[INFO] fetching crate field_names_and_counts 0.1.0...
[INFO] testing field_names_and_counts-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate field_names_and_counts 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate field_names_and_counts 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate field_names_and_counts 0.1.0
[INFO] tweaked toml for crates.io crate field_names_and_counts 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate field_names_and_counts 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate field_names_and_counts 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded field_names_and_counts_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df250a17c69666b0df1408e058a70ad0e479cdd8800c8493413ec775f8f58591
[INFO] running `Command { std: "docker" "start" "-a" "df250a17c69666b0df1408e058a70ad0e479cdd8800c8493413ec775f8f58591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df250a17c69666b0df1408e058a70ad0e479cdd8800c8493413ec775f8f58591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df250a17c69666b0df1408e058a70ad0e479cdd8800c8493413ec775f8f58591", kill_on_drop: false }`
[INFO] [stdout] df250a17c69666b0df1408e058a70ad0e479cdd8800c8493413ec775f8f58591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620516d71535ff44eb6d8cbee2720d1b17768d2d9051a3d1fd5c4f5b38e0d5e2
[INFO] running `Command { std: "docker" "start" "-a" "620516d71535ff44eb6d8cbee2720d1b17768d2d9051a3d1fd5c4f5b38e0d5e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling field_names_and_counts_derive v0.1.0
[INFO] [stderr]    Compiling field_names_and_counts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "620516d71535ff44eb6d8cbee2720d1b17768d2d9051a3d1fd5c4f5b38e0d5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620516d71535ff44eb6d8cbee2720d1b17768d2d9051a3d1fd5c4f5b38e0d5e2", kill_on_drop: false }`
[INFO] [stdout] 620516d71535ff44eb6d8cbee2720d1b17768d2d9051a3d1fd5c4f5b38e0d5e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 677ad04b00833c71dcdd83495eff19ddc51e256e8108c4f91c75574fa86e86e7
[INFO] running `Command { std: "docker" "start" "-a" "677ad04b00833c71dcdd83495eff19ddc51e256e8108c4f91c75574fa86e86e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling field_names_and_counts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "677ad04b00833c71dcdd83495eff19ddc51e256e8108c4f91c75574fa86e86e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677ad04b00833c71dcdd83495eff19ddc51e256e8108c4f91c75574fa86e86e7", kill_on_drop: false }`
[INFO] [stdout] 677ad04b00833c71dcdd83495eff19ddc51e256e8108c4f91c75574fa86e86e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ae56fd6b2a21c571e33d9dec0f2137ece696cca25ddb2efa1d223c3f8b3261f
[INFO] running `Command { std: "docker" "start" "-a" "5ae56fd6b2a21c571e33d9dec0f2137ece696cca25ddb2efa1d223c3f8b3261f", 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/field_names_and_counts-43d0875147ca2dbb)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fields.rs (/opt/rustwide/target/debug/deps/fields-06c5d50af559434b)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_many_fields_struct ... ok
[INFO] [stdout] test test_all_skipped ... ok
[INFO] [stdout] test test_single_field_struct ... ok
[INFO] [stdout] test test_generic_struct ... ok
[INFO] [stdout] test test_simple_struct ... ok
[INFO] [stdout] test test_struct_with_skip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/keep_in_sync.rs (/opt/rustwide/target/debug/deps/keep_in_sync-6499b3d16c3117b3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test base_and_partial_view_in_sync_ignore_source_order ... ok
[INFO] [stdout] test base_and_view_in_sync_preserve_source_order ... ok
[INFO] [stdout] test base_try_from_raw_populates_fields ... ok
[INFO] [stdout] test base_and_raw_not_in_sync - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/variants.rs (/opt/rustwide/target/debug/deps/variants-0ef331ad4b52fd92)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests field_names_and_counts
[INFO] [stdout] test test_all_skipped ... ok
[INFO] [stdout] test test_many_variants_enum ... ok
[INFO] [stdout] test test_enum_with_skip ... ok
[INFO] [stdout] test test_mixed_variants ... ok
[INFO] [stdout] test test_simple_enum ... ok
[INFO] [stdout] test test_single_variant_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/../README.md - (line 27) ... ok
[INFO] [stdout] test src/../README.md - (line 12) ... ok
[INFO] [stdout] test src/../README.md - (line 72) ... ok
[INFO] [stdout] test src/../README.md - (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.50s; merged doctests compilation took 0.47s
[INFO] running `Command { std: "docker" "inspect" "5ae56fd6b2a21c571e33d9dec0f2137ece696cca25ddb2efa1d223c3f8b3261f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ae56fd6b2a21c571e33d9dec0f2137ece696cca25ddb2efa1d223c3f8b3261f", kill_on_drop: false }`
[INFO] [stdout] 5ae56fd6b2a21c571e33d9dec0f2137ece696cca25ddb2efa1d223c3f8b3261f