[INFO] fetching crate serde-tc-macro 0.4.0...
[INFO] testing serde-tc-macro-0.4.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde-tc-macro 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate serde-tc-macro 0.4.0
[INFO] finished tweaking crates.io crate serde-tc-macro 0.4.0
[INFO] tweaked toml for crates.io crate serde-tc-macro 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-tc-macro 0.4.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding proc-macro-crate v0.1.5 (available: v3.4.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.108)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a68a090f26ffaf7987fef2ef5ac705d2020ce23ea6fe88ddaa712ce4c503e5a5
[INFO] running `Command { std: "docker" "start" "-a" "a68a090f26ffaf7987fef2ef5ac705d2020ce23ea6fe88ddaa712ce4c503e5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68a090f26ffaf7987fef2ef5ac705d2020ce23ea6fe88ddaa712ce4c503e5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68a090f26ffaf7987fef2ef5ac705d2020ce23ea6fe88ddaa712ce4c503e5a5", kill_on_drop: false }`
[INFO] [stdout] a68a090f26ffaf7987fef2ef5ac705d2020ce23ea6fe88ddaa712ce4c503e5a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 47c920f39fe35e017b86202c458653b4a0922d9205f3218a7afb53b654d70daa
[INFO] running `Command { std: "docker" "start" "-a" "47c920f39fe35e017b86202c458653b4a0922d9205f3218a7afb53b654d70daa", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-tc-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `encoder` and `dispatcher` are never read
[INFO] [stdout]   --> src/args.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct MacroArgs {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub encoder: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub dispatcher: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "47c920f39fe35e017b86202c458653b4a0922d9205f3218a7afb53b654d70daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c920f39fe35e017b86202c458653b4a0922d9205f3218a7afb53b654d70daa", kill_on_drop: false }`
[INFO] [stdout] 47c920f39fe35e017b86202c458653b4a0922d9205f3218a7afb53b654d70daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b13f850ac5efc985bef6780a14cdffdc7196e62d1b47c0d81fff725dd4b8a7d0
[INFO] running `Command { std: "docker" "start" "-a" "b13f850ac5efc985bef6780a14cdffdc7196e62d1b47c0d81fff725dd4b8a7d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-tc-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `encoder` and `dispatcher` are never read
[INFO] [stdout]   --> src/args.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct MacroArgs {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub encoder: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub dispatcher: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `encoder` and `dispatcher` are never read
[INFO] [stdout]   --> src/args.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct MacroArgs {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub encoder: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub dispatcher: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "b13f850ac5efc985bef6780a14cdffdc7196e62d1b47c0d81fff725dd4b8a7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13f850ac5efc985bef6780a14cdffdc7196e62d1b47c0d81fff725dd4b8a7d0", kill_on_drop: false }`
[INFO] [stdout] b13f850ac5efc985bef6780a14cdffdc7196e62d1b47c0d81fff725dd4b8a7d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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", kill_on_drop: false }`
[INFO] [stdout] cebbf8ec59ef23db04d6fbd4a721cb61410bc1e116c8ee8890afbe85fb157943
[INFO] running `Command { std: "docker" "start" "-a" "cebbf8ec59ef23db04d6fbd4a721cb61410bc1e116c8ee8890afbe85fb157943", kill_on_drop: false }`
[INFO] [stderr] warning: fields `encoder` and `dispatcher` are never read
[INFO] [stderr]   --> src/args.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct MacroArgs {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub encoder: bool,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 42 |     pub dispatcher: bool,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-tc-macro` (lib) generated 1 warning
[INFO] [stderr] warning: `serde-tc-macro` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_tc_macro-99c344fbf7d34e98)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test helper::recognize_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_tc_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" "cebbf8ec59ef23db04d6fbd4a721cb61410bc1e116c8ee8890afbe85fb157943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebbf8ec59ef23db04d6fbd4a721cb61410bc1e116c8ee8890afbe85fb157943", kill_on_drop: false }`
[INFO] [stdout] cebbf8ec59ef23db04d6fbd4a721cb61410bc1e116c8ee8890afbe85fb157943