Nov 27 18:34:57.670 INFO checking tkyk0317/rcc against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 18:34:57.670 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 27 18:34:58.098 INFO [stdout] 158bb6c21a895824d67c0e3df921a0255e6d40584d51dfa68a5d94a6cdc9dcac
Nov 27 18:34:58.109 INFO running `"docker" "start" "-a" "158bb6c21a895824d67c0e3df921a0255e6d40584d51dfa68a5d94a6cdc9dcac"`
Nov 27 18:34:59.732 INFO [stderr] usermod: no changes
Nov 27 18:34:59.793 INFO [stderr]     Checking rcc v0.1.0 (/source)
Nov 27 18:35:00.944 INFO [stderr] warning: field is never used: `func_table`
Nov 27 18:35:00.944 INFO [stderr]   --> src/asm.rs:19:5
Nov 27 18:35:00.944 INFO [stderr]    |
Nov 27 18:35:00.944 INFO [stderr] 19 |     func_table: &'a SymbolTable,
Nov 27 18:35:00.944 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:35:00.945 INFO [stderr]    |
Nov 27 18:35:00.945 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 18:35:00.945 INFO [stderr] 
Nov 27 18:35:00.945 INFO [stderr] warning: struct is never constructed: `StringData`
Nov 27 18:35:00.945 INFO [stderr]  --> src/string.rs:2:1
Nov 27 18:35:00.945 INFO [stderr]   |
Nov 27 18:35:00.945 INFO [stderr] 2 | pub struct StringData {
Nov 27 18:35:00.945 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:35:00.945 INFO [stderr] 
Nov 27 18:35:00.945 INFO [stderr] warning: method is never used: `new`
Nov 27 18:35:00.945 INFO [stderr]   --> src/string.rs:10:5
Nov 27 18:35:00.945 INFO [stderr]    |
Nov 27 18:35:00.945 INFO [stderr] 10 |     pub fn new() -> StringData {
Nov 27 18:35:00.945 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:35:00.945 INFO [stderr] 
Nov 27 18:35:00.945 INFO [stderr] warning: method is never used: `push`
Nov 27 18:35:00.945 INFO [stderr]   --> src/string.rs:20:5
Nov 27 18:35:00.945 INFO [stderr]    |
Nov 27 18:35:00.945 INFO [stderr] 20 |     pub fn push(&mut self, c: char) {
Nov 27 18:35:00.945 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:35:00.945 INFO [stderr] 
Nov 27 18:35:02.856 INFO [stderr] warning: field is never used: `func_table`
Nov 27 18:35:02.856 INFO [stderr]   --> src/asm.rs:19:5
Nov 27 18:35:02.856 INFO [stderr]    |
Nov 27 18:35:02.856 INFO [stderr] 19 |     func_table: &'a SymbolTable,
Nov 27 18:35:02.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:35:02.856 INFO [stderr]    |
Nov 27 18:35:02.856 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 18:35:02.856 INFO [stderr] 
Nov 27 18:35:02.956 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
Nov 27 18:35:02.959 INFO [stderr] su: No module specific data is present
Nov 27 18:35:04.184 INFO running `"docker" "inspect" "158bb6c21a895824d67c0e3df921a0255e6d40584d51dfa68a5d94a6cdc9dcac"`
Nov 27 18:35:04.510 INFO running `"docker" "rm" "-f" "158bb6c21a895824d67c0e3df921a0255e6d40584d51dfa68a5d94a6cdc9dcac"`
Nov 27 18:35:04.772 INFO [stdout] 158bb6c21a895824d67c0e3df921a0255e6d40584d51dfa68a5d94a6cdc9dcac