[INFO] fetching crate metre 0.2.6...
[INFO] testing metre-0.2.6 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate metre 0.2.6 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate metre 0.2.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate metre 0.2.6
[INFO] tweaked toml for crates.io crate metre 0.2.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metre 0.2.6 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 209 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding toml v0.8.23 (available: v0.9.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d35adee01c5c335426eb4cf2140f67115513694ef204b6207531b828a923fdd6
[INFO] running `Command { std: "docker" "start" "-a" "d35adee01c5c335426eb4cf2140f67115513694ef204b6207531b828a923fdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d35adee01c5c335426eb4cf2140f67115513694ef204b6207531b828a923fdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35adee01c5c335426eb4cf2140f67115513694ef204b6207531b828a923fdd6", kill_on_drop: false }`
[INFO] [stdout] d35adee01c5c335426eb4cf2140f67115513694ef204b6207531b828a923fdd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af290ae74dfdb7d453624cefa8f859a43d10d603c2ca635a6d350ff2d624110b
[INFO] running `Command { std: "docker" "start" "-a" "af290ae74dfdb7d453624cefa8f859a43d10d603c2ca635a6d350ff2d624110b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling regex_static_impl v0.1.0
[INFO] [stderr]    Compiling regex_static_macro v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling regex_static v0.1.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling metre-macros v0.2.6
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling metre v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.68s
[INFO] running `Command { std: "docker" "inspect" "af290ae74dfdb7d453624cefa8f859a43d10d603c2ca635a6d350ff2d624110b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af290ae74dfdb7d453624cefa8f859a43d10d603c2ca635a6d350ff2d624110b", kill_on_drop: false }`
[INFO] [stdout] af290ae74dfdb7d453624cefa8f859a43d10d603c2ca635a6d350ff2d624110b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83bd5bb6140178db3bcb0933e698c93649d1970fd738aa6212c1d1c7692216e0
[INFO] running `Command { std: "docker" "start" "-a" "83bd5bb6140178db3bcb0933e698c93649d1970fd738aa6212c1d1c7692216e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling metre v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "83bd5bb6140178db3bcb0933e698c93649d1970fd738aa6212c1d1c7692216e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83bd5bb6140178db3bcb0933e698c93649d1970fd738aa6212c1d1c7692216e0", kill_on_drop: false }`
[INFO] [stdout] 83bd5bb6140178db3bcb0933e698c93649d1970fd738aa6212c1d1c7692216e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9c80430fa22b0d8527fee32a2b0f7a9a73185f89bdc9a82501a153222592958
[INFO] running `Command { std: "docker" "start" "-a" "c9c80430fa22b0d8527fee32a2b0f7a9a73185f89bdc9a82501a153222592958", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metre-eae9ba4eac4c7ac8)
[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/tests.rs (/opt/rustwide/target/debug/deps/tests-1d3b07496c0a474f)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test readme_example ... ignored
[INFO] [stdout] test from_fixed_env ... ok
[INFO] [stdout] test from_env_with_prefix ... ok
[INFO] [stdout] test from_json_code ... ok
[INFO] [stdout] test should_error_on_invalid_type ... ok
[INFO] [stdout] test should_load_env ... ok
[INFO] [stdout] test should_respect_defaults_for_nested_configs ... ok
[INFO] [stdout] test should_respect_defaults_from_attrs ... ok
[INFO] [stdout] test should_load_toml_code ... ok
[INFO] [stdout] test should_skip_env ... ok
[INFO] [stdout] test should_skip_env_for_nested ... ok
[INFO] [stdout] test should_skip_env_for_nested_with_prefix ... ok
[INFO] [stdout] test should_work_for_nested_optional_missing_values ... ok
[INFO] [stdout] test should_load_json_file ... ok
[INFO] [stdout] test should_load_toml_file ... ok
[INFO] [stdout] test should_work_with_custom_merge_functions ... ok
[INFO] [stdout] test test ... ok
[INFO] [stdout] test should_not_list_as_missing_optional_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metre
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9c80430fa22b0d8527fee32a2b0f7a9a73185f89bdc9a82501a153222592958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c80430fa22b0d8527fee32a2b0f7a9a73185f89bdc9a82501a153222592958", kill_on_drop: false }`
[INFO] [stdout] c9c80430fa22b0d8527fee32a2b0f7a9a73185f89bdc9a82501a153222592958