Jul 12 01:43:13.603 INFO checking proptest-0.7.2 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 01:43:13.604 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 01:43:13.604 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 01:43:13.604 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-0/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 01:43:13.861 INFO blam! d4fae503cf663b86b9017a9602cc2316faa8074ff88d05bfd5128a6b88f16c68
Jul 12 01:43:13.864 INFO running `"docker" "start" "-a" "d4fae503cf663b86b9017a9602cc2316faa8074ff88d05bfd5128a6b88f16c68"`
Jul 12 01:43:14.920 INFO kablam!     Checking bit-vec v0.5.0
Jul 12 01:43:14.922 INFO kablam!     Checking rand v0.4.2
Jul 12 01:43:14.929 INFO kablam!     Checking wait-timeout v0.1.5
Jul 12 01:43:17.431 INFO kablam!     Checking bit-set v0.5.0
Jul 12 01:43:20.663 INFO kablam!     Checking tempfile v3.0.2
Jul 12 01:43:21.712 INFO kablam!     Checking rusty-fork v0.2.0
Jul 12 01:43:22.738 INFO kablam!     Checking proptest v0.7.2 (file:///source)
Jul 12 01:44:12.546 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 57.84s
Jul 12 01:44:12.561 INFO kablam! su: No module specific data is present
Jul 12 01:44:13.050 INFO running `"docker" "rm" "-f" "d4fae503cf663b86b9017a9602cc2316faa8074ff88d05bfd5128a6b88f16c68"`
Jul 12 01:44:13.202 INFO blam! d4fae503cf663b86b9017a9602cc2316faa8074ff88d05bfd5128a6b88f16c68