[INFO] fetching crate frappe 0.4.7...
[INFO] testing frappe-0.4.7 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate frappe 0.4.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate frappe 0.4.7 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c23a09ef9485d451125e7145f3f1b25a5b7c681669b83fdf3eca95845d2bb11e
[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" "c23a09ef9485d451125e7145f3f1b25a5b7c681669b83fdf3eca95845d2bb11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23a09ef9485d451125e7145f3f1b25a5b7c681669b83fdf3eca95845d2bb11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23a09ef9485d451125e7145f3f1b25a5b7c681669b83fdf3eca95845d2bb11e", kill_on_drop: false }`
[INFO] [stdout] c23a09ef9485d451125e7145f3f1b25a5b7c681669b83fdf3eca95845d2bb11e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] d30a0ff317f111e62a38f2bc6b241b7628e8cccf46a8724bd8e49b19fee2c526
[INFO] running `Command { std: "docker" "start" "-a" "d30a0ff317f111e62a38f2bc6b241b7628e8cccf46a8724bd8e49b19fee2c526", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[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 16.64s
[INFO] running `Command { std: "docker" "inspect" "d30a0ff317f111e62a38f2bc6b241b7628e8cccf46a8724bd8e49b19fee2c526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30a0ff317f111e62a38f2bc6b241b7628e8cccf46a8724bd8e49b19fee2c526", kill_on_drop: false }`
[INFO] [stdout] d30a0ff317f111e62a38f2bc6b241b7628e8cccf46a8724bd8e49b19fee2c526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] da7304e224f208c272942858d573f27485dc5856ee233431da8486695ef1907a
[INFO] running `Command { std: "docker" "start" "-a" "da7304e224f208c272942858d573f27485dc5856ee233431da8486695ef1907a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[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 50.85s
[INFO] running `Command { std: "docker" "inspect" "da7304e224f208c272942858d573f27485dc5856ee233431da8486695ef1907a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7304e224f208c272942858d573f27485dc5856ee233431da8486695ef1907a", kill_on_drop: false }`
[INFO] [stdout] da7304e224f208c272942858d573f27485dc5856ee233431da8486695ef1907a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b477c31a1a8046b3e6b297d2dcd5beb4ab8674cccb969c32e6d96659fd3f4c4
[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" "6b477c31a1a8046b3e6b297d2dcd5beb4ab8674cccb969c32e6d96659fd3f4c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frappe-5f77ecb6ba5866ba)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test signal::tests::signal_constant ... ok
[INFO] [stdout] test signal::tests::signal_default ... ok
[INFO] [stdout] test signal::tests::signal_fold ... ok
[INFO] [stdout] test signal::tests::signal_channel ... ok
[INFO] [stdout] test stream::tests::stream_basic ... ok
[INFO] [stdout] test stream::tests::stream_combine ... ok
[INFO] [stdout] test lift::tests::signal_lift2_closure ... ok
[INFO] [stdout] test stream::tests::stream_default ... ok
[INFO] [stdout] test stream::tests::stream_scan ... ok
[INFO] [stdout] test lift::tests::signal_lift1 ... 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_observe_strong ... ok
[INFO] [stdout] test stream::tests::stream_element_at ... ok
[INFO] [stdout] test futures::tests::basic ... ok
[INFO] [stdout] test stream::tests::stream_send_ref ... ok
[INFO] [stdout] test futures::tests::reload ... ok
[INFO] [stdout] test stream::tests::stream_switch ... ok
[INFO] [stdout] test stream::tests::stream_zip ... ok
[INFO] [stdout] test signal::tests::signal_dynamic ... 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_from ... ok
[INFO] [stdout] test signal::tests::signal_display ... ok
[INFO] [stdout] test futures::tests::invalid_poll - should panic ... ok
[INFO] [stdout] test stream::tests::stream_await ... ok
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-1126de86b00ef60b)
[INFO] [stdout] test stream::tests::stream_send_parallel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cloning ... ok
[INFO] [stdout] test deletion ... ok
[INFO] [stdout] test map_n ... ok
[INFO] [stdout] test filter_extra ... ok
[INFO] [stdout] test reentrant ... ok
[INFO] [stdout] test signal_chain ... ok
[INFO] [stdout] test merge_with_either ... ok
[INFO] [stdout] test merge_with ... ok
[INFO] [stdout] test signal_threading ... ok
[INFO] [stdout] test stream_collect ... ok
[INFO] [stdout] test signal_cyclic ... ok
[INFO] [stdout] test stream_operations ... ok
[INFO] [stdout] test signal_switch ... ok
[INFO] [stdout] test stream_threading ... ok
[INFO] [stdout] test stream_send_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frappe
[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; finished in 3.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b477c31a1a8046b3e6b297d2dcd5beb4ab8674cccb969c32e6d96659fd3f4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b477c31a1a8046b3e6b297d2dcd5beb4ab8674cccb969c32e6d96659fd3f4c4", kill_on_drop: false }`
[INFO] [stdout] 6b477c31a1a8046b3e6b297d2dcd5beb4ab8674cccb969c32e6d96659fd3f4c4