[INFO] fetching crate caring 0.3.0...
[INFO] testing caring-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate caring 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate caring 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caring 0.3.0
[INFO] finished tweaking crates.io crate caring 0.3.0
[INFO] tweaked toml for crates.io crate caring 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sendfd v0.3.3
[INFO] [stderr]   Downloaded memfd v0.3.0
[INFO] [stderr]   Downloaded interprocess-traits v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 423ec4c5b0a51619618d96fb99226bdc4664835863b3d1683d82f8b1d74e5956
[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" "423ec4c5b0a51619618d96fb99226bdc4664835863b3d1683d82f8b1d74e5956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "423ec4c5b0a51619618d96fb99226bdc4664835863b3d1683d82f8b1d74e5956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423ec4c5b0a51619618d96fb99226bdc4664835863b3d1683d82f8b1d74e5956", kill_on_drop: false }`
[INFO] [stdout] 423ec4c5b0a51619618d96fb99226bdc4664835863b3d1683d82f8b1d74e5956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] f97180437d93eee5ccb2f1cd21a963a5c23fded7e3630aa374544427fd409737
[INFO] running `Command { std: "docker" "start" "-a" "f97180437d93eee5ccb2f1cd21a963a5c23fded7e3630aa374544427fd409737", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling interprocess-traits v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling memfd v0.3.0
[INFO] [stderr]    Compiling caring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.76s
[INFO] running `Command { std: "docker" "inspect" "f97180437d93eee5ccb2f1cd21a963a5c23fded7e3630aa374544427fd409737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97180437d93eee5ccb2f1cd21a963a5c23fded7e3630aa374544427fd409737", kill_on_drop: false }`
[INFO] [stdout] f97180437d93eee5ccb2f1cd21a963a5c23fded7e3630aa374544427fd409737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99846525058ca026fdadd9718a87d16669eccbfe8f21e78fcfb58e46f642570b
[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" "99846525058ca026fdadd9718a87d16669eccbfe8f21e78fcfb58e46f642570b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sendfd v0.3.3
[INFO] [stderr]    Compiling caring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "99846525058ca026fdadd9718a87d16669eccbfe8f21e78fcfb58e46f642570b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99846525058ca026fdadd9718a87d16669eccbfe8f21e78fcfb58e46f642570b", kill_on_drop: false }`
[INFO] [stdout] 99846525058ca026fdadd9718a87d16669eccbfe8f21e78fcfb58e46f642570b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 0af2ccdf92967e2b6d0a68dbd7ad28d25547b2eef48332e7f5c95740642680f9
[INFO] running `Command { std: "docker" "start" "-a" "0af2ccdf92967e2b6d0a68dbd7ad28d25547b2eef48332e7f5c95740642680f9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/caring-086e1f606739793a
[INFO] [stdout] test tests::new_sized_allocates_properly ... ok
[INFO] [stdout] test tests::new_allocates_properly ... ok
[INFO] [stdout] test tests::syncs_across_threads_different_shared ... ok
[INFO] [stdout] test tests::syncs_across_threads ... ok
[INFO] [stdout] test tests::syncs_across_processes_with_fork ... ok
[INFO] [stdout] test tests::syncs_across_processes_after_socket_send_test_can_fail ... ok
[INFO] [stdout] test tests::syncs_across_processes_after_socket_send ... ok
[INFO] [stdout] test tests::syncs_across_processes_with_fork_test_can_fail ... ok
[INFO] [stdout] test tests::syncs_across_threads_different_shared_can_fail ... ok
[INFO] [stderr]    Doc-tests caring
[INFO] [stdout] test tests::syncs_across_threads_test_can_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.07s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "0af2ccdf92967e2b6d0a68dbd7ad28d25547b2eef48332e7f5c95740642680f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af2ccdf92967e2b6d0a68dbd7ad28d25547b2eef48332e7f5c95740642680f9", kill_on_drop: false }`
[INFO] [stdout] 0af2ccdf92967e2b6d0a68dbd7ad28d25547b2eef48332e7f5c95740642680f9