Sep 04 03:01:44.405 INFO checking slab_allocator-0.3.3 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 03:01:44.405 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 03:01:44.405 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 03:01:44.599 INFO blam! 0860f53317b7c62e25f829d39e9fb6d37f85763dff33b3ef237287442c9a99b1
Sep 04 03:01:44.601 INFO running `"docker" "start" "-a" "0860f53317b7c62e25f829d39e9fb6d37f85763dff33b3ef237287442c9a99b1"`
Sep 04 03:01:45.237 INFO kablam!     Checking spin v0.4.9
Sep 04 03:01:45.447 INFO kablam!     Checking linked_list_allocator v0.6.3
Sep 04 03:01:45.658 INFO kablam!     Checking slab_allocator v0.3.3 (file:///source)
Sep 04 03:01:45.826 INFO kablam! warning: method is never used: `used_blocks`
Sep 04 03:01:45.826 INFO kablam!   --> src/slab.rs:18:5
Sep 04 03:01:45.826 INFO kablam!    |
Sep 04 03:01:45.826 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 04 03:01:45.827 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:45.827 INFO kablam!    |
Sep 04 03:01:45.827 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 03:01:45.827 INFO kablam! 
Sep 04 03:01:45.827 INFO kablam! warning: method is never used: `len`
Sep 04 03:01:45.827 INFO kablam!   --> src/slab.rs:65:5
Sep 04 03:01:45.827 INFO kablam!    |
Sep 04 03:01:45.827 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 04 03:01:45.827 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:45.827 INFO kablam! 
Sep 04 03:01:45.827 INFO kablam! warning: method is never used: `is_empty`
Sep 04 03:01:45.827 INFO kablam!   --> src/slab.rs:83:5
Sep 04 03:01:45.827 INFO kablam!    |
Sep 04 03:01:45.827 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 04 03:01:45.827 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:45.827 INFO kablam! 
Sep 04 03:01:45.827 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 04 03:01:45.827 INFO kablam!  --> src/lib.rs:2:12
Sep 04 03:01:45.827 INFO kablam!   |
Sep 04 03:01:45.827 INFO kablam! 2 | #![feature(attr_literals)]
Sep 04 03:01:45.828 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 04 03:01:45.828 INFO kablam!   |
Sep 04 03:01:45.828 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 03:01:45.828 INFO kablam! 
Sep 04 03:01:45.828 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 04 03:01:45.828 INFO kablam!  --> src/lib.rs:4:12
Sep 04 03:01:45.828 INFO kablam!   |
Sep 04 03:01:45.828 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 04 03:01:45.828 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 04 03:01:45.828 INFO kablam! 
Sep 04 03:01:46.175 INFO kablam! warning: method is never used: `used_blocks`
Sep 04 03:01:46.176 INFO kablam!   --> src/slab.rs:18:5
Sep 04 03:01:46.176 INFO kablam!    |
Sep 04 03:01:46.176 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 04 03:01:46.176 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.176 INFO kablam!    |
Sep 04 03:01:46.176 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 03:01:46.176 INFO kablam! 
Sep 04 03:01:46.176 INFO kablam! warning: method is never used: `len`
Sep 04 03:01:46.176 INFO kablam!   --> src/slab.rs:65:5
Sep 04 03:01:46.176 INFO kablam!    |
Sep 04 03:01:46.176 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 04 03:01:46.176 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.176 INFO kablam! 
Sep 04 03:01:46.176 INFO kablam! warning: method is never used: `is_empty`
Sep 04 03:01:46.176 INFO kablam!   --> src/slab.rs:83:5
Sep 04 03:01:46.176 INFO kablam!    |
Sep 04 03:01:46.176 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 04 03:01:46.176 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 03:01:46.176 INFO kablam! 
Sep 04 03:01:46.177 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 04 03:01:46.177 INFO kablam!  --> src/lib.rs:2:12
Sep 04 03:01:46.177 INFO kablam!   |
Sep 04 03:01:46.177 INFO kablam! 2 | #![feature(attr_literals)]
Sep 04 03:01:46.177 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 04 03:01:46.177 INFO kablam!   |
Sep 04 03:01:46.177 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 03:01:46.177 INFO kablam! 
Sep 04 03:01:46.177 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 04 03:01:46.177 INFO kablam!  --> src/lib.rs:4:12
Sep 04 03:01:46.177 INFO kablam!   |
Sep 04 03:01:46.177 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 04 03:01:46.177 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 04 03:01:46.177 INFO kablam! 
Sep 04 03:01:46.205 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Sep 04 03:01:46.209 INFO kablam! su: No module specific data is present
Sep 04 03:01:46.591 INFO running `"docker" "rm" "-f" "0860f53317b7c62e25f829d39e9fb6d37f85763dff33b3ef237287442c9a99b1"`
Sep 04 03:01:46.693 INFO blam! 0860f53317b7c62e25f829d39e9fb6d37f85763dff33b3ef237287442c9a99b1