[INFO] cloning repository https://github.com/Malax/libcnb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Malax/libcnb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Flibcnb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Flibcnb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4717c8047929d19e7f396b9b5460df68517282aa
[INFO] testing Malax/libcnb against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Flibcnb" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Malax/libcnb on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Malax/libcnb
[INFO] finished tweaking git repo https://github.com/Malax/libcnb
[INFO] tweaked toml for git repo https://github.com/Malax/libcnb written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aa3e5afd585f9b6e2cd115ab8164bf18be70c830c2873962d5a9b6f87a69616
[INFO] running `Command { std: "docker" "start" "-a" "0aa3e5afd585f9b6e2cd115ab8164bf18be70c830c2873962d5a9b6f87a69616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aa3e5afd585f9b6e2cd115ab8164bf18be70c830c2873962d5a9b6f87a69616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa3e5afd585f9b6e2cd115ab8164bf18be70c830c2873962d5a9b6f87a69616", kill_on_drop: false }`
[INFO] [stdout] 0aa3e5afd585f9b6e2cd115ab8164bf18be70c830c2873962d5a9b6f87a69616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ea599db00a960028726ae126f2b467d4975f97ec2247c05c1752d4aa0115a0
[INFO] running `Command { std: "docker" "start" "-a" "84ea599db00a960028726ae126f2b467d4975f97ec2247c05c1752d4aa0115a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling libcnb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "84ea599db00a960028726ae126f2b467d4975f97ec2247c05c1752d4aa0115a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ea599db00a960028726ae126f2b467d4975f97ec2247c05c1752d4aa0115a0", kill_on_drop: false }`
[INFO] [stdout] 84ea599db00a960028726ae126f2b467d4975f97ec2247c05c1752d4aa0115a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2607b2dd42f8ded2ec72c9da101c82c4f73f4ff376452af250e380afa049c0
[INFO] running `Command { std: "docker" "start" "-a" "ed2607b2dd42f8ded2ec72c9da101c82c4f73f4ff376452af250e380afa049c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling libcnb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "ed2607b2dd42f8ded2ec72c9da101c82c4f73f4ff376452af250e380afa049c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2607b2dd42f8ded2ec72c9da101c82c4f73f4ff376452af250e380afa049c0", kill_on_drop: false }`
[INFO] [stdout] ed2607b2dd42f8ded2ec72c9da101c82c4f73f4ff376452af250e380afa049c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 181f7e9c57335d370a4829c05bf8ee23435aef25c7f4d9d7ffef0a112a6ba6f5
[INFO] running `Command { std: "docker" "start" "-a" "181f7e9c57335d370a4829c05bf8ee23435aef25c7f4d9d7ffef0a112a6ba6f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libcnb-c92f7cdd3afb3a12)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test data::build_plan::tests::it_writes_simple_build_plan ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_api_display ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_from_str_major ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_does_not_allow_app ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_does_not_allow_config ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_from_str_major_minor ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_minimal_buildpack ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_empty ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_minimal_metabuildpack ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_metabuildpack ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_with_metadata ... ok
[INFO] [stdout] test data::layer_content_metadata::tests::metadata_is_optional ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_simple ... ok
[INFO] [stdout] test data::launch::tests::test_process_type_eq ... ok
[INFO] [stdout] test layer_env::test::test_modification_behavior_order ... ok
[INFO] [stdout] test layer_env::test::test_layer_env_delta_eq ... ok
[INFO] [stdout] test layer_env::test::test_layer_env_insert ... ok
[INFO] [stdout] test layer_env::test::test_reference_impl_env_files_have_no_suffix_default_action_is_override ... ok
[INFO] [stdout] test layer_env::test::test_read_from_layer_dir_layer_paths_build ... ok
[INFO] [stdout] test layer_env::test::test_read_from_layer_dir_layer_paths_launch ... ok
[INFO] [stdout] test layer_env::test::test_layer_env_delta_fs_read_write ... ok
[INFO] [stdout] test layer_env::test::test_reference_impl_env_files_have_a_suffix_it_performs_the_matching_action ... ok
[INFO] [stdout] test platform::tests::from_path_handles_directories_in_env_folder ... ok
[INFO] [stdout] test env::test::test_into_iterator ... ok
[INFO] [stdout] test layer_env::test::test_reference_impl_add_root_dir_should_append_posix_directories ... ok
[INFO] [stdout] test platform::tests::from_path_doesnt_blow_up_if_platform_env_is_missing ... ok
[INFO] [stdout] test platform::tests::from_path_handles_directories_via_symlinks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcnb
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/platform.rs - platform::Platform::from_path (line 28) - compile ... ok
[INFO] [stdout] test src/platform.rs - platform::PlatformEnv::var (line 45) - compile ... ok
[INFO] [stdout] test src/runtime.rs - runtime::cnb_runtime (line 20) - compile ... ok
[INFO] [stdout] test src/platform.rs - platform::PlatformEnv::from_path (line 63) - compile ... ok
[INFO] [stdout] test src/env.rs - env::Env (line 9) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::insert (line 172) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::write_to_layer_dir (line 300) ... ok
[INFO] [stdout] test src/data/launch.rs - data::launch::ProcessType (line 92) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::new (line 106) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv (line 38) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::apply (line 130) ... ok
[INFO] [stdout] test src/data/launch.rs - data::launch::Launch (line 23) ... ok
[INFO] [stdout] test src/data/buildpack.rs - data::buildpack::StackId (line 195) ... ok
[INFO] [stdout] test src/data/buildpack.rs - data::buildpack::BuildpackId (line 156) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::read_from_layer_dir (line 219) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv (line 65) ... ok
[INFO] [stdout] test src/data/buildpack.rs - data::buildpack::BuildpackToml (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "181f7e9c57335d370a4829c05bf8ee23435aef25c7f4d9d7ffef0a112a6ba6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181f7e9c57335d370a4829c05bf8ee23435aef25c7f4d9d7ffef0a112a6ba6f5", kill_on_drop: false }`
[INFO] [stdout] 181f7e9c57335d370a4829c05bf8ee23435aef25c7f4d9d7ffef0a112a6ba6f5