Sep 04 03:01:45.145 INFO checking slab_allocator-0.3.3 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 03:01:45.145 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 03:01:45.146 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 03:01:45.313 INFO blam! 5a63495878b3266a325773ae3bb94eb020b8a7e25729fb5b965da2d6c3adc450
Sep 04 03:01:45.315 INFO running `"docker" "start" "-a" "5a63495878b3266a325773ae3bb94eb020b8a7e25729fb5b965da2d6c3adc450"`
Sep 04 03:01:45.857 INFO kablam!     Checking linked_list_allocator v0.6.3
Sep 04 03:01:46.030 INFO kablam!     Checking slab_allocator v0.3.3 (file:///source)
Sep 04 03:01:46.246 INFO kablam! warning: method is never used: `used_blocks`
Sep 04 03:01:46.246 INFO kablam!   --> src/slab.rs:18:5
Sep 04 03:01:46.246 INFO kablam!    |
Sep 04 03:01:46.246 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 04 03:01:46.246 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.246 INFO kablam!    |
Sep 04 03:01:46.246 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 03:01:46.246 INFO kablam! 
Sep 04 03:01:46.246 INFO kablam! warning: method is never used: `len`
Sep 04 03:01:46.246 INFO kablam!   --> src/slab.rs:65:5
Sep 04 03:01:46.246 INFO kablam!    |
Sep 04 03:01:46.246 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 04 03:01:46.246 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.246 INFO kablam! 
Sep 04 03:01:46.246 INFO kablam! warning: method is never used: `is_empty`
Sep 04 03:01:46.246 INFO kablam!   --> src/slab.rs:83:5
Sep 04 03:01:46.247 INFO kablam!    |
Sep 04 03:01:46.247 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 04 03:01:46.247 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.247 INFO kablam! 
Sep 04 03:01:46.247 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 04 03:01:46.247 INFO kablam!  --> src/lib.rs:2:12
Sep 04 03:01:46.247 INFO kablam!   |
Sep 04 03:01:46.247 INFO kablam! 2 | #![feature(attr_literals)]
Sep 04 03:01:46.247 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 04 03:01:46.247 INFO kablam!   |
Sep 04 03:01:46.247 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 03:01:46.247 INFO kablam! 
Sep 04 03:01:46.247 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 04 03:01:46.248 INFO kablam!  --> src/lib.rs:4:12
Sep 04 03:01:46.248 INFO kablam!   |
Sep 04 03:01:46.248 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 04 03:01:46.248 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 04 03:01:46.248 INFO kablam! 
Sep 04 03:01:46.505 INFO kablam! warning: method is never used: `used_blocks`
Sep 04 03:01:46.505 INFO kablam!   --> src/slab.rs:18:5
Sep 04 03:01:46.505 INFO kablam!    |
Sep 04 03:01:46.505 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 04 03:01:46.505 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.505 INFO kablam!    |
Sep 04 03:01:46.506 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 03:01:46.506 INFO kablam! 
Sep 04 03:01:46.506 INFO kablam! warning: method is never used: `len`
Sep 04 03:01:46.506 INFO kablam!   --> src/slab.rs:65:5
Sep 04 03:01:46.506 INFO kablam!    |
Sep 04 03:01:46.506 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 04 03:01:46.506 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.506 INFO kablam! 
Sep 04 03:01:46.506 INFO kablam! warning: method is never used: `is_empty`
Sep 04 03:01:46.506 INFO kablam!   --> src/slab.rs:83:5
Sep 04 03:01:46.506 INFO kablam!    |
Sep 04 03:01:46.506 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 04 03:01:46.506 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.506 INFO kablam! 
Sep 04 03:01:46.506 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 04 03:01:46.506 INFO kablam!  --> src/lib.rs:2:12
Sep 04 03:01:46.506 INFO kablam!   |
Sep 04 03:01:46.507 INFO kablam! 2 | #![feature(attr_literals)]
Sep 04 03:01:46.507 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 04 03:01:46.507 INFO kablam!   |
Sep 04 03:01:46.507 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 03:01:46.507 INFO kablam! 
Sep 04 03:01:46.507 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 04 03:01:46.507 INFO kablam!  --> src/lib.rs:4:12
Sep 04 03:01:46.507 INFO kablam!   |
Sep 04 03:01:46.507 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 04 03:01:46.507 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 04 03:01:46.507 INFO kablam! 
Sep 04 03:01:46.524 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Sep 04 03:01:46.527 INFO kablam! su: No module specific data is present
Sep 04 03:01:46.895 INFO running `"docker" "rm" "-f" "5a63495878b3266a325773ae3bb94eb020b8a7e25729fb5b965da2d6c3adc450"`
Sep 04 03:01:47.042 INFO blam! 5a63495878b3266a325773ae3bb94eb020b8a7e25729fb5b965da2d6c3adc450