[INFO] cloning repository https://github.com/clechasseur/cargo-msrv-prep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clechasseur/cargo-msrv-prep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclechasseur%2Fcargo-msrv-prep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclechasseur%2Fcargo-msrv-prep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8625b8904fa50b157d82268d38814f989054b4f
[INFO] testing clechasseur/cargo-msrv-prep against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclechasseur%2Fcargo-msrv-prep" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/clechasseur/cargo-msrv-prep
[INFO] finished tweaking git repo https://github.com/clechasseur/cargo-msrv-prep
[INFO] tweaked toml for git repo https://github.com/clechasseur/cargo-msrv-prep written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/clechasseur/cargo-msrv-prep on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/clechasseur/cargo-msrv-prep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-log-macros v0.2.19
[INFO] [stderr]   Downloaded clap-verbosity-flag v3.0.4
[INFO] [stderr]   Downloaded camino v1.2.1
[INFO] [stderr]   Downloaded mockall v0.14.0
[INFO] [stderr]   Downloaded doc-comment v0.3.4
[INFO] [stderr]   Downloaded mockall_double v0.3.1
[INFO] [stderr]   Downloaded test-log v0.2.19
[INFO] [stderr]   Downloaded assert_fs v1.1.3
[INFO] [stderr]   Downloaded globwalk v0.9.1
[INFO] [stderr]   Downloaded assert_cmd v2.1.1
[INFO] [stderr]   Downloaded globset v0.4.18
[INFO] [stderr]   Downloaded ignore v0.4.25
[INFO] [stderr]   Downloaded mockall_derive v0.14.0
[INFO] [stderr]   Downloaded clap-cargo v0.13.0
[INFO] [stderr]   Downloaded bstr v1.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bba42a3091dbe221f8c32b6ddd3626d9407e42b2de2ac659c4ea2ad6001d5ebc
[INFO] running `Command { std: "docker" "start" "-a" "bba42a3091dbe221f8c32b6ddd3626d9407e42b2de2ac659c4ea2ad6001d5ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bba42a3091dbe221f8c32b6ddd3626d9407e42b2de2ac659c4ea2ad6001d5ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba42a3091dbe221f8c32b6ddd3626d9407e42b2de2ac659c4ea2ad6001d5ebc", kill_on_drop: false }`
[INFO] [stdout] bba42a3091dbe221f8c32b6ddd3626d9407e42b2de2ac659c4ea2ad6001d5ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 879c50d5c8191a3095ab2bfab387676371e12e59f313ae22aa31ab62b56fce4e
[INFO] running `Command { std: "docker" "start" "-a" "879c50d5c8191a3095ab2bfab387676371e12e59f313ae22aa31ab62b56fce4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling jiff v0.2.16
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling toml_writer v1.0.4
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling mockall_double v0.3.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling clap-verbosity-flag v3.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]    Compiling clap-cargo v0.13.0
[INFO] [stderr]    Compiling cargo-msrv-prep v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.44s
[INFO] running `Command { std: "docker" "inspect" "879c50d5c8191a3095ab2bfab387676371e12e59f313ae22aa31ab62b56fce4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879c50d5c8191a3095ab2bfab387676371e12e59f313ae22aa31ab62b56fce4e", kill_on_drop: false }`
[INFO] [stdout] 879c50d5c8191a3095ab2bfab387676371e12e59f313ae22aa31ab62b56fce4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92c8aa68777f134cfff4a2e922f5971dd59f20c83cc3a0cbfd1425ae47b6fab7
[INFO] running `Command { std: "docker" "start" "-a" "92c8aa68777f134cfff4a2e922f5971dd59f20c83cc3a0cbfd1425ae47b6fab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling mockall_derive v0.14.0
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling assert_cmd v2.1.1
[INFO] [stderr]    Compiling mockall v0.14.0
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling mockall_double v0.3.1
[INFO] [stderr]    Compiling test-log-macros v0.2.19
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling clap-verbosity-flag v3.0.4
[INFO] [stderr]    Compiling test-log v0.2.19
[INFO] [stderr]    Compiling ignore v0.4.25
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling globwalk v0.9.1
[INFO] [stderr]    Compiling assert_fs v1.1.3
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]    Compiling clap-cargo v0.13.0
[INFO] [stderr]    Compiling cargo-msrv-prep v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.27s
[INFO] running `Command { std: "docker" "inspect" "92c8aa68777f134cfff4a2e922f5971dd59f20c83cc3a0cbfd1425ae47b6fab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c8aa68777f134cfff4a2e922f5971dd59f20c83cc3a0cbfd1425ae47b6fab7", kill_on_drop: false }`
[INFO] [stdout] 92c8aa68777f134cfff4a2e922f5971dd59f20c83cc3a0cbfd1425ae47b6fab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 581376e390aa35b39e5dbf6eb255f5b58a8273946e0028042ac889e9dcb7f531
[INFO] running `Command { std: "docker" "start" "-a" "581376e390aa35b39e5dbf6eb255f5b58a8273946e0028042ac889e9dcb7f531", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_msrv_prep-345d02767e70cce2)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test detail::tests::merge_msrv_dependencies::test_type_override ... ok
[INFO] [stdout] test detail::tests::merge_msrv_dependencies::test_build_dependencies_merging ... ok
[INFO] [stdout] test detail::tests::merge_msrv_dependencies::test_dependencies_merging ... ok
[INFO] [stdout] test detail::toml::tests::test_replacement ... ok
[INFO] [stdout] test detail::toml::tests::test_simple_items ... ok
[INFO] [stdout] test detail::toml::tests::test_array_of_tables ... ok
[INFO] [stdout] test detail::toml::tests::test_recursive_tables ... ok
[INFO] [stdout] test result::tests::impl_io_error_context_for_io_error::with_io_context ... ok
[INFO] [stdout] test detail::tests::merge_msrv_dependencies::test_target_dependencies_merging ... ok
[INFO] [stdout] test result::tests::impl_io_error_context_for_core_result::with_io_context::for_ok ... ok
[INFO] [stdout] test detail::toml::tests::test_table ... ok
[INFO] [stdout] test tests::maybe_restore_manifest::errors::backup_rename_error ... ok
[INFO] [stdout] test tests::maybe_merge_msrv_dependencies::skip_parent_path ... ok
[INFO] [stdout] test tests::remove_rust_version::no_rust_version ... ok
[INFO] [stdout] test result::tests::impl_io_error_context_for_core_result::with_io_context::for_error ... ok
[INFO] [stdout] test tests::backup_manifest::errors::backup_copy_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_msrv_prep-2c8a66e01c6cc76d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::errors::modified_manifest_write_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/cargo_msrv_unprep.rs (/opt/rustwide/target/debug/deps/cargo_msrv_unprep-f9124d457318666d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cargo_msrv_prep_tests.rs (/opt/rustwide/target/debug/deps/cargo_msrv_prep_tests-daf3da7e18e94e5e)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test simple_project::overwrite_existing_manifest_backup ... ok
[INFO] [stdout] test simple_project::dry_run ... ok
[INFO] [stdout] test simple_project::fail_because_backup_manifest_already_exists ... ok
[INFO] [stdout] test simple_project::no_remove_rust_version ... ok
[INFO] [stdout] test simple_project::no_merge_pinned_dependencies ... ok
[INFO] [stdout] test simple_project::dry_run_with_backup_root_manifest ... ok
[INFO] [stdout] test simple_project::effectively_a_dry_run ... ok
[INFO] [stdout] test simple_project::custom_values ... ok
[INFO] [stdout] test no_changes::no_op ... ok
[INFO] [stdout] test simple_project::overwrite_existing_lockfile_backup ... ok
[INFO] [stdout] test simple_project::all ... ok
[INFO] [stdout] test simple_project::fail_because_backup_lockfile_already_exists ... ok
[INFO] [stdout] test with_workspaces::rootless_workspace::backup_root_manifest ... FAILED
[INFO] [stdout] test with_workspaces::workspace::excluded_packages_tests::without_member_a ... FAILED
[INFO] [stdout] test with_workspaces::workspace::specific_packages_tests::member_c ... FAILED
[INFO] [stdout] test with_workspaces::workspace::excluded_packages_tests::without_root_package ... FAILED
[INFO] [stdout] test with_workspaces::workspace::backup_root_manifest ... FAILED
[INFO] [stdout] test with_workspaces::workspace::excluded_packages_tests::without_member_b ... FAILED
[INFO] [stdout] test with_workspaces::workspace::specific_packages_tests::member_b ... FAILED
[INFO] [stdout] test with_workspaces::workspace::specific_packages_tests::member_a ... FAILED
[INFO] [stdout] test with_workspaces::workspace::specific_packages_tests::root_package ... FAILED
[INFO] [stdout] test with_workspaces::rootless_workspace::all ... FAILED
[INFO] [stdout] test with_workspaces::rootless_workspace::dry_run_with_backup_root_manifest ... FAILED
[INFO] [stdout] test with_workspaces::workspace::all ... FAILED
[INFO] [stdout] test with_workspaces::workspace::excluded_packages_tests::without_member_c ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::rootless_workspace::backup_root_manifest stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::rootless_workspace::backup_root_manifest' (62) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: true }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"warning: virtual workspace defaulting to `resolver = \\\"1\\\"` despite one or more workspace members being on edition 2021 which implies `resolver = \\\"2\\\"`\\n  |\\n  = note: to keep the current resolver, specify `workspace.resolver = \\\"1\\\"` in the workspace root\'s manifest\\n  = note: to use the edition 2021 resolver, specify `workspace.resolver = \\\"2\\\"` in the workspace root\'s manifest\\n  = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions\\n    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp7Bzd4f/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmp7Bzd4f" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "--backup-root-manifest" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: true }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"warning: virtual workspace defaulting to `resolver = \\\"1\\\"` despite one or more workspace members being on edition 2021 which implies `resolver = \\\"2\\\"`\\n  |\\n  = note: to keep the current resolver, specify `workspace.resolver = \\\"1\\\"` in the workspace root\'s manifest\\n  = note: to use the edition 2021 resolver, specify `workspace.resolver = \\\"2\\\"` in the workspace root\'s manifest\\n  = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions\\n    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp7Bzd4f/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a12326966 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::backup_root_manifest
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:513:18
[INFO] [stdout]   25:     0x5f9a12325817 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::backup_root_manifest::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:503:34
[INFO] [stdout]   26:     0x5f9a1232a6d6 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::backup_root_manifest::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   29:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   30:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   31:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   36:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   37:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   39:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   40:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   44:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   46:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   47:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   48:     0x7d21b3d65a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::excluded_packages_tests::without_member_a stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::excluded_packages_tests::without_member_a' (128) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [\"test-workspace-member-a\"] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp3Nxitj/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmp3Nxitj" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "--exclude" "test-workspace-member-a" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [\"test-workspace-member-a\"] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp3Nxitj/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a123274de - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::test_without_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:446:22
[INFO] [stdout]   25:     0x5f9a12327623 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_a
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:464:17
[INFO] [stdout]   26:     0x5f9a12325907 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_a::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:463:34
[INFO] [stdout]   27:     0x5f9a1232a816 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_a::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   49:     0x7d21b3d65a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::specific_packages_tests::member_c stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::specific_packages_tests::member_c' (158) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [\"test-workspace-member-c\"], workspace: false, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp1xKxCa/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmp1xKxCa" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--package" "test-workspace-member-c" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [\"test-workspace-member-c\"], workspace: false, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp1xKxCa/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a12327851 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::test_with_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:400:22
[INFO] [stdout]   25:     0x5f9a12327a33 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:428:17
[INFO] [stdout]   26:     0x5f9a12325ad7 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_c::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:427:26
[INFO] [stdout]   27:     0x5f9a1232a9d6 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_c::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   49:     0x7d21b3d65a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::excluded_packages_tests::without_root_package stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::excluded_packages_tests::without_root_package' (148) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [\"test-workspace\"] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp1eM6XM/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmp1eM6XM" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "--exclude" "test-workspace" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [\"test-workspace\"] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp1eM6XM/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a123274de - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::test_without_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:446:22
[INFO] [stdout]   25:     0x5f9a123276b0 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_root_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:459:17
[INFO] [stdout]   26:     0x5f9a123259d7 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_root_package::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:458:38
[INFO] [stdout]   27:     0x5f9a1232a8d6 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_root_package::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   49:     0x7d21b3d65a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::backup_root_manifest stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::backup_root_manifest' (126) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: true }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpKjm8bE/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpKjm8bE" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "--backup-root-manifest" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: true }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpKjm8bE/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stderr] error: test failed, to rerun pass `--test cargo_msrv_prep_tests`
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a12327036 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::backup_root_manifest
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:377:18
[INFO] [stdout]   25:     0x5f9a123258a7 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::backup_root_manifest::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:367:34
[INFO] [stdout]   26:     0x5f9a1232a796 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::backup_root_manifest::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   29:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   30:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   31:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   36:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   37:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   39:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   40:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   44:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   46:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   47:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   48:     0x7d21b3d65a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::excluded_packages_tests::without_member_b stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::excluded_packages_tests::without_member_b' (138) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [\"test-workspace-member-b\"] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpRZqPtL/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpRZqPtL" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "--exclude" "test-workspace-member-b" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [\"test-workspace-member-b\"] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpRZqPtL/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a123274de - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::test_without_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:446:22
[INFO] [stdout]   25:     0x5f9a12327653 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_b
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:469:17
[INFO] [stdout]   26:     0x5f9a12325937 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_b::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:468:34
[INFO] [stdout]   27:     0x5f9a1232a856 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_b::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   49:     0x7d21b3d65a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::specific_packages_tests::member_b stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::specific_packages_tests::member_b' (157) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [\"test-workspace-member-b\"], workspace: false, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmprVTHou/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmprVTHou" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--package" "test-workspace-member-b" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [\"test-workspace-member-b\"], workspace: false, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmprVTHou/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a12327851 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::test_with_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:400:22
[INFO] [stdout]   25:     0x5f9a12327a03 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_b
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:423:17
[INFO] [stdout]   26:     0x5f9a12325aa7 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_b::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:422:26
[INFO] [stdout]   27:     0x5f9a1232a996 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_b::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   49:     0x7d21b3d65a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::specific_packages_tests::member_a stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::specific_packages_tests::member_a' (152) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [\"test-workspace-member-a\"], workspace: false, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpaDvfEd/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpaDvfEd" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--package" "test-workspace-member-a" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [\"test-workspace-member-a\"], workspace: false, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpaDvfEd/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a12327851 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::test_with_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:400:22
[INFO] [stdout]   25:     0x5f9a123279d3 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_a
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:418:17
[INFO] [stdout]   26:     0x5f9a12325a77 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_a::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:417:26
[INFO] [stdout]   27:     0x5f9a1232a956 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::member_a::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   49:     0x7d21b3d65a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::specific_packages_tests::root_package stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::specific_packages_tests::root_package' (162) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [\"test-workspace\"], workspace: false, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpRNIcQH/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpRNIcQH" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--package" "test-workspace" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [\"test-workspace\"], workspace: false, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpRNIcQH/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a12327851 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::test_with_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:400:22
[INFO] [stdout]   25:     0x5f9a123279a0 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::root_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:413:17
[INFO] [stdout]   26:     0x5f9a12325a07 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::root_package::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:412:30
[INFO] [stdout]   27:     0x5f9a1232a916 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::specific_packages_tests::root_package::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   49:     0x7d21b3d65a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::rootless_workspace::all stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::rootless_workspace::all' (61) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"warning: virtual workspace defaulting to `resolver = \\\"1\\\"` despite one or more workspace members being on edition 2021 which implies `resolver = \\\"2\\\"`\\n  |\\n  = note: to keep the current resolver, specify `workspace.resolver = \\\"1\\\"` in the workspace root\'s manifest\\n  = note: to use the edition 2021 resolver, specify `workspace.resolver = \\\"2\\\"` in the workspace root\'s manifest\\n  = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions\\n    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpeNkRW8/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpeNkRW8" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"warning: virtual workspace defaulting to `resolver = \\\"1\\\"` despite one or more workspace members being on edition 2021 which implies `resolver = \\\"2\\\"`\\n  |\\n  = note: to keep the current resolver, specify `workspace.resolver = \\\"1\\\"` in the workspace root\'s manifest\\n  = note: to use the edition 2021 resolver, specify `workspace.resolver = \\\"2\\\"` in the workspace root\'s manifest\\n  = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions\\n    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpeNkRW8/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a12326deb - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::all
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:492:18
[INFO] [stdout]   25:     0x5f9a12325877 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::all::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:483:17
[INFO] [stdout]   26:     0x5f9a1232a756 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::all::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   29:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   30:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   31:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   36:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   37:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   39:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   40:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   44:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   46:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   47:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   48:     0x7d21b3d65a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::rootless_workspace::dry_run_with_backup_root_manifest stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::rootless_workspace::dry_run_with_backup_root_manifest' (63) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: true }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: true })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"warning: virtual workspace defaulting to `resolver = \\\"1\\\"` despite one or more workspace members being on edition 2021 which implies `resolver = \\\"2\\\"`\\n  |\\n  = note: to keep the current resolver, specify `workspace.resolver = \\\"1\\\"` in the workspace root\'s manifest\\n  = note: to use the edition 2021 resolver, specify `workspace.resolver = \\\"2\\\"` in the workspace root\'s manifest\\n  = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions\\n    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp7TGEtQ/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmp7TGEtQ" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "--backup-root-manifest" "--dry-run" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: true }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: true })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"warning: virtual workspace defaulting to `resolver = \\\"1\\\"` despite one or more workspace members being on edition 2021 which implies `resolver = \\\"2\\\"`\\n  |\\n  = note: to keep the current resolver, specify `workspace.resolver = \\\"1\\\"` in the workspace root\'s manifest\\n  = note: to use the edition 2021 resolver, specify `workspace.resolver = \\\"2\\\"` in the workspace root\'s manifest\\n  = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions\\n    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp7TGEtQ/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a12326bc5 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::dry_run_with_backup_root_manifest
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:535:18
[INFO] [stdout]   25:     0x5f9a12325847 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::dry_run_with_backup_root_manifest::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:524:47
[INFO] [stdout]   26:     0x5f9a1232a716 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::rootless_workspace::dry_run_with_backup_root_manifest::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   29:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   30:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   31:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   36:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   37:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   39:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   40:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   44:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   46:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   47:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   48:     0x7d21b3d65a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::all stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::all' (64) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpaDAJGC/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpaDAJGC" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmpaDAJGC/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a1232725b - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::all
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:356:18
[INFO] [stdout]   25:     0x5f9a123258d7 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::all::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:347:17
[INFO] [stdout]   26:     0x5f9a1232a7d6 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::all::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   29:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   30:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   31:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   36:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   37:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   39:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   40:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   44:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   46:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   47:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   48:     0x7d21b3d65a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- with_workspaces::workspace::excluded_packages_tests::without_member_c stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'with_workspaces::workspace::excluded_packages_tests::without_member_c' (140) panicked at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [\"test-workspace-member-c\"] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp8U08WK/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmp8U08WK" && "/opt/rustwide/target/debug/cargo-msrv-prep" "msrv-prep" "--workspace" "--exclude" "test-workspace-member-c" "-vvvv"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] [2026-01-16T08:40:47Z INFO  cargo_msrv_prep] cargo-msrv-prep started
[INFO] [stdout] [2026-01-16T08:40:47Z TRACE cargo_msrv_prep] Entering `prep_for_msrv` (args: MsrvPrepArgs { common: CommonArgs { verbose: Verbosity { verbose: 4, quiet: 0, phantom: PhantomData<clap_verbosity_flag::ErrorLevel> }, manifest: Manifest { manifest_path: None }, workspace: Workspace { package: [], workspace: true, all: false, exclude: [\"test-workspace-member-c\"] }, manifest_backup_suffix: \".msrv-prep.bak\", backup_root_manifest: false }, pins_file_name: \"msrv-pins.toml\", no_remove_rust_version: false, no_merge_pinned_dependencies: false, force: false, dry_run: false })
[INFO] [stdout] Error: CargoMetadata(CargoMetadata { stderr: \"    Updating crates.io index\\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\nerror: failed to get `wiremock` as a dependency of package `test-workspace-member-a v0.1.0 (/tmp/.tmp8U08WK/member_a)`\\n\\nCaused by:\\n  download of wi/re/wiremock failed\\n\\nCaused by:\\n  failed to download from `https://index.crates.io/wi/re/wiremock`\\n\\nCaused by:\\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\\n\" })
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9a12772092 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9a12772092 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9a12772092 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9a1278ba1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9a1278ba1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f9a12779bf6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9a12779bf6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9a1274d2ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9a1274d2ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9a127687a9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9a12345f7e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9a12345f7e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9a12768962 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9a12768962 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9a1274d3a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9a12744ad9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9a1274e2bd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9a1278c20c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9a123bb1f8 - core[c5ed12ab89cc536a]::panicking::panic_display::<assert_cmd[5940b9acf2a245e3]::assert::AssertError>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f9a123bd7d7 - <assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic::<assert_cmd[5940b9acf2a245e3]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f9a123c16b7 - <<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert> as core[c5ed12ab89cc536a]::ops::function::FnOnce<(assert_cmd[5940b9acf2a245e3]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f9a123ba714 - <core[c5ed12ab89cc536a]::result::Result<assert_cmd[5940b9acf2a245e3]::assert::Assert, assert_cmd[5940b9acf2a245e3]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[5940b9acf2a245e3]::assert::AssertError>::panic<assert_cmd[5940b9acf2a245e3]::assert::Assert>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f9a123bfa70 - <assert_cmd[5940b9acf2a245e3]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.1.1/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f9a123274de - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::test_without_package
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:446:22
[INFO] [stdout]   25:     0x5f9a12327683 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:474:17
[INFO] [stdout]   26:     0x5f9a12325967 - cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_c::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cargo_msrv_prep_tests.rs:473:34
[INFO] [stdout]   27:     0x5f9a1232a896 - <cargo_msrv_prep_tests[f6ca9597a7e83259]::with_workspaces::workspace::excluded_packages_tests::without_member_c::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f9a1233a32b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f9a1233a32b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f9a12346b8a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f9a12346b8a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f9a12346b8a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f9a12341054 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f9a12341054 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f9a12349682 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f9a12349682 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f9a12349682 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f9a12349682 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f9a127712df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f9a127712df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7d21b3cd8aa4 - <unknown>
[INFO] [stdout]   49:     0x7d21b3d65a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     with_workspaces::rootless_workspace::all
[INFO] [stdout]     with_workspaces::rootless_workspace::backup_root_manifest
[INFO] [stdout]     with_workspaces::rootless_workspace::dry_run_with_backup_root_manifest
[INFO] [stdout]     with_workspaces::workspace::all
[INFO] [stdout]     with_workspaces::workspace::backup_root_manifest
[INFO] [stdout]     with_workspaces::workspace::excluded_packages_tests::without_member_a
[INFO] [stdout]     with_workspaces::workspace::excluded_packages_tests::without_member_b
[INFO] [stdout]     with_workspaces::workspace::excluded_packages_tests::without_member_c
[INFO] [stdout]     with_workspaces::workspace::excluded_packages_tests::without_root_package
[INFO] [stdout]     with_workspaces::workspace::specific_packages_tests::member_a
[INFO] [stdout]     with_workspaces::workspace::specific_packages_tests::member_b
[INFO] [stdout]     with_workspaces::workspace::specific_packages_tests::member_c
[INFO] [stdout]     with_workspaces::workspace::specific_packages_tests::root_package
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 13 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "581376e390aa35b39e5dbf6eb255f5b58a8273946e0028042ac889e9dcb7f531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581376e390aa35b39e5dbf6eb255f5b58a8273946e0028042ac889e9dcb7f531", kill_on_drop: false }`
[INFO] [stdout] 581376e390aa35b39e5dbf6eb255f5b58a8273946e0028042ac889e9dcb7f531
