[INFO] fetching crate frappe 0.4.7...
[INFO] testing frappe-0.4.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate frappe 0.4.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate frappe 0.4.7 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 frappe 0.4.7
[INFO] finished tweaking crates.io crate frappe 0.4.7
[INFO] tweaked toml for crates.io crate frappe 0.4.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate frappe 0.4.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e77473b5129281864b3b42ed0bf076437dbd97900cc1d3402e296164a1acb13a
[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" "e77473b5129281864b3b42ed0bf076437dbd97900cc1d3402e296164a1acb13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e77473b5129281864b3b42ed0bf076437dbd97900cc1d3402e296164a1acb13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77473b5129281864b3b42ed0bf076437dbd97900cc1d3402e296164a1acb13a", kill_on_drop: false }`
[INFO] [stdout] e77473b5129281864b3b42ed0bf076437dbd97900cc1d3402e296164a1acb13a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 588a83b0fa5dbbe1cb2bab4b2064b557710a295b3d85441e238f6b6794b085de
[INFO] running `Command { std: "docker" "start" "-a" "588a83b0fa5dbbe1cb2bab4b2064b557710a295b3d85441e238f6b6794b085de", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling frappe v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.26s
[INFO] running `Command { std: "docker" "inspect" "588a83b0fa5dbbe1cb2bab4b2064b557710a295b3d85441e238f6b6794b085de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588a83b0fa5dbbe1cb2bab4b2064b557710a295b3d85441e238f6b6794b085de", kill_on_drop: false }`
[INFO] [stdout] 588a83b0fa5dbbe1cb2bab4b2064b557710a295b3d85441e238f6b6794b085de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06b42212b1c9af984da018af0d3d8f4c861bc8b287daf53e595d786e1a9dca2d
[INFO] running `Command { std: "docker" "start" "-a" "06b42212b1c9af984da018af0d3d8f4c861bc8b287daf53e595d786e1a9dca2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.20
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling frappe v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 44.65s
[INFO] running `Command { std: "docker" "inspect" "06b42212b1c9af984da018af0d3d8f4c861bc8b287daf53e595d786e1a9dca2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b42212b1c9af984da018af0d3d8f4c861bc8b287daf53e595d786e1a9dca2d", kill_on_drop: false }`
[INFO] [stdout] 06b42212b1c9af984da018af0d3d8f4c861bc8b287daf53e595d786e1a9dca2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7e4aa78cab7bd8ffca32b9bfd3064e539fcbebb854cf6c083d5842ff9123f4a
[INFO] running `Command { std: "docker" "start" "-a" "e7e4aa78cab7bd8ffca32b9bfd3064e539fcbebb854cf6c083d5842ff9123f4a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/frappe-76ef1f7f581608e9
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test futures::tests::reload ... ok
[INFO] [stdout] test lift::tests::signal_lift1 ... ok
[INFO] [stdout] test lift::tests::signal_lift2_expr ... ok
[INFO] [stdout] test lift::tests::signal_lift_pattern ... ok
[INFO] [stdout] test signal::tests::signal_channel ... ok
[INFO] [stdout] test signal::tests::signal_constant ... ok
[INFO] [stdout] test signal::tests::signal_default ... ok
[INFO] [stdout] test signal::tests::signal_display ... ok
[INFO] [stdout] test signal::tests::signal_fold ... ok
[INFO] [stdout] test signal::tests::signal_from ... ok
[INFO] [stdout] test lift::tests::signal_lift2_closure ... ok
[INFO] [stdout] test signal::tests::signal_dynamic ... ok
[INFO] [stdout] test futures::tests::basic ... ok
[INFO] [stdout] test stream::tests::stream_elements_between ... ok
[INFO] [stdout] test stream::tests::stream_scan_n ... ok
[INFO] [stdout] test stream::tests::stream_scan ... ok
[INFO] [stdout] test stream::tests::stream_basic ... ok
[INFO] [stdout] test stream::tests::stream_element_at ... ok
[INFO] [stdout] test stream::tests::stream_send_ref ... ok
[INFO] [stdout] test stream::tests::stream_combine ... ok
[INFO] [stdout] test stream::tests::stream_zip ... ok
[INFO] [stdout] test stream::tests::stream_switch ... ok
[INFO] [stdout] test stream::tests::stream_default ... ok
[INFO] [stdout] test stream::tests::stream_observe_strong ... ok
[INFO] [stdout] test futures::tests::invalid_poll ... ok
[INFO] [stdout] test stream::tests::stream_await ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-e6229c95d8f679bf
[INFO] [stdout] test stream::tests::stream_send_parallel ... ok
[INFO] [stderr]    Doc-tests frappe
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cloning ... ok
[INFO] [stdout] test deletion ... ok
[INFO] [stdout] test filter_extra ... ok
[INFO] [stdout] test map_n ... ok
[INFO] [stdout] test stream_collect ... ok
[INFO] [stdout] test stream_operations ... ok
[INFO] [stdout] test signal_cyclic ... ok
[INFO] [stdout] test reentrant ... ok
[INFO] [stdout] test merge_with ... ok
[INFO] [stdout] test signal_switch ... ok
[INFO] [stdout] test signal_chain ... ok
[INFO] [stdout] test stream_send_order ... ok
[INFO] [stdout] test stream_threading ... ok
[INFO] [stdout] test signal_threading ... ok
[INFO] [stdout] test merge_with_either ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/signal.rs - signal (line 12) ... ok
[INFO] [stdout] test src/stream.rs - stream (line 21) ... ok
[INFO] [stdout] test src/lift.rs - signal_lift (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7e4aa78cab7bd8ffca32b9bfd3064e539fcbebb854cf6c083d5842ff9123f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e4aa78cab7bd8ffca32b9bfd3064e539fcbebb854cf6c083d5842ff9123f4a", kill_on_drop: false }`
[INFO] [stdout] e7e4aa78cab7bd8ffca32b9bfd3064e539fcbebb854cf6c083d5842ff9123f4a