[INFO] fetching crate scuffle-metrics-derive 0.4.2...
[INFO] testing scuffle-metrics-derive-0.4.2 against 1.90.0 for beta-1.91-3
[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 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.21.0
[INFO] [stderr]   Downloaded darling_macro v0.21.0
[INFO] [stderr]   Downloaded scuffle-workspace-hack v0.1.0
[INFO] [stderr]   Downloaded darling_core 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8cd21b592577251220bb1a13f937104ff407a4f2ebd14fcee43f6a15114848f
[INFO] running `Command { std: "docker" "start" "-a" "d8cd21b592577251220bb1a13f937104ff407a4f2ebd14fcee43f6a15114848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8cd21b592577251220bb1a13f937104ff407a4f2ebd14fcee43f6a15114848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cd21b592577251220bb1a13f937104ff407a4f2ebd14fcee43f6a15114848f", kill_on_drop: false }`
[INFO] [stdout] d8cd21b592577251220bb1a13f937104ff407a4f2ebd14fcee43f6a15114848f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af65935f4d66a74b0957a49ddaf595e7de155c77894794ec00906b1dec288df3
[INFO] running `Command { std: "docker" "start" "-a" "af65935f4d66a74b0957a49ddaf595e7de155c77894794ec00906b1dec288df3", 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 9.57s
[INFO] running `Command { std: "docker" "inspect" "af65935f4d66a74b0957a49ddaf595e7de155c77894794ec00906b1dec288df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af65935f4d66a74b0957a49ddaf595e7de155c77894794ec00906b1dec288df3", kill_on_drop: false }`
[INFO] [stdout] af65935f4d66a74b0957a49ddaf595e7de155c77894794ec00906b1dec288df3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4cd7c6c45dec6cf1b8a2f6a9ac27e0ed9e317f651e61333fa74d790fd450cdf
[INFO] running `Command { std: "docker" "start" "-a" "e4cd7c6c45dec6cf1b8a2f6a9ac27e0ed9e317f651e61333fa74d790fd450cdf", 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 0.97s
[INFO] running `Command { std: "docker" "inspect" "e4cd7c6c45dec6cf1b8a2f6a9ac27e0ed9e317f651e61333fa74d790fd450cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cd7c6c45dec6cf1b8a2f6a9ac27e0ed9e317f651e61333fa74d790fd450cdf", kill_on_drop: false }`
[INFO] [stdout] e4cd7c6c45dec6cf1b8a2f6a9ac27e0ed9e317f651e61333fa74d790fd450cdf
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3a65df355848503fb08b0e5a00f45c684afec69e132182103756b2dd8973442
[INFO] running `Command { std: "docker" "start" "-a" "b3a65df355848503fb08b0e5a00f45c684afec69e132182103756b2dd8973442", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scuffle_metrics_derive-a8aac6783809e669)
[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 49) ... FAILED
[INFO] [stdout] test src/lib.rs - metrics (line 70) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] 14 |     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]: failed to resolve: use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout]  --> src/lib.rs:52:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     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] 5 |     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]: failed to resolve: use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout]  --> src/lib.rs:50:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[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] 13 |     #[metrics(unit = "requests")]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this attribute macro
[INFO] [stdout]    |
[INFO] [stdout]  5 +     use scuffle_metrics_derive::metrics;
[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] ---- 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] 10 | 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]: failed to resolve: use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout]  --> src/lib.rs:71:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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] 3 | 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]: failed to resolve: use of unresolved module or unlinked crate `scuffle_metrics`
[INFO] [stdout]  --> src/lib.rs:77:3
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[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] 
[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 0.17s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.34s; merged doctests compilation took 0.17s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b3a65df355848503fb08b0e5a00f45c684afec69e132182103756b2dd8973442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a65df355848503fb08b0e5a00f45c684afec69e132182103756b2dd8973442", kill_on_drop: false }`
[INFO] [stdout] b3a65df355848503fb08b0e5a00f45c684afec69e132182103756b2dd8973442
