Sep 10 09:41:30.456 INFO checking slab_allocator-0.3.3 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 09:41:30.456 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 09:41:30.456 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/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 09:41:30.746 INFO blam! 81f6a9c08488e604c68ae480d0a6aee6cf3157520177adfe118a6578b16e0b45
Sep 10 09:41:30.748 INFO running `"docker" "start" "-a" "81f6a9c08488e604c68ae480d0a6aee6cf3157520177adfe118a6578b16e0b45"`
Sep 10 09:41:31.614 INFO kablam! usermod: no changes
Sep 10 09:41:31.690 INFO kablam!     Checking linked_list_allocator v0.6.3
Sep 10 09:41:31.870 INFO kablam!     Checking slab_allocator v0.3.3 (file:///source)
Sep 10 09:41:32.002 INFO kablam! warning: method is never used: `used_blocks`
Sep 10 09:41:32.002 INFO kablam!   --> src/slab.rs:18:5
Sep 10 09:41:32.002 INFO kablam!    |
Sep 10 09:41:32.002 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 10 09:41:32.002 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.002 INFO kablam!    |
Sep 10 09:41:32.002 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 09:41:32.002 INFO kablam! 
Sep 10 09:41:32.002 INFO kablam! warning: method is never used: `len`
Sep 10 09:41:32.002 INFO kablam!   --> src/slab.rs:65:5
Sep 10 09:41:32.002 INFO kablam!    |
Sep 10 09:41:32.002 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 10 09:41:32.002 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.002 INFO kablam! 
Sep 10 09:41:32.002 INFO kablam! warning: method is never used: `is_empty`
Sep 10 09:41:32.002 INFO kablam!   --> src/slab.rs:83:5
Sep 10 09:41:32.002 INFO kablam!    |
Sep 10 09:41:32.002 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 10 09:41:32.002 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.002 INFO kablam! 
Sep 10 09:41:32.002 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 10 09:41:32.002 INFO kablam!  --> src/lib.rs:2:12
Sep 10 09:41:32.002 INFO kablam!   |
Sep 10 09:41:32.002 INFO kablam! 2 | #![feature(attr_literals)]
Sep 10 09:41:32.002 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 10 09:41:32.002 INFO kablam!   |
Sep 10 09:41:32.002 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 09:41:32.002 INFO kablam! 
Sep 10 09:41:32.002 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 09:41:32.002 INFO kablam!  --> src/lib.rs:4:12
Sep 10 09:41:32.002 INFO kablam!   |
Sep 10 09:41:32.002 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 10 09:41:32.002 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 10 09:41:32.002 INFO kablam! 
Sep 10 09:41:32.252 INFO kablam! warning: method is never used: `used_blocks`
Sep 10 09:41:32.252 INFO kablam!   --> src/slab.rs:18:5
Sep 10 09:41:32.252 INFO kablam!    |
Sep 10 09:41:32.252 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 10 09:41:32.252 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.252 INFO kablam!    |
Sep 10 09:41:32.252 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 09:41:32.252 INFO kablam! 
Sep 10 09:41:32.252 INFO kablam! warning: method is never used: `len`
Sep 10 09:41:32.252 INFO kablam!   --> src/slab.rs:65:5
Sep 10 09:41:32.252 INFO kablam!    |
Sep 10 09:41:32.252 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 10 09:41:32.252 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.252 INFO kablam! 
Sep 10 09:41:32.252 INFO kablam! warning: method is never used: `is_empty`
Sep 10 09:41:32.252 INFO kablam!   --> src/slab.rs:83:5
Sep 10 09:41:32.252 INFO kablam!    |
Sep 10 09:41:32.252 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 10 09:41:32.252 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.252 INFO kablam! 
Sep 10 09:41:32.252 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 10 09:41:32.252 INFO kablam!  --> src/lib.rs:2:12
Sep 10 09:41:32.252 INFO kablam!   |
Sep 10 09:41:32.252 INFO kablam! 2 | #![feature(attr_literals)]
Sep 10 09:41:32.252 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 10 09:41:32.252 INFO kablam!   |
Sep 10 09:41:32.252 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 09:41:32.252 INFO kablam! 
Sep 10 09:41:32.253 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 09:41:32.253 INFO kablam!  --> src/lib.rs:4:12
Sep 10 09:41:32.253 INFO kablam!   |
Sep 10 09:41:32.253 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 10 09:41:32.253 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 10 09:41:32.253 INFO kablam! 
Sep 10 09:41:32.270 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Sep 10 09:41:32.272 INFO kablam! su: No module specific data is present
Sep 10 09:41:32.752 INFO running `"docker" "rm" "-f" "81f6a9c08488e604c68ae480d0a6aee6cf3157520177adfe118a6578b16e0b45"`
Sep 10 09:41:32.869 INFO blam! 81f6a9c08488e604c68ae480d0a6aee6cf3157520177adfe118a6578b16e0b45