Sep 19 18:08:42.695 INFO checking slab_allocator-0.3.3 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 18:08:42.695 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 18:08:42.695 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 18:08:42.947 INFO blam! a2a779e8084452cd542944de0bbfbf7b3f0958c7c4e69ef181674234610d3851
Sep 19 18:08:42.950 INFO running `"docker" "start" "-a" "a2a779e8084452cd542944de0bbfbf7b3f0958c7c4e69ef181674234610d3851"`
Sep 19 18:08:43.564 INFO kablam! usermod: no changes
Sep 19 18:08:43.609 INFO kablam!     Checking spin v0.4.9
Sep 19 18:08:43.799 INFO kablam!     Checking linked_list_allocator v0.6.3
Sep 19 18:08:43.955 INFO kablam!     Checking slab_allocator v0.3.3 (/source)
Sep 19 18:08:44.087 INFO kablam! warning: method is never used: `used_blocks`
Sep 19 18:08:44.088 INFO kablam!   --> src/slab.rs:18:5
Sep 19 18:08:44.088 INFO kablam!    |
Sep 19 18:08:44.088 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 19 18:08:44.088 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:44.088 INFO kablam!    |
Sep 19 18:08:44.088 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 18:08:44.088 INFO kablam! 
Sep 19 18:08:44.088 INFO kablam! warning: method is never used: `len`
Sep 19 18:08:44.088 INFO kablam!   --> src/slab.rs:65:5
Sep 19 18:08:44.088 INFO kablam!    |
Sep 19 18:08:44.088 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 19 18:08:44.088 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:44.088 INFO kablam! 
Sep 19 18:08:44.090 INFO kablam! warning: method is never used: `is_empty`
Sep 19 18:08:44.090 INFO kablam!   --> src/slab.rs:83:5
Sep 19 18:08:44.090 INFO kablam!    |
Sep 19 18:08:44.090 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 19 18:08:44.090 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:44.090 INFO kablam! 
Sep 19 18:08:44.090 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 19 18:08:44.090 INFO kablam!  --> src/lib.rs:2:12
Sep 19 18:08:44.090 INFO kablam!   |
Sep 19 18:08:44.090 INFO kablam! 2 | #![feature(attr_literals)]
Sep 19 18:08:44.090 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 19 18:08:44.090 INFO kablam!   |
Sep 19 18:08:44.090 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 19 18:08:44.090 INFO kablam! 
Sep 19 18:08:44.090 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 19 18:08:44.090 INFO kablam!  --> src/lib.rs:4:12
Sep 19 18:08:44.090 INFO kablam!   |
Sep 19 18:08:44.090 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 19 18:08:44.090 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 19 18:08:44.090 INFO kablam! 
Sep 19 18:08:44.306 INFO kablam! warning: method is never used: `used_blocks`
Sep 19 18:08:44.307 INFO kablam!   --> src/slab.rs:18:5
Sep 19 18:08:44.307 INFO kablam!    |
Sep 19 18:08:44.308 INFO kablam! 18 |     pub fn used_blocks(&self) -> usize {
Sep 19 18:08:44.308 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:44.308 INFO kablam!    |
Sep 19 18:08:44.308 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 18:08:44.308 INFO kablam! 
Sep 19 18:08:44.308 INFO kablam! warning: method is never used: `len`
Sep 19 18:08:44.308 INFO kablam!   --> src/slab.rs:65:5
Sep 19 18:08:44.309 INFO kablam!    |
Sep 19 18:08:44.309 INFO kablam! 65 |     fn len(&self) -> usize {
Sep 19 18:08:44.309 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:44.309 INFO kablam! 
Sep 19 18:08:44.309 INFO kablam! warning: method is never used: `is_empty`
Sep 19 18:08:44.309 INFO kablam!   --> src/slab.rs:83:5
Sep 19 18:08:44.309 INFO kablam!    |
Sep 19 18:08:44.309 INFO kablam! 83 |     fn is_empty(&self) -> bool {
Sep 19 18:08:44.309 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:08:44.309 INFO kablam! 
Sep 19 18:08:44.310 INFO kablam! warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 19 18:08:44.310 INFO kablam!  --> src/lib.rs:2:12
Sep 19 18:08:44.310 INFO kablam!   |
Sep 19 18:08:44.310 INFO kablam! 2 | #![feature(attr_literals)]
Sep 19 18:08:44.310 INFO kablam!   |            ^^^^^^^^^^^^^
Sep 19 18:08:44.310 INFO kablam!   |
Sep 19 18:08:44.310 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 19 18:08:44.310 INFO kablam! 
Sep 19 18:08:44.310 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 19 18:08:44.310 INFO kablam!  --> src/lib.rs:4:12
Sep 19 18:08:44.310 INFO kablam!   |
Sep 19 18:08:44.310 INFO kablam! 4 | #![feature(pointer_methods)]
Sep 19 18:08:44.310 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 19 18:08:44.311 INFO kablam! 
Sep 19 18:08:44.333 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Sep 19 18:08:44.336 INFO kablam! su: No module specific data is present
Sep 19 18:08:44.804 INFO running `"docker" "rm" "-f" "a2a779e8084452cd542944de0bbfbf7b3f0958c7c4e69ef181674234610d3851"`
Sep 19 18:08:45.040 INFO blam! a2a779e8084452cd542944de0bbfbf7b3f0958c7c4e69ef181674234610d3851