Sep 10 09:41:30.277 INFO checking slab_allocator-0.3.3 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 09:41:30.277 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 09:41:30.277 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:41:30.538 INFO blam! 7ec32c5aacb7ce5e45bc43ef9e68570a96b9adfa19d6518d832747bc1515b341
Sep 10 09:41:30.540 INFO running `"docker" "start" "-a" "7ec32c5aacb7ce5e45bc43ef9e68570a96b9adfa19d6518d832747bc1515b341"`
Sep 10 09:41:31.534 INFO kablam! usermod: no changes
Sep 10 09:41:31.598 INFO kablam!     Checking linked_list_allocator v0.6.3
Sep 10 09:41:31.769 INFO kablam!     Checking slab_allocator v0.3.3 (file:///source)
Sep 10 09:41:31.894 INFO kablam! warning: method is never used: `used_blocks`
Sep 10 09:41:31.894 INFO kablam!   --> src/slab.rs:18:5
Sep 10 09:41:31.894 INFO kablam!    |
Sep 10 09:41:31.894 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 10 09:41:31.894 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:31.894 INFO kablam!    |
Sep 10 09:41:31.894 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 09:41:31.894 INFO kablam! 
Sep 10 09:41:31.894 INFO kablam! warning: method is never used: `len`
Sep 10 09:41:31.894 INFO kablam!   --> src/slab.rs:65:5
Sep 10 09:41:31.894 INFO kablam!    |
Sep 10 09:41:31.894 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 10 09:41:31.894 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:31.894 INFO kablam! 
Sep 10 09:41:31.894 INFO kablam! warning: method is never used: `is_empty`
Sep 10 09:41:31.894 INFO kablam!   --> src/slab.rs:83:5
Sep 10 09:41:31.894 INFO kablam!    |
Sep 10 09:41:31.894 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 10 09:41:31.894 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:31.894 INFO kablam! 
Sep 10 09:41:31.901 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 10 09:41:31.901 INFO kablam!  --> src/lib.rs:2:12
Sep 10 09:41:31.901 INFO kablam!   |
Sep 10 09:41:31.901 INFO kablam! 2 | #![feature(attr_literals)]
Sep 10 09:41:31.901 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 10 09:41:31.901 INFO kablam!   |
Sep 10 09:41:31.901 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 09:41:31.901 INFO kablam! 
Sep 10 09:41:31.901 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 09:41:31.901 INFO kablam!  --> src/lib.rs:4:12
Sep 10 09:41:31.901 INFO kablam!   |
Sep 10 09:41:31.901 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 10 09:41:31.901 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 10 09:41:31.901 INFO kablam! 
Sep 10 09:41:32.084 INFO kablam! warning: method is never used: `used_blocks`
Sep 10 09:41:32.084 INFO kablam!   --> src/slab.rs:18:5
Sep 10 09:41:32.084 INFO kablam!    |
Sep 10 09:41:32.084 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 10 09:41:32.084 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.084 INFO kablam!    |
Sep 10 09:41:32.084 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 09:41:32.084 INFO kablam! 
Sep 10 09:41:32.084 INFO kablam! warning: method is never used: `len`
Sep 10 09:41:32.084 INFO kablam!   --> src/slab.rs:65:5
Sep 10 09:41:32.084 INFO kablam!    |
Sep 10 09:41:32.084 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 10 09:41:32.084 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.084 INFO kablam! 
Sep 10 09:41:32.084 INFO kablam! warning: method is never used: `is_empty`
Sep 10 09:41:32.084 INFO kablam!   --> src/slab.rs:83:5
Sep 10 09:41:32.084 INFO kablam!    |
Sep 10 09:41:32.084 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 10 09:41:32.084 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:41:32.084 INFO kablam! 
Sep 10 09:41:32.084 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 10 09:41:32.084 INFO kablam!  --> src/lib.rs:2:12
Sep 10 09:41:32.084 INFO kablam!   |
Sep 10 09:41:32.084 INFO kablam! 2 | #![feature(attr_literals)]
Sep 10 09:41:32.084 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 10 09:41:32.084 INFO kablam!   |
Sep 10 09:41:32.084 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 09:41:32.084 INFO kablam! 
Sep 10 09:41:32.084 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 09:41:32.084 INFO kablam!  --> src/lib.rs:4:12
Sep 10 09:41:32.084 INFO kablam!   |
Sep 10 09:41:32.084 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 10 09:41:32.084 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 10 09:41:32.084 INFO kablam! 
Sep 10 09:41:32.102 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Sep 10 09:41:32.104 INFO kablam! su: No module specific data is present
Sep 10 09:41:32.630 INFO running `"docker" "rm" "-f" "7ec32c5aacb7ce5e45bc43ef9e68570a96b9adfa19d6518d832747bc1515b341"`
Sep 10 09:41:32.726 INFO blam! 7ec32c5aacb7ce5e45bc43ef9e68570a96b9adfa19d6518d832747bc1515b341