[INFO] fetching crate scuffle-metrics-derive 0.4.2...
[INFO] building scuffle-metrics-derive-0.4.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate scuffle-metrics-derive 0.4.2 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scuffle-metrics-derive 0.4.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95f9125a44c26d546220cb074ff2530fafdcc5c1db9cb0ca5c7af848bc97f2b8
[INFO] running `Command { std: "docker" "start" "-a" "95f9125a44c26d546220cb074ff2530fafdcc5c1db9cb0ca5c7af848bc97f2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f9125a44c26d546220cb074ff2530fafdcc5c1db9cb0ca5c7af848bc97f2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f9125a44c26d546220cb074ff2530fafdcc5c1db9cb0ca5c7af848bc97f2b8", kill_on_drop: false }`
[INFO] [stdout] 95f9125a44c26d546220cb074ff2530fafdcc5c1db9cb0ca5c7af848bc97f2b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a36c926352a768327717e374efc589ccf712054408231ec6740bd013e5c6a21c
[INFO] running `Command { std: "docker" "start" "-a" "a36c926352a768327717e374efc589ccf712054408231ec6740bd013e5c6a21c", 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 6.98s
[INFO] running `Command { std: "docker" "inspect" "a36c926352a768327717e374efc589ccf712054408231ec6740bd013e5c6a21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36c926352a768327717e374efc589ccf712054408231ec6740bd013e5c6a21c", kill_on_drop: false }`
[INFO] [stdout] a36c926352a768327717e374efc589ccf712054408231ec6740bd013e5c6a21c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470c9fa83e69a1cd79682b1e673c3ead26e2c318dc27b03713832b1b50855156
[INFO] running `Command { std: "docker" "start" "-a" "470c9fa83e69a1cd79682b1e673c3ead26e2c318dc27b03713832b1b50855156", 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 0.70s
[INFO] running `Command { std: "docker" "inspect" "470c9fa83e69a1cd79682b1e673c3ead26e2c318dc27b03713832b1b50855156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470c9fa83e69a1cd79682b1e673c3ead26e2c318dc27b03713832b1b50855156", kill_on_drop: false }`
[INFO] [stdout] 470c9fa83e69a1cd79682b1e673c3ead26e2c318dc27b03713832b1b50855156