[INFO] crate amy 0.10.0 is already in cache
[INFO] testing amy-0.10.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate amy 0.10.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate amy 0.10.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate amy 0.10.0
[INFO] finished tweaking crates.io crate amy 0.10.0
[INFO] tweaked toml for crates.io crate amy 0.10.0 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] fe53ed9c9448d0a44942bdc513fb1561f5fc871f20aafabef3a551d9aa030bfd
[INFO] running `"docker" "start" "-a" "fe53ed9c9448d0a44942bdc513fb1561f5fc871f20aafabef3a551d9aa030bfd"`
[INFO] [stderr]    Compiling amy v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "fe53ed9c9448d0a44942bdc513fb1561f5fc871f20aafabef3a551d9aa030bfd"`
[INFO] running `"docker" "rm" "-f" "fe53ed9c9448d0a44942bdc513fb1561f5fc871f20aafabef3a551d9aa030bfd"`
[INFO] [stdout] fe53ed9c9448d0a44942bdc513fb1561f5fc871f20aafabef3a551d9aa030bfd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9ca27c6dcdbd7006853f8a0802ba4a34c312133a8d018782d84e0dd113d50e4a
[INFO] running `"docker" "start" "-a" "9ca27c6dcdbd7006853f8a0802ba4a34c312133a8d018782d84e0dd113d50e4a"`
[INFO] [stderr]    Compiling amy v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]    --> tests/channel_test.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     tx.try_send("b").is_err();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "9ca27c6dcdbd7006853f8a0802ba4a34c312133a8d018782d84e0dd113d50e4a"`
[INFO] running `"docker" "rm" "-f" "9ca27c6dcdbd7006853f8a0802ba4a34c312133a8d018782d84e0dd113d50e4a"`
[INFO] [stdout] 9ca27c6dcdbd7006853f8a0802ba4a34c312133a8d018782d84e0dd113d50e4a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e3f36383c40446eb417aa9d57714624cd51e13039fcb1cf9ec36402af91613ef
[INFO] running `"docker" "start" "-a" "e3f36383c40446eb417aa9d57714624cd51e13039fcb1cf9ec36402af91613ef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/amy-257b197e77436503
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test frame_reader::tests::partial_and_complete_reads ... ok
[INFO] [stdout] test frame_writer::tests::call_write_on_empty_frame_writer ... ok
[INFO] [stdout] test frame_writer::tests::call_write_on_empty_frame_writer_but_fill_writer_exactly ... ok
[INFO] [stdout] test line_reader::tests::static_buffer_partial_read_follow_by_complete_read ... ok
[INFO] [stdout] test line_reader::tests::static_buffer_single_read ... ok
[INFO] [stdout] test frame_writer::tests::write_until_full_reset_and_write_some_more ... ok
[INFO] [stdout] test frame_reader::tests::would_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/channel_test-77f2ba2517453939
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test send_after_receive_after_poll_followed_by_recv_wakes_poller_again ... ok
[INFO] [stdout] test send_poll_receive_twice_then_send_poll_receive_once ... ok
[INFO] [stdout] test multiple_sends_wake_poller_once ... ok
[INFO] [stdout] test send_after_receive_after_poll_followed_by_recv_until_err_doesnt_wake_polller_again ... ok
[INFO] [stdout] test send_before_poll_and_after_poll_but_before_recv_only_wakes_poller_once ... ok
[INFO] [stdout] test send_wakes_poller ... ok
[INFO] [stdout] test simple_sync_channel_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/edge_trigger_test-993f8028e067032a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test edge_trigger ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multithread_example-f67c57cd120a6224
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test primary_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/timer_test-2e02ab793f5c2f2a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_set_timeout ... ok
[INFO] [stdout] test test_set_interval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests amy
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e3f36383c40446eb417aa9d57714624cd51e13039fcb1cf9ec36402af91613ef"`
[INFO] running `"docker" "rm" "-f" "e3f36383c40446eb417aa9d57714624cd51e13039fcb1cf9ec36402af91613ef"`
[INFO] [stdout] e3f36383c40446eb417aa9d57714624cd51e13039fcb1cf9ec36402af91613ef