Dec 04 17:40:00.803 INFO checking hindenbug/rtstc against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:40:00.803 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 17:40:00.988 INFO [stdout] 4db2cd33ba3c08992f6a734c676d6caf8248699752afff49be4aeed29601abc1
Dec 04 17:40:00.993 INFO running `"docker" "start" "-a" "4db2cd33ba3c08992f6a734c676d6caf8248699752afff49be4aeed29601abc1"`
Dec 04 17:40:01.904 INFO [stderr] usermod: no changes
Dec 04 17:40:01.970 INFO [stderr]     Checking rtstc v0.1.0 (/source)
Dec 04 17:40:02.475 INFO [stderr] warning: unused variable: `ast`
Dec 04 17:40:02.475 INFO [stderr]  --> src/traverser.rs:8:17
Dec 04 17:40:02.475 INFO [stderr]   |
Dec 04 17:40:02.475 INFO [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
Dec 04 17:40:02.475 INFO [stderr]   |                 ^^^ help: consider using `_ast` instead
Dec 04 17:40:02.475 INFO [stderr]   |
Dec 04 17:40:02.475 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 17:40:02.475 INFO [stderr] 
Dec 04 17:40:02.479 INFO [stderr] warning: struct is never constructed: `Visitor`
Dec 04 17:40:02.479 INFO [stderr]  --> src/traverser.rs:1:1
Dec 04 17:40:02.479 INFO [stderr]   |
Dec 04 17:40:02.479 INFO [stderr] 1 | struct Visitor {
Dec 04 17:40:02.479 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 04 17:40:02.479 INFO [stderr]   |
Dec 04 17:40:02.479 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 17:40:02.479 INFO [stderr] 
Dec 04 17:40:02.479 INFO [stderr] warning: function is never used: `traverse`
Dec 04 17:40:02.479 INFO [stderr]  --> src/traverser.rs:8:1
Dec 04 17:40:02.479 INFO [stderr]   |
Dec 04 17:40:02.479 INFO [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
Dec 04 17:40:02.479 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:40:02.479 INFO [stderr] 
Dec 04 17:40:02.655 INFO [stderr] warning: unused variable: `ast`
Dec 04 17:40:02.655 INFO [stderr]  --> src/traverser.rs:8:17
Dec 04 17:40:02.655 INFO [stderr]   |
Dec 04 17:40:02.655 INFO [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
Dec 04 17:40:02.655 INFO [stderr]   |                 ^^^ help: consider using `_ast` instead
Dec 04 17:40:02.655 INFO [stderr]   |
Dec 04 17:40:02.655 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 17:40:02.655 INFO [stderr] 
Dec 04 17:40:02.679 INFO [stderr] warning: struct is never constructed: `Visitor`
Dec 04 17:40:02.679 INFO [stderr]  --> src/traverser.rs:1:1
Dec 04 17:40:02.679 INFO [stderr]   |
Dec 04 17:40:02.679 INFO [stderr] 1 | struct Visitor {
Dec 04 17:40:02.679 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 04 17:40:02.679 INFO [stderr]   |
Dec 04 17:40:02.679 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 17:40:02.679 INFO [stderr] 
Dec 04 17:40:02.710 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 04 17:40:02.715 INFO [stderr] su: No module specific data is present
Dec 04 17:40:03.332 INFO running `"docker" "inspect" "4db2cd33ba3c08992f6a734c676d6caf8248699752afff49be4aeed29601abc1"`
Dec 04 17:40:03.536 INFO running `"docker" "rm" "-f" "4db2cd33ba3c08992f6a734c676d6caf8248699752afff49be4aeed29601abc1"`
Dec 04 17:40:03.653 INFO [stdout] 4db2cd33ba3c08992f6a734c676d6caf8248699752afff49be4aeed29601abc1