[INFO] fetching crate libcnb 0.5.0...
[INFO] testing libcnb-0.5.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate libcnb 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate libcnb 0.5.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libcnb 0.5.0
[INFO] finished tweaking crates.io crate libcnb 0.5.0
[INFO] tweaked toml for crates.io crate libcnb 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "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] 5ed8245fe603d619ddc8134611d4310ef608670b371f645c1abf14529521970c
[INFO] running `Command { std: "docker" "start" "-a" "5ed8245fe603d619ddc8134611d4310ef608670b371f645c1abf14529521970c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ed8245fe603d619ddc8134611d4310ef608670b371f645c1abf14529521970c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed8245fe603d619ddc8134611d4310ef608670b371f645c1abf14529521970c", kill_on_drop: false }`
[INFO] [stdout] 5ed8245fe603d619ddc8134611d4310ef608670b371f645c1abf14529521970c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153d9aaf72857a96f207daf182a9019ef8ecfdb48b6ded967b5635db430d7ca6
[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" "153d9aaf72857a96f207daf182a9019ef8ecfdb48b6ded967b5635db430d7ca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fancy-regex v0.7.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling libcnb-proc-macros v0.1.1
[INFO] [stderr]    Compiling libcnb-data v0.4.0
[INFO] [stderr]    Compiling libcnb v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "153d9aaf72857a96f207daf182a9019ef8ecfdb48b6ded967b5635db430d7ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153d9aaf72857a96f207daf182a9019ef8ecfdb48b6ded967b5635db430d7ca6", kill_on_drop: false }`
[INFO] [stdout] 153d9aaf72857a96f207daf182a9019ef8ecfdb48b6ded967b5635db430d7ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d12d97d3b7b223cc3a9db0ff8ab300cc23870087183cae546ef102140e40023
[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" "4d12d97d3b7b223cc3a9db0ff8ab300cc23870087183cae546ef102140e40023", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcnb v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "4d12d97d3b7b223cc3a9db0ff8ab300cc23870087183cae546ef102140e40023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d12d97d3b7b223cc3a9db0ff8ab300cc23870087183cae546ef102140e40023", kill_on_drop: false }`
[INFO] [stdout] 4d12d97d3b7b223cc3a9db0ff8ab300cc23870087183cae546ef102140e40023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "test" "--frozen", 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] 93627dcbac1d97bba0e3f4f4b618e398c7dc8dcadf3d7e79012b636dbbce7ea3
[INFO] running `Command { std: "docker" "start" "-a" "93627dcbac1d97bba0e3f4f4b618e398c7dc8dcadf3d7e79012b636dbbce7ea3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libcnb-5f01d1fbeea561b0)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test layer::handling::tests::read_layer ... ok
[INFO] [stdout] test layer::handling::tests::read_malformed_toml_layer ... ok
[INFO] [stdout] test layer::handling::tests::read_nonexistent_layer ... ok
[INFO] [stdout] test layer::handling::tests::write_existing_layer ... ok
[INFO] [stdout] test layer::handling::tests::delete_nonexisting_layer ... ok
[INFO] [stdout] test env::tests::into_iterator ... ok
[INFO] [stdout] test layer::test::create ... ok
[INFO] [stdout] test layer::handling::tests::read_layer_without_layer_content_metadata ... ok
[INFO] [stdout] test layer::handling::tests::read_incompatible_metadata_layer ... ok
[INFO] [stdout] test layer::handling::tests::delete_disjointed_layer ... ok
[INFO] [stdout] test layer::handling::tests::read_layer_without_layer_directory ... ok
[INFO] [stdout] test layer_env::tests::layer_env_delta_eq ... ok
[INFO] [stdout] test layer_env::tests::layer_env_insert ... ok
[INFO] [stdout] test layer_env::tests::layer_env_delta_fs_read_write ... ok
[INFO] [stdout] test layer_env::tests::read_from_layer_dir_layer_paths_build ... ok
[INFO] [stdout] test layer_env::tests::modification_behavior_order ... ok
[INFO] [stdout] test layer::test::error_handling_no_directory ... ok
[INFO] [stdout] test layer::test::update_with_incompatible_metadata_replace ... ok
[INFO] [stdout] test layer::handling::tests::delete_layer ... ok
[INFO] [stdout] test layer::handling::tests::write_nonexisting_layer ... ok
[INFO] [stdout] test layer_env::tests::read_from_layer_dir_layer_paths_launch ... ok
[INFO] [stdout] test layer::test::default_layer_method_implementations ... ok
[INFO] [stdout] test layer::test::write_layer_env ... ok
[INFO] [stdout] test layer_env::tests::reference_impl_add_root_dir_should_append_posix_directories ... ok
[INFO] [stdout] test platform::tests::read_platform_env_handles_directories_via_symlinks ... ok
[INFO] [stdout] test layer_env::tests::reference_impl_env_files_have_no_suffix_default_action_is_override ... ok
[INFO] [stdout] test platform::tests::read_platform_env_does_not_blow_up_if_platform_env_is_missing ... ok
[INFO] [stdout] test layer_env::tests::reference_impl_env_files_have_a_suffix_it_performs_the_matching_action ... ok
[INFO] [stdout] test util::tests::default_on_not_found_with_brokenpipe ... ok
[INFO] [stdout] test platform::tests::read_platform_env_reads_correct_env_vars ... ok
[INFO] [stdout] test util::tests::default_on_not_found_with_notfound ... ok
[INFO] [stdout] test util::tests::default_on_not_found_with_ok ... ok
[INFO] [stdout] test layer::test::update_with_incompatible_metadata_recreate ... ok
[INFO] [stdout] test platform::tests::read_platform_env_handles_directories_in_env_folder ... ok
[INFO] [stdout] test layer::test::create_then_keep ... ok
[INFO] [stdout] test layer::test::create_then_recreate ... ok
[INFO] [stdout] test layer::test::layer_env_read_write ... ok
[INFO] [stdout] test layer::test::error_handling_no_metadata_toml ... ok
[INFO] [stdout] test layer::test::create_then_update ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcnb
[INFO] [stderr] error: couldn't read /opt/rustwide/workdir/src/../../README.md: No such file or directory (os error 2)
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 | #[doc = include_str!("../../README.md")]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "93627dcbac1d97bba0e3f4f4b618e398c7dc8dcadf3d7e79012b636dbbce7ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93627dcbac1d97bba0e3f4f4b618e398c7dc8dcadf3d7e79012b636dbbce7ea3", kill_on_drop: false }`
[INFO] [stdout] 93627dcbac1d97bba0e3f4f4b618e398c7dc8dcadf3d7e79012b636dbbce7ea3