[INFO] fetching crate libcnb 0.7.0...
[INFO] testing libcnb-0.7.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate libcnb 0.7.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate libcnb 0.7.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libcnb 0.7.0
[INFO] finished tweaking crates.io crate libcnb 0.7.0
[INFO] tweaked toml for crates.io crate libcnb 0.7.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cfcaf8d01464f33e7232ebd6b91f1158123847dc0c05234010a36b47f62316b
[INFO] running `Command { std: "docker" "start" "-a" "5cfcaf8d01464f33e7232ebd6b91f1158123847dc0c05234010a36b47f62316b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cfcaf8d01464f33e7232ebd6b91f1158123847dc0c05234010a36b47f62316b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfcaf8d01464f33e7232ebd6b91f1158123847dc0c05234010a36b47f62316b", kill_on_drop: false }`
[INFO] [stdout] 5cfcaf8d01464f33e7232ebd6b91f1158123847dc0c05234010a36b47f62316b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9393d371ffb35004b257651ac820d87bd38c55054a9ee2a17420112e5b6f043b
[INFO] running `Command { std: "docker" "start" "-a" "9393d371ffb35004b257651ac820d87bd38c55054a9ee2a17420112e5b6f043b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling camino v1.0.7
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling fancy-regex v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling libcnb-proc-macros v0.2.1
[INFO] [stderr]    Compiling libcnb-data v0.6.0
[INFO] [stderr]    Compiling libcnb v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.55s
[INFO] running `Command { std: "docker" "inspect" "9393d371ffb35004b257651ac820d87bd38c55054a9ee2a17420112e5b6f043b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9393d371ffb35004b257651ac820d87bd38c55054a9ee2a17420112e5b6f043b", kill_on_drop: false }`
[INFO] [stdout] 9393d371ffb35004b257651ac820d87bd38c55054a9ee2a17420112e5b6f043b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 289dd5397205f380af6a70548c49cd203743be4d73acccdc9df4137e06504bc0
[INFO] running `Command { std: "docker" "start" "-a" "289dd5397205f380af6a70548c49cd203743be4d73acccdc9df4137e06504bc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling libcnb v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.49s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcnb-f7df9f8932458f76)
[INFO] running `Command { std: "docker" "inspect" "289dd5397205f380af6a70548c49cd203743be4d73acccdc9df4137e06504bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289dd5397205f380af6a70548c49cd203743be4d73acccdc9df4137e06504bc0", kill_on_drop: false }`
[INFO] [stdout] 289dd5397205f380af6a70548c49cd203743be4d73acccdc9df4137e06504bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63315e46b5c952aed8c87bb16bc6a705addf2191857bee02c44aa323145b43fd
[INFO] running `Command { std: "docker" "start" "-a" "63315e46b5c952aed8c87bb16bc6a705addf2191857bee02c44aa323145b43fd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcnb-f7df9f8932458f76)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test layer::handling::tests::delete_layer ... ok
[INFO] [stdout] test layer::handling::tests::delete_nonexisting_layer ... ok
[INFO] [stdout] test layer::handling::tests::delete_disjointed_layer ... ok
[INFO] [stdout] test layer::handling::tests::read_layer_without_layer_content_metadata ... ok
[INFO] [stdout] test layer::handling::tests::read_nonexistent_layer ... ok
[INFO] [stdout] test layer::handling::tests::read_incompatible_metadata_layer ... ok
[INFO] [stdout] test layer::handling::tests::read_layer_without_layer_directory ... ok
[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::write_layer_keep_execd ... ok
[INFO] [stdout] test layer::handling::tests::write_nonexisting_layer_with_nonexisting_exec_d_path ... ok
[INFO] [stdout] test layer::handling::tests::write_nonexisting_layer ... ok
[INFO] [stdout] test env::tests::into_iterator ... ok
[INFO] [stdout] test layer_env::tests::layer_env_delta_eq ... ok
[INFO] [stdout] test layer_env::tests::layer_env_delta_fs_read_write ... ok
[INFO] [stdout] test layer_env::tests::modification_behavior_order ... ok
[INFO] [stdout] test layer_env::tests::layer_env_insert ... ok
[INFO] [stdout] test layer::tests::create_then_recreate ... ok
[INFO] [stdout] test layer_env::tests::read_from_layer_dir_layer_paths_build ... ok
[INFO] [stdout] test layer_env::tests::read_from_layer_dir_layer_paths_launch ... ok
[INFO] [stdout] test layer::tests::create ... ok
[INFO] [stdout] test layer::tests::default_layer_method_implementations ... ok
[INFO] [stdout] test layer::tests::error_handling_no_directory ... ok
[INFO] [stdout] test layer_env::tests::reference_impl_add_root_dir_should_append_posix_directories ... 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 platform::tests::read_platform_env_handles_directories_in_env_folder ... ok
[INFO] [stdout] test util::tests::default_on_not_found_with_brokenpipe ... ok
[INFO] [stdout] test layer_env::tests::reference_impl_env_files_have_a_suffix_it_performs_the_matching_action ... 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 layer::tests::error_handling_no_metadata_toml ... ok
[INFO] [stdout] test platform::tests::read_platform_env_handles_directories_via_symlinks ... ok
[INFO] [stdout] test util::tests::default_on_not_found_with_ok ... ok
[INFO] [stdout] test layer::tests::write_layer_env ... ok
[INFO] [stdout] test layer::tests::update_with_incompatible_metadata_recreate ... ok
[INFO] [stdout] test layer::handling::tests::write_existing_layer_overwrite_with_empty_execd ... ok
[INFO] [stdout] test layer::handling::tests::write_existing_layer_keep_execd ... ok
[INFO] [stdout] test layer::tests::layer_env_read_write ... ok
[INFO] [stdout] test layer::tests::create_then_keep ... ok
[INFO] [stdout] test layer::tests::create_then_update ... ok
[INFO] [stdout] test layer::tests::update_with_incompatible_metadata_replace ... ok
[INFO] [stdout] test layer::handling::tests::write_existing_layer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 | #[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" "63315e46b5c952aed8c87bb16bc6a705addf2191857bee02c44aa323145b43fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63315e46b5c952aed8c87bb16bc6a705addf2191857bee02c44aa323145b43fd", kill_on_drop: false }`
[INFO] [stdout] 63315e46b5c952aed8c87bb16bc6a705addf2191857bee02c44aa323145b43fd