[INFO] fetching crate streaming-iterator 0.1.5...
[INFO] testing streaming-iterator-0.1.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate streaming-iterator 0.1.5 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate streaming-iterator 0.1.5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streaming-iterator 0.1.5
[INFO] finished tweaking crates.io crate streaming-iterator 0.1.5
[INFO] tweaked toml for crates.io crate streaming-iterator 0.1.5 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9db2df43cf3a9d31e3ff55491bea2d8c5474357d3fe73930d2af191dd2e8d165
[INFO] running `Command { std: "docker" "start" "-a" "9db2df43cf3a9d31e3ff55491bea2d8c5474357d3fe73930d2af191dd2e8d165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9db2df43cf3a9d31e3ff55491bea2d8c5474357d3fe73930d2af191dd2e8d165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db2df43cf3a9d31e3ff55491bea2d8c5474357d3fe73930d2af191dd2e8d165", kill_on_drop: false }`
[INFO] [stdout] 9db2df43cf3a9d31e3ff55491bea2d8c5474357d3fe73930d2af191dd2e8d165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf16e188cd2453df31c68bfd13ad8fb5f273abaeb5b438e6d6d77c4c1fcdc678
[INFO] running `Command { std: "docker" "start" "-a" "bf16e188cd2453df31c68bfd13ad8fb5f273abaeb5b438e6d6d77c4c1fcdc678", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling streaming-iterator v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "bf16e188cd2453df31c68bfd13ad8fb5f273abaeb5b438e6d6d77c4c1fcdc678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf16e188cd2453df31c68bfd13ad8fb5f273abaeb5b438e6d6d77c4c1fcdc678", kill_on_drop: false }`
[INFO] [stdout] bf16e188cd2453df31c68bfd13ad8fb5f273abaeb5b438e6d6d77c4c1fcdc678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e20770bb0e1650ac1835ea2f270ffda7308e3447e5e1dcf7fa16eb597df67c5f
[INFO] running `Command { std: "docker" "start" "-a" "e20770bb0e1650ac1835ea2f270ffda7308e3447e5e1dcf7fa16eb597df67c5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling streaming-iterator v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:2099:28
[INFO] [stdout]      |
[INFO] [stdout] 2099 |     fn _is_object_safe(_: &StreamingIterator<Item = ()>) {}
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 2099 -     fn _is_object_safe(_: &StreamingIterator<Item = ()>) {}
[INFO] [stdout] 2099 +     fn _is_object_safe(_: &dyn StreamingIterator<Item = ()>) {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "e20770bb0e1650ac1835ea2f270ffda7308e3447e5e1dcf7fa16eb597df67c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20770bb0e1650ac1835ea2f270ffda7308e3447e5e1dcf7fa16eb597df67c5f", kill_on_drop: false }`
[INFO] [stdout] e20770bb0e1650ac1835ea2f270ffda7308e3447e5e1dcf7fa16eb597df67c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddd786f795900e13b106c596acf74c4fd078d63a500148d70206068b6ca6c75b
[INFO] running `Command { std: "docker" "start" "-a" "ddd786f795900e13b106c596acf74c4fd078d63a500148d70206068b6ca6c75b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2099:28
[INFO] [stderr]      |
[INFO] [stderr] 2099 |     fn _is_object_safe(_: &StreamingIterator<Item = ()>) {}
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 2099 -     fn _is_object_safe(_: &StreamingIterator<Item = ()>) {}
[INFO] [stderr] 2099 +     fn _is_object_safe(_: &dyn StreamingIterator<Item = ()>) {}
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: `streaming-iterator` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/streaming_iterator-f42db81ce628a9be)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stderr]    Doc-tests streaming-iterator
[INFO] [stdout] test test::map_deref ... ok
[INFO] [stdout] test test::map ... ok
[INFO] [stdout] test test::map_ref ... ok
[INFO] [stdout] test test::nth ... ok
[INFO] [stdout] test test::empty_iterator ... ok
[INFO] [stdout] test test::find ... ok
[INFO] [stdout] test test::all ... ok
[INFO] [stdout] test test::cloned ... ok
[INFO] [stdout] test test::for_each_rev ... ok
[INFO] [stdout] test test::inspect ... ok
[INFO] [stdout] test test::for_each ... ok
[INFO] [stdout] test test::fold ... ok
[INFO] [stdout] test test::filter ... ok
[INFO] [stdout] test test::filter_map ... ok
[INFO] [stdout] test test::any ... ok
[INFO] [stdout] test test::count ... ok
[INFO] [stdout] test test::fuse ... ok
[INFO] [stdout] test test::filter_map_deref ... ok
[INFO] [stdout] test test::rfold ... ok
[INFO] [stdout] test test::rev ... ok
[INFO] [stdout] test test::take ... ok
[INFO] [stdout] test test::skip ... ok
[INFO] [stdout] test test::position ... ok
[INFO] [stdout] test test::take_while ... ok
[INFO] [stdout] test test::test_chain ... ok
[INFO] [stdout] test test::skip_while ... ok
[INFO] [stdout] test test::flat_map ... ok
[INFO] [stdout] test test::test_chain_back ... ok
[INFO] [stdout] test test::test_chain_mixed ... ok
[INFO] [stdout] test test::test_convert ... ok
[INFO] [stdout] test test::test_convert_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 12) ... ignored
[INFO] [stdout] test src/lib.rs - (line 22) - compile ... ok
[INFO] [stdout] test src/lib.rs - convert (line 512) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddd786f795900e13b106c596acf74c4fd078d63a500148d70206068b6ca6c75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd786f795900e13b106c596acf74c4fd078d63a500148d70206068b6ca6c75b", kill_on_drop: false }`
[INFO] [stdout] ddd786f795900e13b106c596acf74c4fd078d63a500148d70206068b6ca6c75b