Sep 19 16:41:47.723 INFO checking tree-index-0.4.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 16:41:47.723 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 16:41:47.723 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-7/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 16:41:48.167 INFO blam! a2fbb2df640d3918f5bb1fa0ac36c6aa21b1d62c3a15ccc5ef58dbf7d06d1d8b
Sep 19 16:41:48.175 INFO running `"docker" "start" "-a" "a2fbb2df640d3918f5bb1fa0ac36c6aa21b1d62c3a15ccc5ef58dbf7d06d1d8b"`
Sep 19 16:41:49.459 INFO kablam! usermod: no changes
Sep 19 16:41:49.527 INFO kablam!     Checking memory-pager v0.6.1
Sep 19 16:41:49.535 INFO kablam!     Checking flat-tree v3.3.0
Sep 19 16:41:50.023 INFO kablam!     Checking sparse-bitfield v0.7.1
Sep 19 16:41:50.395 INFO kablam!     Checking tree-index v0.4.0 (/source)
Sep 19 16:41:51.622 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Sep 19 16:41:51.622 INFO kablam!  --> tests/test.rs:1:12
Sep 19 16:41:51.622 INFO kablam!   |
Sep 19 16:41:51.622 INFO kablam! 1 | #![feature(iterator_step_by)]
Sep 19 16:41:51.622 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 19 16:41:51.622 INFO kablam!   |
Sep 19 16:41:51.622 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 19 16:41:51.622 INFO kablam! 
Sep 19 16:41:51.683 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
Sep 19 16:41:51.687 INFO kablam! su: No module specific data is present
Sep 19 16:41:52.437 INFO running `"docker" "rm" "-f" "a2fbb2df640d3918f5bb1fa0ac36c6aa21b1d62c3a15ccc5ef58dbf7d06d1d8b"`
Sep 19 16:41:52.563 INFO blam! a2fbb2df640d3918f5bb1fa0ac36c6aa21b1d62c3a15ccc5ef58dbf7d06d1d8b