Oct 27 10:58:26.865 INFO checking Lapz/tox against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 10:58:26.866 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +19f01b935b91481fd445b16b533d2f87661bf12e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 27 10:58:27.255 INFO blam! a73e0aa441a7068963d93cf69c8c3f9d939bfc2cc19ffe052ffa8ec0ad1d6be8
Oct 27 10:58:27.263 INFO running `"docker" "start" "-a" "a73e0aa441a7068963d93cf69c8c3f9d939bfc2cc19ffe052ffa8ec0ad1d6be8"`
Oct 27 10:58:28.412 INFO kablam! usermod: no changes
Oct 27 10:58:28.543 INFO kablam!     Checking util v0.1.0 (/source/util)
Oct 27 10:58:28.543 INFO kablam!     Checking pretty_assertions v0.4.1
Oct 27 10:58:28.543 INFO kablam!     Checking structopt v0.1.7
Oct 27 10:58:29.931 INFO kablam!     Checking syntax v0.1.0 (/source/syntax)
Oct 27 10:58:30.851 INFO kablam! warning: unused `#[macro_use]` import
Oct 27 10:58:30.851 INFO kablam!  --> syntax/src/lib.rs:2:1
Oct 27 10:58:30.852 INFO kablam!   |
Oct 27 10:58:30.852 INFO kablam! 2 | #[macro_use]
Oct 27 10:58:30.852 INFO kablam!   | ^^^^^^^^^^^^
Oct 27 10:58:30.853 INFO kablam!   |
Oct 27 10:58:30.853 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:58:30.853 INFO kablam! 
Oct 27 10:58:32.105 INFO kablam!     Checking frontend v0.1.0 (/source/frontend)
Oct 27 10:58:32.105 INFO kablam!     Checking vm v0.1.0 (/source/vm)
Oct 27 10:58:32.105 INFO kablam!     Checking interpreter v0.1.0 (/source/interpreter)
Oct 27 10:58:33.447 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Oct 27 10:58:33.448 INFO kablam!  --> vm/src/compiler.rs:4:5
Oct 27 10:58:33.448 INFO kablam!   |
Oct 27 10:58:33.448 INFO kablam! 4 | use syntax::ast::expr::*;
Oct 27 10:58:33.449 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:33.455 INFO kablam!   |
Oct 27 10:58:33.455 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:58:33.456 INFO kablam! 
Oct 27 10:58:33.456 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Oct 27 10:58:33.456 INFO kablam!  --> vm/src/compiler.rs:5:5
Oct 27 10:58:33.456 INFO kablam!   |
Oct 27 10:58:33.457 INFO kablam! 5 | use syntax::ast::statement::Statement;
Oct 27 10:58:33.457 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:33.457 INFO kablam! 
Oct 27 10:58:33.969 INFO kablam! warning: unused import: `syntax::ast::expr::*`
Oct 27 10:58:33.969 INFO kablam!  --> vm/src/compiler.rs:4:5
Oct 27 10:58:33.970 INFO kablam!   |
Oct 27 10:58:33.970 INFO kablam! 4 | use syntax::ast::expr::*;
Oct 27 10:58:33.970 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:33.970 INFO kablam!   |
Oct 27 10:58:33.970 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:58:33.970 INFO kablam! 
Oct 27 10:58:33.972 INFO kablam! warning: unused import: `syntax::ast::statement::Statement`
Oct 27 10:58:33.972 INFO kablam!  --> vm/src/compiler.rs:5:5
Oct 27 10:58:33.972 INFO kablam!   |
Oct 27 10:58:33.972 INFO kablam! 5 | use syntax::ast::statement::Statement;
Oct 27 10:58:33.972 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:33.973 INFO kablam! 
Oct 27 10:58:34.178 INFO kablam! warning: struct is never constructed: `Compiler`
Oct 27 10:58:34.178 INFO kablam!  --> vm/src/compiler.rs:8:1
Oct 27 10:58:34.179 INFO kablam!   |
Oct 27 10:58:34.179 INFO kablam! 8 | struct Compiler {
Oct 27 10:58:34.179 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 27 10:58:34.180 INFO kablam!   |
Oct 27 10:58:34.180 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 10:58:34.180 INFO kablam! 
Oct 27 10:58:34.180 INFO kablam! warning: method is never used: `new`
Oct 27 10:58:34.181 INFO kablam!   --> vm/src/compiler.rs:14:5
Oct 27 10:58:34.181 INFO kablam!    |
Oct 27 10:58:34.181 INFO kablam! 14 |     pub fn new() -> Self {
Oct 27 10:58:34.182 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:34.182 INFO kablam! 
Oct 27 10:58:34.182 INFO kablam! warning: method is never used: `build_op`
Oct 27 10:58:34.182 INFO kablam!   --> vm/src/compiler.rs:21:5
Oct 27 10:58:34.183 INFO kablam!    |
Oct 27 10:58:34.183 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Oct 27 10:58:34.183 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:34.184 INFO kablam! 
Oct 27 10:58:34.251 INFO kablam! warning: struct is never constructed: `Compiler`
Oct 27 10:58:34.251 INFO kablam!  --> vm/src/compiler.rs:8:1
Oct 27 10:58:34.251 INFO kablam!   |
Oct 27 10:58:34.251 INFO kablam! 8 | struct Compiler {
Oct 27 10:58:34.251 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 27 10:58:34.251 INFO kablam!   |
Oct 27 10:58:34.251 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 10:58:34.251 INFO kablam! 
Oct 27 10:58:34.251 INFO kablam! warning: method is never used: `new`
Oct 27 10:58:34.251 INFO kablam!   --> vm/src/compiler.rs:14:5
Oct 27 10:58:34.251 INFO kablam!    |
Oct 27 10:58:34.251 INFO kablam! 14 |     pub fn new() -> Self {
Oct 27 10:58:34.251 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:34.251 INFO kablam! 
Oct 27 10:58:34.251 INFO kablam! warning: method is never used: `build_op`
Oct 27 10:58:34.251 INFO kablam!   --> vm/src/compiler.rs:21:5
Oct 27 10:58:34.251 INFO kablam!    |
Oct 27 10:58:34.251 INFO kablam! 21 |     fn build_op(&mut self, op: OpCode) {
Oct 27 10:58:34.251 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:34.251 INFO kablam! 
Oct 27 10:58:34.291 INFO kablam! warning: unused `#[macro_use]` import
Oct 27 10:58:34.292 INFO kablam!  --> frontend/src/lib.rs:7:1
Oct 27 10:58:34.292 INFO kablam!   |
Oct 27 10:58:34.292 INFO kablam! 7 | #[macro_use]
Oct 27 10:58:34.293 INFO kablam!   | ^^^^^^^^^^^^
Oct 27 10:58:34.293 INFO kablam!   |
Oct 27 10:58:34.293 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:58:34.294 INFO kablam! 
Oct 27 10:58:34.294 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 27 10:58:34.294 INFO kablam!  --> frontend/src/env.rs:4:5
Oct 27 10:58:34.294 INFO kablam!   |
Oct 27 10:58:34.295 INFO kablam! 4 | use std::rc::Rc;
Oct 27 10:58:34.295 INFO kablam!   |     ^^^^^^^^^^^
Oct 27 10:58:34.295 INFO kablam! 
Oct 27 10:58:34.296 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Oct 27 10:58:34.296 INFO kablam!  --> frontend/src/env.rs:6:20
Oct 27 10:58:34.296 INFO kablam!   |
Oct 27 10:58:34.296 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Oct 27 10:58:34.297 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Oct 27 10:58:34.297 INFO kablam! 
Oct 27 10:58:34.297 INFO kablam! warning: unused import: `util::Unique`
Oct 27 10:58:34.298 INFO kablam!  --> frontend/src/env.rs:7:5
Oct 27 10:58:34.298 INFO kablam!   |
Oct 27 10:58:34.298 INFO kablam! 7 | use util::Unique;
Oct 27 10:58:34.299 INFO kablam!   |     ^^^^^^^^^^^^
Oct 27 10:58:34.299 INFO kablam! 
Oct 27 10:58:34.755 INFO kablam! warning: unused variable: `entry`
Oct 27 10:58:34.755 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Oct 27 10:58:34.755 INFO kablam!    |
Oct 27 10:58:34.755 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Oct 27 10:58:34.755 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Oct 27 10:58:34.755 INFO kablam!    |
Oct 27 10:58:34.755 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 10:58:34.755 INFO kablam! 
Oct 27 10:58:34.786 INFO kablam! warning: function is never used: `built_in_trim`
Oct 27 10:58:34.786 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Oct 27 10:58:34.786 INFO kablam!    |
Oct 27 10:58:34.786 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Oct 27 10:58:34.786 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:34.786 INFO kablam!    |
Oct 27 10:58:34.786 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 10:58:34.786 INFO kablam! 
Oct 27 10:58:34.979 INFO kablam! warning: unused `#[macro_use]` import
Oct 27 10:58:34.980 INFO kablam!  --> frontend/src/lib.rs:7:1
Oct 27 10:58:34.980 INFO kablam!   |
Oct 27 10:58:34.980 INFO kablam! 7 | #[macro_use]
Oct 27 10:58:34.981 INFO kablam!   | ^^^^^^^^^^^^
Oct 27 10:58:34.981 INFO kablam!   |
Oct 27 10:58:34.981 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:58:34.981 INFO kablam! 
Oct 27 10:58:34.982 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 27 10:58:34.982 INFO kablam!  --> frontend/src/env.rs:4:5
Oct 27 10:58:34.982 INFO kablam!   |
Oct 27 10:58:34.983 INFO kablam! 4 | use std::rc::Rc;
Oct 27 10:58:34.983 INFO kablam!   |     ^^^^^^^^^^^
Oct 27 10:58:34.983 INFO kablam! 
Oct 27 10:58:34.983 INFO kablam! warning: unused imports: `SymbolFactory`, `Symbol`, `Symbols`
Oct 27 10:58:34.984 INFO kablam!  --> frontend/src/env.rs:6:20
Oct 27 10:58:34.984 INFO kablam!   |
Oct 27 10:58:34.984 INFO kablam! 6 | use util::symbol::{Symbol, SymbolFactory, Symbols};
Oct 27 10:58:34.985 INFO kablam!   |                    ^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
Oct 27 10:58:34.985 INFO kablam! 
Oct 27 10:58:34.985 INFO kablam! warning: unused import: `util::Unique`
Oct 27 10:58:34.986 INFO kablam!  --> frontend/src/env.rs:7:5
Oct 27 10:58:34.986 INFO kablam!   |
Oct 27 10:58:34.986 INFO kablam! 7 | use util::Unique;
Oct 27 10:58:34.987 INFO kablam!   |     ^^^^^^^^^^^^
Oct 27 10:58:34.987 INFO kablam! 
Oct 27 10:58:34.994 INFO kablam!     Checking tox v0.2.0 (/source/tox)
Oct 27 10:58:35.629 INFO kablam! warning: function is never used: `built_in_trim`
Oct 27 10:58:35.630 INFO kablam!   --> interpreter/src/builtins.rs:91:1
Oct 27 10:58:35.630 INFO kablam!    |
Oct 27 10:58:35.630 INFO kablam! 91 | fn built_in_trim(arguments: &[Object]) -> Result<Object, RuntimeError> {
Oct 27 10:58:35.630 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:58:35.635 INFO kablam!    |
Oct 27 10:58:35.635 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 10:58:35.635 INFO kablam! 
Oct 27 10:58:36.047 INFO kablam! warning: unused variable: `entry`
Oct 27 10:58:36.047 INFO kablam!   --> frontend/src/infer/mod.rs:56:37
Oct 27 10:58:36.047 INFO kablam!    |
Oct 27 10:58:36.047 INFO kablam! 56 |                     if let Some(mut entry) = ctx.look_type(sclass.value) {}
Oct 27 10:58:36.047 INFO kablam!    |                                     ^^^^^ help: consider using `_entry` instead
Oct 27 10:58:36.047 INFO kablam!    |
Oct 27 10:58:36.047 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 10:58:36.047 INFO kablam! 
Oct 27 10:58:36.863 INFO kablam! warning: unused variable: `ast`
Oct 27 10:58:36.863 INFO kablam!   --> tox/src/main.rs:64:13
Oct 27 10:58:36.863 INFO kablam!    |
Oct 27 10:58:36.863 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Oct 27 10:58:36.863 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Oct 27 10:58:36.863 INFO kablam!    |
Oct 27 10:58:36.863 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 10:58:36.875 INFO kablam! 
Oct 27 10:58:36.875 INFO kablam! warning: unused variable: `penv`
Oct 27 10:58:36.875 INFO kablam!    --> tox/src/main.rs:104:55
Oct 27 10:58:36.875 INFO kablam!     |
Oct 27 10:58:36.875 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Oct 27 10:58:36.875 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Oct 27 10:58:36.875 INFO kablam! 
Oct 27 10:58:37.095 INFO kablam! warning: unused variable: `ast`
Oct 27 10:58:37.095 INFO kablam!   --> tox/src/main.rs:64:13
Oct 27 10:58:37.095 INFO kablam!    |
Oct 27 10:58:37.095 INFO kablam! 64 |         let ast = match Parser::new(tokens, reporter.clone(), &mut symbols).parse() {
Oct 27 10:58:37.095 INFO kablam!    |             ^^^ help: consider using `_ast` instead
Oct 27 10:58:37.095 INFO kablam!    |
Oct 27 10:58:37.095 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 10:58:37.095 INFO kablam! 
Oct 27 10:58:37.095 INFO kablam! warning: unused variable: `penv`
Oct 27 10:58:37.095 INFO kablam!    --> tox/src/main.rs:104:55
Oct 27 10:58:37.095 INFO kablam!     |
Oct 27 10:58:37.095 INFO kablam! 104 | pub fn run(path: String, ptokens: bool, pprint: bool, penv: bool, past: bool) {
Oct 27 10:58:37.095 INFO kablam!     |                                                       ^^^^ help: consider using `_penv` instead
Oct 27 10:58:37.095 INFO kablam! 
Oct 27 10:58:37.135 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.68s
Oct 27 10:58:37.146 INFO kablam! su: No module specific data is present
Oct 27 10:58:37.425 INFO running `"docker" "rm" "-f" "a73e0aa441a7068963d93cf69c8c3f9d939bfc2cc19ffe052ffa8ec0ad1d6be8"`
Oct 27 10:58:37.503 INFO blam! a73e0aa441a7068963d93cf69c8c3f9d939bfc2cc19ffe052ffa8ec0ad1d6be8