Sep 04 00:20:11.916 INFO checking Lapz/tox against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 00:20:11.916 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 00:20:11.916 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 00:20:12.143 INFO blam! bb9c14b8be883de6039499dfb11f32375b9c525fb15d231e9bcfd95da243028d
Sep 04 00:20:12.145 INFO running `"docker" "start" "-a" "bb9c14b8be883de6039499dfb11f32375b9c525fb15d231e9bcfd95da243028d"`
Sep 04 00:20:13.025 INFO kablam!     Checking util v0.1.0 (file:///source/util)
Sep 04 00:20:13.025 INFO kablam!     Checking pretty_assertions v0.4.1
Sep 04 00:20:13.026 INFO kablam!     Checking structopt v0.1.7
Sep 04 00:20:14.209 INFO kablam!     Checking syntax v0.1.0 (file:///source/syntax)
Sep 04 00:20:14.775 INFO kablam! warning: unused `#[macro_use]` import
Sep 04 00:20:14.775 INFO kablam!  --> syntax/src/lib.rs:2:1
Sep 04 00:20:14.775 INFO kablam!   |
Sep 04 00:20:14.775 INFO kablam! 2 | #[macro_use]
Sep 04 00:20:14.775 INFO kablam!   | ^^^^^^^^^^^^
Sep 04 00:20:14.775 INFO kablam!   |
Sep 04 00:20:14.775 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 00:20:14.775 INFO kablam! 
Sep 04 00:20:17.007 INFO kablam!     Checking interpreter v0.1.0 (file:///source/interpreter)
Sep 04 00:20:17.007 INFO kablam!     Checking vm v0.1.0 (file:///source/vm)
Sep 04 00:20:17.007 INFO kablam!     Checking frontend v0.1.0 (file:///source/frontend)
Sep 04 00:20:17.434 INFO kablam! warning: unused `#[macro_use]` import
Sep 04 00:20:17.434 INFO kablam!  --> frontend/src/lib.rs:7:1
Sep 04 00:20:17.434 INFO kablam!   |
Sep 04 00:20:17.434 INFO kablam! 7 | #[macro_use]
Sep 04 00:20:17.434 INFO kablam!   | ^^^^^^^^^^^^
Sep 04 00:20:17.434 INFO kablam!   |
Sep 04 00:20:17.434 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 00:20:17.434 INFO kablam! 
Sep 04 00:20:17.434 INFO kablam! warning: unused import: `std::rc::Rc`
Sep 04 00:20:17.434 INFO kablam!  --> frontend/src/env.rs:4:5
Sep 04 00:20:17.434 INFO kablam!   |
Sep 04 00:20:17.434 INFO kablam! 4 | use std::rc::Rc;
Sep 04 00:20:17.435 INFO kablam!   |     ^^^^^^^^^^^
Sep 04 00:20:17.435 INFO kablam! 
Sep 04 00:20:17.435 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Sep 04 00:20:17.435 INFO kablam!  --> frontend/src/env.rs:6:20
Sep 04 00:20:17.435 INFO kablam!   |
Sep 04 00:20:17.435 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Sep 04 00:20:17.435 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Sep 04 00:20:17.435 INFO kablam! 
Sep 04 00:20:17.435 INFO kablam! warning: unused import: `util::Unique`
Sep 04 00:20:17.435 INFO kablam!  --> frontend/src/env.rs:7:5
Sep 04 00:20:17.435 INFO kablam!   |
Sep 04 00:20:17.435 INFO kablam! 7 | use util::Unique;
Sep 04 00:20:17.435 INFO kablam!   |     ^^^^^^^^^^^^
Sep 04 00:20:17.435 INFO kablam! 
Sep 04 00:20:17.518 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Sep 04 00:20:17.518 INFO kablam!  --> vm/src/compiler.rs:4:5
Sep 04 00:20:17.518 INFO kablam!   |
Sep 04 00:20:17.518 INFO kablam! 4 | use syntax::ast::expr::*;
Sep 04 00:20:17.518 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:17.519 INFO kablam!   |
Sep 04 00:20:17.519 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 00:20:17.519 INFO kablam! 
Sep 04 00:20:17.519 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Sep 04 00:20:17.519 INFO kablam!  --> vm/src/compiler.rs:5:5
Sep 04 00:20:17.519 INFO kablam!   |
Sep 04 00:20:17.519 INFO kablam! 5 | use syntax::ast::statement::Statement;
Sep 04 00:20:17.519 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:17.519 INFO kablam! 
Sep 04 00:20:17.693 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Sep 04 00:20:17.693 INFO kablam!  --> vm/src/compiler.rs:4:5
Sep 04 00:20:17.693 INFO kablam!   |
Sep 04 00:20:17.693 INFO kablam! 4 | use syntax::ast::expr::*;
Sep 04 00:20:17.693 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:17.693 INFO kablam!   |
Sep 04 00:20:17.693 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 00:20:17.694 INFO kablam! 
Sep 04 00:20:17.694 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Sep 04 00:20:17.694 INFO kablam!  --> vm/src/compiler.rs:5:5
Sep 04 00:20:17.694 INFO kablam!   |
Sep 04 00:20:17.694 INFO kablam! 5 | use syntax::ast::statement::Statement;
Sep 04 00:20:17.694 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:17.694 INFO kablam! 
Sep 04 00:20:17.734 INFO kablam! warning: unused `#[macro_use]` import
Sep 04 00:20:17.734 INFO kablam!  --> frontend/src/lib.rs:7:1
Sep 04 00:20:17.734 INFO kablam!   |
Sep 04 00:20:17.734 INFO kablam! 7 | #[macro_use]
Sep 04 00:20:17.734 INFO kablam!   | ^^^^^^^^^^^^
Sep 04 00:20:17.734 INFO kablam!   |
Sep 04 00:20:17.734 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 00:20:17.734 INFO kablam! 
Sep 04 00:20:17.735 INFO kablam! warning: unused import: `std::rc::Rc`
Sep 04 00:20:17.735 INFO kablam!  --> frontend/src/env.rs:4:5
Sep 04 00:20:17.735 INFO kablam!   |
Sep 04 00:20:17.735 INFO kablam! 4 | use std::rc::Rc;
Sep 04 00:20:17.735 INFO kablam!   |     ^^^^^^^^^^^
Sep 04 00:20:17.735 INFO kablam! 
Sep 04 00:20:17.735 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Sep 04 00:20:17.735 INFO kablam!  --> frontend/src/env.rs:6:20
Sep 04 00:20:17.735 INFO kablam!   |
Sep 04 00:20:17.735 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Sep 04 00:20:17.735 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Sep 04 00:20:17.735 INFO kablam! 
Sep 04 00:20:17.735 INFO kablam! warning: unused import: `util::Unique`
Sep 04 00:20:17.735 INFO kablam!  --> frontend/src/env.rs:7:5
Sep 04 00:20:17.735 INFO kablam!   |
Sep 04 00:20:17.735 INFO kablam! 7 | use util::Unique;
Sep 04 00:20:17.736 INFO kablam!   |     ^^^^^^^^^^^^
Sep 04 00:20:17.736 INFO kablam! 
Sep 04 00:20:18.386 INFO kablam! warning: struct is never constructed: `Compiler`
Sep 04 00:20:18.386 INFO kablam!  --> vm/src/compiler.rs:8:1
Sep 04 00:20:18.386 INFO kablam!   |
Sep 04 00:20:18.386 INFO kablam! 8 | struct Compiler {
Sep 04 00:20:18.386 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 04 00:20:18.387 INFO kablam!   |
Sep 04 00:20:18.387 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 04 00:20:18.387 INFO kablam! 
Sep 04 00:20:18.387 INFO kablam! warning: method is never used: `new`
Sep 04 00:20:18.387 INFO kablam!   --> vm/src/compiler.rs:14:5
Sep 04 00:20:18.387 INFO kablam!    |
Sep 04 00:20:18.387 INFO kablam! 14 |     pub fn new() -> Self {
Sep 04 00:20:18.387 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:18.387 INFO kablam! 
Sep 04 00:20:18.387 INFO kablam! warning: method is never used: `build_op`
Sep 04 00:20:18.387 INFO kablam!   --> vm/src/compiler.rs:21:5
Sep 04 00:20:18.387 INFO kablam!    |
Sep 04 00:20:18.387 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Sep 04 00:20:18.387 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:18.387 INFO kablam! 
Sep 04 00:20:18.425 INFO kablam! warning: function is never used: `built_in_trim`
Sep 04 00:20:18.425 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Sep 04 00:20:18.425 INFO kablam!    |
Sep 04 00:20:18.425 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Sep 04 00:20:18.425 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:18.425 INFO kablam!    |
Sep 04 00:20:18.425 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 00:20:18.425 INFO kablam! 
Sep 04 00:20:18.567 INFO kablam! warning: struct is never constructed: `Compiler`
Sep 04 00:20:18.567 INFO kablam!  --> vm/src/compiler.rs:8:1
Sep 04 00:20:18.567 INFO kablam!   |
Sep 04 00:20:18.567 INFO kablam! 8 | struct Compiler {
Sep 04 00:20:18.567 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 04 00:20:18.567 INFO kablam!   |
Sep 04 00:20:18.567 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 04 00:20:18.567 INFO kablam! 
Sep 04 00:20:18.567 INFO kablam! warning: method is never used: `new`
Sep 04 00:20:18.567 INFO kablam!   --> vm/src/compiler.rs:14:5
Sep 04 00:20:18.567 INFO kablam!    |
Sep 04 00:20:18.567 INFO kablam! 14 |     pub fn new() -> Self {
Sep 04 00:20:18.567 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:18.567 INFO kablam! 
Sep 04 00:20:18.568 INFO kablam! warning: method is never used: `build_op`
Sep 04 00:20:18.568 INFO kablam!   --> vm/src/compiler.rs:21:5
Sep 04 00:20:18.568 INFO kablam!    |
Sep 04 00:20:18.568 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Sep 04 00:20:18.568 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:18.568 INFO kablam! 
Sep 04 00:20:18.677 INFO kablam! warning: unused variable: `entry`
Sep 04 00:20:18.677 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Sep 04 00:20:18.677 INFO kablam!    |
Sep 04 00:20:18.677 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Sep 04 00:20:18.677 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Sep 04 00:20:18.677 INFO kablam!    |
Sep 04 00:20:18.677 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 04 00:20:18.677 INFO kablam! 
Sep 04 00:20:18.756 INFO kablam! warning: function is never used: `built_in_trim`
Sep 04 00:20:18.757 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Sep 04 00:20:18.757 INFO kablam!    |
Sep 04 00:20:18.757 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Sep 04 00:20:18.757 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:18.757 INFO kablam!    |
Sep 04 00:20:18.757 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 00:20:18.757 INFO kablam! 
Sep 04 00:20:18.807 INFO kablam! warning: unused variable: `entry`
Sep 04 00:20:18.807 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Sep 04 00:20:18.807 INFO kablam!    |
Sep 04 00:20:18.807 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Sep 04 00:20:18.807 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Sep 04 00:20:18.807 INFO kablam!    |
Sep 04 00:20:18.807 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 04 00:20:18.807 INFO kablam! 
Sep 04 00:20:19.041 INFO kablam!     Checking tox v0.2.0 (file:///source/tox)
Sep 04 00:20:19.623 INFO kablam! warning: unused variable: `ast`
Sep 04 00:20:19.623 INFO kablam!   --> tox/src/main.rs:64:13
Sep 04 00:20:19.623 INFO kablam!    |
Sep 04 00:20:19.623 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Sep 04 00:20:19.623 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Sep 04 00:20:19.623 INFO kablam!    |
Sep 04 00:20:19.623 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 04 00:20:19.624 INFO kablam! 
Sep 04 00:20:19.624 INFO kablam! warning: unused variable: `penv`
Sep 04 00:20:19.624 INFO kablam!    --> tox/src/main.rs:104:55
Sep 04 00:20:19.624 INFO kablam!     |
Sep 04 00:20:19.624 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Sep 04 00:20:19.624 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Sep 04 00:20:19.624 INFO kablam! 
Sep 04 00:20:19.635 INFO kablam! warning: unused variable: `ast`
Sep 04 00:20:19.635 INFO kablam!   --> tox/src/main.rs:64:13
Sep 04 00:20:19.635 INFO kablam!    |
Sep 04 00:20:19.636 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Sep 04 00:20:19.636 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Sep 04 00:20:19.636 INFO kablam!    |
Sep 04 00:20:19.636 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 04 00:20:19.636 INFO kablam! 
Sep 04 00:20:19.636 INFO kablam! warning: unused variable: `penv`
Sep 04 00:20:19.636 INFO kablam!    --> tox/src/main.rs:104:55
Sep 04 00:20:19.636 INFO kablam!     |
Sep 04 00:20:19.636 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Sep 04 00:20:19.636 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Sep 04 00:20:19.636 INFO kablam! 
Sep 04 00:20:19.676 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
Sep 04 00:20:19.687 INFO kablam! su: No module specific data is present
Sep 04 00:20:20.078 INFO running `"docker" "rm" "-f" "bb9c14b8be883de6039499dfb11f32375b9c525fb15d231e9bcfd95da243028d"`
Sep 04 00:20:20.161 INFO blam! bb9c14b8be883de6039499dfb11f32375b9c525fb15d231e9bcfd95da243028d