[INFO] crate streaming-iterator 0.1.5 is already in cache
[INFO] testing streaming-iterator-0.1.5 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate streaming-iterator 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate streaming-iterator 0.1.5 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb764ca9f3264c798f2e43dad6e9ea40c3c87a10724f186d3f096c1ab9d97c3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb764ca9f3264c798f2e43dad6e9ea40c3c87a10724f186d3f096c1ab9d97c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb764ca9f3264c798f2e43dad6e9ea40c3c87a10724f186d3f096c1ab9d97c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb764ca9f3264c798f2e43dad6e9ea40c3c87a10724f186d3f096c1ab9d97c3c", kill_on_drop: false }`
[INFO] [stdout] bb764ca9f3264c798f2e43dad6e9ea40c3c87a10724f186d3f096c1ab9d97c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e297d536ddc08074a52b1f0698d07c7b0aefd84539030ad399f755ca4860ad36
[INFO] running `Command { std: "docker" "start" "-a" "e297d536ddc08074a52b1f0698d07c7b0aefd84539030ad399f755ca4860ad36", kill_on_drop: false }`
[INFO] [stderr]    Compiling streaming-iterator v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "e297d536ddc08074a52b1f0698d07c7b0aefd84539030ad399f755ca4860ad36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e297d536ddc08074a52b1f0698d07c7b0aefd84539030ad399f755ca4860ad36", kill_on_drop: false }`
[INFO] [stdout] e297d536ddc08074a52b1f0698d07c7b0aefd84539030ad399f755ca4860ad36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e48def1158ed9fe9b1eb6311f9faf494fc158050ece7712558460ecdd7b86c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e48def1158ed9fe9b1eb6311f9faf494fc158050ece7712558460ecdd7b86c5", kill_on_drop: false }`
[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]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StreamingIterator<Item = ()>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "5e48def1158ed9fe9b1eb6311f9faf494fc158050ece7712558460ecdd7b86c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e48def1158ed9fe9b1eb6311f9faf494fc158050ece7712558460ecdd7b86c5", kill_on_drop: false }`
[INFO] [stdout] 5e48def1158ed9fe9b1eb6311f9faf494fc158050ece7712558460ecdd7b86c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f18a525dbcbe98cf2815879f64832a5608d9b43a068ccac2355ab7105107caf4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f18a525dbcbe98cf2815879f64832a5608d9b43a068ccac2355ab7105107caf4", kill_on_drop: false }`
[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]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StreamingIterator<Item = ()>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/streaming_iterator-3f6a3102c3f1e261
[INFO] [stdout] running 31 tests
[INFO] [stdout] test test::any ... ok
[INFO] [stdout] test test::all ... ok
[INFO] [stdout] test test::empty_iterator ... ok
[INFO] [stdout] test test::cloned ... ok
[INFO] [stdout] test test::find ... ok
[INFO] [stdout] test test::filter_map ... ok
[INFO] [stdout] test test::filter_map_deref ... ok
[INFO] [stdout] test test::count ... ok
[INFO] [stdout] test test::filter ... ok
[INFO] [stdout] test test::map_ref ... ok
[INFO] [stdout] test test::nth ... ok
[INFO] [stdout] test test::map ... ok
[INFO] [stdout] test test::map_deref ... ok
[INFO] [stdout] test test::inspect ... ok
[INFO] [stdout] test test::take ... ok
[INFO] [stdout] test test::fuse ... ok
[INFO] [stdout] test test::for_each ... ok
[INFO] [stdout] test test::flat_map ... ok
[INFO] [stdout] test test::take_while ... ok
[INFO] [stdout] test test::test_chain ... ok
[INFO] [stdout] test test::test_chain_back ... ok
[INFO] [stdout] test test::test_chain_mixed ... ok
[INFO] [stdout] test test::fold ... ok
[INFO] [stdout] test test::for_each_rev ... ok
[INFO] [stdout] test test::rfold ... ok
[INFO] [stdout] test test::test_convert ... ok
[INFO] [stdout] test test::skip_while ... ok
[INFO] [stdout] test test::rev ... ok
[INFO] [stdout] test test::position ... ok
[INFO] [stdout] test test::skip ... 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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests streaming-iterator
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 12) ... ignored
[INFO] [stdout] test src/lib.rs - (line 22) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f18a525dbcbe98cf2815879f64832a5608d9b43a068ccac2355ab7105107caf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18a525dbcbe98cf2815879f64832a5608d9b43a068ccac2355ab7105107caf4", kill_on_drop: false }`
[INFO] [stdout] f18a525dbcbe98cf2815879f64832a5608d9b43a068ccac2355ab7105107caf4