Aug 31 07:12:16.800 INFO checking Lapz/tox against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 07:12:16.800 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 07:12:16.800 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 07:12:17.054 INFO blam! 9b66cdbc2eec0b99aaeb89f5758e0cdf40d7133682625b75044cda988e1b8609
Aug 31 07:12:17.056 INFO running `"docker" "start" "-a" "9b66cdbc2eec0b99aaeb89f5758e0cdf40d7133682625b75044cda988e1b8609"`
Aug 31 07:12:18.109 INFO kablam!     Checking util v0.1.0 (file:///source/util)
Aug 31 07:12:18.135 INFO kablam!     Checking pretty_assertions v0.4.1
Aug 31 07:12:18.142 INFO kablam!     Checking clap v2.30.0
Aug 31 07:12:19.614 INFO kablam!     Checking syntax v0.1.0 (file:///source/syntax)
Aug 31 07:12:20.304 INFO kablam! warning: unused `#[macro_use]` import
Aug 31 07:12:20.304 INFO kablam!  --> syntax/src/lib.rs:2:1
Aug 31 07:12:20.304 INFO kablam!   |
Aug 31 07:12:20.304 INFO kablam! 2 | #[macro_use]
Aug 31 07:12:20.304 INFO kablam!   | ^^^^^^^^^^^^
Aug 31 07:12:20.304 INFO kablam!   |
Aug 31 07:12:20.304 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:20.304 INFO kablam! 
Aug 31 07:12:23.651 INFO kablam!     Checking interpreter v0.1.0 (file:///source/interpreter)
Aug 31 07:12:23.652 INFO kablam!     Checking frontend v0.1.0 (file:///source/frontend)
Aug 31 07:12:23.652 INFO kablam!     Checking vm v0.1.0 (file:///source/vm)
Aug 31 07:12:24.563 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Aug 31 07:12:24.563 INFO kablam!  --> vm/src/compiler.rs:4:5
Aug 31 07:12:24.563 INFO kablam!   |
Aug 31 07:12:24.563 INFO kablam! 4 | use syntax::ast::expr::*;
Aug 31 07:12:24.563 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:24.574 INFO kablam!   |
Aug 31 07:12:24.575 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:24.575 INFO kablam! 
Aug 31 07:12:24.576 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Aug 31 07:12:24.576 INFO kablam!  --> vm/src/compiler.rs:5:5
Aug 31 07:12:24.576 INFO kablam!   |
Aug 31 07:12:24.576 INFO kablam! 5 | use syntax::ast::statement::Statement;
Aug 31 07:12:24.576 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:24.577 INFO kablam! 
Aug 31 07:12:24.928 INFO kablam! warning: unused `#[macro_use]` import
Aug 31 07:12:24.928 INFO kablam!  --> frontend/src/lib.rs:7:1
Aug 31 07:12:24.928 INFO kablam!   |
Aug 31 07:12:24.928 INFO kablam! 7 | #[macro_use]
Aug 31 07:12:24.928 INFO kablam!   | ^^^^^^^^^^^^
Aug 31 07:12:24.929 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Aug 31 07:12:24.929 INFO kablam!  --> vm/src/compiler.rs:4:5
Aug 31 07:12:24.929 INFO kablam!   |
Aug 31 07:12:24.929 INFO kablam! 4 | use syntax::ast::expr::*;
Aug 31 07:12:24.929 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:24.930 INFO kablam!   |
Aug 31 07:12:24.930 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:24.931 INFO kablam! 
Aug 31 07:12:24.931 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Aug 31 07:12:24.931 INFO kablam!  --> vm/src/compiler.rs:5:5
Aug 31 07:12:24.931 INFO kablam!   |
Aug 31 07:12:24.931 INFO kablam! 5 | use syntax::ast::statement::Statement;
Aug 31 07:12:24.931 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:24.932 INFO kablam! 
Aug 31 07:12:24.954 INFO kablam!   |
Aug 31 07:12:24.955 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:24.955 INFO kablam! 
Aug 31 07:12:24.956 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 31 07:12:24.956 INFO kablam!  --> frontend/src/env.rs:4:5
Aug 31 07:12:24.956 INFO kablam!   |
Aug 31 07:12:24.956 INFO kablam! 4 | use std::rc::Rc;
Aug 31 07:12:24.956 INFO kablam!   |     ^^^^^^^^^^^
Aug 31 07:12:24.957 INFO kablam! 
Aug 31 07:12:24.957 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Aug 31 07:12:24.957 INFO kablam!  --> frontend/src/env.rs:6:20
Aug 31 07:12:24.957 INFO kablam!   |
Aug 31 07:12:24.957 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Aug 31 07:12:24.957 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Aug 31 07:12:24.958 INFO kablam! 
Aug 31 07:12:24.958 INFO kablam! warning: unused import: `util::Unique`
Aug 31 07:12:24.959 INFO kablam!  --> frontend/src/env.rs:7:5
Aug 31 07:12:24.959 INFO kablam!   |
Aug 31 07:12:24.959 INFO kablam! 7 | use util::Unique;
Aug 31 07:12:24.959 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 07:12:24.959 INFO kablam! 
Aug 31 07:12:25.530 INFO kablam! warning: unused `#[macro_use]` import
Aug 31 07:12:25.530 INFO kablam!  --> frontend/src/lib.rs:7:1
Aug 31 07:12:25.530 INFO kablam!   |
Aug 31 07:12:25.530 INFO kablam! 7 | #[macro_use]
Aug 31 07:12:25.530 INFO kablam!   | ^^^^^^^^^^^^
Aug 31 07:12:25.530 INFO kablam!   |
Aug 31 07:12:25.531 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:25.531 INFO kablam! 
Aug 31 07:12:25.532 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 31 07:12:25.532 INFO kablam!  --> frontend/src/env.rs:4:5
Aug 31 07:12:25.532 INFO kablam!   |
Aug 31 07:12:25.532 INFO kablam! 4 | use std::rc::Rc;
Aug 31 07:12:25.532 INFO kablam!   |     ^^^^^^^^^^^
Aug 31 07:12:25.532 INFO kablam! 
Aug 31 07:12:25.533 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Aug 31 07:12:25.533 INFO kablam!  --> frontend/src/env.rs:6:20
Aug 31 07:12:25.533 INFO kablam!   |
Aug 31 07:12:25.533 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Aug 31 07:12:25.533 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Aug 31 07:12:25.534 INFO kablam! 
Aug 31 07:12:25.534 INFO kablam! warning: unused import: `util::Unique`
Aug 31 07:12:25.534 INFO kablam!  --> frontend/src/env.rs:7:5
Aug 31 07:12:25.534 INFO kablam!   |
Aug 31 07:12:25.534 INFO kablam! 7 | use util::Unique;
Aug 31 07:12:25.534 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 07:12:25.535 INFO kablam! 
Aug 31 07:12:26.144 INFO kablam! warning: function is never used: `built_in_trim`
Aug 31 07:12:26.144 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Aug 31 07:12:26.144 INFO kablam!    |
Aug 31 07:12:26.144 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Aug 31 07:12:26.144 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:26.145 INFO kablam!    |
Aug 31 07:12:26.145 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 07:12:26.145 INFO kablam! 
Aug 31 07:12:26.663 INFO kablam! warning: struct is never constructed: `Compiler`
Aug 31 07:12:26.663 INFO kablam!  --> vm/src/compiler.rs:8:1
Aug 31 07:12:26.663 INFO kablam!   |
Aug 31 07:12:26.663 INFO kablam! 8 | struct Compiler {
Aug 31 07:12:26.663 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 31 07:12:26.664 INFO kablam!   |
Aug 31 07:12:26.664 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 07:12:26.664 INFO kablam! 
Aug 31 07:12:26.664 INFO kablam! warning: method is never used: `new`
Aug 31 07:12:26.664 INFO kablam!   --> vm/src/compiler.rs:14:5
Aug 31 07:12:26.664 INFO kablam!    |
Aug 31 07:12:26.664 INFO kablam! 14 |     pub fn new() -> Self {
Aug 31 07:12:26.664 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:26.664 INFO kablam! 
Aug 31 07:12:26.664 INFO kablam! warning: method is never used: `build_op`
Aug 31 07:12:26.664 INFO kablam!   --> vm/src/compiler.rs:21:5
Aug 31 07:12:26.664 INFO kablam!    |
Aug 31 07:12:26.664 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Aug 31 07:12:26.664 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:26.664 INFO kablam! 
Aug 31 07:12:27.104 INFO kablam! warning: struct is never constructed: `Compiler`
Aug 31 07:12:27.104 INFO kablam!  --> vm/src/compiler.rs:8:1
Aug 31 07:12:27.105 INFO kablam!   |
Aug 31 07:12:27.105 INFO kablam! 8 | struct Compiler {
Aug 31 07:12:27.105 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 31 07:12:27.118 INFO kablam!   |
Aug 31 07:12:27.119 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 07:12:27.119 INFO kablam! 
Aug 31 07:12:27.120 INFO kablam! warning: method is never used: `new`
Aug 31 07:12:27.120 INFO kablam!   --> vm/src/compiler.rs:14:5
Aug 31 07:12:27.120 INFO kablam!    |
Aug 31 07:12:27.120 INFO kablam! 14 |     pub fn new() -> Self {
Aug 31 07:12:27.120 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:27.120 INFO kablam! 
Aug 31 07:12:27.121 INFO kablam! warning: method is never used: `build_op`
Aug 31 07:12:27.121 INFO kablam!   --> vm/src/compiler.rs:21:5
Aug 31 07:12:27.121 INFO kablam!    |
Aug 31 07:12:27.121 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Aug 31 07:12:27.121 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:27.121 INFO kablam! 
Aug 31 07:12:27.122 INFO kablam! warning: function is never used: `built_in_trim`
Aug 31 07:12:27.122 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Aug 31 07:12:27.122 INFO kablam!    |
Aug 31 07:12:27.122 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Aug 31 07:12:27.122 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:27.122 INFO kablam!    |
Aug 31 07:12:27.122 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 07:12:27.122 INFO kablam! 
Aug 31 07:12:27.190 INFO kablam! warning: unused variable: `entry`
Aug 31 07:12:27.190 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Aug 31 07:12:27.190 INFO kablam!    |
Aug 31 07:12:27.190 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Aug 31 07:12:27.190 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Aug 31 07:12:27.191 INFO kablam!    |
Aug 31 07:12:27.191 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 07:12:27.191 INFO kablam! 
Aug 31 07:12:27.404 INFO kablam! warning: unused variable: `entry`
Aug 31 07:12:27.404 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Aug 31 07:12:27.404 INFO kablam!    |
Aug 31 07:12:27.404 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Aug 31 07:12:27.404 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Aug 31 07:12:27.405 INFO kablam!    |
Aug 31 07:12:27.405 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 07:12:27.405 INFO kablam! 
Aug 31 07:12:30.810 INFO kablam!     Checking structopt v0.1.7
Aug 31 07:12:31.173 INFO kablam!     Checking tox v0.2.0 (file:///source/tox)
Aug 31 07:12:31.880 INFO kablam! warning: unused variable: `ast`
Aug 31 07:12:31.881 INFO kablam!   --> tox/src/main.rs:64:13
Aug 31 07:12:31.881 INFO kablam!    |
Aug 31 07:12:31.881 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Aug 31 07:12:31.881 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Aug 31 07:12:31.881 INFO kablam!    |
Aug 31 07:12:31.881 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 07:12:31.882 INFO kablam! 
Aug 31 07:12:31.882 INFO kablam! warning: unused variable: `penv`
Aug 31 07:12:31.882 INFO kablam!    --> tox/src/main.rs:104:55
Aug 31 07:12:31.882 INFO kablam!     |
Aug 31 07:12:31.882 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Aug 31 07:12:31.882 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Aug 31 07:12:31.882 INFO kablam! 
Aug 31 07:12:31.926 INFO kablam! warning: unused variable: `ast`
Aug 31 07:12:31.926 INFO kablam!   --> tox/src/main.rs:64:13
Aug 31 07:12:31.926 INFO kablam!    |
Aug 31 07:12:31.926 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Aug 31 07:12:31.926 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Aug 31 07:12:31.926 INFO kablam!    |
Aug 31 07:12:31.926 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 07:12:31.926 INFO kablam! 
Aug 31 07:12:31.927 INFO kablam! warning: unused variable: `penv`
Aug 31 07:12:31.927 INFO kablam!    --> tox/src/main.rs:104:55
Aug 31 07:12:31.927 INFO kablam!     |
Aug 31 07:12:31.927 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Aug 31 07:12:31.927 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Aug 31 07:12:31.927 INFO kablam! 
Aug 31 07:12:32.007 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.07s
Aug 31 07:12:32.029 INFO kablam! su: No module specific data is present
Aug 31 07:12:32.530 INFO running `"docker" "rm" "-f" "9b66cdbc2eec0b99aaeb89f5758e0cdf40d7133682625b75044cda988e1b8609"`
Aug 31 07:12:32.695 INFO blam! 9b66cdbc2eec0b99aaeb89f5758e0cdf40d7133682625b75044cda988e1b8609