Dec 04 08:28:40.877 INFO checking tkyk0317/rcc against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 08:28:40.877 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 08:28:41.352 INFO [stdout] 6a34b2bde4a491e35dff6b78e80a17896d097af825aa8942dc05959be331d86f
Dec 04 08:28:41.356 INFO running `"docker" "start" "-a" "6a34b2bde4a491e35dff6b78e80a17896d097af825aa8942dc05959be331d86f"`
Dec 04 08:28:42.963 INFO [stderr] usermod: no changes
Dec 04 08:28:43.047 INFO [stderr]     Checking rcc v0.1.0 (/source)
Dec 04 08:28:44.196 INFO [stderr] warning: field is never used: `func_table`
Dec 04 08:28:44.196 INFO [stderr]   --> src/asm.rs:22:5
Dec 04 08:28:44.196 INFO [stderr]    |
Dec 04 08:28:44.196 INFO [stderr] 22 |     func_table: &'a SymbolTable,
Dec 04 08:28:44.196 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:28:44.196 INFO [stderr]    |
Dec 04 08:28:44.196 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 08:28:44.196 INFO [stderr] 
Dec 04 08:28:44.199 INFO [stderr] warning: struct is never constructed: `StringData`
Dec 04 08:28:44.200 INFO [stderr]  --> src/string.rs:2:1
Dec 04 08:28:44.200 INFO [stderr]   |
Dec 04 08:28:44.200 INFO [stderr] 2 | pub struct StringData {
Dec 04 08:28:44.200 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:28:44.200 INFO [stderr] 
Dec 04 08:28:44.200 INFO [stderr] warning: method is never used: `new`
Dec 04 08:28:44.200 INFO [stderr]   --> src/string.rs:10:5
Dec 04 08:28:44.200 INFO [stderr]    |
Dec 04 08:28:44.200 INFO [stderr] 10 |     pub fn new() -> StringData {
Dec 04 08:28:44.200 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:28:44.200 INFO [stderr] 
Dec 04 08:28:44.200 INFO [stderr] warning: method is never used: `push`
Dec 04 08:28:44.200 INFO [stderr]   --> src/string.rs:20:5
Dec 04 08:28:44.200 INFO [stderr]    |
Dec 04 08:28:44.200 INFO [stderr] 20 |     pub fn push(&mut self, c: char) {
Dec 04 08:28:44.200 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:28:44.200 INFO [stderr] 
Dec 04 08:28:46.319 INFO [stderr] warning: field is never used: `func_table`
Dec 04 08:28:46.319 INFO [stderr]   --> src/asm.rs:22:5
Dec 04 08:28:46.319 INFO [stderr]    |
Dec 04 08:28:46.319 INFO [stderr] 22 |     func_table: &'a SymbolTable,
Dec 04 08:28:46.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:28:46.319 INFO [stderr]    |
Dec 04 08:28:46.319 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 08:28:46.319 INFO [stderr] 
Dec 04 08:28:46.418 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
Dec 04 08:28:46.421 INFO [stderr] su: No module specific data is present
Dec 04 08:28:47.301 INFO running `"docker" "inspect" "6a34b2bde4a491e35dff6b78e80a17896d097af825aa8942dc05959be331d86f"`
Dec 04 08:28:47.659 INFO running `"docker" "rm" "-f" "6a34b2bde4a491e35dff6b78e80a17896d097af825aa8942dc05959be331d86f"`
Dec 04 08:28:47.987 INFO [stdout] 6a34b2bde4a491e35dff6b78e80a17896d097af825aa8942dc05959be331d86f