Dec 05 06:10:35.244 INFO checking stacktools-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:10:35.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 05 06:10:35.839 INFO [stdout] f99ed4ac7d06c180f2ca9b3290a465447c46ee21f4721617eb3770b6de9d8bac
Dec 05 06:10:35.847 INFO running `"docker" "start" "-a" "f99ed4ac7d06c180f2ca9b3290a465447c46ee21f4721617eb3770b6de9d8bac"`
Dec 05 06:10:37.657 INFO [stderr] usermod: no changes
Dec 05 06:10:37.703 INFO [stderr]     Checking stacktools v0.1.0 (/source)
Dec 05 06:10:38.319 INFO [stderr] warning: method is never used: `len`
Dec 05 06:10:38.319 INFO [stderr]   --> src/lib.rs:25:5
Dec 05 06:10:38.319 INFO [stderr]    |
Dec 05 06:10:38.319 INFO [stderr] 25 |     fn len(&self) -> usize {
Dec 05 06:10:38.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.319 INFO [stderr]    |
Dec 05 06:10:38.319 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 06:10:38.319 INFO [stderr] 
Dec 05 06:10:38.319 INFO [stderr] warning: method is never used: `push`
Dec 05 06:10:38.319 INFO [stderr]   --> src/lib.rs:29:5
Dec 05 06:10:38.319 INFO [stderr]    |
Dec 05 06:10:38.319 INFO [stderr] 29 |     fn push(&mut self, v: T) {
Dec 05 06:10:38.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.319 INFO [stderr] 
Dec 05 06:10:38.319 INFO [stderr] warning: method is never used: `iter`
Dec 05 06:10:38.319 INFO [stderr]   --> src/lib.rs:33:5
Dec 05 06:10:38.319 INFO [stderr]    |
Dec 05 06:10:38.319 INFO [stderr] 33 |     fn iter(&self) -> vec_deque::Iter<T> {
Dec 05 06:10:38.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.319 INFO [stderr] 
Dec 05 06:10:38.319 INFO [stderr] warning: method is never used: `len`
Dec 05 06:10:38.319 INFO [stderr]   --> src/lib.rs:45:5
Dec 05 06:10:38.319 INFO [stderr]    |
Dec 05 06:10:38.319 INFO [stderr] 45 |     fn len(&self) -> usize {
Dec 05 06:10:38.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.319 INFO [stderr] 
Dec 05 06:10:38.319 INFO [stderr] warning: method is never used: `push`
Dec 05 06:10:38.319 INFO [stderr]   --> src/lib.rs:49:5
Dec 05 06:10:38.319 INFO [stderr]    |
Dec 05 06:10:38.319 INFO [stderr] 49 |     fn push(&mut self, v: T) {
Dec 05 06:10:38.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.319 INFO [stderr] 
Dec 05 06:10:38.319 INFO [stderr] warning: method is never used: `iter`
Dec 05 06:10:38.319 INFO [stderr]   --> src/lib.rs:53:5
Dec 05 06:10:38.319 INFO [stderr]    |
Dec 05 06:10:38.319 INFO [stderr] 53 |     fn iter(&self) -> vec_deque::Iter<T> {
Dec 05 06:10:38.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.319 INFO [stderr] 
Dec 05 06:10:38.319 INFO [stderr] warning: method is never used: `len`
Dec 05 06:10:38.319 INFO [stderr]   --> src/lib.rs:86:5
Dec 05 06:10:38.319 INFO [stderr]    |
Dec 05 06:10:38.319 INFO [stderr] 86 |     fn len(&self) -> usize {
Dec 05 06:10:38.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.319 INFO [stderr] 
Dec 05 06:10:38.319 INFO [stderr] warning: method is never used: `push`
Dec 05 06:10:38.319 INFO [stderr]   --> src/lib.rs:90:5
Dec 05 06:10:38.320 INFO [stderr]    |
Dec 05 06:10:38.320 INFO [stderr] 90 |     fn push(&mut self, v: T) {
Dec 05 06:10:38.320 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.320 INFO [stderr] 
Dec 05 06:10:38.320 INFO [stderr] warning: method is never used: `iter`
Dec 05 06:10:38.320 INFO [stderr]   --> src/lib.rs:94:5
Dec 05 06:10:38.320 INFO [stderr]    |
Dec 05 06:10:38.320 INFO [stderr] 94 |     fn iter(&self) -> binary_heap::Iter<T> {
Dec 05 06:10:38.320 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:10:38.320 INFO [stderr] 
Dec 05 06:10:38.823 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 05 06:10:38.825 INFO [stderr] su: No module specific data is present
Dec 05 06:10:39.737 INFO running `"docker" "inspect" "f99ed4ac7d06c180f2ca9b3290a465447c46ee21f4721617eb3770b6de9d8bac"`
Dec 05 06:10:40.021 INFO running `"docker" "rm" "-f" "f99ed4ac7d06c180f2ca9b3290a465447c46ee21f4721617eb3770b6de9d8bac"`
Dec 05 06:10:40.414 INFO [stdout] f99ed4ac7d06c180f2ca9b3290a465447c46ee21f4721617eb3770b6de9d8bac