Dec 07 16:08:25.677 INFO testing futures-io-preview-0.3.0-alpha.10 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 16:08:25.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 16:08:25.963 INFO [stdout] e54972bb54b06749e57435ee0492d792fad40c6c922e8ee2fec9f4b1ea855c40
Dec 07 16:08:25.966 INFO running `"docker" "start" "-a" "e54972bb54b06749e57435ee0492d792fad40c6c922e8ee2fec9f4b1ea855c40"`
Dec 07 16:08:26.525 INFO [stderr] usermod: no changes
Dec 07 16:08:26.579 INFO [stderr]    Compiling futures-io-preview v0.3.0-alpha.10 (/source)
Dec 07 16:08:27.262 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 07 16:08:27.265 INFO [stderr] su: No module specific data is present
Dec 07 16:08:27.523 INFO running `"docker" "inspect" "e54972bb54b06749e57435ee0492d792fad40c6c922e8ee2fec9f4b1ea855c40"`
Dec 07 16:08:27.597 INFO running `"docker" "rm" "-f" "e54972bb54b06749e57435ee0492d792fad40c6c922e8ee2fec9f4b1ea855c40"`
Dec 07 16:08:27.720 INFO [stdout] e54972bb54b06749e57435ee0492d792fad40c6c922e8ee2fec9f4b1ea855c40
Dec 07 16:08:27.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 16:08:27.923 INFO [stdout] a1810b7224bee110d63373763a29d96d9719af69ffe0f8c4fcd99e6102b75168
Dec 07 16:08:27.925 INFO running `"docker" "start" "-a" "a1810b7224bee110d63373763a29d96d9719af69ffe0f8c4fcd99e6102b75168"`
Dec 07 16:08:28.386 INFO [stderr] usermod: no changes
Dec 07 16:08:28.425 INFO [stderr]    Compiling futures-io-preview v0.3.0-alpha.10 (/source)
Dec 07 16:08:29.404 INFO [stderr] error[E0432]: unresolved import `assert_matches`
Dec 07 16:08:29.404 INFO [stderr]  --> tests/cursor.rs:3:5
Dec 07 16:08:29.404 INFO [stderr]   |
Dec 07 16:08:29.404 INFO [stderr] 3 | use assert_matches::assert_matches;
Dec 07 16:08:29.404 INFO [stderr]   |     ^^^^^^^^^^^^^^ use of undeclared type or module `assert_matches`
Dec 07 16:08:29.404 INFO [stderr] 
Dec 07 16:08:29.404 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 07 16:08:29.404 INFO [stderr]  --> tests/cursor.rs:5:5
Dec 07 16:08:29.404 INFO [stderr]   |
Dec 07 16:08:29.404 INFO [stderr] 5 | use futures::future::lazy;
Dec 07 16:08:29.404 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 07 16:08:29.404 INFO [stderr] 
Dec 07 16:08:29.405 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 07 16:08:29.405 INFO [stderr]  --> tests/cursor.rs:6:5
Dec 07 16:08:29.405 INFO [stderr]   |
Dec 07 16:08:29.405 INFO [stderr] 6 | use futures::io::AsyncWrite;
Dec 07 16:08:29.405 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 07 16:08:29.405 INFO [stderr] 
Dec 07 16:08:29.405 INFO [stderr] error[E0432]: unresolved import `futures`
Dec 07 16:08:29.405 INFO [stderr]  --> tests/cursor.rs:4:5
Dec 07 16:08:29.405 INFO [stderr]   |
Dec 07 16:08:29.405 INFO [stderr] 4 | use futures::Poll;
Dec 07 16:08:29.405 INFO [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
Dec 07 16:08:29.405 INFO [stderr] 
Dec 07 16:08:29.405 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
Dec 07 16:08:29.405 INFO [stderr]   --> tests/cursor.rs:12:5
Dec 07 16:08:29.405 INFO [stderr]    |
Dec 07 16:08:29.405 INFO [stderr] 12 |     futures::executor::block_on(lazy(|ctx| {
Dec 07 16:08:29.405 INFO [stderr]    |     ^^^^^^^ use of undeclared type or module `futures`
Dec 07 16:08:29.405 INFO [stderr] 
Dec 07 16:08:29.481 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 07 16:08:29.481 INFO [stderr]   --> tests/cursor.rs:13:9
Dec 07 16:08:29.481 INFO [stderr]    |
Dec 07 16:08:29.481 INFO [stderr] 13 |         assert_matches!(cursor.poll_write(ctx, &[1, 2]), Poll::Ready(Ok(2)));
Dec 07 16:08:29.481 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 07 16:08:29.481 INFO [stderr]    |
Dec 07 16:08:29.481 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 07 16:08:29.481 INFO [stderr] 
Dec 07 16:08:29.481 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 07 16:08:29.481 INFO [stderr]   --> tests/cursor.rs:14:9
Dec 07 16:08:29.481 INFO [stderr]    |
Dec 07 16:08:29.481 INFO [stderr] 14 |         assert_matches!(cursor.poll_write(ctx, &[3, 4]), Poll::Ready(Ok(2)));
Dec 07 16:08:29.481 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 07 16:08:29.481 INFO [stderr]    |
Dec 07 16:08:29.481 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 07 16:08:29.481 INFO [stderr] 
Dec 07 16:08:29.481 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 07 16:08:29.481 INFO [stderr]   --> tests/cursor.rs:15:9
Dec 07 16:08:29.482 INFO [stderr]    |
Dec 07 16:08:29.482 INFO [stderr] 15 |         assert_matches!(cursor.poll_write(ctx, &[5, 6]), Poll::Ready(Ok(1)));
Dec 07 16:08:29.482 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 07 16:08:29.482 INFO [stderr]    |
Dec 07 16:08:29.482 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 07 16:08:29.482 INFO [stderr] 
Dec 07 16:08:29.482 INFO [stderr] error: cannot determine resolution for the macro `assert_matches`
Dec 07 16:08:29.482 INFO [stderr]   --> tests/cursor.rs:16:9
Dec 07 16:08:29.482 INFO [stderr]    |
Dec 07 16:08:29.482 INFO [stderr] 16 |         assert_matches!(cursor.poll_write(ctx, &[6, 7]), Poll::Ready(Ok(0)));
Dec 07 16:08:29.482 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 07 16:08:29.482 INFO [stderr]    |
Dec 07 16:08:29.482 INFO [stderr]    = note: import resolution is stuck, try simplifying macro imports
Dec 07 16:08:29.482 INFO [stderr] 
Dec 07 16:08:29.482 INFO [stderr] error[E0425]: cannot find function `lazy` in this scope
Dec 07 16:08:29.482 INFO [stderr]   --> tests/cursor.rs:12:33
Dec 07 16:08:29.482 INFO [stderr]    |
Dec 07 16:08:29.482 INFO [stderr] 12 |     futures::executor::block_on(lazy(|ctx| {
Dec 07 16:08:29.482 INFO [stderr]    |                                 ^^^^ not found in this scope
Dec 07 16:08:29.482 INFO [stderr] 
Dec 07 16:08:29.482 INFO [stderr] error: aborting due to 10 previous errors
Dec 07 16:08:29.482 INFO [stderr] 
Dec 07 16:08:29.482 INFO [stderr] Some errors occurred: E0425, E0432, E0433.
Dec 07 16:08:29.482 INFO [stderr] For more information about an error, try `rustc --explain E0425`.
Dec 07 16:08:29.485 INFO [stderr] error: Could not compile `futures-io-preview`.
Dec 07 16:08:29.485 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 07 16:08:29.502 INFO [stderr] error: build failed
Dec 07 16:08:29.503 INFO [stderr] su: No module specific data is present
Dec 07 16:08:29.809 INFO running `"docker" "inspect" "a1810b7224bee110d63373763a29d96d9719af69ffe0f8c4fcd99e6102b75168"`
Dec 07 16:08:29.984 INFO running `"docker" "rm" "-f" "a1810b7224bee110d63373763a29d96d9719af69ffe0f8c4fcd99e6102b75168"`
Dec 07 16:08:30.073 INFO [stdout] a1810b7224bee110d63373763a29d96d9719af69ffe0f8c4fcd99e6102b75168