Oct 12 18:14:51.995 INFO checking lonnng/lua-rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:14:51.995 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 18:14:52.494 INFO blam! 566f47bfb2cdbc68ce59e8bb27dccc65e3a03b62e0a6f55bbc8486a6ae764587
Oct 12 18:14:52.496 INFO running `"docker" "start" "-a" "566f47bfb2cdbc68ce59e8bb27dccc65e3a03b62e0a6f55bbc8486a6ae764587"`
Oct 12 18:14:54.856 INFO kablam! usermod: no changes
Oct 12 18:14:54.945 INFO kablam!     Checking libc v0.2.42
Oct 12 18:14:54.945 INFO kablam!     Checking byteorder v1.2.3
Oct 12 18:14:58.686 INFO kablam!     Checking iovec v0.1.2
Oct 12 18:14:59.506 INFO kablam!     Checking bytes v0.4.8
Oct 12 18:15:01.702 INFO kablam!     Checking lua v0.1.0 (/source)
Oct 12 18:15:03.208 INFO kablam! warning: unused import: `state::State`
Oct 12 18:15:03.208 INFO kablam!  --> src/scanner.rs:3:5
Oct 12 18:15:03.208 INFO kablam!   |
Oct 12 18:15:03.208 INFO kablam! 3 | use state::State;
Oct 12 18:15:03.208 INFO kablam!   |     ^^^^^^^^^^^^
Oct 12 18:15:03.210 INFO kablam!   |
Oct 12 18:15:03.210 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:15:03.210 INFO kablam! 
Oct 12 18:15:03.210 INFO kablam! warning: unused import: `std::mem`
Oct 12 18:15:03.210 INFO kablam!  --> src/scanner.rs:6:5
Oct 12 18:15:03.210 INFO kablam!   |
Oct 12 18:15:03.210 INFO kablam! 6 | use std::mem;
Oct 12 18:15:03.210 INFO kablam!   |     ^^^^^^^^
Oct 12 18:15:03.210 INFO kablam! 
Oct 12 18:15:03.210 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 18:15:03.210 INFO kablam!    --> src/scanner.rs:368:25
Oct 12 18:15:03.210 INFO kablam!     |
Oct 12 18:15:03.210 INFO kablam! 368 |                         /// Escape charactors
Oct 12 18:15:03.210 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:15:03.210 INFO kablam!     |
Oct 12 18:15:03.210 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 18:15:03.210 INFO kablam! 
Oct 12 18:15:03.220 INFO kablam! warning: unused import: `state::State`
Oct 12 18:15:03.220 INFO kablam!  --> src/scanner.rs:3:5
Oct 12 18:15:03.220 INFO kablam!   |
Oct 12 18:15:03.220 INFO kablam! 3 | use state::State;
Oct 12 18:15:03.221 INFO kablam!   |     ^^^^^^^^^^^^
Oct 12 18:15:03.221 INFO kablam!   |
Oct 12 18:15:03.221 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:15:03.221 INFO kablam! 
Oct 12 18:15:03.221 INFO kablam! warning: unused import: `std::mem`
Oct 12 18:15:03.222 INFO kablam!  --> src/scanner.rs:6:5
Oct 12 18:15:03.222 INFO kablam!   |
Oct 12 18:15:03.222 INFO kablam! 6 | use std::mem;
Oct 12 18:15:03.222 INFO kablam!   |     ^^^^^^^^
Oct 12 18:15:03.222 INFO kablam! 
Oct 12 18:15:03.222 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 18:15:03.222 INFO kablam!    --> src/scanner.rs:368:25
Oct 12 18:15:03.222 INFO kablam!     |
Oct 12 18:15:03.222 INFO kablam! 368 |                         /// Escape charactors
Oct 12 18:15:03.222 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:15:03.222 INFO kablam!     |
Oct 12 18:15:03.222 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 18:15:03.222 INFO kablam! 
Oct 12 18:15:03.222 INFO kablam! warning: unused imports: `Read`, `Write`
Oct 12 18:15:03.222 INFO kablam!    --> src/scanner.rs:643:19
Oct 12 18:15:03.222 INFO kablam!     |
Oct 12 18:15:03.222 INFO kablam! 643 |     use std::io::{Read, Write};
Oct 12 18:15:03.225 INFO kablam!     |                   ^^^^  ^^^^^
Oct 12 18:15:03.225 INFO kablam! 
Oct 12 18:15:03.444 INFO kablam! warning: unused import: `state::State`
Oct 12 18:15:03.445 INFO kablam!  --> src/scanner.rs:3:5
Oct 12 18:15:03.445 INFO kablam!   |
Oct 12 18:15:03.445 INFO kablam! 3 | use state::State;
Oct 12 18:15:03.446 INFO kablam!   |     ^^^^^^^^^^^^
Oct 12 18:15:03.446 INFO kablam!   |
Oct 12 18:15:03.447 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:15:03.447 INFO kablam! 
Oct 12 18:15:03.448 INFO kablam! warning: unused import: `std::mem`
Oct 12 18:15:03.448 INFO kablam!  --> src/scanner.rs:6:5
Oct 12 18:15:03.449 INFO kablam!   |
Oct 12 18:15:03.449 INFO kablam! 6 | use std::mem;
Oct 12 18:15:03.450 INFO kablam!   |     ^^^^^^^^
Oct 12 18:15:03.450 INFO kablam! 
Oct 12 18:15:03.450 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 18:15:03.451 INFO kablam!    --> src/scanner.rs:368:25
Oct 12 18:15:03.456 INFO kablam!     |
Oct 12 18:15:03.456 INFO kablam! 368 |                         /// Escape charactors
Oct 12 18:15:03.456 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:15:03.456 INFO kablam!     |
Oct 12 18:15:03.456 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 18:15:03.456 INFO kablam! 
Oct 12 18:15:03.811 INFO kablam! warning: unreachable expression
Oct 12 18:15:03.811 INFO kablam!    --> src/scanner.rs:238:9
Oct 12 18:15:03.811 INFO kablam!     |
Oct 12 18:15:03.811 INFO kablam! 238 |         unreachable!()
Oct 12 18:15:03.811 INFO kablam!     |         ^^^^^^^^^^^^^^
Oct 12 18:15:03.811 INFO kablam!     |
Oct 12 18:15:03.811 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Oct 12 18:15:03.811 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)
Oct 12 18:15:03.811 INFO kablam! 
Oct 12 18:15:03.852 INFO kablam! warning: unreachable expression
Oct 12 18:15:03.852 INFO kablam!    --> src/scanner.rs:355:9
Oct 12 18:15:03.852 INFO kablam!     |
Oct 12 18:15:03.852 INFO kablam! 355 |         unreachable!()
Oct 12 18:15:03.852 INFO kablam!     |         ^^^^^^^^^^^^^^
Oct 12 18:15:03.852 INFO kablam!     |
Oct 12 18:15:03.852 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)
Oct 12 18:15:03.852 INFO kablam! 
Oct 12 18:15:03.872 INFO kablam! warning: unreachable expression
Oct 12 18:15:03.872 INFO kablam!    --> src/scanner.rs:238:9
Oct 12 18:15:03.872 INFO kablam!     |
Oct 12 18:15:03.872 INFO kablam! 238 |         unreachable!()
Oct 12 18:15:03.872 INFO kablam!     |         ^^^^^^^^^^^^^^
Oct 12 18:15:03.872 INFO kablam!     |
Oct 12 18:15:03.872 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Oct 12 18:15:03.872 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)
Oct 12 18:15:03.872 INFO kablam! 
Oct 12 18:15:03.936 INFO kablam! warning: unreachable expression
Oct 12 18:15:03.936 INFO kablam!    --> src/scanner.rs:355:9
Oct 12 18:15:03.936 INFO kablam!     |
Oct 12 18:15:03.936 INFO kablam! 355 |         unreachable!()
Oct 12 18:15:03.936 INFO kablam!     |         ^^^^^^^^^^^^^^
Oct 12 18:15:03.936 INFO kablam!     |
Oct 12 18:15:03.936 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)
Oct 12 18:15:03.936 INFO kablam! 
Oct 12 18:15:04.115 INFO kablam! warning: unreachable expression
Oct 12 18:15:04.115 INFO kablam!    --> src/scanner.rs:238:9
Oct 12 18:15:04.115 INFO kablam!     |
Oct 12 18:15:04.115 INFO kablam! 238 |         unreachable!()
Oct 12 18:15:04.115 INFO kablam!     |         ^^^^^^^^^^^^^^
Oct 12 18:15:04.116 INFO kablam!     |
Oct 12 18:15:04.116 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Oct 12 18:15:04.116 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)
Oct 12 18:15:04.116 INFO kablam! 
Oct 12 18:15:04.172 INFO kablam! warning: unreachable expression
Oct 12 18:15:04.172 INFO kablam!    --> src/scanner.rs:355:9
Oct 12 18:15:04.173 INFO kablam!     |
Oct 12 18:15:04.173 INFO kablam! 355 |         unreachable!()
Oct 12 18:15:04.173 INFO kablam!     |         ^^^^^^^^^^^^^^
Oct 12 18:15:04.173 INFO kablam!     |
Oct 12 18:15:04.173 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)
Oct 12 18:15:04.174 INFO kablam! 
Oct 12 18:15:05.668 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.668 INFO kablam!    --> src/compiler.rs:933:21
Oct 12 18:15:05.668 INFO kablam!     |
Oct 12 18:15:05.668 INFO kablam! 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Oct 12 18:15:05.668 INFO kablam!     |                     ^^^
Oct 12 18:15:05.676 INFO kablam!     |
Oct 12 18:15:05.677 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 12 18:15:05.677 INFO kablam! 
Oct 12 18:15:05.677 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.677 INFO kablam!    --> src/compiler.rs:937:21
Oct 12 18:15:05.677 INFO kablam!     |
Oct 12 18:15:05.677 INFO kablam! 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Oct 12 18:15:05.677 INFO kablam!     |                     ^^^
Oct 12 18:15:05.677 INFO kablam! 
Oct 12 18:15:05.677 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.677 INFO kablam!     --> src/compiler.rs:1020:17
Oct 12 18:15:05.677 INFO kablam!      |
Oct 12 18:15:05.677 INFO kablam! 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Oct 12 18:15:05.677 INFO kablam!      |                 ^^^
Oct 12 18:15:05.677 INFO kablam! 
Oct 12 18:15:05.678 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.678 INFO kablam!     --> src/compiler.rs:1676:21
Oct 12 18:15:05.678 INFO kablam!      |
Oct 12 18:15:05.678 INFO kablam! 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Oct 12 18:15:05.678 INFO kablam!      |                     ^^^
Oct 12 18:15:05.678 INFO kablam! 
Oct 12 18:15:05.765 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:15:05.766 INFO kablam!    --> src/scanner.rs:475:17
Oct 12 18:15:05.766 INFO kablam!     |
Oct 12 18:15:05.766 INFO kablam! 475 |             let mut cvalue = c as u32;
Oct 12 18:15:05.766 INFO kablam!     |                 ----^^^^^^
Oct 12 18:15:05.766 INFO kablam!     |                 |
Oct 12 18:15:05.766 INFO kablam!     |                 help: remove this `mut`
Oct 12 18:15:05.780 INFO kablam!     |
Oct 12 18:15:05.780 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 18:15:05.781 INFO kablam! 
Oct 12 18:15:05.792 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:15:05.792 INFO kablam!    --> src/scanner.rs:517:49
Oct 12 18:15:05.792 INFO kablam!     |
Oct 12 18:15:05.792 INFO kablam! 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Oct 12 18:15:05.792 INFO kablam!     |                                                 ----^^^^^
Oct 12 18:15:05.792 INFO kablam!     |                                                 |
Oct 12 18:15:05.792 INFO kablam!     |                                                 help: remove this `mut`
Oct 12 18:15:05.804 INFO kablam! 
Oct 12 18:15:05.823 INFO kablam! warning: unused variable: `res`
Oct 12 18:15:05.823 INFO kablam!    --> src/scanner.rs:732:13
Oct 12 18:15:05.823 INFO kablam!     |
Oct 12 18:15:05.824 INFO kablam! 732 |         let res = scanner.scan();
Oct 12 18:15:05.824 INFO kablam!     |             ^^^ help: consider using `_res` instead
Oct 12 18:15:05.844 INFO kablam!     |
Oct 12 18:15:05.844 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 18:15:05.844 INFO kablam! 
Oct 12 18:15:05.847 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.848 INFO kablam!    --> src/compiler.rs:933:21
Oct 12 18:15:05.848 INFO kablam!     |
Oct 12 18:15:05.848 INFO kablam! 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Oct 12 18:15:05.848 INFO kablam!     |                     ^^^
Oct 12 18:15:05.848 INFO kablam!     |
Oct 12 18:15:05.848 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 12 18:15:05.848 INFO kablam! 
Oct 12 18:15:05.848 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.848 INFO kablam!    --> src/compiler.rs:937:21
Oct 12 18:15:05.848 INFO kablam!     |
Oct 12 18:15:05.848 INFO kablam! 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Oct 12 18:15:05.848 INFO kablam!     |                     ^^^
Oct 12 18:15:05.848 INFO kablam! 
Oct 12 18:15:05.848 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.848 INFO kablam!     --> src/compiler.rs:1020:17
Oct 12 18:15:05.848 INFO kablam!      |
Oct 12 18:15:05.848 INFO kablam! 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Oct 12 18:15:05.848 INFO kablam!      |                 ^^^
Oct 12 18:15:05.849 INFO kablam! 
Oct 12 18:15:05.850 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.850 INFO kablam!     --> src/compiler.rs:1676:21
Oct 12 18:15:05.850 INFO kablam!      |
Oct 12 18:15:05.850 INFO kablam! 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Oct 12 18:15:05.851 INFO kablam!      |                     ^^^
Oct 12 18:15:05.851 INFO kablam! 
Oct 12 18:15:05.906 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.906 INFO kablam!    --> src/compiler.rs:933:21
Oct 12 18:15:05.906 INFO kablam!     |
Oct 12 18:15:05.906 INFO kablam! 933 |                     reg += self.compile_expr(reg, expr, expr_ctx);
Oct 12 18:15:05.906 INFO kablam!     |                     ^^^
Oct 12 18:15:05.906 INFO kablam!     |
Oct 12 18:15:05.906 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 12 18:15:05.906 INFO kablam! 
Oct 12 18:15:05.906 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.906 INFO kablam!    --> src/compiler.rs:937:21
Oct 12 18:15:05.906 INFO kablam!     |
Oct 12 18:15:05.906 INFO kablam! 937 |                     reg += self.compile_expr(reg, expr, &ExprContext::with_opt(0));
Oct 12 18:15:05.906 INFO kablam!     |                     ^^^
Oct 12 18:15:05.906 INFO kablam! 
Oct 12 18:15:05.906 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.906 INFO kablam!     --> src/compiler.rs:1020:17
Oct 12 18:15:05.906 INFO kablam!      |
Oct 12 18:15:05.906 INFO kablam! 1020 |                 reg += self.compile_expr(reg, rhs, &ExprContext::with_opt(0));
Oct 12 18:15:05.906 INFO kablam!      |                 ^^^
Oct 12 18:15:05.906 INFO kablam! 
Oct 12 18:15:05.907 INFO kablam! warning: value assigned to `reg` is never read
Oct 12 18:15:05.908 INFO kablam!     --> src/compiler.rs:1676:21
Oct 12 18:15:05.908 INFO kablam!      |
Oct 12 18:15:05.908 INFO kablam! 1676 |                     reg += self.compile_expr(reg, &exprs[0], &ExprContext::with_opt(-2));
Oct 12 18:15:05.908 INFO kablam!      |                     ^^^
Oct 12 18:15:05.908 INFO kablam! 
Oct 12 18:15:05.946 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:15:05.946 INFO kablam!    --> src/scanner.rs:475:17
Oct 12 18:15:05.946 INFO kablam!     |
Oct 12 18:15:05.946 INFO kablam! 475 |             let mut cvalue = c as u32;
Oct 12 18:15:05.946 INFO kablam!     |                 ----^^^^^^
Oct 12 18:15:05.946 INFO kablam!     |                 |
Oct 12 18:15:05.946 INFO kablam!     |                 help: remove this `mut`
Oct 12 18:15:05.956 INFO kablam!     |
Oct 12 18:15:05.956 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 18:15:05.956 INFO kablam! 
Oct 12 18:15:05.968 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:15:05.968 INFO kablam!    --> src/scanner.rs:517:49
Oct 12 18:15:05.968 INFO kablam!     |
Oct 12 18:15:05.968 INFO kablam! 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Oct 12 18:15:05.968 INFO kablam!     |                                                 ----^^^^^
Oct 12 18:15:05.968 INFO kablam!     |                                                 |
Oct 12 18:15:05.968 INFO kablam!     |                                                 help: remove this `mut`
Oct 12 18:15:05.968 INFO kablam! 
Oct 12 18:15:06.025 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:15:06.025 INFO kablam!    --> src/scanner.rs:475:17
Oct 12 18:15:06.025 INFO kablam!     |
Oct 12 18:15:06.025 INFO kablam! 475 |             let mut cvalue = c as u32;
Oct 12 18:15:06.025 INFO kablam!     |                 ----^^^^^^
Oct 12 18:15:06.025 INFO kablam!     |                 |
Oct 12 18:15:06.025 INFO kablam!     |                 help: remove this `mut`
Oct 12 18:15:06.025 INFO kablam!     |
Oct 12 18:15:06.025 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 18:15:06.025 INFO kablam! 
Oct 12 18:15:06.048 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:15:06.048 INFO kablam!    --> src/scanner.rs:517:49
Oct 12 18:15:06.048 INFO kablam!     |
Oct 12 18:15:06.048 INFO kablam! 517 |             let (mut fraction, mut latest_char, mut count) = self.read_hexadecimal(0.0);
Oct 12 18:15:06.048 INFO kablam!     |                                                 ----^^^^^
Oct 12 18:15:06.048 INFO kablam!     |                                                 |
Oct 12 18:15:06.048 INFO kablam!     |                                                 help: remove this `mut`
Oct 12 18:15:06.048 INFO kablam! 
Oct 12 18:15:07.809 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.93s
Oct 12 18:15:07.813 INFO kablam! su: No module specific data is present
Oct 12 18:15:09.515 INFO running `"docker" "rm" "-f" "566f47bfb2cdbc68ce59e8bb27dccc65e3a03b62e0a6f55bbc8486a6ae764587"`
Oct 12 18:15:09.897 INFO blam! 566f47bfb2cdbc68ce59e8bb27dccc65e3a03b62e0a6f55bbc8486a6ae764587