Aug 31 07:12:28.460 INFO checking Lapz/tox against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 07:12:28.460 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 07:12:28.460 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 07:12:28.661 INFO blam! f8b7610bd61abfb3c8d6b7ad7d832e0484fa6d96c6b96368347595b6f44d7e3a
Aug 31 07:12:28.663 INFO running `"docker" "start" "-a" "f8b7610bd61abfb3c8d6b7ad7d832e0484fa6d96c6b96368347595b6f44d7e3a"`
Aug 31 07:12:29.313 INFO kablam!     Checking util v0.1.0 (file:///source/util)
Aug 31 07:12:29.313 INFO kablam!     Checking pretty_assertions v0.4.1
Aug 31 07:12:29.316 INFO kablam!     Checking clap v2.30.0
Aug 31 07:12:29.317 INFO kablam!    Compiling structopt-derive v0.1.6
Aug 31 07:12:30.288 INFO kablam!     Checking syntax v0.1.0 (file:///source/syntax)
Aug 31 07:12:30.774 INFO kablam! warning: unused `#[macro_use]` import
Aug 31 07:12:30.774 INFO kablam!  --> syntax/src/lib.rs:2:1
Aug 31 07:12:30.774 INFO kablam!   |
Aug 31 07:12:30.774 INFO kablam! 2 | #[macro_use]
Aug 31 07:12:30.774 INFO kablam!   | ^^^^^^^^^^^^
Aug 31 07:12:30.775 INFO kablam!   |
Aug 31 07:12:30.775 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:30.775 INFO kablam! 
Aug 31 07:12:33.398 INFO kablam!     Checking frontend v0.1.0 (file:///source/frontend)
Aug 31 07:12:33.402 INFO kablam!     Checking vm v0.1.0 (file:///source/vm)
Aug 31 07:12:33.416 INFO kablam!     Checking interpreter v0.1.0 (file:///source/interpreter)
Aug 31 07:12:34.039 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Aug 31 07:12:34.039 INFO kablam!  --> vm/src/compiler.rs:4:5
Aug 31 07:12:34.039 INFO kablam!   |
Aug 31 07:12:34.039 INFO kablam! 4 | use syntax::ast::expr::*;
Aug 31 07:12:34.039 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:34.039 INFO kablam!   |
Aug 31 07:12:34.039 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:34.040 INFO kablam! 
Aug 31 07:12:34.040 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Aug 31 07:12:34.040 INFO kablam!  --> vm/src/compiler.rs:5:5
Aug 31 07:12:34.040 INFO kablam!   |
Aug 31 07:12:34.040 INFO kablam! 5 | use syntax::ast::statement::Statement;
Aug 31 07:12:34.040 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:34.040 INFO kablam! 
Aug 31 07:12:34.045 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Aug 31 07:12:34.045 INFO kablam!  --> vm/src/compiler.rs:4:5
Aug 31 07:12:34.045 INFO kablam!   |
Aug 31 07:12:34.045 INFO kablam! 4 | use syntax::ast::expr::*;
Aug 31 07:12:34.045 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:34.045 INFO kablam!   |
Aug 31 07:12:34.045 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:34.045 INFO kablam! 
Aug 31 07:12:34.046 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Aug 31 07:12:34.046 INFO kablam!  --> vm/src/compiler.rs:5:5
Aug 31 07:12:34.046 INFO kablam!   |
Aug 31 07:12:34.046 INFO kablam! 5 | use syntax::ast::statement::Statement;
Aug 31 07:12:34.046 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:34.046 INFO kablam! 
Aug 31 07:12:34.204 INFO kablam! warning: unused `#[macro_use]` import
Aug 31 07:12:34.204 INFO kablam!  --> frontend/src/lib.rs:7:1
Aug 31 07:12:34.204 INFO kablam!   |
Aug 31 07:12:34.204 INFO kablam! 7 | #[macro_use]
Aug 31 07:12:34.204 INFO kablam!   | ^^^^^^^^^^^^
Aug 31 07:12:34.204 INFO kablam!   |
Aug 31 07:12:34.204 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:34.204 INFO kablam! 
Aug 31 07:12:34.206 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 31 07:12:34.206 INFO kablam!  --> frontend/src/env.rs:4:5
Aug 31 07:12:34.206 INFO kablam!   |
Aug 31 07:12:34.206 INFO kablam! 4 | use std::rc::Rc;
Aug 31 07:12:34.206 INFO kablam!   |     ^^^^^^^^^^^
Aug 31 07:12:34.206 INFO kablam! 
Aug 31 07:12:34.206 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Aug 31 07:12:34.206 INFO kablam!  --> frontend/src/env.rs:6:20
Aug 31 07:12:34.206 INFO kablam!   |
Aug 31 07:12:34.206 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Aug 31 07:12:34.206 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Aug 31 07:12:34.207 INFO kablam! 
Aug 31 07:12:34.207 INFO kablam! warning: unused import: `util::Unique`
Aug 31 07:12:34.207 INFO kablam!  --> frontend/src/env.rs:7:5
Aug 31 07:12:34.207 INFO kablam!   |
Aug 31 07:12:34.207 INFO kablam! 7 | use util::Unique;
Aug 31 07:12:34.207 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 07:12:34.207 INFO kablam! 
Aug 31 07:12:34.235 INFO kablam! warning: unused `#[macro_use]` import
Aug 31 07:12:34.235 INFO kablam!  --> frontend/src/lib.rs:7:1
Aug 31 07:12:34.235 INFO kablam!   |
Aug 31 07:12:34.235 INFO kablam! 7 | #[macro_use]
Aug 31 07:12:34.235 INFO kablam!   | ^^^^^^^^^^^^
Aug 31 07:12:34.235 INFO kablam!   |
Aug 31 07:12:34.235 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 07:12:34.235 INFO kablam! 
Aug 31 07:12:34.235 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 31 07:12:34.235 INFO kablam!  --> frontend/src/env.rs:4:5
Aug 31 07:12:34.235 INFO kablam!   |
Aug 31 07:12:34.235 INFO kablam! 4 | use std::rc::Rc;
Aug 31 07:12:34.235 INFO kablam!   |     ^^^^^^^^^^^
Aug 31 07:12:34.235 INFO kablam! 
Aug 31 07:12:34.235 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Aug 31 07:12:34.236 INFO kablam!  --> frontend/src/env.rs:6:20
Aug 31 07:12:34.236 INFO kablam!   |
Aug 31 07:12:34.236 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Aug 31 07:12:34.236 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Aug 31 07:12:34.236 INFO kablam! 
Aug 31 07:12:34.236 INFO kablam! warning: unused import: `util::Unique`
Aug 31 07:12:34.236 INFO kablam!  --> frontend/src/env.rs:7:5
Aug 31 07:12:34.236 INFO kablam!   |
Aug 31 07:12:34.236 INFO kablam! 7 | use util::Unique;
Aug 31 07:12:34.236 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 07:12:34.236 INFO kablam! 
Aug 31 07:12:34.894 INFO kablam! warning: function is never used: `built_in_trim`
Aug 31 07:12:34.894 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Aug 31 07:12:34.894 INFO kablam!    |
Aug 31 07:12:34.894 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Aug 31 07:12:34.894 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:34.895 INFO kablam!    |
Aug 31 07:12:34.895 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 07:12:34.895 INFO kablam! 
Aug 31 07:12:34.899 INFO kablam! warning: struct is never constructed: `Compiler`
Aug 31 07:12:34.899 INFO kablam!  --> vm/src/compiler.rs:8:1
Aug 31 07:12:34.899 INFO kablam!   |
Aug 31 07:12:34.899 INFO kablam! 8 | struct Compiler {
Aug 31 07:12:34.899 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 31 07:12:34.899 INFO kablam!   |
Aug 31 07:12:34.899 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 07:12:34.900 INFO kablam! 
Aug 31 07:12:34.900 INFO kablam! warning: method is never used: `new`
Aug 31 07:12:34.900 INFO kablam!   --> vm/src/compiler.rs:14:5
Aug 31 07:12:34.900 INFO kablam!    |
Aug 31 07:12:34.900 INFO kablam! 14 |     pub fn new() -> Self {
Aug 31 07:12:34.900 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:34.900 INFO kablam! 
Aug 31 07:12:34.900 INFO kablam! warning: method is never used: `build_op`
Aug 31 07:12:34.901 INFO kablam!   --> vm/src/compiler.rs:21:5
Aug 31 07:12:34.901 INFO kablam!    |
Aug 31 07:12:34.901 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Aug 31 07:12:34.901 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:34.901 INFO kablam! 
Aug 31 07:12:35.038 INFO kablam! warning: struct is never constructed: `Compiler`
Aug 31 07:12:35.038 INFO kablam!  --> vm/src/compiler.rs:8:1
Aug 31 07:12:35.038 INFO kablam!   |
Aug 31 07:12:35.038 INFO kablam! 8 | struct Compiler {
Aug 31 07:12:35.038 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 31 07:12:35.038 INFO kablam!   |
Aug 31 07:12:35.038 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 07:12:35.038 INFO kablam! 
Aug 31 07:12:35.038 INFO kablam! warning: method is never used: `new`
Aug 31 07:12:35.038 INFO kablam!   --> vm/src/compiler.rs:14:5
Aug 31 07:12:35.038 INFO kablam!    |
Aug 31 07:12:35.038 INFO kablam! 14 |     pub fn new() -> Self {
Aug 31 07:12:35.038 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:35.038 INFO kablam! 
Aug 31 07:12:35.038 INFO kablam! warning: method is never used: `build_op`
Aug 31 07:12:35.038 INFO kablam!   --> vm/src/compiler.rs:21:5
Aug 31 07:12:35.038 INFO kablam!    |
Aug 31 07:12:35.038 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Aug 31 07:12:35.039 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:35.039 INFO kablam! 
Aug 31 07:12:35.454 INFO kablam! warning: unused variable: `entry`
Aug 31 07:12:35.454 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Aug 31 07:12:35.454 INFO kablam!    |
Aug 31 07:12:35.454 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Aug 31 07:12:35.454 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Aug 31 07:12:35.454 INFO kablam!    |
Aug 31 07:12:35.454 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 07:12:35.454 INFO kablam! 
Aug 31 07:12:35.617 INFO kablam! warning: function is never used: `built_in_trim`
Aug 31 07:12:35.617 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Aug 31 07:12:35.617 INFO kablam!    |
Aug 31 07:12:35.617 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Aug 31 07:12:35.617 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:12:35.617 INFO kablam!    |
Aug 31 07:12:35.617 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 07:12:35.617 INFO kablam! 
Aug 31 07:12:35.641 INFO kablam! warning: unused variable: `entry`
Aug 31 07:12:35.641 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Aug 31 07:12:35.641 INFO kablam!    |
Aug 31 07:12:35.641 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Aug 31 07:12:35.641 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Aug 31 07:12:35.641 INFO kablam!    |
Aug 31 07:12:35.641 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 07:12:35.641 INFO kablam! 
Aug 31 07:12:38.780 INFO kablam!     Checking structopt v0.1.7
Aug 31 07:12:39.081 INFO kablam!     Checking tox v0.2.0 (file:///source/tox)
Aug 31 07:12:39.616 INFO kablam! warning: unused variable: `ast`
Aug 31 07:12:39.616 INFO kablam!   --> tox/src/main.rs:64:13
Aug 31 07:12:39.616 INFO kablam!    |
Aug 31 07:12:39.616 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Aug 31 07:12:39.616 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Aug 31 07:12:39.616 INFO kablam!    |
Aug 31 07:12:39.616 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 07:12:39.616 INFO kablam! 
Aug 31 07:12:39.617 INFO kablam! warning: unused variable: `penv`
Aug 31 07:12:39.617 INFO kablam!    --> tox/src/main.rs:104:55
Aug 31 07:12:39.617 INFO kablam!     |
Aug 31 07:12:39.617 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Aug 31 07:12:39.617 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Aug 31 07:12:39.617 INFO kablam! 
Aug 31 07:12:39.788 INFO kablam! warning: unused variable: `ast`
Aug 31 07:12:39.788 INFO kablam!   --> tox/src/main.rs:64:13
Aug 31 07:12:39.788 INFO kablam!    |
Aug 31 07:12:39.788 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Aug 31 07:12:39.788 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Aug 31 07:12:39.788 INFO kablam!    |
Aug 31 07:12:39.788 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 07:12:39.789 INFO kablam! 
Aug 31 07:12:39.789 INFO kablam! warning: unused variable: `penv`
Aug 31 07:12:39.789 INFO kablam!    --> tox/src/main.rs:104:55
Aug 31 07:12:39.789 INFO kablam!     |
Aug 31 07:12:39.789 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Aug 31 07:12:39.789 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Aug 31 07:12:39.789 INFO kablam! 
Aug 31 07:12:39.839 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.63s
Aug 31 07:12:39.855 INFO kablam! su: No module specific data is present
Aug 31 07:12:40.262 INFO running `"docker" "rm" "-f" "f8b7610bd61abfb3c8d6b7ad7d832e0484fa6d96c6b96368347595b6f44d7e3a"`
Aug 31 07:12:40.366 INFO blam! f8b7610bd61abfb3c8d6b7ad7d832e0484fa6d96c6b96368347595b6f44d7e3a