[INFO] fetching crate stream_generator 0.1.0...
[INFO] testing stream_generator-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate stream_generator 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stream_generator 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate stream_generator 0.1.0
[INFO] finished tweaking crates.io crate stream_generator 0.1.0
[INFO] tweaked toml for crates.io crate stream_generator 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] c7d82e17ffa81663df15c9f4697e9b99b5bc5800200d4df4932373a0995f742a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c7d82e17ffa81663df15c9f4697e9b99b5bc5800200d4df4932373a0995f742a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `"docker" "inspect" "c7d82e17ffa81663df15c9f4697e9b99b5bc5800200d4df4932373a0995f742a"`
[INFO] running `"docker" "rm" "-f" "c7d82e17ffa81663df15c9f4697e9b99b5bc5800200d4df4932373a0995f742a"`
[INFO] [stdout] c7d82e17ffa81663df15c9f4697e9b99b5bc5800200d4df4932373a0995f742a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c1dbf5ac025509a712a7719a9329edac7e0c57d460a9817b72980662789726db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c1dbf5ac025509a712a7719a9329edac7e0c57d460a9817b72980662789726db"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.96s
[INFO] running `"docker" "inspect" "c1dbf5ac025509a712a7719a9329edac7e0c57d460a9817b72980662789726db"`
[INFO] running `"docker" "rm" "-f" "c1dbf5ac025509a712a7719a9329edac7e0c57d460a9817b72980662789726db"`
[INFO] [stdout] c1dbf5ac025509a712a7719a9329edac7e0c57d460a9817b72980662789726db
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 002c7fb7d66e6621c7373794472d227277fbd0916cc7d09bf7007a74cc106bdd
[INFO] running `"docker" "start" "-a" "002c7fb7d66e6621c7373794472d227277fbd0916cc7d09bf7007a74cc106bdd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stream_generator-9c054af796edb1f5
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::yield_then_err ... ok
[INFO] [stdout] test tests::yield_single_value ... ok
[INFO] [stdout] test tests::convert_err ... ok
[INFO] [stdout] test tests::multi_try ... ok
[INFO] [stdout] test tests::empty_stream ... ok
[INFO] [stdout] test tests::return_stream ... ok
[INFO] [stdout] test tests::yield_multi_value ... ok
[INFO] [stdout] test tests::noop_stream ... ok
[INFO] [stdout] test tests::single_err ... ok
[INFO] [stdout] test tests::stream_in_stream ... ok
[INFO] [stdout] test tests::consume_channel ... ok
[INFO] [stdout] test tests::backpressure ... ok
[INFO] [stdout] test tests::borrow_self ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stream_generator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - generate_stream (line 34) ... ok
[INFO] [stdout] test src/lib.rs - generate_try_stream (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "002c7fb7d66e6621c7373794472d227277fbd0916cc7d09bf7007a74cc106bdd"`
[INFO] running `"docker" "rm" "-f" "002c7fb7d66e6621c7373794472d227277fbd0916cc7d09bf7007a74cc106bdd"`
[INFO] [stdout] 002c7fb7d66e6621c7373794472d227277fbd0916cc7d09bf7007a74cc106bdd