[INFO] fetching crate caring 0.3.0...
[INFO] testing caring-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate caring 0.3.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate caring 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memfd v0.3.0
[INFO] [stderr]   Downloaded sendfd v0.3.3
[INFO] [stderr]   Downloaded interprocess-traits v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92126f3ea97cd294b7d03a3a5afaf1f51b0e28be737f066dadcba1a78b974880
[INFO] running `Command { std: "docker" "start" "-a" "92126f3ea97cd294b7d03a3a5afaf1f51b0e28be737f066dadcba1a78b974880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92126f3ea97cd294b7d03a3a5afaf1f51b0e28be737f066dadcba1a78b974880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92126f3ea97cd294b7d03a3a5afaf1f51b0e28be737f066dadcba1a78b974880", kill_on_drop: false }`
[INFO] [stdout] 92126f3ea97cd294b7d03a3a5afaf1f51b0e28be737f066dadcba1a78b974880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b78d8d05e58935c8187e0d64ada4737d71d0c3b830547b1c80a78254532e6bc8
[INFO] running `Command { std: "docker" "start" "-a" "b78d8d05e58935c8187e0d64ada4737d71d0c3b830547b1c80a78254532e6bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling interprocess-traits v0.1.1
[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 0.51s
[INFO] running `Command { std: "docker" "inspect" "b78d8d05e58935c8187e0d64ada4737d71d0c3b830547b1c80a78254532e6bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78d8d05e58935c8187e0d64ada4737d71d0c3b830547b1c80a78254532e6bc8", kill_on_drop: false }`
[INFO] [stdout] b78d8d05e58935c8187e0d64ada4737d71d0c3b830547b1c80a78254532e6bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daa24605f00e2adb5a9b1ee5f64c61142894f1e9bc003ee357fb65a21e63b109
[INFO] running `Command { std: "docker" "start" "-a" "daa24605f00e2adb5a9b1ee5f64c61142894f1e9bc003ee357fb65a21e63b109", 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "daa24605f00e2adb5a9b1ee5f64c61142894f1e9bc003ee357fb65a21e63b109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa24605f00e2adb5a9b1ee5f64c61142894f1e9bc003ee357fb65a21e63b109", kill_on_drop: false }`
[INFO] [stdout] daa24605f00e2adb5a9b1ee5f64c61142894f1e9bc003ee357fb65a21e63b109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ab553aed30cb40ba997c9326a8e8dfc830c45bd190a68f3f96db13587610980
[INFO] running `Command { std: "docker" "start" "-a" "8ab553aed30cb40ba997c9326a8e8dfc830c45bd190a68f3f96db13587610980", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/caring-fe65f974b8738cc4)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::new_allocates_properly ... ok
[INFO] [stdout] test tests::new_sized_allocates_properly ... ok
[INFO] [stdout] test tests::syncs_across_processes_with_fork ... ok
[INFO] [stdout] test tests::syncs_across_processes_after_socket_send_test_can_fail - should panic ... ok
[INFO] [stdout] test tests::syncs_across_processes_after_socket_send ... ok
[INFO] [stdout] test tests::syncs_across_threads ... ok
[INFO] [stdout] test tests::syncs_across_threads_different_shared ... ok
[INFO] [stdout] test tests::syncs_across_threads_different_shared_can_fail - should panic ... ok
[INFO] [stdout] test tests::syncs_across_processes_with_fork_test_can_fail - should panic ... ok
[INFO] [stdout] test tests::syncs_across_threads_test_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.52s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests caring
[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" "8ab553aed30cb40ba997c9326a8e8dfc830c45bd190a68f3f96db13587610980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab553aed30cb40ba997c9326a8e8dfc830c45bd190a68f3f96db13587610980", kill_on_drop: false }`
[INFO] [stdout] 8ab553aed30cb40ba997c9326a8e8dfc830c45bd190a68f3f96db13587610980