[INFO] fetching crate conf_derive 0.1.3...
[INFO] testing conf_derive-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate conf_derive 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate conf_derive 0.1.3
[INFO] finished tweaking crates.io crate conf_derive 0.1.3
[INFO] tweaked toml for crates.io crate conf_derive 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate conf_derive 0.1.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate conf_derive 0.1.3 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abeae74de6453cf2cd1786e40b9646e35a83efc427f98a22c0ae4c9ee7960dec
[INFO] running `Command { std: "docker" "start" "-a" "abeae74de6453cf2cd1786e40b9646e35a83efc427f98a22c0ae4c9ee7960dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abeae74de6453cf2cd1786e40b9646e35a83efc427f98a22c0ae4c9ee7960dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abeae74de6453cf2cd1786e40b9646e35a83efc427f98a22c0ae4c9ee7960dec", kill_on_drop: false }`
[INFO] [stdout] abeae74de6453cf2cd1786e40b9646e35a83efc427f98a22c0ae4c9ee7960dec
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef7344ad0d5aff6f84e7311ec6ca7153ed2282620c1a972f9d8cc288dc36445e
[INFO] running `Command { std: "docker" "start" "-a" "ef7344ad0d5aff6f84e7311ec6ca7153ed2282620c1a972f9d8cc288dc36445e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling conf_derive v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "ef7344ad0d5aff6f84e7311ec6ca7153ed2282620c1a972f9d8cc288dc36445e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7344ad0d5aff6f84e7311ec6ca7153ed2282620c1a972f9d8cc288dc36445e", kill_on_drop: false }`
[INFO] [stdout] ef7344ad0d5aff6f84e7311ec6ca7153ed2282620c1a972f9d8cc288dc36445e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240a499f99a20d783eabec0da9dbc73fa72c9c3b63593d29cd1e0fd15f1d6211
[INFO] running `Command { std: "docker" "start" "-a" "240a499f99a20d783eabec0da9dbc73fa72c9c3b63593d29cd1e0fd15f1d6211", kill_on_drop: false }`
[INFO] [stderr]    Compiling conf_derive v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "240a499f99a20d783eabec0da9dbc73fa72c9c3b63593d29cd1e0fd15f1d6211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240a499f99a20d783eabec0da9dbc73fa72c9c3b63593d29cd1e0fd15f1d6211", kill_on_drop: false }`
[INFO] [stdout] 240a499f99a20d783eabec0da9dbc73fa72c9c3b63593d29cd1e0fd15f1d6211
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b70d36db46a8b8747033805e75b4276fed9c0de591c73a461233d5ed8cc7cdab
[INFO] running `Command { std: "docker" "start" "-a" "b70d36db46a8b8747033805e75b4276fed9c0de591c73a461233d5ed8cc7cdab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/conf_derive-bef467286ed22d3c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test proc_macro_options::field_item::flatten_item::tests::test_make_env_prefix ... ok
[INFO] [stdout] test proc_macro_options::field_item::flatten_item::tests::test_make_long_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests conf_derive
[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] running `Command { std: "docker" "inspect" "b70d36db46a8b8747033805e75b4276fed9c0de591c73a461233d5ed8cc7cdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70d36db46a8b8747033805e75b4276fed9c0de591c73a461233d5ed8cc7cdab", kill_on_drop: false }`
[INFO] [stdout] b70d36db46a8b8747033805e75b4276fed9c0de591c73a461233d5ed8cc7cdab