[INFO] fetching crate streamify 0.1.0...
[INFO] testing streamify-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate streamify 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate streamify 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streamify 0.1.0
[INFO] finished tweaking crates.io crate streamify 0.1.0
[INFO] tweaked toml for crates.io crate streamify 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] d214b23a715605091f2dffc486ca204a8f1eda879fc653e3f02c9e3d81c59bb6
[INFO] running `Command { std: "docker" "start" "-a" "d214b23a715605091f2dffc486ca204a8f1eda879fc653e3f02c9e3d81c59bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d214b23a715605091f2dffc486ca204a8f1eda879fc653e3f02c9e3d81c59bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d214b23a715605091f2dffc486ca204a8f1eda879fc653e3f02c9e3d81c59bb6", kill_on_drop: false }`
[INFO] [stdout] d214b23a715605091f2dffc486ca204a8f1eda879fc653e3f02c9e3d81c59bb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4293e0e1de2ab7dd612210a7c792a36e9b626d7697343c8722c31ef0fca5a39
[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" "e4293e0e1de2ab7dd612210a7c792a36e9b626d7697343c8722c31ef0fca5a39", kill_on_drop: false }`
[INFO] [stderr]    Compiling streamify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "e4293e0e1de2ab7dd612210a7c792a36e9b626d7697343c8722c31ef0fca5a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4293e0e1de2ab7dd612210a7c792a36e9b626d7697343c8722c31ef0fca5a39", kill_on_drop: false }`
[INFO] [stdout] e4293e0e1de2ab7dd612210a7c792a36e9b626d7697343c8722c31ef0fca5a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c9839c75e8c901c54b421b5cf36fe0db690c93cc034935910dbbfbb5184c4a0
[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" "1c9839c75e8c901c54b421b5cf36fe0db690c93cc034935910dbbfbb5184c4a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling streamify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]  --> tests/streamify.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let stream = streamify::from_future(fut);
[INFO] [stdout]   |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> tests/streamify.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let stream = streamify::from_any(val);
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> tests/streamify.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |   let stream = streamify::from_any(val);
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "1c9839c75e8c901c54b421b5cf36fe0db690c93cc034935910dbbfbb5184c4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9839c75e8c901c54b421b5cf36fe0db690c93cc034935910dbbfbb5184c4a0", kill_on_drop: false }`
[INFO] [stdout] 1c9839c75e8c901c54b421b5cf36fe0db690c93cc034935910dbbfbb5184c4a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22b3770ff6d30cabe6e68564c71a69a5d9436f57cd5ed8062ea2af13a3ed3f6c
[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" "22b3770ff6d30cabe6e68564c71a69a5d9436f57cd5ed8062ea2af13a3ed3f6c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]  --> tests/streamify.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let stream = streamify::from_future(fut);
[INFO] [stderr]   |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> tests/streamify.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 |   let stream = streamify::from_any(val);
[INFO] [stderr]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> tests/streamify.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 |   let stream = streamify::from_any(val);
[INFO] [stderr]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[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/streamify-88e3b1d64de01530
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/streamify-43ff445fb89088e0
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test streamify_any_value ... ok
[INFO] [stdout] test streamify_a_future ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests streamify
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22b3770ff6d30cabe6e68564c71a69a5d9436f57cd5ed8062ea2af13a3ed3f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b3770ff6d30cabe6e68564c71a69a5d9436f57cd5ed8062ea2af13a3ed3f6c", kill_on_drop: false }`
[INFO] [stdout] 22b3770ff6d30cabe6e68564c71a69a5d9436f57cd5ed8062ea2af13a3ed3f6c