Dec 05 13:34:43.691 INFO checking futures-io-preview-0.3.0-alpha.9 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 13:34:43.692 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 13:34:44.248 INFO [stdout] 041aaceef20692b7817de9fa89a81594f2c8d7c63603de44acad6f4694b31a05
Dec 05 13:34:44.250 INFO running `"docker" "start" "-a" "041aaceef20692b7817de9fa89a81594f2c8d7c63603de44acad6f4694b31a05"`
Dec 05 13:34:46.298 INFO [stderr] usermod: no changes
Dec 05 13:34:46.430 INFO [stderr]     Checking futures-io-preview v0.3.0-alpha.9 (/source)
Dec 05 13:34:48.826 INFO [stderr] error[E0432]: unresolved import `assert_matches`
Dec 05 13:34:48.827 INFO [stderr]  --> tests/cursor.rs:3:5
Dec 05 13:34:48.827 INFO [stderr]   |
Dec 05 13:34:48.827 INFO [stderr] 3 | use assert_matches::assert_matches;
Dec 05 13:34:48.827 INFO [stderr]   |     ^^^^^^^^^^^^^^ use of undeclared type or module `assert_matches`
Dec 05 13:34:48.827 INFO [stderr] 
Dec 05 13:34:48.827 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 05 13:34:48.827 INFO [stderr]  --> tests/cursor.rs:5:5
Dec 05 13:34:48.827 INFO [stderr]   |
Dec 05 13:34:48.827 INFO [stderr] 5 | use futures::future::lazy;
Dec 05 13:34:48.827 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 05 13:34:48.827 INFO [stderr] 
Dec 05 13:34:48.827 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 05 13:34:48.827 INFO [stderr]  --> tests/cursor.rs:6:5
Dec 05 13:34:48.827 INFO [stderr]   |
Dec 05 13:34:48.827 INFO [stderr] 6 | use futures::io::AsyncWrite;
Dec 05 13:34:48.827 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 05 13:34:48.827 INFO [stderr] 
Dec 05 13:34:48.827 INFO [stderr] error[E0432]: unresolved import `futures`
Dec 05 13:34:48.827 INFO [stderr]  --> tests/cursor.rs:4:5
Dec 05 13:34:48.827 INFO [stderr]   |
Dec 05 13:34:48.827 INFO [stderr] 4 | use futures::Poll;
Dec 05 13:34:48.827 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 05 13:34:48.827 INFO [stderr] 
Dec 05 13:34:48.827 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 05 13:34:48.827 INFO [stderr]   --> tests/cursor.rs:12:5
Dec 05 13:34:48.827 INFO [stderr]    |
Dec 05 13:34:48.827 INFO [stderr] 12 |     futures::executor::block_on(lazy(|ctx| {
Dec 05 13:34:48.827 INFO [stderr]    |     ^^^^^^^ use of undeclared type or module `futures`
Dec 05 13:34:48.827 INFO [stderr] 
Dec 05 13:34:48.894 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 05 13:34:48.894 INFO [stderr]   --> tests/cursor.rs:13:9
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr] 13 |         assert_matches!(cursor.poll_write(ctx, &[1, 2]), Poll::Ready(Ok(2)));
Dec 05 13:34:48.894 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 05 13:34:48.894 INFO [stderr] 
Dec 05 13:34:48.894 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 05 13:34:48.894 INFO [stderr]   --> tests/cursor.rs:14:9
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr] 14 |         assert_matches!(cursor.poll_write(ctx, &[3, 4]), Poll::Ready(Ok(2)));
Dec 05 13:34:48.894 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 05 13:34:48.894 INFO [stderr] 
Dec 05 13:34:48.894 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 05 13:34:48.894 INFO [stderr]   --> tests/cursor.rs:15:9
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr] 15 |         assert_matches!(cursor.poll_write(ctx, &[5, 6]), Poll::Ready(Ok(1)));
Dec 05 13:34:48.894 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 05 13:34:48.894 INFO [stderr] 
Dec 05 13:34:48.894 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 05 13:34:48.894 INFO [stderr]   --> tests/cursor.rs:16:9
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr] 16 |         assert_matches!(cursor.poll_write(ctx, &[6, 7]), Poll::Ready(Ok(0)));
Dec 05 13:34:48.894 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 05 13:34:48.894 INFO [stderr] 
Dec 05 13:34:48.894 INFO [stderr] error[E0425]: cannot find function `lazy` in this scope
Dec 05 13:34:48.894 INFO [stderr]   --> tests/cursor.rs:12:33
Dec 05 13:34:48.894 INFO [stderr]    |
Dec 05 13:34:48.894 INFO [stderr] 12 |     futures::executor::block_on(lazy(|ctx| {
Dec 05 13:34:48.894 INFO [stderr]    |                                 ^^^^ not found in this scope
Dec 05 13:34:48.894 INFO [stderr] 
Dec 05 13:34:48.895 INFO [stderr] error: aborting due to 10 previous errors
Dec 05 13:34:48.895 INFO [stderr] 
Dec 05 13:34:48.895 INFO [stderr] Some errors occurred: E0425, E0432, E0433.
Dec 05 13:34:48.895 INFO [stderr] For more information about an error, try `rustc --explain E0425`.
Dec 05 13:34:48.906 INFO [stderr] error: Could not compile `futures-io-preview`.
Dec 05 13:34:48.906 INFO [stderr] 
Dec 05 13:34:48.906 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 13:34:48.909 INFO [stderr] su: No module specific data is present
Dec 05 13:34:49.281 INFO running `"docker" "inspect" "041aaceef20692b7817de9fa89a81594f2c8d7c63603de44acad6f4694b31a05"`
Dec 05 13:34:49.536 INFO running `"docker" "rm" "-f" "041aaceef20692b7817de9fa89a81594f2c8d7c63603de44acad6f4694b31a05"`
Dec 05 13:34:49.753 INFO [stdout] 041aaceef20692b7817de9fa89a81594f2c8d7c63603de44acad6f4694b31a05