Nov 02 01:39:36.283 INFO checking balloon-0.0.1 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 02 01:39:36.284 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 02 01:39:36.741 INFO blam! 65f905a073d583aa7f7a3da3ffb9daa50dd77665ec27372ac3f5018c6327bd89
Nov 02 01:39:36.743 INFO running `"docker" "start" "-a" "65f905a073d583aa7f7a3da3ffb9daa50dd77665ec27372ac3f5018c6327bd89"`
Nov 02 01:39:38.000 INFO kablam! usermod: no changes
Nov 02 01:39:38.084 INFO kablam!     Checking subtle v0.7.1
Nov 02 01:39:38.084 INFO kablam!     Checking num-bigint v0.2.0
Nov 02 01:39:41.012 INFO kablam!     Checking balloon v0.0.1 (/source)
Nov 02 01:39:42.392 INFO kablam! warning: method is never used: `get`
Nov 02 01:39:42.392 INFO kablam!   --> src/buffer.rs:51:5
Nov 02 01:39:42.392 INFO kablam!    |
Nov 02 01:39:42.392 INFO kablam! 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Nov 02 01:39:42.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.392 INFO kablam!    |
Nov 02 01:39:42.392 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 01:39:42.392 INFO kablam! 
Nov 02 01:39:42.392 INFO kablam! warning: method is never used: `get_mut`
Nov 02 01:39:42.392 INFO kablam!   --> src/buffer.rs:54:5
Nov 02 01:39:42.392 INFO kablam!    |
Nov 02 01:39:42.392 INFO kablam! 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Nov 02 01:39:42.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.392 INFO kablam! 
Nov 02 01:39:42.392 INFO kablam! warning: method is never used: `clear`
Nov 02 01:39:42.392 INFO kablam!   --> src/buffer.rs:57:5
Nov 02 01:39:42.392 INFO kablam!    |
Nov 02 01:39:42.392 INFO kablam! 57 |     pub fn clear(&mut self) { self.back.clear() }
Nov 02 01:39:42.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.392 INFO kablam! 
Nov 02 01:39:42.392 INFO kablam! warning: method is never used: `is_empty`
Nov 02 01:39:42.392 INFO kablam!   --> src/buffer.rs:58:5
Nov 02 01:39:42.392 INFO kablam!    |
Nov 02 01:39:42.392 INFO kablam! 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Nov 02 01:39:42.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.392 INFO kablam! 
Nov 02 01:39:42.392 INFO kablam! warning: method is never used: `len`
Nov 02 01:39:42.392 INFO kablam!   --> src/buffer.rs:59:5
Nov 02 01:39:42.392 INFO kablam!    |
Nov 02 01:39:42.392 INFO kablam! 59 |     pub fn len(&self) -> usize { self.back.len() }
Nov 02 01:39:42.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.392 INFO kablam! 
Nov 02 01:39:42.473 INFO kablam! warning: method is never used: `get`
Nov 02 01:39:42.473 INFO kablam!   --> src/buffer.rs:51:5
Nov 02 01:39:42.473 INFO kablam!    |
Nov 02 01:39:42.473 INFO kablam! 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Nov 02 01:39:42.473 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.473 INFO kablam!    |
Nov 02 01:39:42.473 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 01:39:42.473 INFO kablam! 
Nov 02 01:39:42.473 INFO kablam! warning: method is never used: `get_mut`
Nov 02 01:39:42.473 INFO kablam!   --> src/buffer.rs:54:5
Nov 02 01:39:42.473 INFO kablam!    |
Nov 02 01:39:42.473 INFO kablam! 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Nov 02 01:39:42.473 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.473 INFO kablam! 
Nov 02 01:39:42.473 INFO kablam! warning: method is never used: `clear`
Nov 02 01:39:42.473 INFO kablam!   --> src/buffer.rs:57:5
Nov 02 01:39:42.473 INFO kablam!    |
Nov 02 01:39:42.473 INFO kablam! 57 |     pub fn clear(&mut self) { self.back.clear() }
Nov 02 01:39:42.473 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.473 INFO kablam! 
Nov 02 01:39:42.476 INFO kablam! warning: method is never used: `is_empty`
Nov 02 01:39:42.476 INFO kablam!   --> src/buffer.rs:58:5
Nov 02 01:39:42.476 INFO kablam!    |
Nov 02 01:39:42.476 INFO kablam! 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Nov 02 01:39:42.476 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.476 INFO kablam! 
Nov 02 01:39:42.476 INFO kablam! warning: method is never used: `len`
Nov 02 01:39:42.477 INFO kablam!   --> src/buffer.rs:59:5
Nov 02 01:39:42.479 INFO kablam!    |
Nov 02 01:39:42.479 INFO kablam! 59 |     pub fn len(&self) -> usize { self.back.len() }
Nov 02 01:39:42.479 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:39:42.479 INFO kablam! 
Nov 02 01:39:42.490 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
Nov 02 01:39:42.492 INFO kablam! su: No module specific data is present
Nov 02 01:39:42.817 INFO running `"docker" "rm" "-f" "65f905a073d583aa7f7a3da3ffb9daa50dd77665ec27372ac3f5018c6327bd89"`
Nov 02 01:39:42.947 INFO blam! 65f905a073d583aa7f7a3da3ffb9daa50dd77665ec27372ac3f5018c6327bd89