[INFO] fetching crate flo_stream 0.7.1... [INFO] testing flo_stream-0.7.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate flo_stream 0.7.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate flo_stream 0.7.1 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate flo_stream 0.7.1 [INFO] tweaked toml for crates.io crate flo_stream 0.7.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate flo_stream 0.7.1 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate flo_stream 0.7.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-macro v0.3.17 [INFO] [stderr] Downloaded futures-sink v0.3.17 [INFO] [stderr] Downloaded desync v0.7.2 [INFO] [stderr] Downloaded proc-macro-nested v0.1.7 [INFO] [stderr] Downloaded futures v0.3.17 [INFO] [stderr] Downloaded libc v0.2.107 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1130109f668c818f51f06f57706c77dc8b40078b7d00860924a309a9cc3b29b9 [INFO] running `Command { std: "docker" "start" "-a" "1130109f668c818f51f06f57706c77dc8b40078b7d00860924a309a9cc3b29b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1130109f668c818f51f06f57706c77dc8b40078b7d00860924a309a9cc3b29b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1130109f668c818f51f06f57706c77dc8b40078b7d00860924a309a9cc3b29b9", kill_on_drop: false }` [INFO] [stdout] 1130109f668c818f51f06f57706c77dc8b40078b7d00860924a309a9cc3b29b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce64ebf182808d6cb695b4fdcfa7aff04f5e1dae7cfb114396cbc7c5264e949c [INFO] running `Command { std: "docker" "start" "-a" "ce64ebf182808d6cb695b4fdcfa7aff04f5e1dae7cfb114396cbc7c5264e949c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling flo_stream v0.7.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.85s [INFO] running `Command { std: "docker" "inspect" "ce64ebf182808d6cb695b4fdcfa7aff04f5e1dae7cfb114396cbc7c5264e949c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce64ebf182808d6cb695b4fdcfa7aff04f5e1dae7cfb114396cbc7c5264e949c", kill_on_drop: false }` [INFO] [stdout] ce64ebf182808d6cb695b4fdcfa7aff04f5e1dae7cfb114396cbc7c5264e949c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 741ebbadcfd4be5a7ca7487c2d52c7142d8705f92ee8a23f73f964a65ec901c1 [INFO] running `Command { std: "docker" "start" "-a" "741ebbadcfd4be5a7ca7487c2d52c7142d8705f92ee8a23f73f964a65ec901c1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling desync v0.7.2 [INFO] [stderr] Compiling flo_stream v0.7.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.99s [INFO] running `Command { std: "docker" "inspect" "741ebbadcfd4be5a7ca7487c2d52c7142d8705f92ee8a23f73f964a65ec901c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "741ebbadcfd4be5a7ca7487c2d52c7142d8705f92ee8a23f73f964a65ec901c1", kill_on_drop: false }` [INFO] [stdout] 741ebbadcfd4be5a7ca7487c2d52c7142d8705f92ee8a23f73f964a65ec901c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9bb05ae0e947244ffa66854fab60f965b571abc61a9430f211956347518f584d [INFO] running `Command { std: "docker" "start" "-a" "9bb05ae0e947244ffa66854fab60f965b571abc61a9430f211956347518f584d", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flo_stream-3a1cbb9b78e95294) [INFO] [stderr] Running tests/blocking.rs (/opt/rustwide/target/debug/deps/blocking-5ff0d7915ea98420) [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] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test blocks_if_there_are_no_subscribers ... ok [INFO] [stdout] test read_from_subscribers ... ok [INFO] [stdout] test unblocks_if_there_are_sufficient_subscribers ... ok [INFO] [stdout] test read_from_thread ... ok [INFO] [stdout] test read_from_thread_late_start ... ok [INFO] [stdout] test blocks_if_there_are_insufficient_subscribers ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Running tests/generator.rs (/opt/rustwide/target/debug/deps/generator-bf89ec0ed1e76afc) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test number_generator ... ok [INFO] [stdout] test add_one_generator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/pubsub.rs (/opt/rustwide/target/debug/deps/pubsub-51f6bff75de4f3df) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test blocks_if_subscribers_are_full ... ok [INFO] [stdout] test complete_on_multiple_subscribers ... ok [INFO] [stdout] test complete_when_empty ... ok [INFO] [stdout] test drop_publisher_with_weak_publisher_after_publish ... ok [INFO] [stdout] test clone_subscribers_after_reading ... ok [INFO] [stdout] test drop_publisher_after_send_all ... ok [INFO] [stdout] test drop_publisher_with_weak_publisher_after_send_all ... ok [INFO] [stdout] test read_on_multiple_subscribers ... ok [INFO] [stdout] test receive_on_one_subscriber ... ok [INFO] [stdout] test republish_3_times ... ok [INFO] [stdout] test send_all_stream ... ok [INFO] [stdout] test expiring_removes_oldest_events_first ... ok [INFO] [stdout] test skip_messages_sent_before_subscription ... ok [INFO] [stdout] test single_receive_on_one_subscriber ... ok [INFO] [stdout] test subscriber_closes_when_publisher_closes ... ok [INFO] [stdout] test clone_subscribers ... ok [INFO] [stdout] test send_all_drops_stream_when_publisher_dropped ... ok [INFO] [stdout] test single_receive_on_two_subscribers ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running tests/readme.rs (/opt/rustwide/target/debug/deps/readme-4ea4ce57d53fadab) [INFO] [stderr] Running tests/sink.rs (/opt/rustwide/target/debug/deps/sink-d4a7cf8c24d33681) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test starts_with_version_number_toml ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test close_sink_same_thread ... ok [INFO] [stdout] test send_via_sink ... ok [INFO] [stdout] test send_stream_via_sink ... ok [INFO] [stderr] Running tests/switching.rs (/opt/rustwide/target/debug/deps/switching-891df428f7ef44c6) [INFO] [stdout] test close_sink ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test switch_stream ... ok [INFO] [stdout] test close_when_switch_is_dropped ... ok [INFO] [stdout] test switch_after_first_stream_is_closed ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] Doc-tests flo_stream [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/generator.rs - generator::generator_stream (line 88) ... ok [INFO] [stdout] test src/lib.rs - (line 20) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9bb05ae0e947244ffa66854fab60f965b571abc61a9430f211956347518f584d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bb05ae0e947244ffa66854fab60f965b571abc61a9430f211956347518f584d", kill_on_drop: false }` [INFO] [stdout] 9bb05ae0e947244ffa66854fab60f965b571abc61a9430f211956347518f584d