[INFO] fetching crate scuffle-metrics 0.4.2...
[INFO] testing scuffle-metrics-0.4.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate scuffle-metrics 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate scuffle-metrics 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate scuffle-metrics 0.4.2
[INFO] tweaked toml for crates.io crate scuffle-metrics 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scuffle-metrics 0.4.2 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 scuffle-metrics 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" "+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] 109d13d1021ca5fa2dff451e95655d6e044f685e8e206bc25d000c3f8e4aacf8
[INFO] running `Command { std: "docker" "start" "-a" "109d13d1021ca5fa2dff451e95655d6e044f685e8e206bc25d000c3f8e4aacf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "109d13d1021ca5fa2dff451e95655d6e044f685e8e206bc25d000c3f8e4aacf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109d13d1021ca5fa2dff451e95655d6e044f685e8e206bc25d000c3f8e4aacf8", kill_on_drop: false }`
[INFO] [stdout] 109d13d1021ca5fa2dff451e95655d6e044f685e8e206bc25d000c3f8e4aacf8
[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] 0aa6a1d153772c9cba8a2d9e9fc6f62c779fcf536d86936b6cf740f2a971bc4b
[INFO] running `Command { std: "docker" "start" "-a" "0aa6a1d153772c9cba8a2d9e9fc6f62c779fcf536d86936b6cf740f2a971bc4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling scuffle-workspace-hack v0.1.0
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling prometheus-client v0.23.1
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling darling_macro v0.21.0
[INFO] [stderr]    Compiling opentelemetry v0.30.0
[INFO] [stderr]    Compiling darling v0.21.0
[INFO] [stderr]    Compiling scuffle-metrics-derive v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling opentelemetry_sdk v0.30.0
[INFO] [stderr]    Compiling scuffle-metrics v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.11s
[INFO] running `Command { std: "docker" "inspect" "0aa6a1d153772c9cba8a2d9e9fc6f62c779fcf536d86936b6cf740f2a971bc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa6a1d153772c9cba8a2d9e9fc6f62c779fcf536d86936b6cf740f2a971bc4b", kill_on_drop: false }`
[INFO] [stdout] 0aa6a1d153772c9cba8a2d9e9fc6f62c779fcf536d86936b6cf740f2a971bc4b
[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] 1fd4eb4eec32eabefadccb8bed1b4494a6ee8087ef7f44aaebbd6afc4aa8eba1
[INFO] running `Command { std: "docker" "start" "-a" "1fd4eb4eec32eabefadccb8bed1b4494a6ee8087ef7f44aaebbd6afc4aa8eba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling opentelemetry v0.30.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling insta v1.43.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling opentelemetry_sdk v0.30.0
[INFO] [stderr]    Compiling opentelemetry-stdout v0.30.0
[INFO] [stderr]    Compiling scuffle-metrics v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `postcompile`
[INFO] [stdout]   --> src/lib.rs:74:33
[INFO] [stdout]    |
[INFO] [stdout] 74 |         insta::assert_snapshot!(postcompile::compile!({
[INFO] [stdout]    |                                 ^^^^^^^^^^^ use of unresolved module or unlinked crate `postcompile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scuffle-metrics` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1fd4eb4eec32eabefadccb8bed1b4494a6ee8087ef7f44aaebbd6afc4aa8eba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd4eb4eec32eabefadccb8bed1b4494a6ee8087ef7f44aaebbd6afc4aa8eba1", kill_on_drop: false }`
[INFO] [stdout] 1fd4eb4eec32eabefadccb8bed1b4494a6ee8087ef7f44aaebbd6afc4aa8eba1
