Aug 29 20:12:14.255 INFO checking Lapz/tox against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 29 20:12:14.255 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 29 20:12:14.255 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 20:12:14.418 INFO blam! 4313444631b0b1787e5b3b21da9d6567a69a494924168dff8b1cbb29b0337bae
Aug 29 20:12:14.420 INFO running `"docker" "start" "-a" "4313444631b0b1787e5b3b21da9d6567a69a494924168dff8b1cbb29b0337bae"`
Aug 29 20:12:15.229 INFO kablam!     Checking util v0.1.0 (file:///source/util)
Aug 29 20:12:15.229 INFO kablam!     Checking pretty_assertions v0.4.1
Aug 29 20:12:15.229 INFO kablam!     Checking structopt v0.1.7
Aug 29 20:12:15.229 INFO kablam!    Compiling structopt-derive v0.1.6
Aug 29 20:12:16.020 INFO kablam!     Checking syntax v0.1.0 (file:///source/syntax)
Aug 29 20:12:16.451 INFO kablam! warning: unused `#[macro_use]` import
Aug 29 20:12:16.451 INFO kablam!  --> syntax/src/lib.rs:2:1
Aug 29 20:12:16.451 INFO kablam!   |
Aug 29 20:12:16.451 INFO kablam! 2 | #[macro_use]
Aug 29 20:12:16.451 INFO kablam!   | ^^^^^^^^^^^^
Aug 29 20:12:16.451 INFO kablam!   |
Aug 29 20:12:16.452 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 20:12:16.452 INFO kablam! 
Aug 29 20:12:18.579 INFO kablam!     Checking frontend v0.1.0 (file:///source/frontend)
Aug 29 20:12:18.579 INFO kablam!     Checking interpreter v0.1.0 (file:///source/interpreter)
Aug 29 20:12:18.579 INFO kablam!     Checking vm v0.1.0 (file:///source/vm)
Aug 29 20:12:18.961 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Aug 29 20:12:18.961 INFO kablam!  --> vm/src/compiler.rs:4:5
Aug 29 20:12:18.961 INFO kablam!   |
Aug 29 20:12:18.961 INFO kablam! 4 | use syntax::ast::expr::*;
Aug 29 20:12:18.961 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:18.961 INFO kablam!   |
Aug 29 20:12:18.961 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 20:12:18.961 INFO kablam! 
Aug 29 20:12:18.966 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Aug 29 20:12:18.966 INFO kablam!  --> vm/src/compiler.rs:5:5
Aug 29 20:12:18.966 INFO kablam!   |
Aug 29 20:12:18.966 INFO kablam! 5 | use syntax::ast::statement::Statement;
Aug 29 20:12:18.966 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:18.967 INFO kablam! 
Aug 29 20:12:19.254 INFO kablam! warning: unused `#[macro_use]` import
Aug 29 20:12:19.254 INFO kablam!  --> frontend/src/lib.rs:7:1
Aug 29 20:12:19.254 INFO kablam!   |
Aug 29 20:12:19.254 INFO kablam! 7 | #[macro_use]
Aug 29 20:12:19.254 INFO kablam!   | ^^^^^^^^^^^^
Aug 29 20:12:19.255 INFO kablam!   |
Aug 29 20:12:19.255 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 20:12:19.256 INFO kablam! 
Aug 29 20:12:19.256 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 29 20:12:19.256 INFO kablam!  --> frontend/src/env.rs:4:5
Aug 29 20:12:19.256 INFO kablam!   |
Aug 29 20:12:19.256 INFO kablam! 4 | use std::rc::Rc;
Aug 29 20:12:19.256 INFO kablam!   |     ^^^^^^^^^^^
Aug 29 20:12:19.257 INFO kablam! 
Aug 29 20:12:19.257 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Aug 29 20:12:19.257 INFO kablam!  --> frontend/src/env.rs:6:20
Aug 29 20:12:19.257 INFO kablam!   |
Aug 29 20:12:19.257 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Aug 29 20:12:19.258 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Aug 29 20:12:19.258 INFO kablam! 
Aug 29 20:12:19.259 INFO kablam! warning: unused import: `util::Unique`
Aug 29 20:12:19.259 INFO kablam!  --> frontend/src/env.rs:7:5
Aug 29 20:12:19.259 INFO kablam!   |
Aug 29 20:12:19.259 INFO kablam! 7 | use util::Unique;
Aug 29 20:12:19.259 INFO kablam!   |     ^^^^^^^^^^^^
Aug 29 20:12:19.259 INFO kablam! 
Aug 29 20:12:19.323 INFO kablam! warning: unused `#[macro_use]` import
Aug 29 20:12:19.323 INFO kablam!  --> frontend/src/lib.rs:7:1
Aug 29 20:12:19.323 INFO kablam!   |
Aug 29 20:12:19.323 INFO kablam! 7 | #[macro_use]
Aug 29 20:12:19.323 INFO kablam!   | ^^^^^^^^^^^^
Aug 29 20:12:19.323 INFO kablam!   |
Aug 29 20:12:19.323 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 20:12:19.323 INFO kablam! 
Aug 29 20:12:19.323 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 29 20:12:19.323 INFO kablam!  --> frontend/src/env.rs:4:5
Aug 29 20:12:19.323 INFO kablam!   |
Aug 29 20:12:19.324 INFO kablam! 4 | use std::rc::Rc;
Aug 29 20:12:19.324 INFO kablam!   |     ^^^^^^^^^^^
Aug 29 20:12:19.335 INFO kablam! 
Aug 29 20:12:19.335 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Aug 29 20:12:19.335 INFO kablam!  --> frontend/src/env.rs:6:20
Aug 29 20:12:19.335 INFO kablam!   |
Aug 29 20:12:19.335 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Aug 29 20:12:19.335 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Aug 29 20:12:19.335 INFO kablam! 
Aug 29 20:12:19.335 INFO kablam! warning: unused import: `util::Unique`
Aug 29 20:12:19.335 INFO kablam!  --> frontend/src/env.rs:7:5
Aug 29 20:12:19.335 INFO kablam!   |
Aug 29 20:12:19.335 INFO kablam! 7 | use util::Unique;
Aug 29 20:12:19.335 INFO kablam!   |     ^^^^^^^^^^^^
Aug 29 20:12:19.335 INFO kablam! 
Aug 29 20:12:19.398 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Aug 29 20:12:19.398 INFO kablam!  --> vm/src/compiler.rs:4:5
Aug 29 20:12:19.398 INFO kablam!   |
Aug 29 20:12:19.398 INFO kablam! 4 | use syntax::ast::expr::*;
Aug 29 20:12:19.398 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:19.398 INFO kablam!   |
Aug 29 20:12:19.398 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 20:12:19.398 INFO kablam! 
Aug 29 20:12:19.398 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Aug 29 20:12:19.398 INFO kablam!  --> vm/src/compiler.rs:5:5
Aug 29 20:12:19.398 INFO kablam!   |
Aug 29 20:12:19.398 INFO kablam! 5 | use syntax::ast::statement::Statement;
Aug 29 20:12:19.398 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:19.398 INFO kablam! 
Aug 29 20:12:20.113 INFO kablam! warning: struct is never constructed: `Compiler`
Aug 29 20:12:20.113 INFO kablam!  --> vm/src/compiler.rs:8:1
Aug 29 20:12:20.113 INFO kablam!   |
Aug 29 20:12:20.114 INFO kablam! 8 | struct Compiler {
Aug 29 20:12:20.114 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 29 20:12:20.114 INFO kablam!   |
Aug 29 20:12:20.114 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 29 20:12:20.114 INFO kablam! 
Aug 29 20:12:20.114 INFO kablam! warning: method is never used: `new`
Aug 29 20:12:20.114 INFO kablam!   --> vm/src/compiler.rs:14:5
Aug 29 20:12:20.114 INFO kablam!    |
Aug 29 20:12:20.114 INFO kablam! 14 |     pub fn new() -> Self {
Aug 29 20:12:20.114 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:20.114 INFO kablam! 
Aug 29 20:12:20.114 INFO kablam! warning: method is never used: `build_op`
Aug 29 20:12:20.114 INFO kablam!   --> vm/src/compiler.rs:21:5
Aug 29 20:12:20.114 INFO kablam!    |
Aug 29 20:12:20.114 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Aug 29 20:12:20.114 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:20.114 INFO kablam! 
Aug 29 20:12:20.416 INFO kablam! warning: struct is never constructed: `Compiler`
Aug 29 20:12:20.416 INFO kablam!  --> vm/src/compiler.rs:8:1
Aug 29 20:12:20.416 INFO kablam!   |
Aug 29 20:12:20.416 INFO kablam! 8 | struct Compiler {
Aug 29 20:12:20.416 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 29 20:12:20.416 INFO kablam!   |
Aug 29 20:12:20.416 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 29 20:12:20.416 INFO kablam! 
Aug 29 20:12:20.416 INFO kablam! warning: method is never used: `new`
Aug 29 20:12:20.416 INFO kablam!   --> vm/src/compiler.rs:14:5
Aug 29 20:12:20.416 INFO kablam!    |
Aug 29 20:12:20.416 INFO kablam! 14 |     pub fn new() -> Self {
Aug 29 20:12:20.417 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:20.417 INFO kablam! 
Aug 29 20:12:20.417 INFO kablam! warning: method is never used: `build_op`
Aug 29 20:12:20.417 INFO kablam!   --> vm/src/compiler.rs:21:5
Aug 29 20:12:20.417 INFO kablam!    |
Aug 29 20:12:20.417 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Aug 29 20:12:20.417 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:20.417 INFO kablam! 
Aug 29 20:12:20.456 INFO kablam! warning: function is never used: `built_in_trim`
Aug 29 20:12:20.456 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Aug 29 20:12:20.456 INFO kablam!    |
Aug 29 20:12:20.456 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Aug 29 20:12:20.456 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:20.457 INFO kablam!    |
Aug 29 20:12:20.457 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 20:12:20.458 INFO kablam! 
Aug 29 20:12:20.491 INFO kablam! warning: unused variable: `entry`
Aug 29 20:12:20.491 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Aug 29 20:12:20.491 INFO kablam!    |
Aug 29 20:12:20.491 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Aug 29 20:12:20.491 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Aug 29 20:12:20.491 INFO kablam!    |
Aug 29 20:12:20.492 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 20:12:20.492 INFO kablam! 
Aug 29 20:12:20.544 INFO kablam! warning: unused variable: `entry`
Aug 29 20:12:20.544 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Aug 29 20:12:20.544 INFO kablam!    |
Aug 29 20:12:20.544 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Aug 29 20:12:20.544 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Aug 29 20:12:20.544 INFO kablam!    |
Aug 29 20:12:20.544 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 20:12:20.544 INFO kablam! 
Aug 29 20:12:20.611 INFO kablam! warning: function is never used: `built_in_trim`
Aug 29 20:12:20.611 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Aug 29 20:12:20.611 INFO kablam!    |
Aug 29 20:12:20.611 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Aug 29 20:12:20.611 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:12:20.611 INFO kablam!    |
Aug 29 20:12:20.611 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 20:12:20.612 INFO kablam! 
Aug 29 20:12:20.915 INFO kablam!     Checking tox v0.2.0 (file:///source/tox)
Aug 29 20:12:21.450 INFO kablam! warning: unused variable: `ast`
Aug 29 20:12:21.450 INFO kablam!   --> tox/src/main.rs:64:13
Aug 29 20:12:21.450 INFO kablam!    |
Aug 29 20:12:21.450 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Aug 29 20:12:21.450 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Aug 29 20:12:21.450 INFO kablam!    |
Aug 29 20:12:21.450 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 20:12:21.450 INFO kablam! 
Aug 29 20:12:21.451 INFO kablam! warning: unused variable: `penv`
Aug 29 20:12:21.451 INFO kablam!    --> tox/src/main.rs:104:55
Aug 29 20:12:21.451 INFO kablam!     |
Aug 29 20:12:21.451 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Aug 29 20:12:21.451 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Aug 29 20:12:21.451 INFO kablam! 
Aug 29 20:12:21.646 INFO kablam! warning: unused variable: `ast`
Aug 29 20:12:21.646 INFO kablam!   --> tox/src/main.rs:64:13
Aug 29 20:12:21.646 INFO kablam!    |
Aug 29 20:12:21.646 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Aug 29 20:12:21.646 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Aug 29 20:12:21.647 INFO kablam!    |
Aug 29 20:12:21.647 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 20:12:21.647 INFO kablam! 
Aug 29 20:12:21.647 INFO kablam! warning: unused variable: `penv`
Aug 29 20:12:21.647 INFO kablam!    --> tox/src/main.rs:104:55
Aug 29 20:12:21.647 INFO kablam!     |
Aug 29 20:12:21.647 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Aug 29 20:12:21.648 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Aug 29 20:12:21.648 INFO kablam! 
Aug 29 20:12:21.690 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
Aug 29 20:12:21.708 INFO kablam! su: No module specific data is present
Aug 29 20:12:22.158 INFO running `"docker" "rm" "-f" "4313444631b0b1787e5b3b21da9d6567a69a494924168dff8b1cbb29b0337bae"`
Aug 29 20:12:22.332 INFO blam! 4313444631b0b1787e5b3b21da9d6567a69a494924168dff8b1cbb29b0337bae