[INFO] fetching crate libcnb-data 0.4.0...
[INFO] testing libcnb-data-0.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate libcnb-data 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libcnb-data 0.4.0 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 libcnb-data 0.4.0
[INFO] finished tweaking crates.io crate libcnb-data 0.4.0
[INFO] tweaked toml for crates.io crate libcnb-data 0.4.0 written to /workspace/builds/worker-2/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 serde_test v1.0.136
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc8ac3ed7520ff8a3c20b9a71a798e546975f62718fde992b546017f9e5690c5
[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" "dc8ac3ed7520ff8a3c20b9a71a798e546975f62718fde992b546017f9e5690c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc8ac3ed7520ff8a3c20b9a71a798e546975f62718fde992b546017f9e5690c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8ac3ed7520ff8a3c20b9a71a798e546975f62718fde992b546017f9e5690c5", kill_on_drop: false }`
[INFO] [stdout] dc8ac3ed7520ff8a3c20b9a71a798e546975f62718fde992b546017f9e5690c5
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 3803ae2718b015bb08bd68f35b6c017e311f163db90fb95aa09e540b3d5beb59
[INFO] running `Command { std: "docker" "start" "-a" "3803ae2718b015bb08bd68f35b6c017e311f163db90fb95aa09e540b3d5beb59", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling fancy-regex v0.7.1
[INFO] [stderr]    Compiling libcnb-proc-macros v0.1.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling libcnb-data v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "3803ae2718b015bb08bd68f35b6c017e311f163db90fb95aa09e540b3d5beb59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3803ae2718b015bb08bd68f35b6c017e311f163db90fb95aa09e540b3d5beb59", kill_on_drop: false }`
[INFO] [stdout] 3803ae2718b015bb08bd68f35b6c017e311f163db90fb95aa09e540b3d5beb59
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9f197e5ee56be7ed8bad37fe3260f0be459773f5613ee8e53f5227061fceaee
[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" "c9f197e5ee56be7ed8bad37fe3260f0be459773f5613ee8e53f5227061fceaee", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.136
[INFO] [stderr]    Compiling libcnb-data v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `Command { std: "docker" "inspect" "c9f197e5ee56be7ed8bad37fe3260f0be459773f5613ee8e53f5227061fceaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f197e5ee56be7ed8bad37fe3260f0be459773f5613ee8e53f5227061fceaee", kill_on_drop: false }`
[INFO] [stdout] c9f197e5ee56be7ed8bad37fe3260f0be459773f5613ee8e53f5227061fceaee
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fcc93a7604b30936f567f0f6ed025c2ddcbe7291c683905a6d85b1b60ba4853
[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" "7fcc93a7604b30936f567f0f6ed025c2ddcbe7291c683905a6d85b1b60ba4853", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 47 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libcnb_data-ebb3fff31c6df399)
[INFO] [stdout] test buildpack::api::tests::buildpack_api_display ... ok
[INFO] [stdout] test buildpack::api::tests::deserialize_valid_api_versions ... ok
[INFO] [stdout] test buildpack::api::tests::reject_invalid_api_versions ... ok
[INFO] [stdout] test buildpack::stack::tests::deserialize_any_stack ... ok
[INFO] [stdout] test buildpack::stack::tests::deserialize_specific_stack_with_mixins ... ok
[INFO] [stdout] test build_plan::tests::it_writes_simple_build_plan ... ok
[INFO] [stdout] test buildpack::stack::tests::deserialize_specific_stack_without_mixins ... ok
[INFO] [stdout] test buildpack::stack::tests::reject_any_stack_with_mixins ... ok
[INFO] [stdout] test buildpack::stack::tests::reject_specific_stack_with_invalid_name ... ok
[INFO] [stdout] test buildpack::version::tests::buildpack_version_display ... ok
[INFO] [stdout] test buildpack::stack_id::tests::stack_id_validation_valid ... ok
[INFO] [stdout] test buildpack_plan::tests::it_parses_empty ... ok
[INFO] [stdout] test buildpack::tests::deserialize_minimal_singlebuildpack ... ok
[INFO] [stdout] test buildpack::tests::deserialize_minimal_metabuildpack ... ok
[INFO] [stdout] test buildpack::version::tests::reject_version_suffixes ... ok
[INFO] [stdout] test buildpack::id::tests::buildpack_id_validation_invalid ... ok
[INFO] [stdout] test buildpack_plan::tests::it_parses_simple ... ok
[INFO] [stdout] test buildpack::stack_id::tests::stack_id_validation_invalid ... ok
[INFO] [stdout] test buildpack::id::tests::buildpack_id_validation_valid ... ok
[INFO] [stdout] test buildpack::tests::deserialize_singlebuildpack ... ok
[INFO] [stdout] test buildpack::tests::deserialize_buildpackdescriptor_meta ... ok
[INFO] [stdout] test buildpack_plan::tests::it_parses_with_metadata ... ok
[INFO] [stdout] test launch::tests::process_builder_args ... ok
[INFO] [stdout] test launch::tests::process_builder ... ok
[INFO] [stdout] test launch::tests::process_with_default_values_serialization ... ok
[INFO] [stdout] test launch::tests::process_with_default_values_deserialization ... ok
[INFO] [stdout] test launch::tests::process_with_some_default_values_serialization ... ok
[INFO] [stdout] test buildpack::version::tests::reject_versions_with_leading_zeros ... ok
[INFO] [stdout] test buildpack::version::tests::deserialize_valid_versions ... ok
[INFO] [stdout] test launch::tests::process_type_validation_invalid ... ok
[INFO] [stdout] test layer_content_metadata::tests::types_table_with_no_entries_has_defaults ... ok
[INFO] [stdout] test layer_content_metadata::tests::deserialize_everything ... ok
[INFO] [stdout] test newtypes::tests::deref ... ok
[INFO] [stdout] test layer::tests::layer_name_validation_invalid ... ok
[INFO] [stdout] test newtypes::tests::join ... ok
[INFO] [stdout] test launch::tests::process_type_validation_valid ... ok
[INFO] [stdout] test layer_content_metadata::tests::deserialize_empty ... ok
[INFO] [stdout] test layer::tests::layer_name_validation_valid ... ok
[INFO] [stdout] test buildpack::tests::deserialize_metabuildpack ... ok
[INFO] [stdout] test buildpack::tests::deserialize_buildpackdescriptor_single ... ok
[INFO] [stdout] test buildpack::version::tests::reject_wrong_number_of_version_parts ... ok
[INFO] [stdout] test newtypes::tests::literal_macro_success ... ok
[INFO] [stdout] test buildpack::tests::reject_buildpack_with_both_stacks_and_order ... ok
[INFO] [stdout] test buildpack::version::tests::reject_negative_versions ... ok
[INFO] [stdout] test newtypes::tests::type_eq ... ok
[INFO] [stdout] test newtypes::tests::test ... ok
[INFO] [stdout] test newtypes::tests::deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcnb-data
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/launch.rs - launch::ProcessBuilder::arg (line 114) - compile ... ok
[INFO] [stdout] test src/launch.rs - launch::ProcessBuilder::arg (line 123) - compile ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name libcnb_data --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fancy_regex=/opt/rustwide/target/debug/deps/libfancy_regex-808f29989f0fdcc2.rlib --extern libcnb_data=/opt/rustwide/target/debug/deps/liblibcnb_data-b7772ea439fe2b86.rlib --extern libcnb_proc_macros=/opt/rustwide/target/debug/deps/liblibcnb_proc_macros-a192730ba0e83caf.so --extern serde=/opt/rustwide/target/debug/deps/libserde-62a997c686f3a53b.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-d1cc0e181629df37.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-5ffe0210a1033927.rlib --extern toml=/opt/rustwide/target/debug/deps/libtoml-b863de3d46951c20.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7fcc93a7604b30936f567f0f6ed025c2ddcbe7291c683905a6d85b1b60ba4853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcc93a7604b30936f567f0f6ed025c2ddcbe7291c683905a6d85b1b60ba4853", kill_on_drop: false }`
[INFO] [stdout] 7fcc93a7604b30936f567f0f6ed025c2ddcbe7291c683905a6d85b1b60ba4853