[INFO] fetching crate serialize_fields_macro 0.2.12...
[INFO] testing serialize_fields_macro-0.2.12 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate serialize_fields_macro 0.2.12 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serialize_fields_macro 0.2.12
[INFO] finished tweaking crates.io crate serialize_fields_macro 0.2.12
[INFO] tweaked toml for crates.io crate serialize_fields_macro 0.2.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialize_fields_macro 0.2.12 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialize_fields_macro 0.2.12 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcaf3c46e2969d9b58af18bab91895ad86313adbc98228bb01bfa1798cd0efa7
[INFO] running `Command { std: "docker" "start" "-a" "bcaf3c46e2969d9b58af18bab91895ad86313adbc98228bb01bfa1798cd0efa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcaf3c46e2969d9b58af18bab91895ad86313adbc98228bb01bfa1798cd0efa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcaf3c46e2969d9b58af18bab91895ad86313adbc98228bb01bfa1798cd0efa7", kill_on_drop: false }`
[INFO] [stdout] bcaf3c46e2969d9b58af18bab91895ad86313adbc98228bb01bfa1798cd0efa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf51447fe97f434ab44f63bb323a1c3ac45b6d0f8085571eb57d47f2222d4c1c
[INFO] running `Command { std: "docker" "start" "-a" "cf51447fe97f434ab44f63bb323a1c3ac45b6d0f8085571eb57d47f2222d4c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serialize_fields_macro v0.2.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.28s
[INFO] running `Command { std: "docker" "inspect" "cf51447fe97f434ab44f63bb323a1c3ac45b6d0f8085571eb57d47f2222d4c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf51447fe97f434ab44f63bb323a1c3ac45b6d0f8085571eb57d47f2222d4c1c", kill_on_drop: false }`
[INFO] [stdout] cf51447fe97f434ab44f63bb323a1c3ac45b6d0f8085571eb57d47f2222d4c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4064b39f02b03fd4d88ccd7968df17b3db40f59353086e1f85db77b9858fda7
[INFO] running `Command { std: "docker" "start" "-a" "d4064b39f02b03fd4d88ccd7968df17b3db40f59353086e1f85db77b9858fda7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialize_fields_macro v0.2.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d4064b39f02b03fd4d88ccd7968df17b3db40f59353086e1f85db77b9858fda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4064b39f02b03fd4d88ccd7968df17b3db40f59353086e1f85db77b9858fda7", kill_on_drop: false }`
[INFO] [stdout] d4064b39f02b03fd4d88ccd7968df17b3db40f59353086e1f85db77b9858fda7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1da65e6875ee4cef6c16b7345c249cc29e8a1a55f17edf3ddd666dfec0b62af9
[INFO] running `Command { std: "docker" "start" "-a" "1da65e6875ee4cef6c16b7345c249cc29e8a1a55f17edf3ddd666dfec0b62af9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serialize_fields_macro-c69e294b12af93c2)
[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 0.19s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.32s; merged doctests compilation took 0.13s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1da65e6875ee4cef6c16b7345c249cc29e8a1a55f17edf3ddd666dfec0b62af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da65e6875ee4cef6c16b7345c249cc29e8a1a55f17edf3ddd666dfec0b62af9", kill_on_drop: false }`
[INFO] [stdout] 1da65e6875ee4cef6c16b7345c249cc29e8a1a55f17edf3ddd666dfec0b62af9
