Dec 07 16:08:25.958 INFO testing futures-io-preview-0.3.0-alpha.10 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 16:08:25.958 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 07 16:08:26.134 INFO [stdout] 6f937068078979c6d95d85e765d1db99093ebab1e7638c04e2d354528c24b38b
Dec 07 16:08:26.136 INFO running `"docker" "start" "-a" "6f937068078979c6d95d85e765d1db99093ebab1e7638c04e2d354528c24b38b"`
Dec 07 16:08:26.547 INFO [stderr] usermod: no changes
Dec 07 16:08:26.611 INFO [stderr]    Compiling futures-io-preview v0.3.0-alpha.10 (/source)
Dec 07 16:08:27.232 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 07 16:08:27.237 INFO [stderr] su: No module specific data is present
Dec 07 16:08:27.522 INFO running `"docker" "inspect" "6f937068078979c6d95d85e765d1db99093ebab1e7638c04e2d354528c24b38b"`
Dec 07 16:08:27.595 INFO running `"docker" "rm" "-f" "6f937068078979c6d95d85e765d1db99093ebab1e7638c04e2d354528c24b38b"`
Dec 07 16:08:27.694 INFO [stdout] 6f937068078979c6d95d85e765d1db99093ebab1e7638c04e2d354528c24b38b
Dec 07 16:08:27.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 07 16:08:27.845 INFO [stdout] cfbed2570343fb6364e7e7709f9dd4f559ec8ac9729478a70a47ca46632be339
Dec 07 16:08:27.846 INFO running `"docker" "start" "-a" "cfbed2570343fb6364e7e7709f9dd4f559ec8ac9729478a70a47ca46632be339"`
Dec 07 16:08:28.400 INFO [stderr] usermod: no changes
Dec 07 16:08:28.449 INFO [stderr]    Compiling futures-io-preview v0.3.0-alpha.10 (/source)
Dec 07 16:08:29.427 INFO [stderr] error[E0432]: unresolved import `assert_matches`
Dec 07 16:08:29.427 INFO [stderr]  --> tests/cursor.rs:3:5
Dec 07 16:08:29.427 INFO [stderr]   |
Dec 07 16:08:29.427 INFO [stderr] 3 | use assert_matches::assert_matches;
Dec 07 16:08:29.427 INFO [stderr]   |     ^^^^^^^^^^^^^^ use of undeclared type or module `assert_matches`
Dec 07 16:08:29.427 INFO [stderr] 
Dec 07 16:08:29.427 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 07 16:08:29.427 INFO [stderr]  --> tests/cursor.rs:5:5
Dec 07 16:08:29.427 INFO [stderr]   |
Dec 07 16:08:29.427 INFO [stderr] 5 | use futures::future::lazy;
Dec 07 16:08:29.427 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 07 16:08:29.427 INFO [stderr] 
Dec 07 16:08:29.428 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 07 16:08:29.428 INFO [stderr]  --> tests/cursor.rs:6:5
Dec 07 16:08:29.428 INFO [stderr]   |
Dec 07 16:08:29.428 INFO [stderr] 6 | use futures::io::AsyncWrite;
Dec 07 16:08:29.428 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 07 16:08:29.428 INFO [stderr] 
Dec 07 16:08:29.428 INFO [stderr] error[E0432]: unresolved import `futures`
Dec 07 16:08:29.428 INFO [stderr]  --> tests/cursor.rs:4:5
Dec 07 16:08:29.428 INFO [stderr]   |
Dec 07 16:08:29.428 INFO [stderr] 4 | use futures::Poll;
Dec 07 16:08:29.428 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 07 16:08:29.428 INFO [stderr] 
Dec 07 16:08:29.428 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 07 16:08:29.428 INFO [stderr]   --> tests/cursor.rs:12:5
Dec 07 16:08:29.428 INFO [stderr]    |
Dec 07 16:08:29.428 INFO [stderr] 12 |     futures::executor::block_on(lazy(|ctx| {
Dec 07 16:08:29.428 INFO [stderr]    |     ^^^^^^^ use of undeclared type or module `futures`
Dec 07 16:08:29.428 INFO [stderr] 
Dec 07 16:08:29.499 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 07 16:08:29.499 INFO [stderr]   --> tests/cursor.rs:13:9
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr] 13 |         assert_matches!(cursor.poll_write(ctx, &[1, 2]), Poll::Ready(Ok(2)));
Dec 07 16:08:29.499 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 07 16:08:29.499 INFO [stderr] 
Dec 07 16:08:29.499 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 07 16:08:29.499 INFO [stderr]   --> tests/cursor.rs:14:9
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr] 14 |         assert_matches!(cursor.poll_write(ctx, &[3, 4]), Poll::Ready(Ok(2)));
Dec 07 16:08:29.499 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 07 16:08:29.499 INFO [stderr] 
Dec 07 16:08:29.499 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 07 16:08:29.499 INFO [stderr]   --> tests/cursor.rs:15:9
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr] 15 |         assert_matches!(cursor.poll_write(ctx, &[5, 6]), Poll::Ready(Ok(1)));
Dec 07 16:08:29.499 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 07 16:08:29.499 INFO [stderr] 
Dec 07 16:08:29.499 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 07 16:08:29.499 INFO [stderr]   --> tests/cursor.rs:16:9
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr] 16 |         assert_matches!(cursor.poll_write(ctx, &[6, 7]), Poll::Ready(Ok(0)));
Dec 07 16:08:29.499 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 07 16:08:29.499 INFO [stderr] 
Dec 07 16:08:29.499 INFO [stderr] error[E0425]: cannot find function `lazy` in this scope
Dec 07 16:08:29.499 INFO [stderr]   --> tests/cursor.rs:12:33
Dec 07 16:08:29.499 INFO [stderr]    |
Dec 07 16:08:29.499 INFO [stderr] 12 |     futures::executor::block_on(lazy(|ctx| {
Dec 07 16:08:29.499 INFO [stderr]    |                                 ^^^^ not found in this scope
Dec 07 16:08:29.499 INFO [stderr] 
Dec 07 16:08:29.500 INFO [stderr] error: aborting due to 10 previous errors
Dec 07 16:08:29.500 INFO [stderr] 
Dec 07 16:08:29.500 INFO [stderr] Some errors occurred: E0425, E0432, E0433.
Dec 07 16:08:29.500 INFO [stderr] For more information about an error, try `rustc --explain E0425`.
Dec 07 16:08:29.505 INFO [stderr] error: Could not compile `futures-io-preview`.
Dec 07 16:08:29.505 INFO [stderr] 
Dec 07 16:08:29.505 INFO [stderr] To learn more, run the command again with --verbose.
Dec 07 16:08:29.507 INFO [stderr] su: No module specific data is present
Dec 07 16:08:29.807 INFO running `"docker" "inspect" "cfbed2570343fb6364e7e7709f9dd4f559ec8ac9729478a70a47ca46632be339"`
Dec 07 16:08:29.983 INFO running `"docker" "rm" "-f" "cfbed2570343fb6364e7e7709f9dd4f559ec8ac9729478a70a47ca46632be339"`
Dec 07 16:08:30.089 INFO [stdout] cfbed2570343fb6364e7e7709f9dd4f559ec8ac9729478a70a47ca46632be339