Sep 17 17:14:00.322 INFO checking slab_allocator-0.3.3 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 17:14:00.323 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 17:14:00.323 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 17:14:00.771 INFO blam! 1fd621b3f28df168f928f57de43d6c37f8aa94050963ca1c443e52bf49094226
Sep 17 17:14:00.773 INFO running `"docker" "start" "-a" "1fd621b3f28df168f928f57de43d6c37f8aa94050963ca1c443e52bf49094226"`
Sep 17 17:14:02.235 INFO kablam! usermod: no changes
Sep 17 17:14:02.268 INFO kablam!     Checking spin v0.4.9
Sep 17 17:14:02.437 INFO kablam!     Checking linked_list_allocator v0.6.3
Sep 17 17:14:02.590 INFO kablam!     Checking slab_allocator v0.3.3 (/source)
Sep 17 17:14:02.759 INFO kablam! warning: method is never used: `used_blocks`
Sep 17 17:14:02.759 INFO kablam!   --> src/slab.rs:18:5
Sep 17 17:14:02.759 INFO kablam!    |
Sep 17 17:14:02.759 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 17 17:14:02.759 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 17:14:02.759 INFO kablam!    |
Sep 17 17:14:02.759 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 17 17:14:02.759 INFO kablam! 
Sep 17 17:14:02.759 INFO kablam! warning: method is never used: `len`
Sep 17 17:14:02.759 INFO kablam!   --> src/slab.rs:65:5
Sep 17 17:14:02.759 INFO kablam!    |
Sep 17 17:14:02.759 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 17 17:14:02.759 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 17 17:14:02.759 INFO kablam! 
Sep 17 17:14:02.759 INFO kablam! warning: method is never used: `is_empty`
Sep 17 17:14:02.759 INFO kablam!   --> src/slab.rs:83:5
Sep 17 17:14:02.759 INFO kablam!    |
Sep 17 17:14:02.759 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 17 17:14:02.759 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 17:14:02.759 INFO kablam! 
Sep 17 17:14:02.759 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 17 17:14:02.759 INFO kablam!  --> src/lib.rs:2:12
Sep 17 17:14:02.759 INFO kablam!   |
Sep 17 17:14:02.759 INFO kablam! 2 | #![feature(attr_literals)]
Sep 17 17:14:02.759 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 17 17:14:02.759 INFO kablam!   |
Sep 17 17:14:02.759 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 17 17:14:02.759 INFO kablam! 
Sep 17 17:14:02.759 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 17 17:14:02.759 INFO kablam!  --> src/lib.rs:4:12
Sep 17 17:14:02.759 INFO kablam!   |
Sep 17 17:14:02.759 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 17 17:14:02.759 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 17 17:14:02.759 INFO kablam! 
Sep 17 17:14:02.941 INFO kablam! warning: method is never used: `used_blocks`
Sep 17 17:14:02.941 INFO kablam!   --> src/slab.rs:18:5
Sep 17 17:14:02.941 INFO kablam!    |
Sep 17 17:14:02.941 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 17 17:14:02.941 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 17:14:02.941 INFO kablam!    |
Sep 17 17:14:02.942 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 17 17:14:02.942 INFO kablam! 
Sep 17 17:14:02.942 INFO kablam! warning: method is never used: `len`
Sep 17 17:14:02.942 INFO kablam!   --> src/slab.rs:65:5
Sep 17 17:14:02.942 INFO kablam!    |
Sep 17 17:14:02.942 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 17 17:14:02.942 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 17 17:14:02.942 INFO kablam! 
Sep 17 17:14:02.942 INFO kablam! warning: method is never used: `is_empty`
Sep 17 17:14:02.942 INFO kablam!   --> src/slab.rs:83:5
Sep 17 17:14:02.942 INFO kablam!    |
Sep 17 17:14:02.942 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 17 17:14:02.942 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 17:14:02.942 INFO kablam! 
Sep 17 17:14:02.942 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 17 17:14:02.942 INFO kablam!  --> src/lib.rs:2:12
Sep 17 17:14:02.942 INFO kablam!   |
Sep 17 17:14:02.942 INFO kablam! 2 | #![feature(attr_literals)]
Sep 17 17:14:02.942 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 17 17:14:02.942 INFO kablam!   |
Sep 17 17:14:02.942 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 17 17:14:02.942 INFO kablam! 
Sep 17 17:14:02.942 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 17 17:14:02.942 INFO kablam!  --> src/lib.rs:4:12
Sep 17 17:14:02.942 INFO kablam!   |
Sep 17 17:14:02.942 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 17 17:14:02.942 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 17 17:14:02.942 INFO kablam! 
Sep 17 17:14:02.968 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Sep 17 17:14:02.972 INFO kablam! su: No module specific data is present
Sep 17 17:14:03.665 INFO running `"docker" "rm" "-f" "1fd621b3f28df168f928f57de43d6c37f8aa94050963ca1c443e52bf49094226"`
Sep 17 17:14:03.807 INFO blam! 1fd621b3f28df168f928f57de43d6c37f8aa94050963ca1c443e52bf49094226