[INFO] fetching crate prometheus-client-derive-encode 0.5.0...
[INFO] testing prometheus-client-derive-encode-0.5.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate prometheus-client-derive-encode 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate prometheus-client-derive-encode 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate prometheus-client-derive-encode 0.5.0
[INFO] tweaked toml for crates.io crate prometheus-client-derive-encode 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-client-derive-encode 0.5.0 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] crate crates.io crate prometheus-client-derive-encode 0.5.0 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" "+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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7349257f83b64d052edb4aab61f3d988b91ccf40e48df25adce485ae562d3f41
[INFO] running `Command { std: "docker" "start" "-a" "7349257f83b64d052edb4aab61f3d988b91ccf40e48df25adce485ae562d3f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7349257f83b64d052edb4aab61f3d988b91ccf40e48df25adce485ae562d3f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7349257f83b64d052edb4aab61f3d988b91ccf40e48df25adce485ae562d3f41", kill_on_drop: false }`
[INFO] [stdout] 7349257f83b64d052edb4aab61f3d988b91ccf40e48df25adce485ae562d3f41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1bb8420694fa5e3630e08d948626b2c5503be89b6747668eb8db1c939ee41e99
[INFO] running `Command { std: "docker" "start" "-a" "1bb8420694fa5e3630e08d948626b2c5503be89b6747668eb8db1c939ee41e99", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "1bb8420694fa5e3630e08d948626b2c5503be89b6747668eb8db1c939ee41e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb8420694fa5e3630e08d948626b2c5503be89b6747668eb8db1c939ee41e99", kill_on_drop: false }`
[INFO] [stdout] 1bb8420694fa5e3630e08d948626b2c5503be89b6747668eb8db1c939ee41e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9eef6b29f4d90dae170fbb884e73eac2f198a26b103e79a1848567e4a093ddda
[INFO] running `Command { std: "docker" "start" "-a" "9eef6b29f4d90dae170fbb884e73eac2f198a26b103e79a1848567e4a093ddda", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling toml_parser v1.0.1
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml v0.9.4
[INFO] [stderr]    Compiling trybuild v1.0.110
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use prometheus_client::encoding::text::encode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prometheus_client::encoding::{EncodeLabelSet, EncodeLabelValue};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prometheus_client::metrics::counter::Counter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use prometheus_client::metrics::family::Family;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use prometheus_client::registry::Registry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     use prometheus_client::encoding::protobuf::encode;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use prometheus_client::encoding::protobuf::openmetrics_data_model;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use prometheus_client::metrics::counter::Counter;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     use prometheus_client::metrics::family::Family;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use prometheus_client::registry::Registry;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `prometheus` in this scope
[INFO] [stdout]    --> tests/lib.rs:182:11
[INFO] [stdout]     |
[INFO] [stdout] 182 |         #[prometheus(flatten)]
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prometheus-client-derive-encode` (test "lib") due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9eef6b29f4d90dae170fbb884e73eac2f198a26b103e79a1848567e4a093ddda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eef6b29f4d90dae170fbb884e73eac2f198a26b103e79a1848567e4a093ddda", kill_on_drop: false }`
[INFO] [stdout] 9eef6b29f4d90dae170fbb884e73eac2f198a26b103e79a1848567e4a093ddda
