[INFO] fetching crate serfig 0.1.0...
[INFO] testing serfig-0.1.0 against 1.94.0 for beta-1.95-1
[INFO] extracting crate serfig 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate serfig 0.1.0
[INFO] finished tweaking crates.io crate serfig 0.1.0
[INFO] tweaked toml for crates.io crate serfig 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serfig 0.1.0 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "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" "+1.94.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.13.0)
[INFO] [stderr]       Adding serde-bridge v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding serde-env v0.1.1 (available: v0.2.0)
[INFO] [stderr]       Adding toml v0.7.8 (available: v1.0.6+spec-1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded temp-env v0.3.6
[INFO] [stderr]   Downloaded serde-env v0.1.1
[INFO] [stderr]   Downloaded serde-bridge v0.0.3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c746ea61b5977866a36237a7482987b08575adf24dbdb5348ca50e31a9f73af0
[INFO] running `Command { std: "docker" "start" "-a" "c746ea61b5977866a36237a7482987b08575adf24dbdb5348ca50e31a9f73af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c746ea61b5977866a36237a7482987b08575adf24dbdb5348ca50e31a9f73af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c746ea61b5977866a36237a7482987b08575adf24dbdb5348ca50e31a9f73af0", kill_on_drop: false }`
[INFO] [stdout] c746ea61b5977866a36237a7482987b08575adf24dbdb5348ca50e31a9f73af0
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cefdcbfdb7857a348f257f14f44a8b17abe4141b3f61a757cfd05cf1ba8770c5
[INFO] running `Command { std: "docker" "start" "-a" "cefdcbfdb7857a348f257f14f44a8b17abe4141b3f61a757cfd05cf1ba8770c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde-env v0.1.1
[INFO] [stderr]    Compiling serde-bridge v0.0.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling serfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "cefdcbfdb7857a348f257f14f44a8b17abe4141b3f61a757cfd05cf1ba8770c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefdcbfdb7857a348f257f14f44a8b17abe4141b3f61a757cfd05cf1ba8770c5", kill_on_drop: false }`
[INFO] [stdout] cefdcbfdb7857a348f257f14f44a8b17abe4141b3f61a757cfd05cf1ba8770c5
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0df6dbc497b3a24c65eabbd7cb4498516e15b472dece70a67fed063548e7028c
[INFO] running `Command { std: "docker" "start" "-a" "0df6dbc497b3a24c65eabbd7cb4498516e15b472dece70a67fed063548e7028c", kill_on_drop: false }`
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling temp-env v0.3.6
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling serde-env v0.1.1
[INFO] [stderr]    Compiling serde-bridge v0.0.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "0df6dbc497b3a24c65eabbd7cb4498516e15b472dece70a67fed063548e7028c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df6dbc497b3a24c65eabbd7cb4498516e15b472dece70a67fed063548e7028c", kill_on_drop: false }`
[INFO] [stdout] 0df6dbc497b3a24c65eabbd7cb4498516e15b472dece70a67fed063548e7028c
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b73744b3f05e08441a7c24e73f3e32088f7cceca8040695d09698257153f260
[INFO] running `Command { std: "docker" "start" "-a" "2b73744b3f05e08441a7c24e73f3e32088f7cceca8040695d09698257153f260", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serfig-b395da0b1ea2fd5e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test builder::tests::test_build ... ok
[INFO] [stdout] test collectors::structural::tests::test_from_str ... ok
[INFO] [stdout] test collectors::value::tests::test_from_self ... ok
[INFO] [stdout] test value::tests::test_merge ... ok
[INFO] [stdout] test builder::tests::test_layered_build ... ok
[INFO] [stdout] test builder::tests::test_layered_build_default ... ok
[INFO] [stdout] test builder::tests::test_config_bool_enabled ... ok
[INFO] [stdout] test builder::tests::test_layered_build_vec ... ok
[INFO] [stdout] test collectors::env::tests::test_env ... ok
[INFO] [stdout] test builder::tests::test_layered_overwrite ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serfig
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/collectors/collector.rs - collectors::collector::Collector (line 13) ... ignored
[INFO] [stdout] test src/collectors/mod.rs - collectors (line 5) ... ignored
[INFO] [stdout] test src/collectors/value.rs - collectors::value::from_self (line 15) - compile ... ok
[INFO] [stdout] test src/collectors/structural.rs - collectors::structural::from_reader (line 18) - compile ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder<V>::build (line 130) - compile ... FAILED
[INFO] [stdout] test src/collectors/structural.rs - collectors::structural::from_file (line 61) - compile ... ok
[INFO] [stdout] test src/collectors/env.rs - collectors::env::from_env (line 17) ... ok
[INFO] [stdout] test src/collectors/mod.rs - collectors (line 23) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder<V>::build_with (line 72) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder<V>::collect (line 33) ... ok
[INFO] [stdout] test src/collectors/structural.rs - collectors::structural::from_str (line 102) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/builder.rs - builder::Builder<V>::build (line 130) stdout ----
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/builder.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn main() -> anyhow::Result<()> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Serialize` will fail
[INFO] [stdout]    --> src/builder.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let builder = Builder::default()
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 147 |         .collect(from_env::<()>())
[INFO] [stdout]     |                          ++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/builder.rs - builder::Builder<V>::build (line 130)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.98s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2b73744b3f05e08441a7c24e73f3e32088f7cceca8040695d09698257153f260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b73744b3f05e08441a7c24e73f3e32088f7cceca8040695d09698257153f260", kill_on_drop: false }`
[INFO] [stdout] 2b73744b3f05e08441a7c24e73f3e32088f7cceca8040695d09698257153f260
