[INFO] fetching crate caring 0.3.0...
[INFO] testing caring-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate caring 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate caring 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memfd v0.3.0
[INFO] [stderr]   Downloaded interprocess-traits v0.1.1
[INFO] [stderr]   Downloaded sendfd v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] 1f26cf312034603f7f9eafcffb460f0e7d4667901a434e18cb731a276a2be318
[INFO] running `Command { std: "docker" "start" "-a" "1f26cf312034603f7f9eafcffb460f0e7d4667901a434e18cb731a276a2be318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f26cf312034603f7f9eafcffb460f0e7d4667901a434e18cb731a276a2be318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f26cf312034603f7f9eafcffb460f0e7d4667901a434e18cb731a276a2be318", kill_on_drop: false }`
[INFO] [stdout] 1f26cf312034603f7f9eafcffb460f0e7d4667901a434e18cb731a276a2be318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "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] e6ce807239fea6832da66243c859491d5b18f828ba497e08ba24b22e17291cda
[INFO] running `Command { std: "docker" "start" "-a" "e6ce807239fea6832da66243c859491d5b18f828ba497e08ba24b22e17291cda", 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 2.88s
[INFO] running `Command { std: "docker" "inspect" "e6ce807239fea6832da66243c859491d5b18f828ba497e08ba24b22e17291cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ce807239fea6832da66243c859491d5b18f828ba497e08ba24b22e17291cda", kill_on_drop: false }`
[INFO] [stdout] e6ce807239fea6832da66243c859491d5b18f828ba497e08ba24b22e17291cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70d7bf1d560f442c1e31abe0e9226a1487f6f216e2b9a00c5d355e1e2c24dcef
[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" "70d7bf1d560f442c1e31abe0e9226a1487f6f216e2b9a00c5d355e1e2c24dcef", 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 2.22s
[INFO] running `Command { std: "docker" "inspect" "70d7bf1d560f442c1e31abe0e9226a1487f6f216e2b9a00c5d355e1e2c24dcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d7bf1d560f442c1e31abe0e9226a1487f6f216e2b9a00c5d355e1e2c24dcef", kill_on_drop: false }`
[INFO] [stdout] 70d7bf1d560f442c1e31abe0e9226a1487f6f216e2b9a00c5d355e1e2c24dcef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "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] 6a0a722aa253da4153c212459c53a89facd3d6d254997af7554a214ad7ce6b4e
[INFO] running `Command { std: "docker" "start" "-a" "6a0a722aa253da4153c212459c53a89facd3d6d254997af7554a214ad7ce6b4e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/caring-a874330666ee0389)
[INFO] [stdout] test tests::new_allocates_properly ... ok
[INFO] [stdout] test tests::new_sized_allocates_properly ... ok
[INFO] [stdout] test tests::syncs_across_threads_different_shared ... ok
[INFO] [stdout] test tests::syncs_across_processes_after_socket_send ... ok
[INFO] [stdout] test tests::syncs_across_processes_with_fork ... ok
[INFO] [stdout] test tests::syncs_across_threads_different_shared_can_fail - should panic ... ok
[INFO] [stdout] test tests::syncs_across_threads ... 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] [stderr]    Doc-tests caring
[INFO] [stdout] test tests::syncs_across_processes_after_socket_send_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 5.90s
[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" "6a0a722aa253da4153c212459c53a89facd3d6d254997af7554a214ad7ce6b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0a722aa253da4153c212459c53a89facd3d6d254997af7554a214ad7ce6b4e", kill_on_drop: false }`
[INFO] [stdout] 6a0a722aa253da4153c212459c53a89facd3d6d254997af7554a214ad7ce6b4e