[INFO] fetching crate libcnb 0.2.0-prerelease1...
[INFO] testing libcnb-0.2.0-prerelease1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate libcnb 0.2.0-prerelease1 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate libcnb 0.2.0-prerelease1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libcnb 0.2.0-prerelease1
[INFO] finished tweaking crates.io crate libcnb 0.2.0-prerelease1
[INFO] tweaked toml for crates.io crate libcnb 0.2.0-prerelease1 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e534744338e5ac00f0b623a8dc216736fbd3bd7a2b9c952cae6cf41b7574ae5b
[INFO] running `Command { std: "docker" "start" "-a" "e534744338e5ac00f0b623a8dc216736fbd3bd7a2b9c952cae6cf41b7574ae5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e534744338e5ac00f0b623a8dc216736fbd3bd7a2b9c952cae6cf41b7574ae5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e534744338e5ac00f0b623a8dc216736fbd3bd7a2b9c952cae6cf41b7574ae5b", kill_on_drop: false }`
[INFO] [stdout] e534744338e5ac00f0b623a8dc216736fbd3bd7a2b9c952cae6cf41b7574ae5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1d9cf89115a533b85f232140ba92dad92753d3e8522ec30c95deac755c26049
[INFO] running `Command { std: "docker" "start" "-a" "b1d9cf89115a533b85f232140ba92dad92753d3e8522ec30c95deac755c26049", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling libcnb v0.2.0-prerelease1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.88s
[INFO] running `Command { std: "docker" "inspect" "b1d9cf89115a533b85f232140ba92dad92753d3e8522ec30c95deac755c26049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d9cf89115a533b85f232140ba92dad92753d3e8522ec30c95deac755c26049", kill_on_drop: false }`
[INFO] [stdout] b1d9cf89115a533b85f232140ba92dad92753d3e8522ec30c95deac755c26049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68669ad46ce2ed519a3cb79f4847f7d765be7a028e5382485a2f3f25f5ead9e8
[INFO] running `Command { std: "docker" "start" "-a" "68669ad46ce2ed519a3cb79f4847f7d765be7a028e5382485a2f3f25f5ead9e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcnb v0.2.0-prerelease1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "68669ad46ce2ed519a3cb79f4847f7d765be7a028e5382485a2f3f25f5ead9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68669ad46ce2ed519a3cb79f4847f7d765be7a028e5382485a2f3f25f5ead9e8", kill_on_drop: false }`
[INFO] [stdout] 68669ad46ce2ed519a3cb79f4847f7d765be7a028e5382485a2f3f25f5ead9e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92709ef2560cede03b45d97c4b0b35c59b5e88b129fb2188b6ef732c33f2d8f5
[INFO] running `Command { std: "docker" "start" "-a" "92709ef2560cede03b45d97c4b0b35c59b5e88b129fb2188b6ef732c33f2d8f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libcnb-4bf20e50a99f2ea3)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[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::build_plan::tests::it_writes_simple_build_plan ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_with_metadata ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_empty ... 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::buildpack::tests::can_serialize_minimal_metabuildpack ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_metabuildpack ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_from_str_major_minor ... ok
[INFO] [stdout] test data::buildpack::tests::buildpack_id_from_str_major ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_minimal_buildpack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcnb
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/platform.rs - platform::PlatformEnv::from_path (line 63) - compile ... ok
[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 19) - compile ... ok
[INFO] [stdout] test src/data/buildpack.rs - data::buildpack::BuildpackId (line 149) ... ok
[INFO] [stdout] test src/data/buildpack.rs - data::buildpack::StackId (line 188) ... ok
[INFO] [stdout] test src/data/launch.rs - data::launch::ProcessType (line 92) ... ok
[INFO] [stdout] test src/data/launch.rs - data::launch::Launch (line 23) ... ok
[INFO] [stdout] test src/data/buildpack.rs - data::buildpack::BuildpackToml (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92709ef2560cede03b45d97c4b0b35c59b5e88b129fb2188b6ef732c33f2d8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92709ef2560cede03b45d97c4b0b35c59b5e88b129fb2188b6ef732c33f2d8f5", kill_on_drop: false }`
[INFO] [stdout] 92709ef2560cede03b45d97c4b0b35c59b5e88b129fb2188b6ef732c33f2d8f5
