Nov 30 14:58:43.821 INFO checking stacktools-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 14:58:43.821 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 14:58:44.271 INFO [stdout] 095a20cd210a9989b2ef9cd192d771f2c807532c01af48397712485820b01548
Nov 30 14:58:44.273 INFO running `"docker" "start" "-a" "095a20cd210a9989b2ef9cd192d771f2c807532c01af48397712485820b01548"`
Nov 30 14:58:46.511 INFO [stderr] usermod: no changes
Nov 30 14:58:46.584 INFO [stderr]     Checking stacktools v0.1.0 (/source)
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `len`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:25:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 25 |     fn len(&self) -> usize {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `push`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:29:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 29 |     fn push(&mut self, v: T) {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `iter`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:33:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 33 |     fn iter(&self) -> vec_deque::Iter<T> {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `len`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:45:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 45 |     fn len(&self) -> usize {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `push`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:49:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 49 |     fn push(&mut self, v: T) {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `iter`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:53:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 53 |     fn iter(&self) -> vec_deque::Iter<T> {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `len`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:86:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 86 |     fn len(&self) -> usize {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `push`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:90:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 90 |     fn push(&mut self, v: T) {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.520 INFO [stderr] warning: method is never used: `iter`
Nov 30 14:58:47.520 INFO [stderr]   --> src/lib.rs:94:5
Nov 30 14:58:47.520 INFO [stderr]    |
Nov 30 14:58:47.520 INFO [stderr] 94 |     fn iter(&self) -> binary_heap::Iter<T> {
Nov 30 14:58:47.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:58:47.520 INFO [stderr] 
Nov 30 14:58:47.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Nov 30 14:58:47.752 INFO [stderr] su: No module specific data is present
Nov 30 14:58:48.533 INFO running `"docker" "inspect" "095a20cd210a9989b2ef9cd192d771f2c807532c01af48397712485820b01548"`
Nov 30 14:58:48.882 INFO running `"docker" "rm" "-f" "095a20cd210a9989b2ef9cd192d771f2c807532c01af48397712485820b01548"`
Nov 30 14:58:49.292 INFO [stdout] 095a20cd210a9989b2ef9cd192d771f2c807532c01af48397712485820b01548