Oct 13 17:50:04.113 INFO checking balloon-0.0.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 17:50:04.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 17:50:04.464 INFO blam! 1076c16ad836769b9fd2dafeac5532960a25ab85ba71ab08dc80164e8b8c9977
Oct 13 17:50:04.467 INFO running `"docker" "start" "-a" "1076c16ad836769b9fd2dafeac5532960a25ab85ba71ab08dc80164e8b8c9977"`
Oct 13 17:50:05.454 INFO kablam! usermod: no changes
Oct 13 17:50:05.524 INFO kablam!     Checking subtle v0.7.1
Oct 13 17:50:06.153 INFO kablam!     Checking balloon v0.0.1 (/source)
Oct 13 17:50:07.625 INFO kablam! warning: method is never used: `get`
Oct 13 17:50:07.625 INFO kablam!   --> src/buffer.rs:51:5
Oct 13 17:50:07.625 INFO kablam!    |
Oct 13 17:50:07.625 INFO kablam! 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Oct 13 17:50:07.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.625 INFO kablam!    |
Oct 13 17:50:07.625 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 17:50:07.625 INFO kablam! 
Oct 13 17:50:07.625 INFO kablam! warning: method is never used: `get_mut`
Oct 13 17:50:07.625 INFO kablam!   --> src/buffer.rs:54:5
Oct 13 17:50:07.625 INFO kablam!    |
Oct 13 17:50:07.625 INFO kablam! 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Oct 13 17:50:07.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.625 INFO kablam! 
Oct 13 17:50:07.625 INFO kablam! warning: method is never used: `clear`
Oct 13 17:50:07.625 INFO kablam!   --> src/buffer.rs:57:5
Oct 13 17:50:07.625 INFO kablam!    |
Oct 13 17:50:07.625 INFO kablam! 57 |     pub fn clear(&mut self) { self.back.clear() }
Oct 13 17:50:07.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.625 INFO kablam! 
Oct 13 17:50:07.625 INFO kablam! warning: method is never used: `is_empty`
Oct 13 17:50:07.625 INFO kablam!   --> src/buffer.rs:58:5
Oct 13 17:50:07.625 INFO kablam!    |
Oct 13 17:50:07.625 INFO kablam! 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Oct 13 17:50:07.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.625 INFO kablam! 
Oct 13 17:50:07.625 INFO kablam! warning: method is never used: `len`
Oct 13 17:50:07.625 INFO kablam!   --> src/buffer.rs:59:5
Oct 13 17:50:07.625 INFO kablam!    |
Oct 13 17:50:07.625 INFO kablam! 59 |     pub fn len(&self) -> usize { self.back.len() }
Oct 13 17:50:07.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.625 INFO kablam! 
Oct 13 17:50:07.688 INFO kablam! warning: method is never used: `get`
Oct 13 17:50:07.688 INFO kablam!   --> src/buffer.rs:51:5
Oct 13 17:50:07.688 INFO kablam!    |
Oct 13 17:50:07.688 INFO kablam! 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Oct 13 17:50:07.688 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.688 INFO kablam!    |
Oct 13 17:50:07.688 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 17:50:07.688 INFO kablam! 
Oct 13 17:50:07.688 INFO kablam! warning: method is never used: `get_mut`
Oct 13 17:50:07.688 INFO kablam!   --> src/buffer.rs:54:5
Oct 13 17:50:07.688 INFO kablam!    |
Oct 13 17:50:07.688 INFO kablam! 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Oct 13 17:50:07.688 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.688 INFO kablam! 
Oct 13 17:50:07.688 INFO kablam! warning: method is never used: `clear`
Oct 13 17:50:07.688 INFO kablam!   --> src/buffer.rs:57:5
Oct 13 17:50:07.688 INFO kablam!    |
Oct 13 17:50:07.688 INFO kablam! 57 |     pub fn clear(&mut self) { self.back.clear() }
Oct 13 17:50:07.688 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.688 INFO kablam! 
Oct 13 17:50:07.688 INFO kablam! warning: method is never used: `is_empty`
Oct 13 17:50:07.689 INFO kablam!   --> src/buffer.rs:58:5
Oct 13 17:50:07.689 INFO kablam!    |
Oct 13 17:50:07.689 INFO kablam! 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Oct 13 17:50:07.689 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.689 INFO kablam! 
Oct 13 17:50:07.689 INFO kablam! warning: method is never used: `len`
Oct 13 17:50:07.689 INFO kablam!   --> src/buffer.rs:59:5
Oct 13 17:50:07.689 INFO kablam!    |
Oct 13 17:50:07.689 INFO kablam! 59 |     pub fn len(&self) -> usize { self.back.len() }
Oct 13 17:50:07.689 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 17:50:07.689 INFO kablam! 
Oct 13 17:50:07.736 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
Oct 13 17:50:07.737 INFO kablam! su: No module specific data is present
Oct 13 17:50:08.474 INFO running `"docker" "rm" "-f" "1076c16ad836769b9fd2dafeac5532960a25ab85ba71ab08dc80164e8b8c9977"`
Oct 13 17:50:08.768 INFO blam! 1076c16ad836769b9fd2dafeac5532960a25ab85ba71ab08dc80164e8b8c9977