[INFO] fetching crate serialize_fields_macro 0.2.17...
[INFO] testing serialize_fields_macro-0.2.17 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate serialize_fields_macro 0.2.17 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate serialize_fields_macro 0.2.17
[INFO] finished tweaking crates.io crate serialize_fields_macro 0.2.17
[INFO] tweaked toml for crates.io crate serialize_fields_macro 0.2.17 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialize_fields_macro 0.2.17 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialize_fields_macro 0.2.17 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ce83d33bb9f66738434df274e90f1a2d790770c3a5de33f5b966e72cdf68e13
[INFO] running `Command { std: "docker" "start" "-a" "2ce83d33bb9f66738434df274e90f1a2d790770c3a5de33f5b966e72cdf68e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce83d33bb9f66738434df274e90f1a2d790770c3a5de33f5b966e72cdf68e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce83d33bb9f66738434df274e90f1a2d790770c3a5de33f5b966e72cdf68e13", kill_on_drop: false }`
[INFO] [stdout] 2ce83d33bb9f66738434df274e90f1a2d790770c3a5de33f5b966e72cdf68e13
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24d9eadc42038368f038a9e743050e5d2e57354171eccb8d4962ce50e2abd73e
[INFO] running `Command { std: "docker" "start" "-a" "24d9eadc42038368f038a9e743050e5d2e57354171eccb8d4962ce50e2abd73e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serialize_fields_macro v0.2.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `Command { std: "docker" "inspect" "24d9eadc42038368f038a9e743050e5d2e57354171eccb8d4962ce50e2abd73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d9eadc42038368f038a9e743050e5d2e57354171eccb8d4962ce50e2abd73e", kill_on_drop: false }`
[INFO] [stdout] 24d9eadc42038368f038a9e743050e5d2e57354171eccb8d4962ce50e2abd73e
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba7e3f0b728d57685008a3872db8ac06fa5f5ccd17e61a0992909fc435ff428a
[INFO] running `Command { std: "docker" "start" "-a" "ba7e3f0b728d57685008a3872db8ac06fa5f5ccd17e61a0992909fc435ff428a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialize_fields_macro v0.2.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "ba7e3f0b728d57685008a3872db8ac06fa5f5ccd17e61a0992909fc435ff428a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7e3f0b728d57685008a3872db8ac06fa5f5ccd17e61a0992909fc435ff428a", kill_on_drop: false }`
[INFO] [stdout] ba7e3f0b728d57685008a3872db8ac06fa5f5ccd17e61a0992909fc435ff428a
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a7702346cd57f57eac14959c7017933ca2707c0918cc6acd305a0d55e5c89a5
[INFO] running `Command { std: "docker" "start" "-a" "8a7702346cd57f57eac14959c7017933ca2707c0918cc6acd305a0d55e5c89a5", 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/serialize_fields_macro-d19115cf8a3c4d0c)
[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] [stderr]    Doc-tests serialize_fields_macro
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - serialize_fields_derive (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - serialize_fields_derive (line 22) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serialize_fields`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use serialize_fields::SerializeFields;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `serialize_fields`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialize_fields`, use `cargo add serialize_fields` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - serialize_fields_derive (line 22)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.23s; merged doctests compilation took 0.09s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8a7702346cd57f57eac14959c7017933ca2707c0918cc6acd305a0d55e5c89a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7702346cd57f57eac14959c7017933ca2707c0918cc6acd305a0d55e5c89a5", kill_on_drop: false }`
[INFO] [stdout] 8a7702346cd57f57eac14959c7017933ca2707c0918cc6acd305a0d55e5c89a5