Sep 10 07:32:43.961 INFO checking tree-index-0.4.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 07:32:43.961 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 07:32:43.961 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 07:32:44.197 INFO blam! 8424671189bf4ca4611552c98adf2d4b320659be5d3a7b8a00277d0f0e7e9cb2
Sep 10 07:32:44.199 INFO running `"docker" "start" "-a" "8424671189bf4ca4611552c98adf2d4b320659be5d3a7b8a00277d0f0e7e9cb2"`
Sep 10 07:32:44.918 INFO kablam! usermod: no changes
Sep 10 07:32:44.982 INFO kablam!     Checking memory-pager v0.6.1
Sep 10 07:32:44.982 INFO kablam!     Checking flat-tree v3.3.0
Sep 10 07:32:45.338 INFO kablam!     Checking sparse-bitfield v0.7.1
Sep 10 07:32:45.582 INFO kablam!     Checking tree-index v0.4.0 (file:///source)
Sep 10 07:32:46.284 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Sep 10 07:32:46.284 INFO kablam!  --> tests/test.rs:1:12
Sep 10 07:32:46.284 INFO kablam!   |
Sep 10 07:32:46.284 INFO kablam! 1 | #![feature(iterator_step_by)]
Sep 10 07:32:46.284 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 10 07:32:46.284 INFO kablam!   |
Sep 10 07:32:46.284 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 07:32:46.284 INFO kablam! 
Sep 10 07:32:46.304 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Sep 10 07:32:46.307 INFO kablam! su: No module specific data is present
Sep 10 07:32:46.755 INFO running `"docker" "rm" "-f" "8424671189bf4ca4611552c98adf2d4b320659be5d3a7b8a00277d0f0e7e9cb2"`
Sep 10 07:32:46.824 INFO blam! 8424671189bf4ca4611552c98adf2d4b320659be5d3a7b8a00277d0f0e7e9cb2