Sep 10 09:15:55.266 INFO checking stacktools-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 09:15:55.266 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 09:15:55.266 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:15:55.416 INFO blam! f1743efcd60e0fb8049efbb0da1193b7c871cbd51ebdf012c2953ad92a34b4bd
Sep 10 09:15:55.418 INFO running `"docker" "start" "-a" "f1743efcd60e0fb8049efbb0da1193b7c871cbd51ebdf012c2953ad92a34b4bd"`
Sep 10 09:15:56.025 INFO kablam! usermod: no changes
Sep 10 09:15:56.044 INFO kablam!     Checking stacktools v0.1.0 (file:///source)
Sep 10 09:15:56.232 INFO kablam! warning: method is never used: `len`
Sep 10 09:15:56.232 INFO kablam!   --> src/lib.rs:25:5
Sep 10 09:15:56.232 INFO kablam!    |
Sep 10 09:15:56.232 INFO kablam! 25 |     fn len(&self) -> usize {
Sep 10 09:15:56.232 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.232 INFO kablam!    |
Sep 10 09:15:56.232 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 09:15:56.232 INFO kablam! 
Sep 10 09:15:56.232 INFO kablam! warning: method is never used: `push`
Sep 10 09:15:56.232 INFO kablam!   --> src/lib.rs:29:5
Sep 10 09:15:56.232 INFO kablam!    |
Sep 10 09:15:56.232 INFO kablam! 29 |     fn push(&mut self, v: T) {
Sep 10 09:15:56.232 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.233 INFO kablam! 
Sep 10 09:15:56.233 INFO kablam! warning: method is never used: `iter`
Sep 10 09:15:56.233 INFO kablam!   --> src/lib.rs:33:5
Sep 10 09:15:56.233 INFO kablam!    |
Sep 10 09:15:56.233 INFO kablam! 33 |     fn iter(&self) -> vec_deque::Iter<T> {
Sep 10 09:15:56.233 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.233 INFO kablam! 
Sep 10 09:15:56.233 INFO kablam! warning: method is never used: `len`
Sep 10 09:15:56.233 INFO kablam!   --> src/lib.rs:45:5
Sep 10 09:15:56.233 INFO kablam!    |
Sep 10 09:15:56.233 INFO kablam! 45 |     fn len(&self) -> usize {
Sep 10 09:15:56.233 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.233 INFO kablam! 
Sep 10 09:15:56.233 INFO kablam! warning: method is never used: `push`
Sep 10 09:15:56.233 INFO kablam!   --> src/lib.rs:49:5
Sep 10 09:15:56.233 INFO kablam!    |
Sep 10 09:15:56.233 INFO kablam! 49 |     fn push(&mut self, v: T) {
Sep 10 09:15:56.233 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.233 INFO kablam! 
Sep 10 09:15:56.233 INFO kablam! warning: method is never used: `iter`
Sep 10 09:15:56.233 INFO kablam!   --> src/lib.rs:53:5
Sep 10 09:15:56.233 INFO kablam!    |
Sep 10 09:15:56.233 INFO kablam! 53 |     fn iter(&self) -> vec_deque::Iter<T> {
Sep 10 09:15:56.233 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.233 INFO kablam! 
Sep 10 09:15:56.233 INFO kablam! warning: method is never used: `len`
Sep 10 09:15:56.233 INFO kablam!   --> src/lib.rs:86:5
Sep 10 09:15:56.233 INFO kablam!    |
Sep 10 09:15:56.233 INFO kablam! 86 |     fn len(&self) -> usize {
Sep 10 09:15:56.233 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.233 INFO kablam! 
Sep 10 09:15:56.233 INFO kablam! warning: method is never used: `push`
Sep 10 09:15:56.233 INFO kablam!   --> src/lib.rs:90:5
Sep 10 09:15:56.233 INFO kablam!    |
Sep 10 09:15:56.233 INFO kablam! 90 |     fn push(&mut self, v: T) {
Sep 10 09:15:56.233 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.233 INFO kablam! 
Sep 10 09:15:56.236 INFO kablam! warning: method is never used: `iter`
Sep 10 09:15:56.236 INFO kablam!   --> src/lib.rs:94:5
Sep 10 09:15:56.236 INFO kablam!    |
Sep 10 09:15:56.236 INFO kablam! 94 |     fn iter(&self) -> binary_heap::Iter<T> {
Sep 10 09:15:56.236 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:15:56.236 INFO kablam! 
Sep 10 09:15:56.412 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Sep 10 09:15:56.413 INFO kablam! su: No module specific data is present
Sep 10 09:15:57.104 INFO running `"docker" "rm" "-f" "f1743efcd60e0fb8049efbb0da1193b7c871cbd51ebdf012c2953ad92a34b4bd"`
Sep 10 09:15:57.230 INFO blam! f1743efcd60e0fb8049efbb0da1193b7c871cbd51ebdf012c2953ad92a34b4bd