[INFO] fetching crate futures-rx 0.2.1...
[INFO] testing futures-rx-0.2.1 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] extracting crate futures-rx 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate futures-rx 0.2.1
[INFO] finished tweaking crates.io crate futures-rx 0.2.1
[INFO] tweaked toml for crates.io crate futures-rx 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-rx 0.2.1 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate futures-rx 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fc0fe6d2cb3287dd67efd81d476338a90d46e9c475a47471385b21289fee482
[INFO] running `Command { std: "docker" "start" "-a" "0fc0fe6d2cb3287dd67efd81d476338a90d46e9c475a47471385b21289fee482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc0fe6d2cb3287dd67efd81d476338a90d46e9c475a47471385b21289fee482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc0fe6d2cb3287dd67efd81d476338a90d46e9c475a47471385b21289fee482", kill_on_drop: false }`
[INFO] [stdout] 0fc0fe6d2cb3287dd67efd81d476338a90d46e9c475a47471385b21289fee482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a947b2f74e68230d2320a2620ad762980acb086f82459eda663b22f9deb9451
[INFO] running `Command { std: "docker" "start" "-a" "8a947b2f74e68230d2320a2620ad762980acb086f82459eda663b22f9deb9451", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling futures-rx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "8a947b2f74e68230d2320a2620ad762980acb086f82459eda663b22f9deb9451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a947b2f74e68230d2320a2620ad762980acb086f82459eda663b22f9deb9451", kill_on_drop: false }`
[INFO] [stdout] 8a947b2f74e68230d2320a2620ad762980acb086f82459eda663b22f9deb9451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 873153f0ab116db8eb68ccf5864b2a579980246d81121e92ead40fd1d16908ac
[INFO] running `Command { std: "docker" "start" "-a" "873153f0ab116db8eb68ccf5864b2a579980246d81121e92ead40fd1d16908ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-time v3.0.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling futures-rx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.47s
[INFO] running `Command { std: "docker" "inspect" "873153f0ab116db8eb68ccf5864b2a579980246d81121e92ead40fd1d16908ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873153f0ab116db8eb68ccf5864b2a579980246d81121e92ead40fd1d16908ac", kill_on_drop: false }`
[INFO] [stdout] 873153f0ab116db8eb68ccf5864b2a579980246d81121e92ead40fd1d16908ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8a9b4327b8c9becf4568789a0fd1300ac4fb5b7a33dcb81f000e5a9d7fe6dc6
[INFO] running `Command { std: "docker" "start" "-a" "e8a9b4327b8c9becf4568789a0fd1300ac4fb5b7a33dcb81f000e5a9d7fe6dc6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_rx-a1c1974e2fd11846)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test stream::rx::zip::test ... ok
[INFO] [stdout] test stream_ext::buffer::test::smoke ... ok
[INFO] [stdout] test stream::rx::combine_latest::test ... ok
[INFO] [stdout] test stream_ext::distinct::test::smoke ... ok
[INFO] [stdout] test stream_ext::distinct_until_changed::test::smoke ... ok
[INFO] [stdout] test stream_ext::materialize::test::smoke ... ok
[INFO] [stdout] test stream_ext::share::test::smoke ... ok
[INFO] [stdout] test stream_ext::start_with::test::smoke ... ok
[INFO] [stdout] test stream_ext::window::test::smoke ... ok
[INFO] [stdout] test subject::behavior_subject::test::can_get_value ... ok
[INFO] [stdout] test subject::behavior_subject::test::can_subscribe_multiple_times ... ok
[INFO] [stdout] test subject::behavior_subject::test::replays_latest_event ... ok
[INFO] [stdout] test subject::publish_subject::test::err_event_ownership ... ok
[INFO] [stdout] test subject::publish_subject::test::ok_event_ownership ... ok
[INFO] [stdout] test subject::publish_subject::test::subscribe_after_events ... ok
[INFO] [stdout] test subject::replay_subject::test::can_subscribe_multiple_times ... ok
[INFO] [stdout] test subject::replay_subject::test::replays_latest_events ... ok
[INFO] [stdout] test stream_ext::end_with::test::smoke ... ok
[INFO] [stdout] test stream_ext::pairwise::test::smoke ... ok
[INFO] [stdout] test stream_ext::inspect_done::test::smoke ... ok
[INFO] [stdout] test stream_ext::race::test::smoke ... ok
[INFO] [stdout] test stream_ext::switch_map::test::smoke ... ok
[INFO] [stdout] test subject::publish_subject::test::subscribe_before_events ... ok
[INFO] [stdout] test stream_ext::dematerialize::test::smoke ... ok
[INFO] [stdout] test subject::publish_subject::test::can_create_events ... ok
[INFO] [stdout] test stream_ext::delay::test::smoke ... ok
[INFO] [stdout] test stream_ext::delay_every::test::smoke ... ok
[INFO] [stdout] test stream_ext::sample::test::smoke ... ok
[INFO] [stdout] test stream_ext::timing::test::smoke ... ok
[INFO] [stdout] test stream_ext::debounce::test::smoke ... ok
[INFO] [stderr]    Doc-tests futures_rx
[INFO] [stdout] test stream_ext::throttle::test::smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.52s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::switch_map (line 263) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::inspect_done (line 698) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::buffer (line 392) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::end_with (line 113) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::share_replay (line 224) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::delay_every (line 622) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::delay (line 592) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::materialize (line 527) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::distinct_until_changed (line 498) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::start_with (line 86) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::race (line 58) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::share_behavior (line 177) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::share (line 143) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::dematerialize (line 565) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::distinct (line 469) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::pairwise (line 295) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::with_latest_from (line 654) ... ok
[INFO] [stdout] test src/stream_ext.rs - stream_ext::RxExt::window (line 438) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8a9b4327b8c9becf4568789a0fd1300ac4fb5b7a33dcb81f000e5a9d7fe6dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a9b4327b8c9becf4568789a0fd1300ac4fb5b7a33dcb81f000e5a9d7fe6dc6", kill_on_drop: false }`
[INFO] [stdout] e8a9b4327b8c9becf4568789a0fd1300ac4fb5b7a33dcb81f000e5a9d7fe6dc6