Nov 01 04:25:49.349 INFO testing lonnng/lua-rs against beta-2018-10-30 for beta-1.31-1
Nov 01 04:25:49.349 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-1/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 04:25:49.675 INFO blam! 24ed68efee8fa47a822ee36dc77c7e81b00c7ccca4b99b8bff2c040b54a4beaa
Nov 01 04:25:49.683 INFO running `"docker" "start" "-a" "24ed68efee8fa47a822ee36dc77c7e81b00c7ccca4b99b8bff2c040b54a4beaa"`
Nov 01 04:25:50.859 INFO kablam! usermod: no changes
Nov 01 04:25:50.911 INFO kablam!    Compiling libc v0.2.42
Nov 01 04:25:50.911 INFO kablam!    Compiling byteorder v1.2.3
Nov 01 04:25:53.487 INFO kablam!    Compiling iovec v0.1.2
Nov 01 04:25:54.211 INFO kablam!    Compiling bytes v0.4.8
Nov 01 04:25:55.913 INFO kablam!    Compiling lua v0.1.0 (/source)
Nov 01 04:25:56.439 INFO kablam! warning: unused import: `state::State`
Nov 01 04:25:56.440 INFO kablam!  --> src/scanner.rs:3:5
Nov 01 04:25:56.441 INFO kablam!   |
Nov 01 04:25:56.441 INFO kablam! 3 | use state::State;
Nov 01 04:25:56.442 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 04:25:56.442 INFO kablam!   |
Nov 01 04:25:56.443 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 04:25:56.443 INFO kablam! 
Nov 01 04:25:56.444 INFO kablam! warning: unused import: `std::mem`
Nov 01 04:25:56.445 INFO kablam!  --> src/scanner.rs:6:5
Nov 01 04:25:56.445 INFO kablam!   |
Nov 01 04:25:56.446 INFO kablam! 6 | use std::mem;
Nov 01 04:25:56.446 INFO kablam!   |     ^^^^^^^^
Nov 01 04:25:56.447 INFO kablam! 
Nov 01 04:25:56.447 INFO kablam! warning: doc comment not used by rustdoc
Nov 01 04:25:56.448 INFO kablam!    --> src/scanner.rs:368:25
Nov 01 04:25:56.448 INFO kablam!     |
Nov 01 04:25:56.448 INFO kablam! 368 |                         /// Escape charactors
Nov 01 04:25:56.448 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:25:56.448 INFO kablam!     |
Nov 01 04:25:56.448 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Nov 01 04:25:56.448 INFO kablam! 
Nov 01 04:25:56.634 INFO kablam! warning: unreachable expression
Nov 01 04:25:56.634 INFO kablam!    --> src/scanner.rs:238:9
Nov 01 04:25:56.634 INFO kablam!     |
Nov 01 04:25:56.634 INFO kablam! 238 |         unreachable!()
Nov 01 04:25:56.634 INFO kablam!     |         ^^^^^^^^^^^^^^
Nov 01 04:25:56.634 INFO kablam!     |
Nov 01 04:25:56.634 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Nov 01 04:25:56.636 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 01 04:25:56.636 INFO kablam! 
Nov 01 04:25:56.649 INFO kablam! warning: unreachable expression
Nov 01 04:25:56.649 INFO kablam!    --> src/scanner.rs:355:9
Nov 01 04:25:56.649 INFO kablam!     |
Nov 01 04:25:56.650 INFO kablam! 355 |         unreachable!()
Nov 01 04:25:56.650 INFO kablam!     |         ^^^^^^^^^^^^^^
Nov 01 04:25:56.650 INFO kablam!     |
Nov 01 04:25:56.650 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 01 04:25:56.650 INFO kablam! 
Nov 01 04:25:57.205 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:25:57.205 INFO kablam!    --> src/compiler.rs:933:21
Nov 01 04:25:57.206 INFO kablam!     |
Nov 01 04:25:57.207 INFO kablam! 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Nov 01 04:25:57.207 INFO kablam!     |                     ^^^
Nov 01 04:25:57.208 INFO kablam!     |
Nov 01 04:25:57.208 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 01 04:25:57.209 INFO kablam! 
Nov 01 04:25:57.209 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:25:57.210 INFO kablam!    --> src/compiler.rs:937:21
Nov 01 04:25:57.210 INFO kablam!     |
Nov 01 04:25:57.211 INFO kablam! 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Nov 01 04:25:57.211 INFO kablam!     |                     ^^^
Nov 01 04:25:57.212 INFO kablam! 
Nov 01 04:25:57.212 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:25:57.213 INFO kablam!     --> src/compiler.rs:1020:17
Nov 01 04:25:57.213 INFO kablam!      |
Nov 01 04:25:57.214 INFO kablam! 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Nov 01 04:25:57.214 INFO kablam!      |                 ^^^
Nov 01 04:25:57.215 INFO kablam! 
Nov 01 04:25:57.216 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:25:57.217 INFO kablam!     --> src/compiler.rs:1676:21
Nov 01 04:25:57.218 INFO kablam!      |
Nov 01 04:25:57.218 INFO kablam! 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Nov 01 04:25:57.219 INFO kablam!      |                     ^^^
Nov 01 04:25:57.219 INFO kablam! 
Nov 01 04:25:57.255 INFO kablam! warning: variable does not need to be mutable
Nov 01 04:25:57.256 INFO kablam!    --> src/scanner.rs:475:17
Nov 01 04:25:57.256 INFO kablam!     |
Nov 01 04:25:57.256 INFO kablam! 475 |             let mut cvalue = c as u32;
Nov 01 04:25:57.256 INFO kablam!     |                 ----^^^^^^
Nov 01 04:25:57.256 INFO kablam!     |                 |
Nov 01 04:25:57.256 INFO kablam!     |                 help: remove this `mut`
Nov 01 04:25:57.256 INFO kablam!     |
Nov 01 04:25:57.257 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 04:25:57.257 INFO kablam! 
Nov 01 04:25:57.265 INFO kablam! warning: variable does not need to be mutable
Nov 01 04:25:57.265 INFO kablam!    --> src/scanner.rs:517:49
Nov 01 04:25:57.265 INFO kablam!     |
Nov 01 04:25:57.265 INFO kablam! 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Nov 01 04:25:57.265 INFO kablam!     |                                                 ----^^^^^
Nov 01 04:25:57.265 INFO kablam!     |                                                 |
Nov 01 04:25:57.266 INFO kablam!     |                                                 help: remove this `mut`
Nov 01 04:25:57.266 INFO kablam! 
Nov 01 04:26:02.202 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.32s
Nov 01 04:26:02.207 INFO kablam! su: No module specific data is present
Nov 01 04:26:03.343 INFO running `"docker" "rm" "-f" "24ed68efee8fa47a822ee36dc77c7e81b00c7ccca4b99b8bff2c040b54a4beaa"`
Nov 01 04:26:03.620 INFO blam! 24ed68efee8fa47a822ee36dc77c7e81b00c7ccca4b99b8bff2c040b54a4beaa
Nov 01 04:26:03.623 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-1/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 04:26:04.123 INFO blam! 172f5d48461c1655f24b84e8b9ae4cef65325884b050fd92fdfdf940da37f92f
Nov 01 04:26:04.125 INFO running `"docker" "start" "-a" "172f5d48461c1655f24b84e8b9ae4cef65325884b050fd92fdfdf940da37f92f"`
Nov 01 04:26:06.187 INFO kablam! usermod: no changes
Nov 01 04:26:06.279 INFO kablam!    Compiling libc v0.2.42
Nov 01 04:26:06.279 INFO kablam!    Compiling byteorder v1.2.3
Nov 01 04:26:08.987 INFO kablam!    Compiling iovec v0.1.2
Nov 01 04:26:09.531 INFO kablam!    Compiling bytes v0.4.8
Nov 01 04:26:11.337 INFO kablam!    Compiling lua v0.1.0 (/source)
Nov 01 04:26:12.271 INFO kablam! warning: unused import: `state::State`
Nov 01 04:26:12.272 INFO kablam!  --> src/scanner.rs:3:5
Nov 01 04:26:12.272 INFO kablam!   |
Nov 01 04:26:12.272 INFO kablam! 3 | use state::State;
Nov 01 04:26:12.273 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 04:26:12.273 INFO kablam!   |
Nov 01 04:26:12.273 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 04:26:12.274 INFO kablam! 
Nov 01 04:26:12.274 INFO kablam! warning: unused import: `std::mem`
Nov 01 04:26:12.274 INFO kablam!  --> src/scanner.rs:6:5
Nov 01 04:26:12.274 INFO kablam!   |
Nov 01 04:26:12.275 INFO kablam! 6 | use std::mem;
Nov 01 04:26:12.275 INFO kablam!   |     ^^^^^^^^
Nov 01 04:26:12.275 INFO kablam! 
Nov 01 04:26:12.276 INFO kablam! warning: doc comment not used by rustdoc
Nov 01 04:26:12.276 INFO kablam!    --> src/scanner.rs:368:25
Nov 01 04:26:12.276 INFO kablam!     |
Nov 01 04:26:12.276 INFO kablam! 368 |                         /// Escape charactors
Nov 01 04:26:12.277 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:26:12.277 INFO kablam!     |
Nov 01 04:26:12.277 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Nov 01 04:26:12.278 INFO kablam! 
Nov 01 04:26:12.278 INFO kablam! warning: unused imports: `Read`, `Write`
Nov 01 04:26:12.278 INFO kablam!    --> src/scanner.rs:643:19
Nov 01 04:26:12.278 INFO kablam!     |
Nov 01 04:26:12.279 INFO kablam! 643 |     use std::io::{Read, Write};
Nov 01 04:26:12.279 INFO kablam!     |                   ^^^^  ^^^^^
Nov 01 04:26:12.279 INFO kablam! 
Nov 01 04:26:12.371 INFO kablam! warning: unused import: `state::State`
Nov 01 04:26:12.372 INFO kablam!  --> src/scanner.rs:3:5
Nov 01 04:26:12.372 INFO kablam!   |
Nov 01 04:26:12.372 INFO kablam! 3 | use state::State;
Nov 01 04:26:12.373 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 04:26:12.373 INFO kablam!   |
Nov 01 04:26:12.373 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 04:26:12.374 INFO kablam! 
Nov 01 04:26:12.374 INFO kablam! warning: unused import: `std::mem`
Nov 01 04:26:12.374 INFO kablam!  --> src/scanner.rs:6:5
Nov 01 04:26:12.375 INFO kablam!   |
Nov 01 04:26:12.375 INFO kablam! 6 | use std::mem;
Nov 01 04:26:12.375 INFO kablam!   |     ^^^^^^^^
Nov 01 04:26:12.376 INFO kablam! 
Nov 01 04:26:12.387 INFO kablam! warning: doc comment not used by rustdoc
Nov 01 04:26:12.388 INFO kablam!    --> src/scanner.rs:368:25
Nov 01 04:26:12.388 INFO kablam!     |
Nov 01 04:26:12.388 INFO kablam! 368 |                         /// Escape charactors
Nov 01 04:26:12.388 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:26:12.389 INFO kablam!     |
Nov 01 04:26:12.389 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Nov 01 04:26:12.389 INFO kablam! 
Nov 01 04:26:12.563 INFO kablam! warning: unreachable expression
Nov 01 04:26:12.564 INFO kablam!    --> src/scanner.rs:238:9
Nov 01 04:26:12.564 INFO kablam!     |
Nov 01 04:26:12.564 INFO kablam! 238 |         unreachable!()
Nov 01 04:26:12.565 INFO kablam!     |         ^^^^^^^^^^^^^^
Nov 01 04:26:12.565 INFO kablam!     |
Nov 01 04:26:12.565 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Nov 01 04:26:12.566 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 01 04:26:12.566 INFO kablam! 
Nov 01 04:26:12.599 INFO kablam! warning: unreachable expression
Nov 01 04:26:12.600 INFO kablam!    --> src/scanner.rs:355:9
Nov 01 04:26:12.600 INFO kablam!     |
Nov 01 04:26:12.600 INFO kablam! 355 |         unreachable!()
Nov 01 04:26:12.600 INFO kablam!     |         ^^^^^^^^^^^^^^
Nov 01 04:26:12.600 INFO kablam!     |
Nov 01 04:26:12.600 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 01 04:26:12.607 INFO kablam! 
Nov 01 04:26:12.843 INFO kablam! warning: unreachable expression
Nov 01 04:26:12.844 INFO kablam!    --> src/scanner.rs:238:9
Nov 01 04:26:12.844 INFO kablam!     |
Nov 01 04:26:12.844 INFO kablam! 238 |         unreachable!()
Nov 01 04:26:12.845 INFO kablam!     |         ^^^^^^^^^^^^^^
Nov 01 04:26:12.845 INFO kablam!     |
Nov 01 04:26:12.845 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Nov 01 04:26:12.846 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 01 04:26:12.846 INFO kablam! 
Nov 01 04:26:12.862 INFO kablam! warning: unreachable expression
Nov 01 04:26:12.863 INFO kablam!    --> src/scanner.rs:355:9
Nov 01 04:26:12.863 INFO kablam!     |
Nov 01 04:26:12.863 INFO kablam! 355 |         unreachable!()
Nov 01 04:26:12.864 INFO kablam!     |         ^^^^^^^^^^^^^^
Nov 01 04:26:12.864 INFO kablam!     |
Nov 01 04:26:12.864 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 01 04:26:12.865 INFO kablam! 
Nov 01 04:26:13.631 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:26:13.631 INFO kablam!    --> src/compiler.rs:933:21
Nov 01 04:26:13.631 INFO kablam!     |
Nov 01 04:26:13.631 INFO kablam! 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Nov 01 04:26:13.631 INFO kablam!     |                     ^^^
Nov 01 04:26:13.631 INFO kablam!     |
Nov 01 04:26:13.631 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 01 04:26:13.631 INFO kablam! 
Nov 01 04:26:13.631 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:26:13.631 INFO kablam!    --> src/compiler.rs:937:21
Nov 01 04:26:13.631 INFO kablam!     |
Nov 01 04:26:13.631 INFO kablam! 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Nov 01 04:26:13.631 INFO kablam!     |                     ^^^
Nov 01 04:26:13.631 INFO kablam! 
Nov 01 04:26:13.631 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:26:13.631 INFO kablam!     --> src/compiler.rs:1020:17
Nov 01 04:26:13.631 INFO kablam!      |
Nov 01 04:26:13.631 INFO kablam! 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Nov 01 04:26:13.631 INFO kablam!      |                 ^^^
Nov 01 04:26:13.631 INFO kablam! 
Nov 01 04:26:13.631 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:26:13.631 INFO kablam!     --> src/compiler.rs:1676:21
Nov 01 04:26:13.631 INFO kablam!      |
Nov 01 04:26:13.631 INFO kablam! 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Nov 01 04:26:13.631 INFO kablam!      |                     ^^^
Nov 01 04:26:13.631 INFO kablam! 
Nov 01 04:26:13.695 INFO kablam! warning: variable does not need to be mutable
Nov 01 04:26:13.695 INFO kablam!    --> src/scanner.rs:475:17
Nov 01 04:26:13.695 INFO kablam!     |
Nov 01 04:26:13.695 INFO kablam! 475 |             let mut cvalue = c as u32;
Nov 01 04:26:13.695 INFO kablam!     |                 ----^^^^^^
Nov 01 04:26:13.695 INFO kablam!     |                 |
Nov 01 04:26:13.695 INFO kablam!     |                 help: remove this `mut`
Nov 01 04:26:13.695 INFO kablam!     |
Nov 01 04:26:13.695 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 04:26:13.695 INFO kablam! 
Nov 01 04:26:13.711 INFO kablam! warning: variable does not need to be mutable
Nov 01 04:26:13.711 INFO kablam!    --> src/scanner.rs:517:49
Nov 01 04:26:13.711 INFO kablam!     |
Nov 01 04:26:13.711 INFO kablam! 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Nov 01 04:26:13.711 INFO kablam!     |                                                 ----^^^^^
Nov 01 04:26:13.711 INFO kablam!     |                                                 |
Nov 01 04:26:13.711 INFO kablam!     |                                                 help: remove this `mut`
Nov 01 04:26:13.711 INFO kablam! 
Nov 01 04:26:14.063 INFO kablam! warning: unused variable: `res`
Nov 01 04:26:14.063 INFO kablam!    --> src/scanner.rs:732:13
Nov 01 04:26:14.063 INFO kablam!     |
Nov 01 04:26:14.063 INFO kablam! 732 |         let res = scanner.scan();
Nov 01 04:26:14.063 INFO kablam!     |             ^^^ help: consider using `_res` instead
Nov 01 04:26:14.063 INFO kablam!     |
Nov 01 04:26:14.063 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 04:26:14.063 INFO kablam! 
Nov 01 04:26:14.075 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:26:14.075 INFO kablam!    --> src/compiler.rs:933:21
Nov 01 04:26:14.075 INFO kablam!     |
Nov 01 04:26:14.075 INFO kablam! 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Nov 01 04:26:14.075 INFO kablam!     |                     ^^^
Nov 01 04:26:14.075 INFO kablam!     |
Nov 01 04:26:14.075 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 01 04:26:14.075 INFO kablam! 
Nov 01 04:26:14.075 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:26:14.075 INFO kablam!    --> src/compiler.rs:937:21
Nov 01 04:26:14.075 INFO kablam!     |
Nov 01 04:26:14.075 INFO kablam! 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Nov 01 04:26:14.075 INFO kablam!     |                     ^^^
Nov 01 04:26:14.075 INFO kablam! 
Nov 01 04:26:14.075 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:26:14.075 INFO kablam!     --> src/compiler.rs:1020:17
Nov 01 04:26:14.075 INFO kablam!      |
Nov 01 04:26:14.075 INFO kablam! 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Nov 01 04:26:14.075 INFO kablam!      |                 ^^^
Nov 01 04:26:14.075 INFO kablam! 
Nov 01 04:26:14.075 INFO kablam! warning: value assigned to `reg` is never read
Nov 01 04:26:14.075 INFO kablam!     --> src/compiler.rs:1676:21
Nov 01 04:26:14.075 INFO kablam!      |
Nov 01 04:26:14.075 INFO kablam! 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Nov 01 04:26:14.075 INFO kablam!      |                     ^^^
Nov 01 04:26:14.075 INFO kablam! 
Nov 01 04:26:14.165 INFO kablam! warning: variable does not need to be mutable
Nov 01 04:26:14.165 INFO kablam!    --> src/scanner.rs:475:17
Nov 01 04:26:14.165 INFO kablam!     |
Nov 01 04:26:14.165 INFO kablam! 475 |             let mut cvalue = c as u32;
Nov 01 04:26:14.165 INFO kablam!     |                 ----^^^^^^
Nov 01 04:26:14.165 INFO kablam!     |                 |
Nov 01 04:26:14.165 INFO kablam!     |                 help: remove this `mut`
Nov 01 04:26:14.167 INFO kablam!     |
Nov 01 04:26:14.167 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 04:26:14.167 INFO kablam! 
Nov 01 04:26:14.187 INFO kablam! warning: variable does not need to be mutable
Nov 01 04:26:14.187 INFO kablam!    --> src/scanner.rs:517:49
Nov 01 04:26:14.187 INFO kablam!     |
Nov 01 04:26:14.187 INFO kablam! 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Nov 01 04:26:14.187 INFO kablam!     |                                                 ----^^^^^
Nov 01 04:26:14.187 INFO kablam!     |                                                 |
Nov 01 04:26:14.187 INFO kablam!     |                                                 help: remove this `mut`
Nov 01 04:26:14.187 INFO kablam! 
Nov 01 04:26:19.768 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.55s
Nov 01 04:26:19.772 INFO kablam! su: No module specific data is present
Nov 01 04:26:21.501 INFO running `"docker" "rm" "-f" "172f5d48461c1655f24b84e8b9ae4cef65325884b050fd92fdfdf940da37f92f"`
Nov 01 04:26:21.831 INFO blam! 172f5d48461c1655f24b84e8b9ae4cef65325884b050fd92fdfdf940da37f92f
Nov 01 04:26:21.835 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-1/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 04:26:22.299 INFO blam! 3260001c91880c3eee7ec95d6ec97b494b9fff636e88c684ecca90495b1c3de9
Nov 01 04:26:22.302 INFO running `"docker" "start" "-a" "3260001c91880c3eee7ec95d6ec97b494b9fff636e88c684ecca90495b1c3de9"`
Nov 01 04:26:24.335 INFO kablam! usermod: no changes
Nov 01 04:26:24.471 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Nov 01 04:26:24.477 INFO kablam!      Running /target/debug/deps/lua-cc64e2b5c5dd20c9
Nov 01 04:26:24.478 INFO blam! 
Nov 01 04:26:24.478 INFO blam! running 3 tests
Nov 01 04:26:24.479 INFO blam! test scanner::tests::scan ... ok
Nov 01 04:26:24.483 INFO blam! test scanner::tests::is_fns ... ok
Nov 01 04:26:24.483 INFO blam! test scanner::tests::to_string ... ok
Nov 01 04:26:24.483 INFO blam! 
Nov 01 04:26:24.483 INFO blam! test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 04:26:24.483 INFO blam! 
Nov 01 04:26:24.491 INFO blam! 
Nov 01 04:26:24.491 INFO kablam!      Running /target/debug/deps/lua-5e86773b2cd9432c
Nov 01 04:26:24.491 INFO blam! running 0 tests
Nov 01 04:26:24.491 INFO kablam!    Doc-tests lua
Nov 01 04:26:24.491 INFO blam! 
Nov 01 04:26:24.491 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 04:26:24.491 INFO blam! 
Nov 01 04:26:25.223 INFO blam! 
Nov 01 04:26:25.223 INFO blam! running 2 tests
Nov 01 04:26:26.787 INFO blam! test src/scanner.rs - scanner::Scanner<R>::reserved_or_name (line 597) ... ok
Nov 01 04:26:27.063 INFO blam! test src/state.rs - state::State::new (line 18) ... ok
Nov 01 04:26:27.063 INFO blam! 
Nov 01 04:26:27.064 INFO blam! test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 04:26:27.064 INFO blam! 
Nov 01 04:26:27.071 INFO kablam! su: No module specific data is present
Nov 01 04:26:28.359 INFO running `"docker" "rm" "-f" "3260001c91880c3eee7ec95d6ec97b494b9fff636e88c684ecca90495b1c3de9"`
Nov 01 04:26:28.723 INFO blam! 3260001c91880c3eee7ec95d6ec97b494b9fff636e88c684ecca90495b1c3de9
