Dec 11 17:25:37.383 INFO checking hindenbug/rtstc against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 17:25:37.383 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 17:25:37.600 INFO [stdout] e37545fd94fbbce4493bea9ec2a2f303bf7040ec3015d3e00e508184653a753f
Dec 11 17:25:37.601 INFO running `"docker" "start" "-a" "e37545fd94fbbce4493bea9ec2a2f303bf7040ec3015d3e00e508184653a753f"`
Dec 11 17:25:37.984 INFO [stderr] usermod: no changes
Dec 11 17:25:38.011 INFO [stderr]     Checking rtstc v0.1.0 (/source)
Dec 11 17:25:38.376 INFO [stderr] warning: unused variable: `ast`
Dec 11 17:25:38.380 INFO [stderr]  --> src/traverser.rs:8:17
Dec 11 17:25:38.380 INFO [stderr]   |
Dec 11 17:25:38.380 INFO [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
Dec 11 17:25:38.380 INFO [stderr]   |                 ^^^ help: consider using `_ast` instead
Dec 11 17:25:38.380 INFO [stderr]   |
Dec 11 17:25:38.380 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 17:25:38.380 INFO [stderr] 
Dec 11 17:25:38.391 INFO [stderr] warning: unused variable: `ast`
Dec 11 17:25:38.391 INFO [stderr]  --> src/traverser.rs:8:17
Dec 11 17:25:38.391 INFO [stderr]   |
Dec 11 17:25:38.391 INFO [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
Dec 11 17:25:38.391 INFO [stderr]   |                 ^^^ help: consider using `_ast` instead
Dec 11 17:25:38.391 INFO [stderr]   |
Dec 11 17:25:38.391 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 17:25:38.391 INFO [stderr] 
Dec 11 17:25:38.392 INFO [stderr] warning: struct is never constructed: `Visitor`
Dec 11 17:25:38.392 INFO [stderr]  --> src/traverser.rs:1:1
Dec 11 17:25:38.392 INFO [stderr]   |
Dec 11 17:25:38.392 INFO [stderr] 1 | struct Visitor {
Dec 11 17:25:38.392 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 11 17:25:38.392 INFO [stderr]   |
Dec 11 17:25:38.392 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 17:25:38.392 INFO [stderr] 
Dec 11 17:25:38.392 INFO [stderr] warning: function is never used: `traverse`
Dec 11 17:25:38.392 INFO [stderr]  --> src/traverser.rs:8:1
Dec 11 17:25:38.392 INFO [stderr]   |
Dec 11 17:25:38.393 INFO [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
Dec 11 17:25:38.393 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:25:38.393 INFO [stderr] 
Dec 11 17:25:38.408 INFO [stderr] warning: struct is never constructed: `Visitor`
Dec 11 17:25:38.408 INFO [stderr]  --> src/traverser.rs:1:1
Dec 11 17:25:38.408 INFO [stderr]   |
Dec 11 17:25:38.408 INFO [stderr] 1 | struct Visitor {
Dec 11 17:25:38.408 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 11 17:25:38.408 INFO [stderr]   |
Dec 11 17:25:38.408 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 17:25:38.408 INFO [stderr] 
Dec 11 17:25:38.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 11 17:25:38.420 INFO [stderr] su: No module specific data is present
Dec 11 17:25:38.732 INFO running `"docker" "inspect" "e37545fd94fbbce4493bea9ec2a2f303bf7040ec3015d3e00e508184653a753f"`
Dec 11 17:25:38.808 INFO running `"docker" "rm" "-f" "e37545fd94fbbce4493bea9ec2a2f303bf7040ec3015d3e00e508184653a753f"`
Dec 11 17:25:38.913 INFO [stdout] e37545fd94fbbce4493bea9ec2a2f303bf7040ec3015d3e00e508184653a753f