Dec 01 10:58:06.034 INFO testing lonnng/lua-rs against 1.30.1 for beta-1.31-5
Dec 01 10:58:06.034 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 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"`
Dec 01 10:58:06.588 INFO [stdout] e8f0b0785e2cfe6af5690fa646f1cfc401e5964b7d8b8bda4665cfe3e473d7aa
Dec 01 10:58:06.590 INFO running `"docker" "start" "-a" "e8f0b0785e2cfe6af5690fa646f1cfc401e5964b7d8b8bda4665cfe3e473d7aa"`
Dec 01 10:58:09.227 INFO [stderr] usermod: no changes
Dec 01 10:58:09.343 INFO [stderr]    Compiling libc v0.2.42
Dec 01 10:58:09.343 INFO [stderr]    Compiling byteorder v1.2.3
Dec 01 10:58:11.811 INFO [stderr]    Compiling iovec v0.1.2
Dec 01 10:58:12.416 INFO [stderr]    Compiling bytes v0.4.8
Dec 01 10:58:14.287 INFO [stderr]    Compiling lua v0.1.0 (/source)
Dec 01 10:58:14.971 INFO [stderr] warning: unused import: `state::State`
Dec 01 10:58:14.971 INFO [stderr]  --> src/scanner.rs:3:5
Dec 01 10:58:14.971 INFO [stderr]   |
Dec 01 10:58:14.971 INFO [stderr] 3 | use state::State;
Dec 01 10:58:14.971 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 01 10:58:14.971 INFO [stderr]   |
Dec 01 10:58:14.971 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 10:58:14.971 INFO [stderr] 
Dec 01 10:58:14.971 INFO [stderr] warning: unused import: `std::mem`
Dec 01 10:58:14.971 INFO [stderr]  --> src/scanner.rs:6:5
Dec 01 10:58:14.971 INFO [stderr]   |
Dec 01 10:58:14.971 INFO [stderr] 6 | use std::mem;
Dec 01 10:58:14.971 INFO [stderr]   |     ^^^^^^^^
Dec 01 10:58:14.971 INFO [stderr] 
Dec 01 10:58:14.971 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 10:58:14.971 INFO [stderr]    --> src/scanner.rs:368:25
Dec 01 10:58:14.971 INFO [stderr]     |
Dec 01 10:58:14.971 INFO [stderr] 368 |                         /// Escape charactors
Dec 01 10:58:14.971 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:58:14.971 INFO [stderr]     |
Dec 01 10:58:14.971 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 01 10:58:14.971 INFO [stderr] 
Dec 01 10:58:15.227 INFO [stderr] warning: unreachable expression
Dec 01 10:58:15.227 INFO [stderr]    --> src/scanner.rs:238:9
Dec 01 10:58:15.227 INFO [stderr]     |
Dec 01 10:58:15.227 INFO [stderr] 238 |         unreachable!()
Dec 01 10:58:15.227 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 01 10:58:15.227 INFO [stderr]     |
Dec 01 10:58:15.227 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 01 10:58:15.227 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 10:58:15.227 INFO [stderr] 
Dec 01 10:58:15.251 INFO [stderr] warning: unreachable expression
Dec 01 10:58:15.251 INFO [stderr]    --> src/scanner.rs:355:9
Dec 01 10:58:15.251 INFO [stderr]     |
Dec 01 10:58:15.251 INFO [stderr] 355 |         unreachable!()
Dec 01 10:58:15.251 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 01 10:58:15.251 INFO [stderr]     |
Dec 01 10:58:15.251 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 10:58:15.251 INFO [stderr] 
Dec 01 10:58:15.939 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:15.939 INFO [stderr]    --> src/compiler.rs:933:21
Dec 01 10:58:15.939 INFO [stderr]     |
Dec 01 10:58:15.939 INFO [stderr] 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Dec 01 10:58:15.939 INFO [stderr]     |                     ^^^
Dec 01 10:58:15.939 INFO [stderr]     |
Dec 01 10:58:15.939 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 01 10:58:15.939 INFO [stderr] 
Dec 01 10:58:15.939 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:15.939 INFO [stderr]    --> src/compiler.rs:937:21
Dec 01 10:58:15.939 INFO [stderr]     |
Dec 01 10:58:15.939 INFO [stderr] 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Dec 01 10:58:15.939 INFO [stderr]     |                     ^^^
Dec 01 10:58:15.939 INFO [stderr] 
Dec 01 10:58:15.939 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:15.939 INFO [stderr]     --> src/compiler.rs:1020:17
Dec 01 10:58:15.939 INFO [stderr]      |
Dec 01 10:58:15.939 INFO [stderr] 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Dec 01 10:58:15.939 INFO [stderr]      |                 ^^^
Dec 01 10:58:15.939 INFO [stderr] 
Dec 01 10:58:15.943 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:15.943 INFO [stderr]     --> src/compiler.rs:1676:21
Dec 01 10:58:15.943 INFO [stderr]      |
Dec 01 10:58:15.943 INFO [stderr] 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Dec 01 10:58:15.943 INFO [stderr]      |                     ^^^
Dec 01 10:58:15.943 INFO [stderr] 
Dec 01 10:58:15.983 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:58:15.991 INFO [stderr]    --> src/scanner.rs:475:17
Dec 01 10:58:15.991 INFO [stderr]     |
Dec 01 10:58:15.991 INFO [stderr] 475 |             let mut cvalue = c as u32;
Dec 01 10:58:15.991 INFO [stderr]     |                 ----^^^^^^
Dec 01 10:58:15.991 INFO [stderr]     |                 |
Dec 01 10:58:15.991 INFO [stderr]     |                 help: remove this `mut`
Dec 01 10:58:15.991 INFO [stderr]     |
Dec 01 10:58:15.991 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 10:58:15.991 INFO [stderr] 
Dec 01 10:58:15.991 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:58:15.991 INFO [stderr]    --> src/scanner.rs:517:49
Dec 01 10:58:15.991 INFO [stderr]     |
Dec 01 10:58:15.991 INFO [stderr] 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Dec 01 10:58:15.991 INFO [stderr]     |                                                 ----^^^^^
Dec 01 10:58:15.991 INFO [stderr]     |                                                 |
Dec 01 10:58:15.991 INFO [stderr]     |                                                 help: remove this `mut`
Dec 01 10:58:15.991 INFO [stderr] 
Dec 01 10:58:20.467 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.19s
Dec 01 10:58:20.470 INFO [stderr] su: No module specific data is present
Dec 01 10:58:21.467 INFO running `"docker" "inspect" "e8f0b0785e2cfe6af5690fa646f1cfc401e5964b7d8b8bda4665cfe3e473d7aa"`
Dec 01 10:58:21.731 INFO running `"docker" "rm" "-f" "e8f0b0785e2cfe6af5690fa646f1cfc401e5964b7d8b8bda4665cfe3e473d7aa"`
Dec 01 10:58:22.026 INFO [stdout] e8f0b0785e2cfe6af5690fa646f1cfc401e5964b7d8b8bda4665cfe3e473d7aa
Dec 01 10:58:22.033 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 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"`
Dec 01 10:58:22.420 INFO [stdout] e0ac8663fae8e3a7fafe07d022062c2c853eeb2dd8301bd27935447000bb63a6
Dec 01 10:58:22.422 INFO running `"docker" "start" "-a" "e0ac8663fae8e3a7fafe07d022062c2c853eeb2dd8301bd27935447000bb63a6"`
Dec 01 10:58:24.607 INFO [stderr] usermod: no changes
Dec 01 10:58:24.672 INFO [stderr]    Compiling libc v0.2.42
Dec 01 10:58:24.672 INFO [stderr]    Compiling byteorder v1.2.3
Dec 01 10:58:27.077 INFO [stderr]    Compiling iovec v0.1.2
Dec 01 10:58:27.660 INFO [stderr]    Compiling bytes v0.4.8
Dec 01 10:58:29.418 INFO [stderr]    Compiling lua v0.1.0 (/source)
Dec 01 10:58:30.379 INFO [stderr] warning: unused import: `state::State`
Dec 01 10:58:30.379 INFO [stderr]  --> src/scanner.rs:3:5
Dec 01 10:58:30.379 INFO [stderr]   |
Dec 01 10:58:30.379 INFO [stderr] 3 | use state::State;
Dec 01 10:58:30.379 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 01 10:58:30.379 INFO [stderr]   |
Dec 01 10:58:30.379 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 10:58:30.379 INFO [stderr] 
Dec 01 10:58:30.379 INFO [stderr] warning: unused import: `std::mem`
Dec 01 10:58:30.379 INFO [stderr]  --> src/scanner.rs:6:5
Dec 01 10:58:30.379 INFO [stderr]   |
Dec 01 10:58:30.379 INFO [stderr] 6 | use std::mem;
Dec 01 10:58:30.379 INFO [stderr]   |     ^^^^^^^^
Dec 01 10:58:30.379 INFO [stderr] 
Dec 01 10:58:30.380 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 10:58:30.380 INFO [stderr]    --> src/scanner.rs:368:25
Dec 01 10:58:30.380 INFO [stderr]     |
Dec 01 10:58:30.380 INFO [stderr] 368 |                         /// Escape charactors
Dec 01 10:58:30.380 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:58:30.380 INFO [stderr]     |
Dec 01 10:58:30.380 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 01 10:58:30.381 INFO [stderr] 
Dec 01 10:58:30.559 INFO [stderr] warning: unused import: `state::State`
Dec 01 10:58:30.559 INFO [stderr]  --> src/scanner.rs:3:5
Dec 01 10:58:30.559 INFO [stderr]   |
Dec 01 10:58:30.559 INFO [stderr] 3 | use state::State;
Dec 01 10:58:30.559 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 01 10:58:30.559 INFO [stderr]   |
Dec 01 10:58:30.559 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 10:58:30.559 INFO [stderr] 
Dec 01 10:58:30.559 INFO [stderr] warning: unused import: `std::mem`
Dec 01 10:58:30.559 INFO [stderr]  --> src/scanner.rs:6:5
Dec 01 10:58:30.559 INFO [stderr]   |
Dec 01 10:58:30.559 INFO [stderr] 6 | use std::mem;
Dec 01 10:58:30.559 INFO [stderr]   |     ^^^^^^^^
Dec 01 10:58:30.559 INFO [stderr] 
Dec 01 10:58:30.559 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 10:58:30.559 INFO [stderr]    --> src/scanner.rs:368:25
Dec 01 10:58:30.559 INFO [stderr]     |
Dec 01 10:58:30.559 INFO [stderr] 368 |                         /// Escape charactors
Dec 01 10:58:30.559 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:58:30.559 INFO [stderr]     |
Dec 01 10:58:30.559 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 01 10:58:30.559 INFO [stderr] 
Dec 01 10:58:30.571 INFO [stderr] warning: unused imports: `Read`, `Write`
Dec 01 10:58:30.571 INFO [stderr]    --> src/scanner.rs:643:19
Dec 01 10:58:30.571 INFO [stderr]     |
Dec 01 10:58:30.571 INFO [stderr] 643 |     use std::io::{Read, Write};
Dec 01 10:58:30.571 INFO [stderr]     |                   ^^^^  ^^^^^
Dec 01 10:58:30.571 INFO [stderr] 
Dec 01 10:58:30.715 INFO [stderr] warning: unreachable expression
Dec 01 10:58:30.715 INFO [stderr]    --> src/scanner.rs:238:9
Dec 01 10:58:30.715 INFO [stderr]     |
Dec 01 10:58:30.715 INFO [stderr] 238 |         unreachable!()
Dec 01 10:58:30.715 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 01 10:58:30.715 INFO [stderr]     |
Dec 01 10:58:30.715 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 01 10:58:30.715 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 10:58:30.715 INFO [stderr] 
Dec 01 10:58:30.751 INFO [stderr] warning: unreachable expression
Dec 01 10:58:30.751 INFO [stderr]    --> src/scanner.rs:355:9
Dec 01 10:58:30.751 INFO [stderr]     |
Dec 01 10:58:30.751 INFO [stderr] 355 |         unreachable!()
Dec 01 10:58:30.751 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 01 10:58:30.751 INFO [stderr]     |
Dec 01 10:58:30.751 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 10:58:30.751 INFO [stderr] 
Dec 01 10:58:30.979 INFO [stderr] warning: unreachable expression
Dec 01 10:58:30.979 INFO [stderr]    --> src/scanner.rs:238:9
Dec 01 10:58:30.979 INFO [stderr]     |
Dec 01 10:58:30.979 INFO [stderr] 238 |         unreachable!()
Dec 01 10:58:30.979 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 01 10:58:30.979 INFO [stderr]     |
Dec 01 10:58:30.979 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 01 10:58:30.979 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 10:58:30.979 INFO [stderr] 
Dec 01 10:58:31.007 INFO [stderr] warning: unreachable expression
Dec 01 10:58:31.007 INFO [stderr]    --> src/scanner.rs:355:9
Dec 01 10:58:31.007 INFO [stderr]     |
Dec 01 10:58:31.007 INFO [stderr] 355 |         unreachable!()
Dec 01 10:58:31.007 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 01 10:58:31.007 INFO [stderr]     |
Dec 01 10:58:31.007 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 10:58:31.007 INFO [stderr] 
Dec 01 10:58:31.808 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:31.808 INFO [stderr]    --> src/compiler.rs:933:21
Dec 01 10:58:31.808 INFO [stderr]     |
Dec 01 10:58:31.808 INFO [stderr] 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Dec 01 10:58:31.808 INFO [stderr]     |                     ^^^
Dec 01 10:58:31.808 INFO [stderr]     |
Dec 01 10:58:31.808 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 01 10:58:31.808 INFO [stderr] 
Dec 01 10:58:31.808 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:31.808 INFO [stderr]    --> src/compiler.rs:937:21
Dec 01 10:58:31.808 INFO [stderr]     |
Dec 01 10:58:31.808 INFO [stderr] 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Dec 01 10:58:31.808 INFO [stderr]     |                     ^^^
Dec 01 10:58:31.808 INFO [stderr] 
Dec 01 10:58:31.808 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:31.808 INFO [stderr]     --> src/compiler.rs:1020:17
Dec 01 10:58:31.808 INFO [stderr]      |
Dec 01 10:58:31.808 INFO [stderr] 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Dec 01 10:58:31.808 INFO [stderr]      |                 ^^^
Dec 01 10:58:31.808 INFO [stderr] 
Dec 01 10:58:31.808 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:31.808 INFO [stderr]     --> src/compiler.rs:1676:21
Dec 01 10:58:31.808 INFO [stderr]      |
Dec 01 10:58:31.808 INFO [stderr] 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Dec 01 10:58:31.808 INFO [stderr]      |                     ^^^
Dec 01 10:58:31.808 INFO [stderr] 
Dec 01 10:58:31.907 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:58:31.907 INFO [stderr]    --> src/scanner.rs:475:17
Dec 01 10:58:31.907 INFO [stderr]     |
Dec 01 10:58:31.907 INFO [stderr] 475 |             let mut cvalue = c as u32;
Dec 01 10:58:31.907 INFO [stderr]     |                 ----^^^^^^
Dec 01 10:58:31.907 INFO [stderr]     |                 |
Dec 01 10:58:31.907 INFO [stderr]     |                 help: remove this `mut`
Dec 01 10:58:31.920 INFO [stderr]     |
Dec 01 10:58:31.920 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 10:58:31.920 INFO [stderr] 
Dec 01 10:58:31.927 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:58:31.927 INFO [stderr]    --> src/scanner.rs:517:49
Dec 01 10:58:31.927 INFO [stderr]     |
Dec 01 10:58:31.927 INFO [stderr] 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Dec 01 10:58:31.927 INFO [stderr]     |                                                 ----^^^^^
Dec 01 10:58:31.927 INFO [stderr]     |                                                 |
Dec 01 10:58:31.927 INFO [stderr]     |                                                 help: remove this `mut`
Dec 01 10:58:31.943 INFO [stderr] 
Dec 01 10:58:32.015 INFO [stderr] warning: unused variable: `res`
Dec 01 10:58:32.015 INFO [stderr]    --> src/scanner.rs:732:13
Dec 01 10:58:32.015 INFO [stderr]     |
Dec 01 10:58:32.015 INFO [stderr] 732 |         let res = scanner.scan();
Dec 01 10:58:32.015 INFO [stderr]     |             ^^^ help: consider using `_res` instead
Dec 01 10:58:32.015 INFO [stderr]     |
Dec 01 10:58:32.015 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 10:58:32.015 INFO [stderr] 
Dec 01 10:58:32.019 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:32.019 INFO [stderr]    --> src/compiler.rs:933:21
Dec 01 10:58:32.019 INFO [stderr]     |
Dec 01 10:58:32.019 INFO [stderr] 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Dec 01 10:58:32.019 INFO [stderr]     |                     ^^^
Dec 01 10:58:32.019 INFO [stderr]     |
Dec 01 10:58:32.019 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 01 10:58:32.019 INFO [stderr] 
Dec 01 10:58:32.019 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:32.019 INFO [stderr]    --> src/compiler.rs:937:21
Dec 01 10:58:32.019 INFO [stderr]     |
Dec 01 10:58:32.019 INFO [stderr] 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Dec 01 10:58:32.019 INFO [stderr]     |                     ^^^
Dec 01 10:58:32.019 INFO [stderr] 
Dec 01 10:58:32.019 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:32.019 INFO [stderr]     --> src/compiler.rs:1020:17
Dec 01 10:58:32.019 INFO [stderr]      |
Dec 01 10:58:32.019 INFO [stderr] 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Dec 01 10:58:32.019 INFO [stderr]      |                 ^^^
Dec 01 10:58:32.019 INFO [stderr] 
Dec 01 10:58:32.019 INFO [stderr] warning: value assigned to `reg` is never read
Dec 01 10:58:32.019 INFO [stderr]     --> src/compiler.rs:1676:21
Dec 01 10:58:32.019 INFO [stderr]      |
Dec 01 10:58:32.019 INFO [stderr] 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Dec 01 10:58:32.019 INFO [stderr]      |                     ^^^
Dec 01 10:58:32.019 INFO [stderr] 
Dec 01 10:58:32.059 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:58:32.059 INFO [stderr]    --> src/scanner.rs:475:17
Dec 01 10:58:32.059 INFO [stderr]     |
Dec 01 10:58:32.059 INFO [stderr] 475 |             let mut cvalue = c as u32;
Dec 01 10:58:32.059 INFO [stderr]     |                 ----^^^^^^
Dec 01 10:58:32.059 INFO [stderr]     |                 |
Dec 01 10:58:32.059 INFO [stderr]     |                 help: remove this `mut`
Dec 01 10:58:32.059 INFO [stderr]     |
Dec 01 10:58:32.059 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 10:58:32.059 INFO [stderr] 
Dec 01 10:58:32.063 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:58:32.063 INFO [stderr]    --> src/scanner.rs:517:49
Dec 01 10:58:32.063 INFO [stderr]     |
Dec 01 10:58:32.063 INFO [stderr] 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Dec 01 10:58:32.063 INFO [stderr]     |                                                 ----^^^^^
Dec 01 10:58:32.063 INFO [stderr]     |                                                 |
Dec 01 10:58:32.063 INFO [stderr]     |                                                 help: remove this `mut`
Dec 01 10:58:32.063 INFO [stderr] 
Dec 01 10:58:36.207 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.57s
Dec 01 10:58:36.214 INFO [stderr] su: No module specific data is present
Dec 01 10:58:37.527 INFO running `"docker" "inspect" "e0ac8663fae8e3a7fafe07d022062c2c853eeb2dd8301bd27935447000bb63a6"`
Dec 01 10:58:37.792 INFO running `"docker" "rm" "-f" "e0ac8663fae8e3a7fafe07d022062c2c853eeb2dd8301bd27935447000bb63a6"`
Dec 01 10:58:38.011 INFO [stdout] e0ac8663fae8e3a7fafe07d022062c2c853eeb2dd8301bd27935447000bb63a6
Dec 01 10:58:38.017 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 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"`
Dec 01 10:58:38.270 INFO [stdout] eee4d59e44ad7dc814b6262c46006684ea3d4ffdce7392d5dda734591149bdc2
Dec 01 10:58:38.273 INFO running `"docker" "start" "-a" "eee4d59e44ad7dc814b6262c46006684ea3d4ffdce7392d5dda734591149bdc2"`
Dec 01 10:58:38.791 INFO [stderr] usermod: no changes
Dec 01 10:58:38.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 01 10:58:38.847 INFO [stderr]      Running /target/debug/deps/lua-06d8b0012644fa00
Dec 01 10:58:38.852 INFO [stdout] 
Dec 01 10:58:38.852 INFO [stdout] running 3 tests
Dec 01 10:58:38.853 INFO [stdout] test scanner::tests::to_string ... ok
Dec 01 10:58:38.853 INFO [stdout] test scanner::tests::scan ... ok
Dec 01 10:58:38.859 INFO [stdout] test scanner::tests::is_fns ... ok
Dec 01 10:58:38.859 INFO [stdout] 
Dec 01 10:58:38.859 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 10:58:38.859 INFO [stdout] 
Dec 01 10:58:38.862 INFO [stderr]      Running /target/debug/deps/lua-f506d081e3dc53d1
Dec 01 10:58:38.864 INFO [stdout] 
Dec 01 10:58:38.864 INFO [stdout] running 0 tests
Dec 01 10:58:38.864 INFO [stdout] 
Dec 01 10:58:38.864 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 10:58:38.864 INFO [stdout] 
Dec 01 10:58:38.864 INFO [stderr]    Doc-tests lua
Dec 01 10:58:39.604 INFO [stdout] 
Dec 01 10:58:39.604 INFO [stdout] running 2 tests
Dec 01 10:58:40.496 INFO [stdout] test src/scanner.rs - scanner::Scanner<R>::reserved_or_name (line 597) ... ok
Dec 01 10:58:40.691 INFO [stdout] test src/state.rs - state::State::new (line 18) ... ok
Dec 01 10:58:40.691 INFO [stdout] 
Dec 01 10:58:40.691 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 10:58:40.691 INFO [stdout] 
Dec 01 10:58:40.698 INFO [stderr] su: No module specific data is present
Dec 01 10:58:41.100 INFO running `"docker" "inspect" "eee4d59e44ad7dc814b6262c46006684ea3d4ffdce7392d5dda734591149bdc2"`
Dec 01 10:58:41.272 INFO running `"docker" "rm" "-f" "eee4d59e44ad7dc814b6262c46006684ea3d4ffdce7392d5dda734591149bdc2"`
Dec 01 10:58:41.455 INFO [stdout] eee4d59e44ad7dc814b6262c46006684ea3d4ffdce7392d5dda734591149bdc2
