:13.239 INFO kablam! Sep 01 17:27:13.240 INFO kablam! warning: unused import: `syntax::ast::statement::Statement` Sep 01 17:27:13.240 INFO kablam! --> vm/src/compiler.rs:5:5 Sep 01 17:27:13.240 INFO kablam! | Sep 01 17:27:13.240 INFO kablam! 5 | use syntax::ast::statement::Statement; Sep 01 17:27:13.240 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:13.240 INFO kablam! Sep 01 17:27:13.391 INFO kablam! warning: unused `#[macro_use]` import Sep 01 17:27:13.391 INFO kablam! --> frontend/src/lib.rs:7:1 Sep 01 17:27:13.391 INFO kablam! | Sep 01 17:27:13.391 INFO kablam! 7 | #[macro_use] Sep 01 17:27:13.391 INFO kablam! | ^^^^^^^^^^^^ Sep 01 17:27:13.391 INFO kablam! | Sep 01 17:27:13.391 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 17:27:13.391 INFO kablam! Sep 01 17:27:13.391 INFO kablam! warning: unused import: `std::rc::Rc` Sep 01 17:27:13.391 INFO kablam! --> frontend/src/env.rs:4:5 Sep 01 17:27:13.391 INFO kablam! | Sep 01 17:27:13.391 INFO kablam! 4 | use std::rc::Rc; Sep 01 17:27:13.391 INFO kablam! | ^^^^^^^^^^^ Sep 01 17:27:13.391 INFO kablam! Sep 01 17:27:13.391 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols` Sep 01 17:27:13.391 INFO kablam! --> frontend/src/env.rs:6:20 Sep 01 17:27:13.392 INFO kablam! | Sep 01 17:27:13.392 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols}; Sep 01 17:27:13.392 INFO kablam! | ^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^ Sep 01 17:27:13.392 INFO kablam! Sep 01 17:27:13.392 INFO kablam! warning: unused import: `util::Unique` Sep 01 17:27:13.392 INFO kablam! --> frontend/src/env.rs:7:5 Sep 01 17:27:13.392 INFO kablam! | Sep 01 17:27:13.392 INFO kablam! 7 | use util::Unique; Sep 01 17:27:13.392 INFO kablam! | ^^^^^^^^^^^^ Sep 01 17:27:13.392 INFO kablam! Sep 01 17:27:13.426 INFO kablam! warning: unused `#[macro_use]` import Sep 01 17:27:13.426 INFO kablam! --> frontend/src/lib.rs:7:1 Sep 01 17:27:13.426 INFO kablam! | Sep 01 17:27:13.426 INFO kablam! 7 | #[macro_use] Sep 01 17:27:13.426 INFO kablam! | ^^^^^^^^^^^^ Sep 01 17:27:13.426 INFO kablam! | Sep 01 17:27:13.426 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 17:27:13.426 INFO kablam! Sep 01 17:27:13.426 INFO kablam! warning: unused import: `std::rc::Rc` Sep 01 17:27:13.426 INFO kablam! --> frontend/src/env.rs:4:5 Sep 01 17:27:13.426 INFO kablam! | Sep 01 17:27:13.426 INFO kablam! 4 | use std::rc::Rc; Sep 01 17:27:13.426 INFO kablam! | ^^^^^^^^^^^ Sep 01 17:27:13.426 INFO kablam! Sep 01 17:27:13.426 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols` Sep 01 17:27:13.426 INFO kablam! --> frontend/src/env.rs:6:20 Sep 01 17:27:13.426 INFO kablam! | Sep 01 17:27:13.426 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols}; Sep 01 17:27:13.426 INFO kablam! | ^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^ Sep 01 17:27:13.426 INFO kablam! Sep 01 17:27:13.426 INFO kablam! warning: unused import: `util::Unique` Sep 01 17:27:13.427 INFO kablam! --> frontend/src/env.rs:7:5 Sep 01 17:27:13.427 INFO kablam! | Sep 01 17:27:13.427 INFO kablam! 7 | use util::Unique; Sep 01 17:27:13.427 INFO kablam! | ^^^^^^^^^^^^ Sep 01 17:27:13.427 INFO kablam! Sep 01 17:27:14.518 INFO kablam! warning: struct is never constructed: `Compiler` Sep 01 17:27:14.518 INFO kablam! --> vm/src/compiler.rs:8:1 Sep 01 17:27:14.518 INFO kablam! | Sep 01 17:27:14.518 INFO kablam! 8 | struct Compiler { Sep 01 17:27:14.518 INFO kablam! | ^^^^^^^^^^^^^^^ Sep 01 17:27:14.518 INFO kablam! | Sep 01 17:27:14.518 INFO kablam! = note: #[warn(dead_code)] on by default Sep 01 17:27:14.518 INFO kablam! Sep 01 17:27:14.519 INFO kablam! warning: method is never used: `new` Sep 01 17:27:14.519 INFO kablam! --> vm/src/compiler.rs:14:5 Sep 01 17:27:14.519 INFO kablam! | Sep 01 17:27:14.519 INFO kablam! 14 | pub fn new() -> Self { Sep 01 17:27:14.519 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:14.519 INFO kablam! Sep 01 17:27:14.519 INFO kablam! warning: method is never used: `build_op` Sep 01 17:27:14.519 INFO kablam! --> vm/src/compiler.rs:21:5 Sep 01 17:27:14.519 INFO kablam! | Sep 01 17:27:14.519 INFO kablam! 21 | fn build_op(&mut self, op: OpCode) { Sep 01 17:27:14.519 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:14.519 INFO kablam! Sep 01 17:27:14.589 INFO kablam! warning: struct is never constructed: `Compiler` Sep 01 17:27:14.589 INFO kablam! --> vm/src/compiler.rs:8:1 Sep 01 17:27:14.589 INFO kablam! | Sep 01 17:27:14.589 INFO kablam! 8 | struct Compiler { Sep 01 17:27:14.589 INFO kablam! | ^^^^^^^^^^^^^^^ Sep 01 17:27:14.589 INFO kablam! | Sep 01 17:27:14.589 INFO kablam! = note: #[warn(dead_code)] on by default Sep 01 17:27:14.589 INFO kablam! Sep 01 17:27:14.590 INFO kablam! warning: method is never used: `new` Sep 01 17:27:14.590 INFO kablam! --> vm/src/compiler.rs:14:5 Sep 01 17:27:14.590 INFO kablam! | Sep 01 17:27:14.590 INFO kablam! 14 | pub fn new() -> Self { Sep 01 17:27:14.590 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:14.590 INFO kablam! Sep 01 17:27:14.590 INFO kablam! warning: method is never used: `build_op` Sep 01 17:27:14.590 INFO kablam! --> vm/src/compiler.rs:21:5 Sep 01 17:27:14.590 INFO kablam! | Sep 01 17:27:14.590 INFO kablam! 21 | fn build_op(&mut self, op: OpCode) { Sep 01 17:27:14.590 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:14.590 INFO kablam! Sep 01 17:27:14.618 INFO kablam! warning: function is never used: `built_in_trim` Sep 01 17:27:14.618 INFO kablam! --> interpreter/src/builtins.rs:91:1 Sep 01 17:27:14.618 INFO kablam! | Sep 01 17:27:14.618 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result { Sep 01 17:27:14.618 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:14.619 INFO kablam! | Sep 01 17:27:14.619 INFO kablam! = note: #[warn(dead_code)] on by default Sep 01 17:27:14.619 INFO kablam! Sep 01 17:27:14.938 INFO kablam! warning: unused variable: `entry` Sep 01 17:27:14.938 INFO kablam! --> frontend/src/infer/mod.rs:56:37 Sep 01 17:27:14.938 INFO kablam! | Sep 01 17:27:14.938 INFO kablam! 56 | if let Some(mut entry) = ctx.look_type(sclass.value) {} Sep 01 17:27:14.938 INFO kablam! | ^^^^^ help: consider using `_entry` instead Sep 01 17:27:14.939 INFO kablam! | Sep 01 17:27:14.939 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 01 17:27:14.939 INFO kablam! Sep 01 17:27:14.947 INFO kablam! warning: function is never used: `built_in_trim` Sep 01 17:27:14.948 INFO kablam! --> interpreter/src/builtins.rs:91:1 Sep 01 17:27:14.948 INFO kablam! | Sep 01 17:27:14.948 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result { Sep 01 17:27:14.948 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 17:27:14.948 INFO kablam! | Sep 01 17:27:14.948 INFO kablam! = note: #[warn(dead_code)] on by default Sep 01 17:27:14.948 INFO kablam! Sep 01 17:27:15.146 INFO kablam! warning: unused variable: `entry` Sep 01 17:27:15.146 INFO kablam! --> frontend/src/infer/mod.rs:56:37 Sep 01 17:27:15.146 INFO kablam! | Sep 01 17:27:15.146 INFO kablam! 56 | if let Some(mut entry) = ctx.look_type(sclass.value) {} Sep 01 17:27:15.146 INFO kablam! | ^^^^^ help: consider using `_entry` instead Sep 01 17:27:15.146 INFO kablam! | Sep 01 17:27:15.146 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 01 17:27:15.146 INFO kablam! Sep 01 17:27:15.519 INFO kablam! Checking tox v0.2.0 (file:///source/tox) Sep 01 17:27:16.274 INFO kablam! warning: unused variable: `ast` Sep 01 17:27:16.274 INFO kablam! --> tox/src/main.rs:64:13 Sep 01 17:27:16.274 INFO kablam! | Sep 01 17:27:16.274 INFO kablam! 64 | let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() { Sep 01 17:27:16.274 INFO kablam! | ^^^ help: consider using `_ast` instead Sep 01 17:27:16.274 INFO kablam! | Sep 01 17:27:16.274 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 01 17:27:16.274 INFO kablam! Sep 01 17:27:16.275 INFO kablam! warning: unused variable: `penv` Sep 01 17:27:16.275 INFO kablam! --> tox/src/main.rs:104:55 Sep 01 17:27:16.275 INFO kablam! | Sep 01 17:27:16.275 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) { Sep 01 17:27:16.275 INFO kablam! | ^^^^ help: consider using `_penv` instead Sep 01 17:27:16.275 INFO kablam! Sep 01 17:27:16.326 INFO kablam! warning: unused variable: `ast` Sep 01 17:27:16.326 INFO kablam! --> tox/src/main.rs:64:13 Sep 01 17:27:16.326 INFO kablam! | Sep 01 17:27:16.326 INFO kablam! 64 | let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() { Sep 01 17:27:16.326 INFO kablam! | ^^^ help: consider using `_ast` instead Sep 01 17:27:16.326 INFO kablam! | Sep 01 17:27:16.326 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 01 17:27:16.326 INFO kablam! Sep 01 17:27:16.327 INFO kablam! warning: unused variable: `penv` Sep 01 17:27:16.327 INFO kablam! --> tox/src/main.rs:104:55 Sep 01 17:27:16.327 INFO kablam! | Sep 01 17:27:16.327 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) { Sep 01 17:27:16.327 INFO kablam! | ^^^^ help: consider using `_penv` instead Sep 01 17:27:16.327 INFO kablam! Sep 01 17:27:16.376 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 9.16s Sep 01 17:27:16.390 INFO kablam! su: No module specific data is present Sep 01 17:27:16.856 INFO running `"docker" "rm" "-f" "a0403ee4a92f236d103da5e061c0bcf102aa81f3f509884eaa715cd4d239be18"` Sep 01 17:27:16.983 INFO blam! a0403ee4a92f236d103da5e061c0bcf102aa81f3f509884eaa715cd4d239be18