[INFO] fetching crate tracing-gum-proc-macro 5.0.0...
[INFO] testing tracing-gum-proc-macro-5.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tracing-gum-proc-macro 5.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tracing-gum-proc-macro 5.0.0
[INFO] finished tweaking crates.io crate tracing-gum-proc-macro 5.0.0
[INFO] tweaked toml for crates.io crate tracing-gum-proc-macro 5.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-gum-proc-macro 5.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 038915960a9cbf6ba6ea18ff9a424fe247a69686781686cb632bafcf59500bc4
[INFO] running `Command { std: "docker" "start" "-a" "038915960a9cbf6ba6ea18ff9a424fe247a69686781686cb632bafcf59500bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "038915960a9cbf6ba6ea18ff9a424fe247a69686781686cb632bafcf59500bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038915960a9cbf6ba6ea18ff9a424fe247a69686781686cb632bafcf59500bc4", kill_on_drop: false }`
[INFO] [stdout] 038915960a9cbf6ba6ea18ff9a424fe247a69686781686cb632bafcf59500bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 05f00804c07d0196f8a79bcdd43617ffd5a168636528194ee55f8dcfef3f6b4d
[INFO] running `Command { std: "docker" "start" "-a" "05f00804c07d0196f8a79bcdd43617ffd5a168636528194ee55f8dcfef3f6b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling toml_edit v0.23.6
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling tracing-gum-proc-macro v5.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `Command { std: "docker" "inspect" "05f00804c07d0196f8a79bcdd43617ffd5a168636528194ee55f8dcfef3f6b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f00804c07d0196f8a79bcdd43617ffd5a168636528194ee55f8dcfef3f6b4d", kill_on_drop: false }`
[INFO] [stdout] 05f00804c07d0196f8a79bcdd43617ffd5a168636528194ee55f8dcfef3f6b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 87d1a78b632db135d911bcc6abe7fa5cde27b00eaa1348241809cf601340ecd6
[INFO] running `Command { std: "docker" "start" "-a" "87d1a78b632db135d911bcc6abe7fa5cde27b00eaa1348241809cf601340ecd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling tracing-gum-proc-macro v5.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "87d1a78b632db135d911bcc6abe7fa5cde27b00eaa1348241809cf601340ecd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d1a78b632db135d911bcc6abe7fa5cde27b00eaa1348241809cf601340ecd6", kill_on_drop: false }`
[INFO] [stdout] 87d1a78b632db135d911bcc6abe7fa5cde27b00eaa1348241809cf601340ecd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 505ef7fcd964e0f5b17cd82d995362628f4f7a100faeec17c731381e2dc6451c
[INFO] running `Command { std: "docker" "start" "-a" "505ef7fcd964e0f5b17cd82d995362628f4f7a100faeec17c731381e2dc6451c", 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/tracing_gum_proc_macro-ba9c9352cb02bcd7)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::roundtrip::field_member_as_kv ... ok
[INFO] [stdout] test tests::roundtrip::e2e ... ok
[INFO] [stdout] test tests::roundtrip::nested_field_member_as_kv ... ok
[INFO] [stdout] test tests::roundtrip::no_fmt_str ... ok
[INFO] [stdout] test tests::roundtrip::sample_w_candidate_hash_aliased ... ok
[INFO] [stdout] test tests::roundtrip::sample_w_candidate_hash_aliased_unnecessary ... ok
[INFO] [stdout] test tests::roundtrip::u_args ... ok
[INFO] [stdout] test tests::roundtrip::u_format_marker ... ok
[INFO] [stdout] test tests::roundtrip::u_target ... ok
[INFO] [stdout] test tests::roundtrip::no_fmt_str_args ... ok
[INFO] [stdout] test tests::roundtrip::u_value_bare_w_field_access ... ok
[INFO] [stdout] test tests::roundtrip::u_value_bare_w_format_marker ... ok
[INFO] [stdout] test tests::roundtrip::u_value_w_alias ... ok
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_gum_proc_macro
[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" "505ef7fcd964e0f5b17cd82d995362628f4f7a100faeec17c731381e2dc6451c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505ef7fcd964e0f5b17cd82d995362628f4f7a100faeec17c731381e2dc6451c", kill_on_drop: false }`
[INFO] [stdout] 505ef7fcd964e0f5b17cd82d995362628f4f7a100faeec17c731381e2dc6451c