Sep 19 18:08:42.347 INFO checking slab_allocator-0.3.3 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 18:08:42.347 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 18:08:42.347 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 18:08:42.556 INFO blam! 02058765560d1c8e39f0c7cfee71b053e6b9ccb68acb32e3a0c6dcd31c2dbb73
Sep 19 18:08:42.561 INFO running `"docker" "start" "-a" "02058765560d1c8e39f0c7cfee71b053e6b9ccb68acb32e3a0c6dcd31c2dbb73"`
Sep 19 18:08:43.160 INFO kablam! usermod: no changes
Sep 19 18:08:43.205 INFO kablam!     Checking spin v0.4.9
Sep 19 18:08:43.407 INFO kablam!     Checking linked_list_allocator v0.6.3
Sep 19 18:08:43.567 INFO kablam!     Checking slab_allocator v0.3.3 (/source)
Sep 19 18:08:43.731 INFO kablam! warning: method is never used: `used_blocks`
Sep 19 18:08:43.731 INFO kablam!   --> src/slab.rs:18:5
Sep 19 18:08:43.731 INFO kablam!    |
Sep 19 18:08:43.731 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 19 18:08:43.731 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:43.731 INFO kablam!    |
Sep 19 18:08:43.731 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 18:08:43.731 INFO kablam! 
Sep 19 18:08:43.731 INFO kablam! warning: method is never used: `len`
Sep 19 18:08:43.731 INFO kablam!   --> src/slab.rs:65:5
Sep 19 18:08:43.731 INFO kablam!    |
Sep 19 18:08:43.731 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 19 18:08:43.731 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:43.731 INFO kablam! 
Sep 19 18:08:43.731 INFO kablam! warning: method is never used: `is_empty`
Sep 19 18:08:43.731 INFO kablam!   --> src/slab.rs:83:5
Sep 19 18:08:43.732 INFO kablam!    |
Sep 19 18:08:43.732 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 19 18:08:43.732 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:43.732 INFO kablam! 
Sep 19 18:08:43.732 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 19 18:08:43.732 INFO kablam!  --> src/lib.rs:2:12
Sep 19 18:08:43.732 INFO kablam!   |
Sep 19 18:08:43.732 INFO kablam! 2 | #![feature(attr_literals)]
Sep 19 18:08:43.732 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 19 18:08:43.732 INFO kablam!   |
Sep 19 18:08:43.732 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 19 18:08:43.733 INFO kablam! 
Sep 19 18:08:43.733 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 19 18:08:43.733 INFO kablam!  --> src/lib.rs:4:12
Sep 19 18:08:43.733 INFO kablam!   |
Sep 19 18:08:43.735 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 19 18:08:43.735 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 19 18:08:43.735 INFO kablam! 
Sep 19 18:08:43.922 INFO kablam! warning: method is never used: `used_blocks`
Sep 19 18:08:43.923 INFO kablam!   --> src/slab.rs:18:5
Sep 19 18:08:43.923 INFO kablam!    |
Sep 19 18:08:43.924 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 19 18:08:43.924 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:43.925 INFO kablam!    |
Sep 19 18:08:43.925 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 18:08:43.925 INFO kablam! 
Sep 19 18:08:43.926 INFO kablam! warning: method is never used: `len`
Sep 19 18:08:43.926 INFO kablam!   --> src/slab.rs:65:5
Sep 19 18:08:43.926 INFO kablam!    |
Sep 19 18:08:43.927 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 19 18:08:43.927 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:43.928 INFO kablam! 
Sep 19 18:08:43.928 INFO kablam! warning: method is never used: `is_empty`
Sep 19 18:08:43.928 INFO kablam!   --> src/slab.rs:83:5
Sep 19 18:08:43.928 INFO kablam!    |
Sep 19 18:08:43.928 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 19 18:08:43.928 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:43.928 INFO kablam! 
Sep 19 18:08:43.928 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 19 18:08:43.928 INFO kablam!  --> src/lib.rs:2:12
Sep 19 18:08:43.928 INFO kablam!   |
Sep 19 18:08:43.928 INFO kablam! 2 | #![feature(attr_literals)]
Sep 19 18:08:43.928 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 19 18:08:43.928 INFO kablam!   |
Sep 19 18:08:43.928 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 19 18:08:43.929 INFO kablam! 
Sep 19 18:08:43.929 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 19 18:08:43.929 INFO kablam!  --> src/lib.rs:4:12
Sep 19 18:08:43.929 INFO kablam!   |
Sep 19 18:08:43.929 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 19 18:08:43.929 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 19 18:08:43.930 INFO kablam! 
Sep 19 18:08:43.946 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Sep 19 18:08:43.960 INFO kablam! su: No module specific data is present
Sep 19 18:08:44.517 INFO running `"docker" "rm" "-f" "02058765560d1c8e39f0c7cfee71b053e6b9ccb68acb32e3a0c6dcd31c2dbb73"`
Sep 19 18:08:44.598 INFO blam! 02058765560d1c8e39f0c7cfee71b053e6b9ccb68acb32e3a0c6dcd31c2dbb73