[INFO] updating cached repository yuezato/fibers_extra
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yuezato/fibers_extra
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yuezato/fibers_extra" "work/ex/beta-1.38-1/sources/1.37.0/gh/yuezato/fibers_extra"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yuezato/fibers_extra'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yuezato/fibers_extra" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yuezato/fibers_extra"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yuezato/fibers_extra'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 564b18d37e6098071b1cbffc0181778f0de63667
[INFO] sha for GitHub repo yuezato/fibers_extra: 564b18d37e6098071b1cbffc0181778f0de63667
[INFO] validating manifest of yuezato/fibers_extra on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yuezato/fibers_extra on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yuezato/fibers_extra
[INFO] finished frobbing yuezato/fibers_extra
[INFO] frobbed toml for yuezato/fibers_extra written to work/ex/beta-1.38-1/sources/1.37.0/gh/yuezato/fibers_extra/Cargo.toml
[INFO] started frobbing yuezato/fibers_extra
[INFO] finished frobbing yuezato/fibers_extra
[INFO] frobbed toml for yuezato/fibers_extra written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yuezato/fibers_extra/Cargo.toml
[INFO] crate yuezato/fibers_extra already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing yuezato/fibers_extra against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yuezato/fibers_extra:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 648894d7b9d4fd389d6e5f9e8aa83047f92c232bca73f4c74981a6bd2abfbb7f
[INFO] running `"docker" "start" "-a" "648894d7b9d4fd389d6e5f9e8aa83047f92c232bca73f4c74981a6bd2abfbb7f"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling fibers v0.1.12
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]    Compiling trackable v0.2.21
[INFO] [stderr]    Compiling fibers_extra v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.22s
[INFO] running `"docker" "inspect" "648894d7b9d4fd389d6e5f9e8aa83047f92c232bca73f4c74981a6bd2abfbb7f"`
[INFO] running `"docker" "rm" "-f" "648894d7b9d4fd389d6e5f9e8aa83047f92c232bca73f4c74981a6bd2abfbb7f"`
[INFO] [stdout] 648894d7b9d4fd389d6e5f9e8aa83047f92c232bca73f4c74981a6bd2abfbb7f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yuezato/fibers_extra:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bc8a8c3bfb7a39993e47ea74c09f91dc9744d79bafca0c6b66ab1f8d2f116b28
[INFO] running `"docker" "start" "-a" "bc8a8c3bfb7a39993e47ea74c09f91dc9744d79bafca0c6b66ab1f8d2f116b28"`
[INFO] [stderr]    Compiling fibers_extra v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parallel_executor.rs:412:24
[INFO] [stderr]     |
[INFO] [stderr] 412 |         generator: Box<Fn() -> TestFuture + Send + 'static>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> TestFuture + Send + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `"docker" "inspect" "bc8a8c3bfb7a39993e47ea74c09f91dc9744d79bafca0c6b66ab1f8d2f116b28"`
[INFO] running `"docker" "rm" "-f" "bc8a8c3bfb7a39993e47ea74c09f91dc9744d79bafca0c6b66ab1f8d2f116b28"`
[INFO] [stdout] bc8a8c3bfb7a39993e47ea74c09f91dc9744d79bafca0c6b66ab1f8d2f116b28
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yuezato/fibers_extra:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 20714cd5a3f56c9833ce9d538e0bdf73feec8e0ca5b0e82ac4e6dce229a027c1
[INFO] running `"docker" "start" "-a" "20714cd5a3f56c9833ce9d538e0bdf73feec8e0ca5b0e82ac4e6dce229a027c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fibers_extra-c19e24be72345cd6
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test parallel_executor::tests::parallel_executor_as_map ... ok
[INFO] [stdout] test collector::tests::collect_test1 ... ok
[INFO] [stdout] test parallel_executor::tests::one_level_parallel_executor_with_error ... ok
[INFO] [stdout] test parallel_executor::tests::check_concurrency_level4_works ... ok
[INFO] [stdout] test parallel_executor::tests::two_level_parallel_executor_with_errors3 ... ok
[INFO] [stdout] test parallel_executor::tests::two_level_parallel_executor_with_errors2 ... ok
[INFO] [stdout] test parallel_executor::tests::two_level_parallel_executor_with_errors1 ... ok
[INFO] [stdout] test parallel_executor::tests::two_level_parallel_executor_works2 ... ok
[INFO] [stdout] test parallel_executor::tests::check_concurrency_level1_works ... ok
[INFO] [stdout] test parallel_executor::tests::two_level_parallel_executor_works1 ... ok
[INFO] [stdout] test parallel_executor::tests::two_level_parallel_executor_works3 ... ok
[INFO] [stdout] test parallel_executor::tests::two_level_parallel_executor_works4 ... ok
[INFO] [stdout] test parallel_executor::tests::two_level_parallel_executor_works5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fibers_extra-b85f5ca5044d5e25
[INFO] [stderr]    Doc-tests fibers_extra
[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] [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" "20714cd5a3f56c9833ce9d538e0bdf73feec8e0ca5b0e82ac4e6dce229a027c1"`
[INFO] running `"docker" "rm" "-f" "20714cd5a3f56c9833ce9d538e0bdf73feec8e0ca5b0e82ac4e6dce229a027c1"`
[INFO] [stdout] 20714cd5a3f56c9833ce9d538e0bdf73feec8e0ca5b0e82ac4e6dce229a027c1