[INFO] fetching crate scuffle-metrics-derive 0.4.2...
[INFO] testing scuffle-metrics-derive-0.4.2 against 1.95.0 for beta-1.96-2
[INFO] extracting crate scuffle-metrics-derive 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate scuffle-metrics-derive 0.4.2
[INFO] finished tweaking crates.io crate scuffle-metrics-derive 0.4.2
[INFO] tweaked toml for crates.io crate scuffle-metrics-derive 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scuffle-metrics-derive 0.4.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scuffle-metrics-derive 0.4.2 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scuffle-workspace-hack v0.1.0
[INFO] [stderr]   Downloaded darling v0.21.0
[INFO] [stderr]   Downloaded darling_core v0.21.0
[INFO] [stderr]   Downloaded darling_macro v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9df9f8d962b93d7e1dce90486c8167a66fc93adb04df0f7476bf43bf47d08699
[INFO] running `Command { std: "docker" "start" "-a" "9df9f8d962b93d7e1dce90486c8167a66fc93adb04df0f7476bf43bf47d08699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9df9f8d962b93d7e1dce90486c8167a66fc93adb04df0f7476bf43bf47d08699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df9f8d962b93d7e1dce90486c8167a66fc93adb04df0f7476bf43bf47d08699", kill_on_drop: false }`
[INFO] [stdout] 9df9f8d962b93d7e1dce90486c8167a66fc93adb04df0f7476bf43bf47d08699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f676b975e45418536084d7c401392cb427278a5349fe4528d50c3d67c3fe70e
[INFO] running `Command { std: "docker" "start" "-a" "8f676b975e45418536084d7c401392cb427278a5349fe4528d50c3d67c3fe70e", kill_on_drop: false }`
[INFO] [stderr]    Compiling scuffle-workspace-hack v0.1.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]    Compiling darling_macro v0.21.0
[INFO] [stderr]    Compiling darling v0.21.0
[INFO] [stderr]    Compiling scuffle-metrics-derive v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `Command { std: "docker" "inspect" "8f676b975e45418536084d7c401392cb427278a5349fe4528d50c3d67c3fe70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f676b975e45418536084d7c401392cb427278a5349fe4528d50c3d67c3fe70e", kill_on_drop: false }`
[INFO] [stdout] 8f676b975e45418536084d7c401392cb427278a5349fe4528d50c3d67c3fe70e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae3acd8c3f99ac04498f244037a8dc8a49e9a58e83a7ec757f3bd4c7f64b182a
[INFO] running `Command { std: "docker" "start" "-a" "ae3acd8c3f99ac04498f244037a8dc8a49e9a58e83a7ec757f3bd4c7f64b182a", kill_on_drop: false }`
[INFO] [stderr]    Compiling scuffle-metrics-derive v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "ae3acd8c3f99ac04498f244037a8dc8a49e9a58e83a7ec757f3bd4c7f64b182a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3acd8c3f99ac04498f244037a8dc8a49e9a58e83a7ec757f3bd4c7f64b182a", kill_on_drop: false }`
[INFO] [stdout] ae3acd8c3f99ac04498f244037a8dc8a49e9a58e83a7ec757f3bd4c7f64b182a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec5328ab5e9703466e8779c961664236c04047092b5d5adb72c3adcf1e858a60
[INFO] running `Command { std: "docker" "start" "-a" "ec5328ab5e9703466e8779c961664236c04047092b5d5adb72c3adcf1e858a60", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scuffle_metrics_derive-3b3db3846c0ad7d6)
[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]    Doc-tests scuffle_metrics_derive
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - metrics (line 70) ... FAILED
[INFO] [stdout] test src/lib.rs - metrics (line 49) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - metrics (line 70) stdout ----
[INFO] [stdout] error: free function without a body
[INFO] [stdout]   --> src/lib.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn request(kind: Kind) -> CounterU64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `scuffle_metrics` in this scope
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | use scuffle_metrics::{MetricEnum, collector::CounterU64};
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `scuffle_metrics`, use `cargo add scuffle_metrics` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `scuffle_metrics`
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | use scuffle_metrics::{MetricEnum, collector::CounterU64};
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `scuffle_metrics`, use `cargo add scuffle_metrics` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `scuffle_metrics` in this scope
[INFO] [stdout]   --> src/lib.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[scuffle_metrics::metrics(unit = "requests")]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - metrics (line 49) stdout ----
[INFO] [stdout] error: free function without a body
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn request(kind: Kind) -> CounterU64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `scuffle_metrics` in this scope
[INFO] [stdout]   --> src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use scuffle_metrics::{MetricEnum, collector::CounterU64};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `scuffle_metrics`, use `cargo add scuffle_metrics` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `scuffle_metrics`
[INFO] [stdout]   --> src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use scuffle_metrics::{MetricEnum, collector::CounterU64};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `scuffle_metrics`, use `cargo add scuffle_metrics` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `scuffle_metrics` in this scope
[INFO] [stdout]   --> src/lib.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[scuffle_metrics::metrics]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `metrics` in this scope
[INFO] [stdout]   --> src/lib.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[metrics(unit = "requests")]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `metrics` is an attribute that can be used by the derive macro `MetricEnum`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 61 +     #[derive(MetricEnum)]
[INFO] [stdout] 62 |     pub fn request(kind: Kind) -> CounterU64;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - metrics (line 49)
[INFO] [stdout]     src/lib.rs - metrics (line 70)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.50s; merged doctests compilation took 0.26s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ec5328ab5e9703466e8779c961664236c04047092b5d5adb72c3adcf1e858a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5328ab5e9703466e8779c961664236c04047092b5d5adb72c3adcf1e858a60", kill_on_drop: false }`
[INFO] [stdout] ec5328ab5e9703466e8779c961664236c04047092b5d5adb72c3adcf1e858a60
