[INFO] crate serde_tagged 0.2.0 is already in cache
[INFO] extracting crate serde_tagged 0.2.0 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/serde_tagged/0.2.0
[INFO] extracting crate serde_tagged 0.2.0 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/serde_tagged/0.2.0
[INFO] validating manifest of serde_tagged-0.2.0 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_tagged-0.2.0 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_tagged-0.2.0
[INFO] finished frobbing serde_tagged-0.2.0
[INFO] frobbed toml for serde_tagged-0.2.0 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/serde_tagged/0.2.0/Cargo.toml
[INFO] started frobbing serde_tagged-0.2.0
[INFO] finished frobbing serde_tagged-0.2.0
[INFO] frobbed toml for serde_tagged-0.2.0 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/serde_tagged/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking serde_tagged-0.2.0 against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/serde_tagged/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7660aa52977cdc99efd3f461f5d1c66c08c99020f31b75577d265cf0c8495c3a
[INFO] running `"docker" "start" "-a" "7660aa52977cdc99efd3f461f5d1c66c08c99020f31b75577d265cf0c8495c3a"`
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_tagged v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> examples/trait_objects.rs:136:65
[INFO] [stderr]     |
[INFO] [stderr] 136 |         serde_tagged::ser::external::serialize(serializer, self.type_id(), &SerializeErased(self))
[INFO] [stderr]     |                                                                 ^^^^^^^ multiple `type_id` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `TypeId`
[INFO] [stderr]    --> examples/trait_objects.rs:65:5
[INFO] [stderr]     |
[INFO] [stderr] 65  |     fn type_id(&self) -> &'static str;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: to disambiguate the method call, write `TypeId::type_id(&self)` instead
[INFO] [stderr] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::any::Any::type_id(&self)` instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: Could not compile `serde_tagged`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7660aa52977cdc99efd3f461f5d1c66c08c99020f31b75577d265cf0c8495c3a"`
[INFO] running `"docker" "rm" "-f" "7660aa52977cdc99efd3f461f5d1c66c08c99020f31b75577d265cf0c8495c3a"`
[INFO] [stdout] 7660aa52977cdc99efd3f461f5d1c66c08c99020f31b75577d265cf0c8495c3a