Dec 18 16:19:39.393 INFO checking futures-io-preview-0.3.0-alpha.10 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:19:39.393 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/futures-io-preview/0.3.0-alpha.10:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:19:39.788 INFO [stdout] e614c9fd273ff677e2b436ee162a396098241c81978d042960497ff5687130ce
Dec 18 16:19:39.796 INFO running `"docker" "start" "-a" "e614c9fd273ff677e2b436ee162a396098241c81978d042960497ff5687130ce"`
Dec 18 16:19:42.125 INFO [stderr]     Checking futures-core-preview v0.3.0-alpha.10
Dec 18 16:19:42.540 INFO [stderr]     Checking futures-io-preview v0.3.0-alpha.10 (/opt/crater/workdir)
Dec 18 16:19:43.319 INFO [stderr] error[E0432]: unresolved import `assert_matches`
Dec 18 16:19:43.319 INFO [stderr]  --> tests/cursor.rs:3:5
Dec 18 16:19:43.319 INFO [stderr]   |
Dec 18 16:19:43.319 INFO [stderr] 3 | use assert_matches::assert_matches;
Dec 18 16:19:43.319 INFO [stderr]   |     ^^^^^^^^^^^^^^ use of undeclared type or module `assert_matches`
Dec 18 16:19:43.319 INFO [stderr] 
Dec 18 16:19:43.319 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 18 16:19:43.319 INFO [stderr]  --> tests/cursor.rs:5:5
Dec 18 16:19:43.319 INFO [stderr]   |
Dec 18 16:19:43.319 INFO [stderr] 5 | use futures::future::lazy;
Dec 18 16:19:43.319 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 18 16:19:43.319 INFO [stderr] 
Dec 18 16:19:43.319 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 18 16:19:43.319 INFO [stderr]  --> tests/cursor.rs:6:5
Dec 18 16:19:43.319 INFO [stderr]   |
Dec 18 16:19:43.319 INFO [stderr] 6 | use futures::io::AsyncWrite;
Dec 18 16:19:43.319 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 18 16:19:43.319 INFO [stderr] 
Dec 18 16:19:43.319 INFO [stderr] error[E0432]: unresolved import `futures`
Dec 18 16:19:43.319 INFO [stderr]  --> tests/cursor.rs:4:5
Dec 18 16:19:43.319 INFO [stderr]   |
Dec 18 16:19:43.319 INFO [stderr] 4 | use futures::Poll;
Dec 18 16:19:43.319 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 18 16:19:43.319 INFO [stderr] 
Dec 18 16:19:43.319 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 18 16:19:43.319 INFO [stderr]   --> tests/cursor.rs:12:5
Dec 18 16:19:43.319 INFO [stderr]    |
Dec 18 16:19:43.319 INFO [stderr] 12 |     futures::executor::block_on(lazy(|ctx| {
Dec 18 16:19:43.319 INFO [stderr]    |     ^^^^^^^ use of undeclared type or module `futures`
Dec 18 16:19:43.319 INFO [stderr] 
Dec 18 16:19:43.386 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 18 16:19:43.386 INFO [stderr]   --> tests/cursor.rs:13:9
Dec 18 16:19:43.386 INFO [stderr]    |
Dec 18 16:19:43.386 INFO [stderr] 13 |         assert_matches!(cursor.poll_write(ctx, &[1, 2]), Poll::Ready(Ok(2)));
Dec 18 16:19:43.387 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 18 16:19:43.387 INFO [stderr]    |
Dec 18 16:19:43.387 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 18 16:19:43.387 INFO [stderr] 
Dec 18 16:19:43.387 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 18 16:19:43.387 INFO [stderr]   --> tests/cursor.rs:14:9
Dec 18 16:19:43.387 INFO [stderr]    |
Dec 18 16:19:43.387 INFO [stderr] 14 |         assert_matches!(cursor.poll_write(ctx, &[3, 4]), Poll::Ready(Ok(2)));
Dec 18 16:19:43.387 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 18 16:19:43.387 INFO [stderr]    |
Dec 18 16:19:43.387 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 18 16:19:43.387 INFO [stderr] 
Dec 18 16:19:43.387 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 18 16:19:43.387 INFO [stderr]   --> tests/cursor.rs:15:9
Dec 18 16:19:43.387 INFO [stderr]    |
Dec 18 16:19:43.387 INFO [stderr] 15 |         assert_matches!(cursor.poll_write(ctx, &[5, 6]), Poll::Ready(Ok(1)));
Dec 18 16:19:43.387 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 18 16:19:43.387 INFO [stderr]    |
Dec 18 16:19:43.387 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 18 16:19:43.387 INFO [stderr] 
Dec 18 16:19:43.387 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 18 16:19:43.387 INFO [stderr]   --> tests/cursor.rs:16:9
Dec 18 16:19:43.387 INFO [stderr]    |
Dec 18 16:19:43.387 INFO [stderr] 16 |         assert_matches!(cursor.poll_write(ctx, &[6, 7]), Poll::Ready(Ok(0)));
Dec 18 16:19:43.387 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 18 16:19:43.387 INFO [stderr]    |
Dec 18 16:19:43.387 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 18 16:19:43.387 INFO [stderr] 
Dec 18 16:19:43.387 INFO [stderr] error[E0425]: cannot find function `lazy` in this scope
Dec 18 16:19:43.387 INFO [stderr]   --> tests/cursor.rs:12:33
Dec 18 16:19:43.387 INFO [stderr]    |
Dec 18 16:19:43.387 INFO [stderr] 12 |     futures::executor::block_on(lazy(|ctx| {
Dec 18 16:19:43.387 INFO [stderr]    |                                 ^^^^ not found in this scope
Dec 18 16:19:43.387 INFO [stderr] 
Dec 18 16:19:43.387 INFO [stderr] error: aborting due to 10 previous errors
Dec 18 16:19:43.387 INFO [stderr] 
Dec 18 16:19:43.387 INFO [stderr] Some errors occurred: E0425, E0432, E0433.
Dec 18 16:19:43.387 INFO [stderr] For more information about an error, try `rustc --explain E0425`.
Dec 18 16:19:43.396 INFO [stderr] error: Could not compile `futures-io-preview`.
Dec 18 16:19:43.396 INFO [stderr] 
Dec 18 16:19:43.396 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 16:19:43.788 INFO running `"docker" "inspect" "e614c9fd273ff677e2b436ee162a396098241c81978d042960497ff5687130ce"`
Dec 18 16:19:43.932 INFO running `"docker" "rm" "-f" "e614c9fd273ff677e2b436ee162a396098241c81978d042960497ff5687130ce"`
Dec 18 16:19:44.087 INFO [stdout] e614c9fd273ff677e2b436ee162a396098241c81978d042960497ff5687130ce