Sep 01 06:25:00.570 INFO checking slab_allocator-0.3.3 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 06:25:00.570 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 06:25:00.570 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 06:25:00.766 INFO blam! 42717a240ae9b320e6b7bf90457680a936714912fe3cbe0035e1b77e1e022976
Sep 01 06:25:00.768 INFO running `"docker" "start" "-a" "42717a240ae9b320e6b7bf90457680a936714912fe3cbe0035e1b77e1e022976"`
Sep 01 06:25:01.361 INFO kablam!     Checking linked_list_allocator v0.6.3
Sep 01 06:25:01.590 INFO kablam!     Checking slab_allocator v0.3.3 (file:///source)
Sep 01 06:25:01.805 INFO kablam! warning: method is never used: `used_blocks`
Sep 01 06:25:01.805 INFO kablam!   --> src/slab.rs:18:5
Sep 01 06:25:01.805 INFO kablam!    |
Sep 01 06:25:01.805 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 01 06:25:01.805 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 06:25:01.805 INFO kablam!    |
Sep 01 06:25:01.805 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 06:25:01.805 INFO kablam! 
Sep 01 06:25:01.806 INFO kablam! warning: method is never used: `len`
Sep 01 06:25:01.806 INFO kablam!   --> src/slab.rs:65:5
Sep 01 06:25:01.806 INFO kablam!    |
Sep 01 06:25:01.806 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 01 06:25:01.806 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 01 06:25:01.806 INFO kablam! 
Sep 01 06:25:01.806 INFO kablam! warning: method is never used: `is_empty`
Sep 01 06:25:01.806 INFO kablam!   --> src/slab.rs:83:5
Sep 01 06:25:01.806 INFO kablam!    |
Sep 01 06:25:01.806 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 01 06:25:01.806 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 06:25:01.806 INFO kablam! 
Sep 01 06:25:01.806 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 01 06:25:01.806 INFO kablam!  --> src/lib.rs:2:12
Sep 01 06:25:01.806 INFO kablam!   |
Sep 01 06:25:01.806 INFO kablam! 2 | #![feature(attr_literals)]
Sep 01 06:25:01.806 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 01 06:25:01.806 INFO kablam!   |
Sep 01 06:25:01.806 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 06:25:01.806 INFO kablam! 
Sep 01 06:25:01.806 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 01 06:25:01.806 INFO kablam!  --> src/lib.rs:4:12
Sep 01 06:25:01.807 INFO kablam!   |
Sep 01 06:25:01.807 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 01 06:25:01.807 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 01 06:25:01.807 INFO kablam! 
Sep 01 06:25:02.107 INFO kablam! warning: method is never used: `used_blocks`
Sep 01 06:25:02.107 INFO kablam!   --> src/slab.rs:18:5
Sep 01 06:25:02.108 INFO kablam!    |
Sep 01 06:25:02.108 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 01 06:25:02.108 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 06:25:02.108 INFO kablam!    |
Sep 01 06:25:02.108 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 06:25:02.108 INFO kablam! 
Sep 01 06:25:02.108 INFO kablam! warning: method is never used: `len`
Sep 01 06:25:02.108 INFO kablam!   --> src/slab.rs:65:5
Sep 01 06:25:02.108 INFO kablam!    |
Sep 01 06:25:02.108 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 01 06:25:02.108 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 01 06:25:02.108 INFO kablam! 
Sep 01 06:25:02.108 INFO kablam! warning: method is never used: `is_empty`
Sep 01 06:25:02.108 INFO kablam!   --> src/slab.rs:83:5
Sep 01 06:25:02.108 INFO kablam!    |
Sep 01 06:25:02.108 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 01 06:25:02.108 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 06:25:02.108 INFO kablam! 
Sep 01 06:25:02.108 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 01 06:25:02.108 INFO kablam!  --> src/lib.rs:2:12
Sep 01 06:25:02.108 INFO kablam!   |
Sep 01 06:25:02.108 INFO kablam! 2 | #![feature(attr_literals)]
Sep 01 06:25:02.109 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 01 06:25:02.109 INFO kablam!   |
Sep 01 06:25:02.109 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 06:25:02.109 INFO kablam! 
Sep 01 06:25:02.109 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 01 06:25:02.109 INFO kablam!  --> src/lib.rs:4:12
Sep 01 06:25:02.109 INFO kablam!   |
Sep 01 06:25:02.109 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 01 06:25:02.109 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 01 06:25:02.109 INFO kablam! 
Sep 01 06:25:02.125 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Sep 01 06:25:02.127 INFO kablam! su: No module specific data is present
Sep 01 06:25:02.572 INFO running `"docker" "rm" "-f" "42717a240ae9b320e6b7bf90457680a936714912fe3cbe0035e1b77e1e022976"`
Sep 01 06:25:02.690 INFO blam! 42717a240ae9b320e6b7bf90457680a936714912fe3cbe0035e1b77e1e022976