[INFO] fetching crate generator 0.6.16...
[INFO] extracting crate generator 0.6.16 into work/ex/beta-1.37-6/sources/1.36.0/reg/generator/0.6.16
[INFO] extracting crate generator 0.6.16 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/generator/0.6.16
[INFO] validating manifest of generator-0.6.16 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of generator-0.6.16 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing generator-0.6.16
[INFO] finished frobbing generator-0.6.16
[INFO] frobbed toml for generator-0.6.16 written to work/ex/beta-1.37-6/sources/1.36.0/reg/generator/0.6.16/Cargo.toml
[INFO] started frobbing generator-0.6.16
[INFO] finished frobbing generator-0.6.16
[INFO] frobbed toml for generator-0.6.16 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/generator/0.6.16/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing generator-0.6.16 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/generator/0.6.16:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] be77d841fa9bf96a17aa2b94503bacfc34a1fdab52753c3696b2d6908834d5b3
[INFO] running `"docker" "start" "-a" "be77d841fa9bf96a17aa2b94503bacfc34a1fdab52753c3696b2d6908834d5b3"`
[INFO] [stderr]    Compiling generator v0.6.16 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "be77d841fa9bf96a17aa2b94503bacfc34a1fdab52753c3696b2d6908834d5b3"`
[INFO] running `"docker" "rm" "-f" "be77d841fa9bf96a17aa2b94503bacfc34a1fdab52753c3696b2d6908834d5b3"`
[INFO] [stdout] be77d841fa9bf96a17aa2b94503bacfc34a1fdab52753c3696b2d6908834d5b3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/generator/0.6.16:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 53ab9f79a51b63e0e1d73b452159387fb374c8b56e1f7d8bf9353105c3bf25b4
[INFO] running `"docker" "start" "-a" "53ab9f79a51b63e0e1d73b452159387fb374c8b56e1f7d8bf9353105c3bf25b4"`
[INFO] [stderr]    Compiling generator v0.6.16 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "53ab9f79a51b63e0e1d73b452159387fb374c8b56e1f7d8bf9353105c3bf25b4"`
[INFO] running `"docker" "rm" "-f" "53ab9f79a51b63e0e1d73b452159387fb374c8b56e1f7d8bf9353105c3bf25b4"`
[INFO] [stdout] 53ab9f79a51b63e0e1d73b452159387fb374c8b56e1f7d8bf9353105c3bf25b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/generator/0.6.16:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 26a8cd34d9f2c88f20ba375800a72bd2970f4163256b65065f777308b91ad987
[INFO] running `"docker" "start" "-a" "26a8cd34d9f2c88f20ba375800a72bd2970f4163256b65065f777308b91ad987"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/generator-fb1c618fe745d3dc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test reg_context::test::test_swap_context ... ok
[INFO] [stdout] test rt::test::test_is_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-596fe682bed7aa3e
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test generator_is_done ... ok
[INFO] [stdout] test generator_is_done1 ... ok
[INFO] [stdout] test test_ill_drop ... ok
[INFO] [stdout] test test_inner_ref ... ok
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test generator_is_done_with_drop ... ok
[INFO] [stdout] test test_re_init ... ok
[INFO] [stdout] test test_return ... ok
[INFO] [stdout] test test_scoped ... ok
[INFO] [stdout] test test_scope_gen ... ok
[INFO] [stdout] test test_scope_yield_from_send ... ok
[INFO] [stdout] test test_scoped_1 ... ok
[INFO] [stdout] test test_yield_from ... ok
[INFO] [stdout] test test_yield_a ... ok
[INFO] [stdout] test test_yield_from_send ... ok
[INFO] [stdout] test test_get_yield_type_error ... ok
[INFO] [stdout] test test_deep_yield_with_type_error ... ok
[INFO] [stdout] test test_panic_inside ... ok
[INFO] [stdout] test test_yield_with ... ok
[INFO] [stdout] test test_yield_from_functor_context ... ok
[INFO] [stdout] test test_yield_with_from_functor_context ... ok
[INFO] [stdout] test test_loop_drop ... ok
[INFO] [stdout] test test_yield_from_generator_context ... ok
[INFO] [stdout] test test_cancel ... ok
[INFO] [stdout] test test_yield_from_send_type_miss_match ... ok
[INFO] [stdout] test test_yield_with_type_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generator
[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" "26a8cd34d9f2c88f20ba375800a72bd2970f4163256b65065f777308b91ad987"`
[INFO] running `"docker" "rm" "-f" "26a8cd34d9f2c88f20ba375800a72bd2970f4163256b65065f777308b91ad987"`
[INFO] [stdout] 26a8cd34d9f2c88f20ba375800a72bd2970f4163256b65065f777308b91ad987