Dec 05 16:23:18.852 INFO checking balloon-0.0.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:23:18.852 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 16:23:19.215 INFO [stdout] cf373cdc29534acc68adc0e2d806bffd723f8b475a49bb1bd52bb852f984b7ee
Dec 05 16:23:19.223 INFO running `"docker" "start" "-a" "cf373cdc29534acc68adc0e2d806bffd723f8b475a49bb1bd52bb852f984b7ee"`
Dec 05 16:23:20.324 INFO [stderr] usermod: no changes
Dec 05 16:23:20.379 INFO [stderr]     Checking subtle v0.7.1
Dec 05 16:23:20.952 INFO [stderr]     Checking balloon v0.0.1 (/source)
Dec 05 16:23:22.399 INFO [stderr] warning: method is never used: `get`
Dec 05 16:23:22.399 INFO [stderr]   --> src/buffer.rs:51:5
Dec 05 16:23:22.399 INFO [stderr]    |
Dec 05 16:23:22.399 INFO [stderr] 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Dec 05 16:23:22.399 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.399 INFO [stderr]    |
Dec 05 16:23:22.399 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:23:22.399 INFO [stderr] 
Dec 05 16:23:22.399 INFO [stderr] warning: method is never used: `get_mut`
Dec 05 16:23:22.399 INFO [stderr]   --> src/buffer.rs:54:5
Dec 05 16:23:22.399 INFO [stderr]    |
Dec 05 16:23:22.399 INFO [stderr] 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Dec 05 16:23:22.399 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.399 INFO [stderr] 
Dec 05 16:23:22.399 INFO [stderr] warning: method is never used: `clear`
Dec 05 16:23:22.399 INFO [stderr]   --> src/buffer.rs:57:5
Dec 05 16:23:22.399 INFO [stderr]    |
Dec 05 16:23:22.399 INFO [stderr] 57 |     pub fn clear(&mut self) { self.back.clear() }
Dec 05 16:23:22.399 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.399 INFO [stderr] 
Dec 05 16:23:22.399 INFO [stderr] warning: method is never used: `is_empty`
Dec 05 16:23:22.399 INFO [stderr]   --> src/buffer.rs:58:5
Dec 05 16:23:22.399 INFO [stderr]    |
Dec 05 16:23:22.399 INFO [stderr] 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Dec 05 16:23:22.399 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.399 INFO [stderr] 
Dec 05 16:23:22.399 INFO [stderr] warning: method is never used: `len`
Dec 05 16:23:22.399 INFO [stderr]   --> src/buffer.rs:59:5
Dec 05 16:23:22.399 INFO [stderr]    |
Dec 05 16:23:22.399 INFO [stderr] 59 |     pub fn len(&self) -> usize { self.back.len() }
Dec 05 16:23:22.399 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.399 INFO [stderr] 
Dec 05 16:23:22.615 INFO [stderr] warning: method is never used: `get`
Dec 05 16:23:22.615 INFO [stderr]   --> src/buffer.rs:51:5
Dec 05 16:23:22.615 INFO [stderr]    |
Dec 05 16:23:22.615 INFO [stderr] 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Dec 05 16:23:22.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.615 INFO [stderr]    |
Dec 05 16:23:22.615 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:23:22.615 INFO [stderr] 
Dec 05 16:23:22.615 INFO [stderr] warning: method is never used: `get_mut`
Dec 05 16:23:22.615 INFO [stderr]   --> src/buffer.rs:54:5
Dec 05 16:23:22.615 INFO [stderr]    |
Dec 05 16:23:22.615 INFO [stderr] 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Dec 05 16:23:22.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.615 INFO [stderr] 
Dec 05 16:23:22.615 INFO [stderr] warning: method is never used: `clear`
Dec 05 16:23:22.615 INFO [stderr]   --> src/buffer.rs:57:5
Dec 05 16:23:22.615 INFO [stderr]    |
Dec 05 16:23:22.615 INFO [stderr] 57 |     pub fn clear(&mut self) { self.back.clear() }
Dec 05 16:23:22.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.615 INFO [stderr] 
Dec 05 16:23:22.615 INFO [stderr] warning: method is never used: `is_empty`
Dec 05 16:23:22.615 INFO [stderr]   --> src/buffer.rs:58:5
Dec 05 16:23:22.615 INFO [stderr]    |
Dec 05 16:23:22.615 INFO [stderr] 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Dec 05 16:23:22.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.615 INFO [stderr] 
Dec 05 16:23:22.615 INFO [stderr] warning: method is never used: `len`
Dec 05 16:23:22.615 INFO [stderr]   --> src/buffer.rs:59:5
Dec 05 16:23:22.615 INFO [stderr]    |
Dec 05 16:23:22.615 INFO [stderr] 59 |     pub fn len(&self) -> usize { self.back.len() }
Dec 05 16:23:22.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:23:22.615 INFO [stderr] 
Dec 05 16:23:22.655 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
Dec 05 16:23:22.655 INFO [stderr] su: No module specific data is present
Dec 05 16:23:23.273 INFO running `"docker" "inspect" "cf373cdc29534acc68adc0e2d806bffd723f8b475a49bb1bd52bb852f984b7ee"`
Dec 05 16:23:23.572 INFO running `"docker" "rm" "-f" "cf373cdc29534acc68adc0e2d806bffd723f8b475a49bb1bd52bb852f984b7ee"`
Dec 05 16:23:23.994 INFO [stdout] cf373cdc29534acc68adc0e2d806bffd723f8b475a49bb1bd52bb852f984b7ee