[INFO] fetching crate mdo-future 0.2.0...
[INFO] testing mdo-future-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mdo-future 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mdo-future 0.2.0 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 mdo-future 0.2.0
[INFO] finished tweaking crates.io crate mdo-future 0.2.0
[INFO] tweaked toml for crates.io crate mdo-future 0.2.0 written to /workspace/builds/worker-6/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mdo v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3b1bada57d5fbc59bbb2e21e2b396f9bb9b2317ccc0a4c8c6b83aaa5f264fee4
[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" "3b1bada57d5fbc59bbb2e21e2b396f9bb9b2317ccc0a4c8c6b83aaa5f264fee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1bada57d5fbc59bbb2e21e2b396f9bb9b2317ccc0a4c8c6b83aaa5f264fee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1bada57d5fbc59bbb2e21e2b396f9bb9b2317ccc0a4c8c6b83aaa5f264fee4", kill_on_drop: false }`
[INFO] [stdout] 3b1bada57d5fbc59bbb2e21e2b396f9bb9b2317ccc0a4c8c6b83aaa5f264fee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 802778ebfdc4b61d6fd9a579128dd70fc1da1bf39841630a19c4c70756fa76a9
[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" "802778ebfdc4b61d6fd9a579128dd70fc1da1bf39841630a19c4c70756fa76a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdo-future v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "802778ebfdc4b61d6fd9a579128dd70fc1da1bf39841630a19c4c70756fa76a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802778ebfdc4b61d6fd9a579128dd70fc1da1bf39841630a19c4c70756fa76a9", kill_on_drop: false }`
[INFO] [stdout] 802778ebfdc4b61d6fd9a579128dd70fc1da1bf39841630a19c4c70756fa76a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cfc70e9e68f65f3fc55f9f3f8bfe21f5d4850ba8904405f57aba16153481a58d
[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" "cfc70e9e68f65f3fc55f9f3f8bfe21f5d4850ba8904405f57aba16153481a58d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdo v0.3.0
[INFO] [stderr]    Compiling mdo-future v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `futures::stream::BoxStream`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:161:46
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn stream_range(start: u32, end: u32) -> stream::BoxStream<u32, String> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::stream::iter`: implementation moved to `iter_ok` and `iter_result`
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         stream::iter((start..end).map(Ok::<u32, String>)).boxed()
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Stream::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:162:59
[INFO] [stdout]     |
[INFO] [stdout] 162 |         stream::iter((start..end).map(Ok::<u32, String>)).boxed()
[INFO] [stdout]     |                                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "cfc70e9e68f65f3fc55f9f3f8bfe21f5d4850ba8904405f57aba16153481a58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc70e9e68f65f3fc55f9f3f8bfe21f5d4850ba8904405f57aba16153481a58d", kill_on_drop: false }`
[INFO] [stdout] cfc70e9e68f65f3fc55f9f3f8bfe21f5d4850ba8904405f57aba16153481a58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1719bfaecd144422b7f19543de008f7ee1e282563ba105300cf440be8b8195ff
[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" "1719bfaecd144422b7f19543de008f7ee1e282563ba105300cf440be8b8195ff", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated type alias `futures::stream::BoxStream`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:161:46
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn stream_range(start: u32, end: u32) -> stream::BoxStream<u32, String> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `futures::stream::iter`: implementation moved to `iter_ok` and `iter_result`
[INFO] [stderr]    --> src/lib.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         stream::iter((start..end).map(Ok::<u32, String>)).boxed()
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Stream::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:162:59
[INFO] [stderr]     |
[INFO] [stderr] 162 |         stream::iter((start..end).map(Ok::<u32, String>)).boxed()
[INFO] [stderr]     |                                                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdo_future-ed562bf31c4759a8
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::future_mdo ... ok
[INFO] [stdout] test tests::stream_ignore ... ok
[INFO] [stdout] test tests::stream_bind ... ok
[INFO] [stdout] test tests::stream_mdo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdo-future
[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 `Command { std: "docker" "inspect" "1719bfaecd144422b7f19543de008f7ee1e282563ba105300cf440be8b8195ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1719bfaecd144422b7f19543de008f7ee1e282563ba105300cf440be8b8195ff", kill_on_drop: false }`
[INFO] [stdout] 1719bfaecd144422b7f19543de008f7ee1e282563ba105300cf440be8b8195ff