Dec 04 14:20:03.168 INFO checking mchesser/pchip against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:20:03.168 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 14:20:03.599 INFO [stdout] a80c71d2be5239e2469547f9a4ddcffd5d0f65ebf0e8164cc4e8a866abd6206d
Dec 04 14:20:03.623 INFO running `"docker" "start" "-a" "a80c71d2be5239e2469547f9a4ddcffd5d0f65ebf0e8164cc4e8a866abd6206d"`
Dec 04 14:20:04.835 INFO [stderr] usermod: no changes
Dec 04 14:20:04.895 INFO [stderr]     Checking pchip v0.0.1 (/source)
Dec 04 14:20:06.575 INFO [stderr] warning: type alias is never used: `SpecialRegId`
Dec 04 14:20:06.575 INFO [stderr]  --> src/dlx/asm.rs:7:1
Dec 04 14:20:06.575 INFO [stderr]   |
Dec 04 14:20:06.575 INFO [stderr] 7 | pub type SpecialRegId = usize;
Dec 04 14:20:06.575 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:06.575 INFO [stderr]   |
Dec 04 14:20:06.575 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 14:20:06.575 INFO [stderr] 
Dec 04 14:20:06.575 INFO [stderr] warning: type alias is never used: `TrapId`
Dec 04 14:20:06.575 INFO [stderr]  --> src/dlx/asm.rs:8:1
Dec 04 14:20:06.575 INFO [stderr]   |
Dec 04 14:20:06.575 INFO [stderr] 8 | pub type TrapId = usize;
Dec 04 14:20:06.575 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:06.576 INFO [stderr] 
Dec 04 14:20:06.576 INFO [stderr] warning: variant is never constructed: `Unknown`
Dec 04 14:20:06.576 INFO [stderr]   --> src/dlx/asm.rs:13:5
Dec 04 14:20:06.576 INFO [stderr]    |
Dec 04 14:20:06.576 INFO [stderr] 13 |     Unknown(LabelId),
Dec 04 14:20:06.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 14:20:06.576 INFO [stderr] 
Dec 04 14:20:06.577 INFO [stderr] warning: constant item is never used: `HEAP_POINTER`
Dec 04 14:20:06.577 INFO [stderr]   --> src/dlx/codegen.rs:30:1
Dec 04 14:20:06.577 INFO [stderr]    |
Dec 04 14:20:06.577 INFO [stderr] 30 | const HEAP_POINTER: RegId = 15;
Dec 04 14:20:06.577 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:06.577 INFO [stderr] 
Dec 04 14:20:06.579 INFO [stderr] warning: variant is never constructed: `Uint`
Dec 04 14:20:06.579 INFO [stderr]   --> src/lexer.rs:51:5
Dec 04 14:20:06.579 INFO [stderr]    |
Dec 04 14:20:06.579 INFO [stderr] 51 |     Uint,
Dec 04 14:20:06.579 INFO [stderr]    |     ^^^^
Dec 04 14:20:06.579 INFO [stderr] 
Dec 04 14:20:06.591 INFO [stderr] warning: variable `escape_HACK` should have a snake case name such as `escape_hack`
Dec 04 14:20:06.591 INFO [stderr]    --> src/parser.rs:424:21
Dec 04 14:20:06.591 INFO [stderr]     |
Dec 04 14:20:06.591 INFO [stderr] 424 |                 let escape_HACK = value.chars().filter(|&x| x == '\\').count() as i32;
Dec 04 14:20:06.591 INFO [stderr]     |                     ^^^^^^^^^^^
Dec 04 14:20:06.591 INFO [stderr]     |
Dec 04 14:20:06.591 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 04 14:20:06.591 INFO [stderr] 
Dec 04 14:20:06.715 INFO [stderr] warning: type alias is never used: `SpecialRegId`
Dec 04 14:20:06.715 INFO [stderr]  --> src/dlx/asm.rs:7:1
Dec 04 14:20:06.715 INFO [stderr]   |
Dec 04 14:20:06.715 INFO [stderr] 7 | pub type SpecialRegId = usize;
Dec 04 14:20:06.715 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:06.715 INFO [stderr]   |
Dec 04 14:20:06.715 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 14:20:06.715 INFO [stderr] 
Dec 04 14:20:06.715 INFO [stderr] warning: type alias is never used: `TrapId`
Dec 04 14:20:06.715 INFO [stderr]  --> src/dlx/asm.rs:8:1
Dec 04 14:20:06.715 INFO [stderr]   |
Dec 04 14:20:06.715 INFO [stderr] 8 | pub type TrapId = usize;
Dec 04 14:20:06.715 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:06.715 INFO [stderr] 
Dec 04 14:20:06.715 INFO [stderr] warning: variant is never constructed: `Unknown`
Dec 04 14:20:06.715 INFO [stderr]   --> src/dlx/asm.rs:13:5
Dec 04 14:20:06.715 INFO [stderr]    |
Dec 04 14:20:06.715 INFO [stderr] 13 |     Unknown(LabelId),
Dec 04 14:20:06.715 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 14:20:06.715 INFO [stderr] 
Dec 04 14:20:06.715 INFO [stderr] warning: constant item is never used: `HEAP_POINTER`
Dec 04 14:20:06.715 INFO [stderr]   --> src/dlx/codegen.rs:30:1
Dec 04 14:20:06.715 INFO [stderr]    |
Dec 04 14:20:06.715 INFO [stderr] 30 | const HEAP_POINTER: RegId = 15;
Dec 04 14:20:06.715 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:06.715 INFO [stderr] 
Dec 04 14:20:06.715 INFO [stderr] warning: variant is never constructed: `Uint`
Dec 04 14:20:06.715 INFO [stderr]   --> src/lexer.rs:51:5
Dec 04 14:20:06.715 INFO [stderr]    |
Dec 04 14:20:06.715 INFO [stderr] 51 |     Uint,
Dec 04 14:20:06.716 INFO [stderr]    |     ^^^^
Dec 04 14:20:06.716 INFO [stderr] 
Dec 04 14:20:06.718 INFO [stderr] warning: variable `escape_HACK` should have a snake case name such as `escape_hack`
Dec 04 14:20:06.718 INFO [stderr]    --> src/parser.rs:424:21
Dec 04 14:20:06.719 INFO [stderr]     |
Dec 04 14:20:06.719 INFO [stderr] 424 |                 let escape_HACK = value.chars().filter(|&x| x == '\\').count() as i32;
Dec 04 14:20:06.719 INFO [stderr]     |                     ^^^^^^^^^^^
Dec 04 14:20:06.719 INFO [stderr]     |
Dec 04 14:20:06.719 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 04 14:20:06.719 INFO [stderr] 
Dec 04 14:20:06.791 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
Dec 04 14:20:06.794 INFO [stderr] su: No module specific data is present
Dec 04 14:20:07.665 INFO running `"docker" "inspect" "a80c71d2be5239e2469547f9a4ddcffd5d0f65ebf0e8164cc4e8a866abd6206d"`
Dec 04 14:20:07.906 INFO running `"docker" "rm" "-f" "a80c71d2be5239e2469547f9a4ddcffd5d0f65ebf0e8164cc4e8a866abd6206d"`
Dec 04 14:20:08.311 INFO [stdout] a80c71d2be5239e2469547f9a4ddcffd5d0f65ebf0e8164cc4e8a866abd6206d