[INFO] fetching crate flo_stream 0.6.0... [INFO] testing flo_stream-0.6.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate flo_stream 0.6.0 into /workspace/builds/worker-118/source [INFO] validating manifest of crates.io crate flo_stream 0.6.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flo_stream 0.6.0 [INFO] finished tweaking crates.io crate flo_stream 0.6.0 [INFO] tweaked toml for crates.io crate flo_stream 0.6.0 written to /workspace/builds/worker-118/source/Cargo.toml [INFO] crate crates.io crate flo_stream 0.6.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded desync v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7040a15b6f33413105bd737ac575b60aa14de284fb938718f01b0ae23dd27859 [INFO] running `Command { std: "docker" "start" "-a" "7040a15b6f33413105bd737ac575b60aa14de284fb938718f01b0ae23dd27859", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7040a15b6f33413105bd737ac575b60aa14de284fb938718f01b0ae23dd27859", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7040a15b6f33413105bd737ac575b60aa14de284fb938718f01b0ae23dd27859", kill_on_drop: false }` [INFO] [stdout] 7040a15b6f33413105bd737ac575b60aa14de284fb938718f01b0ae23dd27859 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec432d81f44fa8ddacc6c375797024a5ddbd11cb7499f0d47f4c0dff79943481 [INFO] running `Command { std: "docker" "start" "-a" "ec432d81f44fa8ddacc6c375797024a5ddbd11cb7499f0d47f4c0dff79943481", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling futures-sink v0.3.12 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling futures-core v0.3.12 [INFO] [stderr] Compiling futures-io v0.3.12 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling pin-project-lite v0.2.4 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling futures-channel v0.3.12 [INFO] [stderr] Compiling futures-task v0.3.12 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling futures-util v0.3.12 [INFO] [stderr] Compiling futures-executor v0.3.12 [INFO] [stderr] Compiling futures v0.3.12 [INFO] [stderr] Compiling flo_stream v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.59s [INFO] running `Command { std: "docker" "inspect" "ec432d81f44fa8ddacc6c375797024a5ddbd11cb7499f0d47f4c0dff79943481", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec432d81f44fa8ddacc6c375797024a5ddbd11cb7499f0d47f4c0dff79943481", kill_on_drop: false }` [INFO] [stdout] ec432d81f44fa8ddacc6c375797024a5ddbd11cb7499f0d47f4c0dff79943481 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1cbbc3ca2aed6298bf21f651244d3af9c30e49a744dc20fd0463c6a3931d548 [INFO] running `Command { std: "docker" "start" "-a" "f1cbbc3ca2aed6298bf21f651244d3af9c30e49a744dc20fd0463c6a3931d548", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.84 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling desync v0.5.0 [INFO] [stderr] Compiling flo_stream v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.91s [INFO] running `Command { std: "docker" "inspect" "f1cbbc3ca2aed6298bf21f651244d3af9c30e49a744dc20fd0463c6a3931d548", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1cbbc3ca2aed6298bf21f651244d3af9c30e49a744dc20fd0463c6a3931d548", kill_on_drop: false }` [INFO] [stdout] f1cbbc3ca2aed6298bf21f651244d3af9c30e49a744dc20fd0463c6a3931d548 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f553bb1918f88a0f6015813443c0973844487974829afd566573ff3451ad2785 [INFO] running `Command { std: "docker" "start" "-a" "f553bb1918f88a0f6015813443c0973844487974829afd566573ff3451ad2785", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flo_stream-0c277330cbc959bb) [INFO] [stdout] [INFO] [stderr] Running tests/blocking.rs (/opt/rustwide/target/debug/deps/blocking-3a35e5178d973af6) [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_insufficient_subscribers ... ok [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] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running tests/generator.rs (/opt/rustwide/target/debug/deps/generator-cd9998b9e9a889bb) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test add_one_generator ... ok [INFO] [stdout] test number_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-2ec049db9c58459f) [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 clone_subscribers_after_reading ... ok [INFO] [stdout] test clone_subscribers ... ok [INFO] [stdout] test complete_when_empty ... ok [INFO] [stdout] test drop_publisher_after_send_all ... ok [INFO] [stdout] test drop_publisher_with_weak_publisher_after_publish ... 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 single_receive_on_one_subscriber ... ok [INFO] [stdout] test skip_messages_sent_before_subscription ... ok [INFO] [stdout] test subscriber_closes_when_publisher_closes ... ok [INFO] [stdout] test single_receive_on_two_subscribers ... ok [INFO] [stdout] test send_all_drops_stream_when_publisher_dropped ... 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/sink.rs (/opt/rustwide/target/debug/deps/sink-6ce41a2e19934e3c) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test close_sink_same_thread ... ok [INFO] [stdout] test send_stream_via_sink ... ok [INFO] [stdout] test close_sink ... ok [INFO] [stdout] test send_via_sink ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [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 1.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f553bb1918f88a0f6015813443c0973844487974829afd566573ff3451ad2785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f553bb1918f88a0f6015813443c0973844487974829afd566573ff3451ad2785", kill_on_drop: false }` [INFO] [stdout] f553bb1918f88a0f6015813443c0973844487974829afd566573ff3451ad2785