Sep 10 18:48:46.725 INFO checking futures-stable-preview-0.2.3 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 18:48:46.725 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 18:48:46.725 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:48:46.849 INFO blam! 091c50520551fdba4e2304589a5a7172a700e1b41e50e1878bfb082c6d8c74a0
Sep 10 18:48:46.851 INFO running `"docker" "start" "-a" "091c50520551fdba4e2304589a5a7172a700e1b41e50e1878bfb082c6d8c74a0"`
Sep 10 18:48:48.013 INFO kablam! usermod: no changes
Sep 10 18:48:48.062 INFO kablam!     Checking futures-core-preview v0.2.3
Sep 10 18:48:48.423 INFO kablam!     Checking futures-channel-preview v0.2.2
Sep 10 18:48:48.423 INFO kablam!     Checking futures-io-preview v0.2.2
Sep 10 18:48:48.768 INFO kablam!     Checking futures-sink-preview v0.2.2
Sep 10 18:48:48.966 INFO kablam!     Checking futures-util-preview v0.2.2
Sep 10 18:48:51.033 INFO kablam!     Checking futures-executor-preview v0.2.2
Sep 10 18:48:51.480 INFO kablam!     Checking futures-stable-preview v0.2.3 (file:///source)
Sep 10 18:48:51.683 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
Sep 10 18:48:51.687 INFO kablam! su: No module specific data is present
Sep 10 18:48:52.360 INFO running `"docker" "rm" "-f" "091c50520551fdba4e2304589a5a7172a700e1b41e50e1878bfb082c6d8c74a0"`
Sep 10 18:48:52.447 INFO blam! 091c50520551fdba4e2304589a5a7172a700e1b41e50e1878bfb082c6d8c74a0