[INFO] fetching crate libcnb 0.1.1...
[INFO] testing libcnb-0.1.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate libcnb 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libcnb 0.1.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libcnb 0.1.1
[INFO] finished tweaking crates.io crate libcnb 0.1.1
[INFO] tweaked toml for crates.io crate libcnb 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 07e05fc8e82a6b30279e4e3ab5b0641f1d78e4e93807f74cb2f699cb2c2f1c1f
[INFO] running `Command { std: "docker" "start" "-a" "07e05fc8e82a6b30279e4e3ab5b0641f1d78e4e93807f74cb2f699cb2c2f1c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e05fc8e82a6b30279e4e3ab5b0641f1d78e4e93807f74cb2f699cb2c2f1c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e05fc8e82a6b30279e4e3ab5b0641f1d78e4e93807f74cb2f699cb2c2f1c1f", kill_on_drop: false }`
[INFO] [stdout] 07e05fc8e82a6b30279e4e3ab5b0641f1d78e4e93807f74cb2f699cb2c2f1c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f7ccf6c71ebef4ae14e82abd06df20ba3ed54200ef19cdbbaeadbc5a1eb7986
[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" "5f7ccf6c71ebef4ae14e82abd06df20ba3ed54200ef19cdbbaeadbc5a1eb7986", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling libcnb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.20s
[INFO] running `Command { std: "docker" "inspect" "5f7ccf6c71ebef4ae14e82abd06df20ba3ed54200ef19cdbbaeadbc5a1eb7986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7ccf6c71ebef4ae14e82abd06df20ba3ed54200ef19cdbbaeadbc5a1eb7986", kill_on_drop: false }`
[INFO] [stdout] 5f7ccf6c71ebef4ae14e82abd06df20ba3ed54200ef19cdbbaeadbc5a1eb7986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2298ad3aae8828d6ffd6568f50025eab890c066405a1fe90c9c2a3f8e9f8359f
[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" "2298ad3aae8828d6ffd6568f50025eab890c066405a1fe90c9c2a3f8e9f8359f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[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 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "2298ad3aae8828d6ffd6568f50025eab890c066405a1fe90c9c2a3f8e9f8359f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2298ad3aae8828d6ffd6568f50025eab890c066405a1fe90c9c2a3f8e9f8359f", kill_on_drop: false }`
[INFO] [stdout] 2298ad3aae8828d6ffd6568f50025eab890c066405a1fe90c9c2a3f8e9f8359f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c7e0da17e0edfdcf50be6fd0017ae929aeb58fb6d331eb6af8d6149e14da049
[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" "4c7e0da17e0edfdcf50be6fd0017ae929aeb58fb6d331eb6af8d6149e14da049", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libcnb-da045f7aa280609d)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test data::build_plan::tests::it_writes_simple_build_plan ... 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_plan::tests::it_parses_empty ... ok
[INFO] [stdout] test data::layer::tests::metadata_is_optional ... 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_metabuildpack ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_simple ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_minimal_buildpack ... ok
[INFO] [stdout] test data::buildpack_plan::tests::it_parses_with_metadata ... ok
[INFO] [stdout] test data::buildpack::tests::can_serialize_minimal_metabuildpack ... ok
[INFO] [stdout] test layer::tests::new_reads_layer_toml_metadata ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcnb
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/platform.rs - platform::PlatformEnv::var (line 62) - compile ... ok
[INFO] [stdout] test src/platform.rs - platform::PlatformEnv::from_path (line 80) - compile ... ok
[INFO] [stdout] test src/platform.rs - platform::Platform::from_path (line 28) - compile ... 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 80) ... ok
[INFO] [stdout] test src/data/buildpack.rs - data::buildpack::BuildpackId (line 149) ... ok
[INFO] [stdout] test src/data/launch.rs - data::launch::Launch (line 22) ... ok
[INFO] [stdout] test src/layer.rs - layer::Layer::new_with_content_metadata (line 75) ... ok
[INFO] [stdout] test src/layer.rs - layer::Layer::write_content_metadata_with_fn (line 148) ... ok
[INFO] [stdout] test src/layer.rs - layer::Layer::new (line 33) ... ok
[INFO] [stdout] test src/data/buildpack.rs - data::buildpack::BuildpackToml (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c7e0da17e0edfdcf50be6fd0017ae929aeb58fb6d331eb6af8d6149e14da049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7e0da17e0edfdcf50be6fd0017ae929aeb58fb6d331eb6af8d6149e14da049", kill_on_drop: false }`
[INFO] [stdout] 4c7e0da17e0edfdcf50be6fd0017ae929aeb58fb6d331eb6af8d6149e14da049