[INFO] fetching crate streaming-iterator 0.1.5...
[INFO] testing streaming-iterator-0.1.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate streaming-iterator 0.1.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate streaming-iterator 0.1.5 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a77b46ef175c677e822876db57d333c790d826f386d938d6a23958076fef34e1
[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" "a77b46ef175c677e822876db57d333c790d826f386d938d6a23958076fef34e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a77b46ef175c677e822876db57d333c790d826f386d938d6a23958076fef34e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77b46ef175c677e822876db57d333c790d826f386d938d6a23958076fef34e1", kill_on_drop: false }`
[INFO] [stdout] a77b46ef175c677e822876db57d333c790d826f386d938d6a23958076fef34e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 295413f7927d9f3b4436696536f94acf1ca91fe4579dc74ba1534e2453ca26cd
[INFO] running `Command { std: "docker" "start" "-a" "295413f7927d9f3b4436696536f94acf1ca91fe4579dc74ba1534e2453ca26cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling streaming-iterator v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "295413f7927d9f3b4436696536f94acf1ca91fe4579dc74ba1534e2453ca26cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295413f7927d9f3b4436696536f94acf1ca91fe4579dc74ba1534e2453ca26cd", kill_on_drop: false }`
[INFO] [stdout] 295413f7927d9f3b4436696536f94acf1ca91fe4579dc74ba1534e2453ca26cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6244abad73e5b8f1ac21f12840a5aa11913f00b88051e781ee62964c2914433d
[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" "6244abad73e5b8f1ac21f12840a5aa11913f00b88051e781ee62964c2914433d", 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] [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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.87s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6244abad73e5b8f1ac21f12840a5aa11913f00b88051e781ee62964c2914433d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6244abad73e5b8f1ac21f12840a5aa11913f00b88051e781ee62964c2914433d", kill_on_drop: false }`
[INFO] [stdout] 6244abad73e5b8f1ac21f12840a5aa11913f00b88051e781ee62964c2914433d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8cf4d9e8427c847b15990e7f87b35c9b6840ae73e2644cb6ef29bf37e7caf67
[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" "f8cf4d9e8427c847b15990e7f87b35c9b6840ae73e2644cb6ef29bf37e7caf67", 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/streaming_iterator-45242580b0cc1f38
[INFO] [stdout] running 31 tests
[INFO] [stdout] test test::cloned ... ok
[INFO] [stdout] test test::any ... ok
[INFO] [stdout] test test::all ... ok
[INFO] [stdout] test test::empty_iterator ... ok
[INFO] [stdout] test test::count ... ok
[INFO] [stdout] test test::filter_map ... ok
[INFO] [stdout] test test::map ... ok
[INFO] [stdout] test test::map_deref ... ok
[INFO] [stdout] test test::map_ref ... ok
[INFO] [stdout] test test::nth ... ok
[INFO] [stdout] test test::inspect ... ok
[INFO] [stdout] test test::position ... ok
[INFO] [stdout] test test::rev ... ok
[INFO] [stdout] test test::fuse ... ok
[INFO] [stdout] test test::flat_map ... ok
[INFO] [stdout] test test::skip ... ok
[INFO] [stdout] test test::skip_while ... ok
[INFO] [stdout] test test::take ... ok
[INFO] [stdout] test test::test_convert_ref ... ok
[INFO] [stdout] test test::find ... ok
[INFO] [stdout] test test::filter_map_deref ... ok
[INFO] [stdout] test test::rfold ... ok
[INFO] [stdout] test test::test_convert ... ok
[INFO] [stdout] test test::test_chain ... ok
[INFO] [stdout] test test::test_chain_mixed ... ok
[INFO] [stdout] test test::test_chain_back ... ok
[INFO] [stdout] test test::take_while ... ok
[INFO] [stdout] test test::for_each_rev ... ok
[INFO] [stdout] test test::fold ... ok
[INFO] [stdout] test test::for_each ... ok
[INFO] [stdout] test test::filter ... 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" "f8cf4d9e8427c847b15990e7f87b35c9b6840ae73e2644cb6ef29bf37e7caf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8cf4d9e8427c847b15990e7f87b35c9b6840ae73e2644cb6ef29bf37e7caf67", kill_on_drop: false }`
[INFO] [stdout] f8cf4d9e8427c847b15990e7f87b35c9b6840ae73e2644cb6ef29bf37e7caf67