[INFO] fetching crate delta-struct 0.5.0...
[INFO] testing delta-struct-0.5.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate delta-struct 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate delta-struct 0.5.0
[INFO] finished tweaking crates.io crate delta-struct 0.5.0
[INFO] tweaked toml for crates.io crate delta-struct 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate delta-struct 0.5.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate delta-struct 0.5.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded delta-struct-macros v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4
[INFO] running `Command { std: "docker" "start" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling similar v3.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling delta-struct-macros v0.5.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling delta-struct v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 10.24s
[INFO] running `Command { std: "docker" "inspect" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling delta-struct v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/delta_struct-2f70e5f4c6b2e8d0)
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test tests::delta_false_positive_check ... ok
[INFO] [stdout] test tests::delta_field ... ok
[INFO] [stdout] test tests::enum_apply_reports_the_wrong_variant ... ok
[INFO] [stdout] test tests::enum_apply_round_trips ... ok
[INFO] [stdout] test tests::bounded_generics_with_delta_field ... ok
[INFO] [stdout] test tests::default_type_respected ... ok
[INFO] [stdout] test tests::apply_delta_all_field_types ... ok
[INFO] [stdout] test tests::bounded_generics ... ok
[INFO] [stdout] test tests::enum_diffs_within_a_variant ... ok
[INFO] [stdout] test tests::fingerprint_derives_on_enums_and_tuple_structs ... ok
[INFO] [stdout] test tests::fingerprint_ignores_set_iteration_order ... ok
[INFO] [stdout] test tests::fingerprint_is_stable_across_runs ... ok
[INFO] [stdout] test tests::ordered_apply_round_trips ... ok
[INFO] [stdout] test tests::ordered_as_container_default ... ok
[INFO] [stdout] test tests::ordered_delta_serializes ... ok
[INFO] [stdout] test tests::enum_delta_serializes ... ok
[INFO] [stdout] test tests::enum_inside_versioned ... ok
[INFO] [stdout] test tests::enum_with_generics ... ok
[INFO] [stdout] test tests::enum_of_only_unit_variants ... ok
[INFO] [stdout] test tests::enum_false_positive_check ... ok
[INFO] [stdout] test tests::enum_replaces_across_variants ... ok
[INFO] [stdout] test tests::ordered_false_positive_check ... ok
[INFO] [stdout] test tests::ordered_distinguishes_reorder_from_unordered ... ok
[INFO] [stdout] test tests::unordered_apply_ignores_absent_removals ... ok
[INFO] [stdout] test tests::unordered_apply_round_trips ... ok
[INFO] [stdout] test tests::tuple_struct_delta_serializes_as_a_sequence ... ok
[INFO] [stdout] test tests::scalar_delta_false_positive_check ... ok
[INFO] [stdout] test tests::unordered_delta_adds_and_removes_by_key ... ok
[INFO] [stdout] test tests::tuple_struct_delta_keeps_field_positions ... ok
[INFO] [stdout] test tests::unordered_delta_apply_round_trips ... ok
[INFO] [stdout] test tests::enum_mismatch_propagates_through_a_struct ... ok
[INFO] [stdout] test tests::ordered_records_position ... ok
[INFO] [stdout] test tests::unordered_over_a_btree_map ... ok
[INFO] [stdout] test tests::unordered_over_a_map_false_positive_check ... ok
[INFO] [stdout] test tests::unordered_over_a_map_apply_ignores_absent_removals ... ok
[INFO] [stdout] test tests::unordered_over_a_map_apply_round_trips ... ok
[INFO] [stdout] test tests::unordered_over_a_map_removes_by_bare_key ... ok
[INFO] [stdout] test tests::unordered_over_a_map_sends_one_copy_of_a_changed_value ... ok
[INFO] [stdout] test tests::unordered_over_a_map_serializes ... ok
[INFO] [stdout] test tests::unordered_delta_diffs_values_in_place ... ok
[INFO] [stdout] test tests::unordered_delta_serializes ... ok
[INFO] [stdout] test tests::unordered_delta_over_a_btree_map ... ok
[INFO] [stdout] test tests::unordered_delta_serializes_nested ... ok
[INFO] [stdout] test tests::unordered_with_scalar ... ok
[INFO] [stdout] test tests::versioned_delta_serializes ... ok
[INFO] [stdout] test tests::versioned_catches_drift_from_outside_the_stream ... ok
[INFO] [stdout] test tests::versioned_no_change_burns_nothing ... ok
[INFO] [stdout] test tests::unordered_over_a_map_with_generics ... ok
[INFO] [stdout] test tests::versioned_ignores_a_replayed_delta ... ok
[INFO] [stdout] test tests::versioned_catches_a_dropped_delta ... ok
[INFO] [stdout] test tests::versioned_catches_a_wrong_result ... ok
[INFO] [stdout] test tests::unordered_delta_false_positive_check ... ok
[INFO] [stdout] test tests::versioned_resync_recovers ... ok
[INFO] [stdout] test tests::versioned_round_trips ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests delta_struct
[INFO] [stderr] error: couldn't read `src/../../README.md`: No such file or directory (os error 2)
[INFO] [stderr]    --> src/lib.rs:581:9
[INFO] [stderr]     |
[INFO] [stderr] 581 | #[doc = include_str!("../../README.md")]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: there is a file with the same name in a different directory
[INFO] [stderr]     |
[INFO] [stderr] 581 - #[doc = include_str!("../../README.md")]
[INFO] [stderr] 581 + #[doc = include_str!("../README.md")]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --color auto --crate-name delta_struct --test src/lib.rs --test-run-directory /opt/rustwide/workdir --extern delta_struct=/opt/rustwide/target/release/deps/libdelta_struct-5d45fecaea277dfc.rlib --extern delta_struct_macros=/opt/rustwide/target/release/deps/libdelta_struct_macros-5df7380fc573342f.so --extern serde=/opt/rustwide/target/release/deps/libserde-cd75f8dc5b66300b.rlib --extern serde_json=/opt/rustwide/target/release/deps/libserde_json-a0180a4304c4b39b.rlib --extern similar=/opt/rustwide/target/release/deps/libsimilar-5260ad8997cc7517.rlib -L dependency=/opt/rustwide/target/release/deps -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="serde"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "serde"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4", kill_on_drop: false }`
[INFO] [stdout] 0706c0f54f3e9dbaa096b0217210044c78d50d9c844ccafe582a026740d46ef4
