Oct 13 15:04:24.564 INFO checking futures-stable-preview-0.2.3 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 15:04:24.565 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 15:04:24.768 INFO blam! 7fe27608a2e75e85a1fba7fe680512d38c558fce9dbc9bb7acc603f7f15295df
Oct 13 15:04:24.775 INFO running `"docker" "start" "-a" "7fe27608a2e75e85a1fba7fe680512d38c558fce9dbc9bb7acc603f7f15295df"`
Oct 13 15:04:25.202 INFO kablam! usermod: no changes
Oct 13 15:04:25.244 INFO kablam!     Checking futures-core-preview v0.2.3
Oct 13 15:04:25.852 INFO kablam!     Checking futures-channel-preview v0.2.2
Oct 13 15:04:25.852 INFO kablam!     Checking futures-io-preview v0.2.2
Oct 13 15:04:26.888 INFO kablam!     Checking futures-sink-preview v0.2.2
Oct 13 15:04:27.552 INFO kablam!     Checking futures-util-preview v0.2.2
Oct 13 15:04:30.645 INFO kablam!     Checking futures-executor-preview v0.2.2
Oct 13 15:04:31.498 INFO kablam!     Checking futures-stable-preview v0.2.3 (/source)
Oct 13 15:04:32.007 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.78s
Oct 13 15:04:32.010 INFO kablam! su: No module specific data is present
Oct 13 15:04:32.272 INFO running `"docker" "rm" "-f" "7fe27608a2e75e85a1fba7fe680512d38c558fce9dbc9bb7acc603f7f15295df"`
Oct 13 15:04:32.362 INFO blam! 7fe27608a2e75e85a1fba7fe680512d38c558fce9dbc9bb7acc603f7f15295df