[INFO] fetching crate causality 0.2.0...
[INFO] testing causality-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate causality 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate causality 0.2.0 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 causality 0.2.0
[INFO] finished tweaking crates.io crate causality 0.2.0
[INFO] tweaked toml for crates.io crate causality 0.2.0 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 9be3ba98368cac369eefff7ca06959f5909f6f3abab8b48814b60e2c993fccb6
[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" "9be3ba98368cac369eefff7ca06959f5909f6f3abab8b48814b60e2c993fccb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be3ba98368cac369eefff7ca06959f5909f6f3abab8b48814b60e2c993fccb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be3ba98368cac369eefff7ca06959f5909f6f3abab8b48814b60e2c993fccb6", kill_on_drop: false }`
[INFO] [stdout] 9be3ba98368cac369eefff7ca06959f5909f6f3abab8b48814b60e2c993fccb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 15092836a5f70c2f353cded28bdb208e5f216941265a9bff8feebf8fc1103809
[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" "15092836a5f70c2f353cded28bdb208e5f216941265a9bff8feebf8fc1103809", kill_on_drop: false }`
[INFO] [stderr]    Compiling causality v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "15092836a5f70c2f353cded28bdb208e5f216941265a9bff8feebf8fc1103809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15092836a5f70c2f353cded28bdb208e5f216941265a9bff8feebf8fc1103809", kill_on_drop: false }`
[INFO] [stdout] 15092836a5f70c2f353cded28bdb208e5f216941265a9bff8feebf8fc1103809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bea9cb553eb49a3097b237b9dd9d3de67694c0bc7d017e416c4582668ed85cfa
[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" "bea9cb553eb49a3097b237b9dd9d3de67694c0bc7d017e416c4582668ed85cfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-error v0.2.3
[INFO] [stderr]    Compiling causality v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "bea9cb553eb49a3097b237b9dd9d3de67694c0bc7d017e416c4582668ed85cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea9cb553eb49a3097b237b9dd9d3de67694c0bc7d017e416c4582668ed85cfa", kill_on_drop: false }`
[INFO] [stdout] bea9cb553eb49a3097b237b9dd9d3de67694c0bc7d017e416c4582668ed85cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 5d612c9faf13fcf28c213a2b07f2843bb835112b28b8e81e6d55c115e0097f48
[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" "5d612c9faf13fcf28c213a2b07f2843bb835112b28b8e81e6d55c115e0097f48", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/causality-8f925734706aa87f)
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests causality
[INFO] [stdout] test tests::actor_apply_effect_returning_error ... ok
[INFO] [stdout] test tests::actor_apply_effect_returning_ok ... ok
[INFO] [stdout] test tests::actor_handles_cause_returning_error ... ok
[INFO] [stdout] test tests::actor_handles_cause_returning_effect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d612c9faf13fcf28c213a2b07f2843bb835112b28b8e81e6d55c115e0097f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d612c9faf13fcf28c213a2b07f2843bb835112b28b8e81e6d55c115e0097f48", kill_on_drop: false }`
[INFO] [stdout] 5d612c9faf13fcf28c213a2b07f2843bb835112b28b8e81e6d55c115e0097f48