Aug 29 21:14:09.547 INFO checking Lapz/tox against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 29 21:14:09.547 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 29 21:14:09.547 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-0/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 21:14:09.786 INFO blam! 19806582e7beb7a755a1a5fe4f1151ac9ad31bda1ef84a18de3e7a0d38b88999
Aug 29 21:14:09.788 INFO running `"docker" "start" "-a" "19806582e7beb7a755a1a5fe4f1151ac9ad31bda1ef84a18de3e7a0d38b88999"`
Aug 29 21:14:10.673 INFO kablam!     Checking util v0.1.0 (file:///source/util)
Aug 29 21:14:10.673 INFO kablam!     Checking pretty_assertions v0.4.1
Aug 29 21:14:10.673 INFO kablam!     Checking clap v2.30.0
Aug 29 21:14:10.673 INFO kablam!    Compiling structopt-derive v0.1.6
Aug 29 21:14:12.205 INFO kablam!     Checking syntax v0.1.0 (file:///source/syntax)
Aug 29 21:14:12.893 INFO kablam! warning: unused `#[macro_use]` import
Aug 29 21:14:12.893 INFO kablam!  --> syntax/src/lib.rs:2:1
Aug 29 21:14:12.893 INFO kablam!   |
Aug 29 21:14:12.893 INFO kablam! 2 | #[macro_use]
Aug 29 21:14:12.893 INFO kablam!   | ^^^^^^^^^^^^
Aug 29 21:14:12.893 INFO kablam!   |
Aug 29 21:14:12.893 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 21:14:12.893 INFO kablam! 
Aug 29 21:14:15.808 INFO kablam!     Checking vm v0.1.0 (file:///source/vm)
Aug 29 21:14:15.956 INFO kablam!     Checking interpreter v0.1.0 (file:///source/interpreter)
Aug 29 21:14:15.967 INFO kablam!     Checking frontend v0.1.0 (file:///source/frontend)
Aug 29 21:14:16.433 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Aug 29 21:14:16.433 INFO kablam!  --> vm/src/compiler.rs:4:5
Aug 29 21:14:16.433 INFO kablam!   |
Aug 29 21:14:16.433 INFO kablam! 4 | use syntax::ast::expr::*;
Aug 29 21:14:16.433 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:16.433 INFO kablam!   |
Aug 29 21:14:16.433 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 21:14:16.433 INFO kablam! 
Aug 29 21:14:16.433 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Aug 29 21:14:16.433 INFO kablam!  --> vm/src/compiler.rs:5:5
Aug 29 21:14:16.433 INFO kablam!   |
Aug 29 21:14:16.433 INFO kablam! 5 | use syntax::ast::statement::Statement;
Aug 29 21:14:16.433 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:16.433 INFO kablam! 
Aug 29 21:14:16.943 INFO kablam! warning: unused `#[macro_use]` import
Aug 29 21:14:16.943 INFO kablam!  --> frontend/src/lib.rs:7:1
Aug 29 21:14:16.943 INFO kablam!   |
Aug 29 21:14:16.943 INFO kablam! 7 | #[macro_use]
Aug 29 21:14:16.943 INFO kablam!   | ^^^^^^^^^^^^
Aug 29 21:14:16.943 INFO kablam!   |
Aug 29 21:14:16.943 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 21:14:16.943 INFO kablam! 
Aug 29 21:14:16.943 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 29 21:14:16.943 INFO kablam!  --> frontend/src/env.rs:4:5
Aug 29 21:14:16.943 INFO kablam!   |
Aug 29 21:14:16.943 INFO kablam! 4 | use std::rc::Rc;
Aug 29 21:14:16.944 INFO kablam!   |     ^^^^^^^^^^^
Aug 29 21:14:16.944 INFO kablam! 
Aug 29 21:14:16.944 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Aug 29 21:14:16.944 INFO kablam!  --> frontend/src/env.rs:6:20
Aug 29 21:14:16.944 INFO kablam!   |
Aug 29 21:14:16.944 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Aug 29 21:14:16.944 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Aug 29 21:14:16.944 INFO kablam! 
Aug 29 21:14:16.944 INFO kablam! warning: unused import: `util::Unique`
Aug 29 21:14:16.944 INFO kablam!  --> frontend/src/env.rs:7:5
Aug 29 21:14:16.944 INFO kablam!   |
Aug 29 21:14:16.944 INFO kablam! 7 | use util::Unique;
Aug 29 21:14:16.944 INFO kablam!   |     ^^^^^^^^^^^^
Aug 29 21:14:16.945 INFO kablam! 
Aug 29 21:14:17.176 INFO kablam! warning: struct is never constructed: `Compiler`
Aug 29 21:14:17.176 INFO kablam!  --> vm/src/compiler.rs:8:1
Aug 29 21:14:17.176 INFO kablam!   |
Aug 29 21:14:17.176 INFO kablam! 8 | struct Compiler {
Aug 29 21:14:17.176 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 29 21:14:17.176 INFO kablam!   |
Aug 29 21:14:17.182 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 29 21:14:17.182 INFO kablam! 
Aug 29 21:14:17.182 INFO kablam! warning: method is never used: `new`
Aug 29 21:14:17.182 INFO kablam!   --> vm/src/compiler.rs:14:5
Aug 29 21:14:17.182 INFO kablam!    |
Aug 29 21:14:17.182 INFO kablam! 14 |     pub fn new() -> Self {
Aug 29 21:14:17.182 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:17.182 INFO kablam! 
Aug 29 21:14:17.182 INFO kablam! warning: method is never used: `build_op`
Aug 29 21:14:17.182 INFO kablam!   --> vm/src/compiler.rs:21:5
Aug 29 21:14:17.182 INFO kablam!    |
Aug 29 21:14:17.182 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Aug 29 21:14:17.182 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:17.182 INFO kablam! 
Aug 29 21:14:17.204 INFO kablam! warning: unused `#[macro_use]` import
Aug 29 21:14:17.204 INFO kablam!  --> frontend/src/lib.rs:7:1
Aug 29 21:14:17.204 INFO kablam!   |
Aug 29 21:14:17.204 INFO kablam! 7 | #[macro_use]
Aug 29 21:14:17.204 INFO kablam!   | ^^^^^^^^^^^^
Aug 29 21:14:17.204 INFO kablam!   |
Aug 29 21:14:17.204 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 21:14:17.204 INFO kablam! 
Aug 29 21:14:17.205 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 29 21:14:17.205 INFO kablam!  --> frontend/src/env.rs:4:5
Aug 29 21:14:17.205 INFO kablam!   |
Aug 29 21:14:17.205 INFO kablam! 4 | use std::rc::Rc;
Aug 29 21:14:17.205 INFO kablam!   |     ^^^^^^^^^^^
Aug 29 21:14:17.205 INFO kablam! 
Aug 29 21:14:17.205 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Aug 29 21:14:17.205 INFO kablam!  --> frontend/src/env.rs:6:20
Aug 29 21:14:17.205 INFO kablam!   |
Aug 29 21:14:17.205 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Aug 29 21:14:17.205 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Aug 29 21:14:17.205 INFO kablam! 
Aug 29 21:14:17.205 INFO kablam! warning: unused import: `util::Unique`
Aug 29 21:14:17.205 INFO kablam!  --> frontend/src/env.rs:7:5
Aug 29 21:14:17.206 INFO kablam!   |
Aug 29 21:14:17.206 INFO kablam! 7 | use util::Unique;
Aug 29 21:14:17.206 INFO kablam!   |     ^^^^^^^^^^^^
Aug 29 21:14:17.206 INFO kablam! 
Aug 29 21:14:17.639 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Aug 29 21:14:17.639 INFO kablam!  --> vm/src/compiler.rs:4:5
Aug 29 21:14:17.639 INFO kablam!   |
Aug 29 21:14:17.639 INFO kablam! 4 | use syntax::ast::expr::*;
Aug 29 21:14:17.639 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:17.639 INFO kablam!   |
Aug 29 21:14:17.639 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 29 21:14:17.639 INFO kablam! 
Aug 29 21:14:17.639 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Aug 29 21:14:17.639 INFO kablam!  --> vm/src/compiler.rs:5:5
Aug 29 21:14:17.639 INFO kablam!   |
Aug 29 21:14:17.640 INFO kablam! 5 | use syntax::ast::statement::Statement;
Aug 29 21:14:17.640 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:17.640 INFO kablam! 
Aug 29 21:14:18.167 INFO kablam! warning: function is never used: `built_in_trim`
Aug 29 21:14:18.167 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Aug 29 21:14:18.167 INFO kablam!    |
Aug 29 21:14:18.167 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Aug 29 21:14:18.167 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:18.167 INFO kablam!    |
Aug 29 21:14:18.167 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 21:14:18.167 INFO kablam! 
Aug 29 21:14:18.495 INFO kablam! warning: struct is never constructed: `Compiler`
Aug 29 21:14:18.495 INFO kablam!  --> vm/src/compiler.rs:8:1
Aug 29 21:14:18.495 INFO kablam!   |
Aug 29 21:14:18.495 INFO kablam! 8 | struct Compiler {
Aug 29 21:14:18.495 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 29 21:14:18.495 INFO kablam!   |
Aug 29 21:14:18.495 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 29 21:14:18.495 INFO kablam! 
Aug 29 21:14:18.496 INFO kablam! warning: method is never used: `new`
Aug 29 21:14:18.496 INFO kablam!   --> vm/src/compiler.rs:14:5
Aug 29 21:14:18.496 INFO kablam!    |
Aug 29 21:14:18.496 INFO kablam! 14 |     pub fn new() -> Self {
Aug 29 21:14:18.496 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:18.496 INFO kablam! 
Aug 29 21:14:18.496 INFO kablam! warning: method is never used: `build_op`
Aug 29 21:14:18.496 INFO kablam!   --> vm/src/compiler.rs:21:5
Aug 29 21:14:18.496 INFO kablam!    |
Aug 29 21:14:18.496 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Aug 29 21:14:18.496 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:18.496 INFO kablam! 
Aug 29 21:14:18.520 INFO kablam! warning: function is never used: `built_in_trim`
Aug 29 21:14:18.520 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Aug 29 21:14:18.520 INFO kablam!    |
Aug 29 21:14:18.520 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Aug 29 21:14:18.520 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 21:14:18.531 INFO kablam!    |
Aug 29 21:14:18.539 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 21:14:18.539 INFO kablam! 
Aug 29 21:14:18.781 INFO kablam! warning: unused variable: `entry`
Aug 29 21:14:18.781 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Aug 29 21:14:18.781 INFO kablam!    |
Aug 29 21:14:18.781 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Aug 29 21:14:18.781 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Aug 29 21:14:18.782 INFO kablam!    |
Aug 29 21:14:18.782 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 21:14:18.782 INFO kablam! 
Aug 29 21:14:18.890 INFO kablam! warning: unused variable: `entry`
Aug 29 21:14:18.890 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Aug 29 21:14:18.890 INFO kablam!    |
Aug 29 21:14:18.890 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Aug 29 21:14:18.890 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Aug 29 21:14:18.890 INFO kablam!    |
Aug 29 21:14:18.890 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 21:14:18.890 INFO kablam! 
Aug 29 21:14:22.875 INFO kablam!     Checking structopt v0.1.7
Aug 29 21:14:23.179 INFO kablam!     Checking tox v0.2.0 (file:///source/tox)
Aug 29 21:14:23.770 INFO kablam! warning: unused variable: `ast`
Aug 29 21:14:23.770 INFO kablam!   --> tox/src/main.rs:64:13
Aug 29 21:14:23.770 INFO kablam!    |
Aug 29 21:14:23.770 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Aug 29 21:14:23.770 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Aug 29 21:14:23.770 INFO kablam!    |
Aug 29 21:14:23.770 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 21:14:23.770 INFO kablam! 
Aug 29 21:14:23.770 INFO kablam! warning: unused variable: `penv`
Aug 29 21:14:23.770 INFO kablam!    --> tox/src/main.rs:104:55
Aug 29 21:14:23.770 INFO kablam!     |
Aug 29 21:14:23.770 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Aug 29 21:14:23.770 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Aug 29 21:14:23.770 INFO kablam! 
Aug 29 21:14:23.828 INFO kablam! warning: unused variable: `ast`
Aug 29 21:14:23.828 INFO kablam!   --> tox/src/main.rs:64:13
Aug 29 21:14:23.829 INFO kablam!    |
Aug 29 21:14:23.829 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Aug 29 21:14:23.829 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Aug 29 21:14:23.829 INFO kablam!    |
Aug 29 21:14:23.829 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 21:14:23.829 INFO kablam! 
Aug 29 21:14:23.829 INFO kablam! warning: unused variable: `penv`
Aug 29 21:14:23.829 INFO kablam!    --> tox/src/main.rs:104:55
Aug 29 21:14:23.829 INFO kablam!     |
Aug 29 21:14:23.829 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Aug 29 21:14:23.829 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Aug 29 21:14:23.829 INFO kablam! 
Aug 29 21:14:23.873 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.35s
Aug 29 21:14:23.887 INFO kablam! su: No module specific data is present
Aug 29 21:14:24.349 INFO running `"docker" "rm" "-f" "19806582e7beb7a755a1a5fe4f1151ac9ad31bda1ef84a18de3e7a0d38b88999"`
Aug 29 21:14:24.454 INFO blam! 19806582e7beb7a755a1a5fe4f1151ac9ad31bda1ef84a18de3e7a0d38b88999