Aug 30 02:37:29.894 INFO checking slab_allocator-0.3.3 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 02:37:29.894 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 02:37:29.894 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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=500" "-e" "CMD=cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 02:37:30.102 INFO blam! 982675b7d1dbb39a1d6910de7211019b8b3d4eb146b231909412ef7d2e56c4da
Aug 30 02:37:30.104 INFO running `"docker" "start" "-a" "982675b7d1dbb39a1d6910de7211019b8b3d4eb146b231909412ef7d2e56c4da"`
Aug 30 02:37:30.712 INFO kablam!     Checking spin v0.4.9
Aug 30 02:37:30.951 INFO kablam!     Checking linked_list_allocator v0.6.3
Aug 30 02:37:31.203 INFO kablam!     Checking slab_allocator v0.3.3 (file:///source)
Aug 30 02:37:31.423 INFO kablam! warning: method is never used: `used_blocks`
Aug 30 02:37:31.424 INFO kablam!   --> src/slab.rs:18:5
Aug 30 02:37:31.424 INFO kablam!    |
Aug 30 02:37:31.424 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Aug 30 02:37:31.424 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 02:37:31.424 INFO kablam!    |
Aug 30 02:37:31.424 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 30 02:37:31.424 INFO kablam! 
Aug 30 02:37:31.424 INFO kablam! warning: method is never used: `len`
Aug 30 02:37:31.424 INFO kablam!   --> src/slab.rs:65:5
Aug 30 02:37:31.424 INFO kablam!    |
Aug 30 02:37:31.424 INFO kablam! 65 |     fn len(&self) -> usize {
Aug 30 02:37:31.424 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Aug 30 02:37:31.424 INFO kablam! 
Aug 30 02:37:31.424 INFO kablam! warning: method is never used: `is_empty`
Aug 30 02:37:31.424 INFO kablam!   --> src/slab.rs:83:5
Aug 30 02:37:31.424 INFO kablam!    |
Aug 30 02:37:31.424 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Aug 30 02:37:31.424 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 02:37:31.424 INFO kablam! 
Aug 30 02:37:31.424 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Aug 30 02:37:31.424 INFO kablam!  --> src/lib.rs:2:12
Aug 30 02:37:31.424 INFO kablam!   |
Aug 30 02:37:31.424 INFO kablam! 2 | #![feature(attr_literals)]
Aug 30 02:37:31.424 INFO kablam!   |            ^^^^^^^^^^^^^
Aug 30 02:37:31.424 INFO kablam!   |
Aug 30 02:37:31.424 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 02:37:31.424 INFO kablam! 
Aug 30 02:37:31.425 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Aug 30 02:37:31.425 INFO kablam!  --> src/lib.rs:4:12
Aug 30 02:37:31.425 INFO kablam!   |
Aug 30 02:37:31.425 INFO kablam! 4 | #![feature(pointer_methods)]
Aug 30 02:37:31.425 INFO kablam!   |            ^^^^^^^^^^^^^^^
Aug 30 02:37:31.425 INFO kablam! 
Aug 30 02:37:31.846 INFO kablam! warning: method is never used: `used_blocks`
Aug 30 02:37:31.846 INFO kablam!   --> src/slab.rs:18:5
Aug 30 02:37:31.846 INFO kablam!    |
Aug 30 02:37:31.846 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Aug 30 02:37:31.846 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 02:37:31.846 INFO kablam!    |
Aug 30 02:37:31.846 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 30 02:37:31.846 INFO kablam! 
Aug 30 02:37:31.847 INFO kablam! warning: method is never used: `len`
Aug 30 02:37:31.847 INFO kablam!   --> src/slab.rs:65:5
Aug 30 02:37:31.847 INFO kablam!    |
Aug 30 02:37:31.847 INFO kablam! 65 |     fn len(&self) -> usize {
Aug 30 02:37:31.847 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Aug 30 02:37:31.847 INFO kablam! 
Aug 30 02:37:31.847 INFO kablam! warning: method is never used: `is_empty`
Aug 30 02:37:31.847 INFO kablam!   --> src/slab.rs:83:5
Aug 30 02:37:31.847 INFO kablam!    |
Aug 30 02:37:31.847 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Aug 30 02:37:31.847 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 02:37:31.847 INFO kablam! 
Aug 30 02:37:31.847 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Aug 30 02:37:31.847 INFO kablam!  --> src/lib.rs:2:12
Aug 30 02:37:31.847 INFO kablam!   |
Aug 30 02:37:31.847 INFO kablam! 2 | #![feature(attr_literals)]
Aug 30 02:37:31.847 INFO kablam!   |            ^^^^^^^^^^^^^
Aug 30 02:37:31.847 INFO kablam!   |
Aug 30 02:37:31.847 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 02:37:31.847 INFO kablam! 
Aug 30 02:37:31.848 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Aug 30 02:37:31.848 INFO kablam!  --> src/lib.rs:4:12
Aug 30 02:37:31.848 INFO kablam!   |
Aug 30 02:37:31.848 INFO kablam! 4 | #![feature(pointer_methods)]
Aug 30 02:37:31.848 INFO kablam!   |            ^^^^^^^^^^^^^^^
Aug 30 02:37:31.848 INFO kablam! 
Aug 30 02:37:31.872 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Aug 30 02:37:31.875 INFO kablam! su: No module specific data is present
Aug 30 02:37:32.379 INFO running `"docker" "rm" "-f" "982675b7d1dbb39a1d6910de7211019b8b3d4eb146b231909412ef7d2e56c4da"`
Aug 30 02:37:32.520 INFO blam! 982675b7d1dbb39a1d6910de7211019b8b3d4eb146b231909412ef7d2e56c4da