[INFO] fetching crate serde_fields 0.1.0...
[INFO] testing serde_fields-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate serde_fields 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate serde_fields 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_fields 0.1.0
[INFO] tweaked toml for crates.io crate serde_fields 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_fields 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_fields 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded convert_case v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 636b81d65fad675184f6b3717ec289a2a8bd5b4b6870c297b8d7ded169781f14
[INFO] running `Command { std: "docker" "start" "-a" "636b81d65fad675184f6b3717ec289a2a8bd5b4b6870c297b8d7ded169781f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "636b81d65fad675184f6b3717ec289a2a8bd5b4b6870c297b8d7ded169781f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636b81d65fad675184f6b3717ec289a2a8bd5b4b6870c297b8d7ded169781f14", kill_on_drop: false }`
[INFO] [stdout] 636b81d65fad675184f6b3717ec289a2a8bd5b4b6870c297b8d7ded169781f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d49a6e6b0e59465e8d5ed523bf6aed81a8d5f0239a64d5a176f1980182e9930
[INFO] running `Command { std: "docker" "start" "-a" "1d49a6e6b0e59465e8d5ed523bf6aed81a8d5f0239a64d5a176f1980182e9930", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert_case v0.9.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_fields v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "1d49a6e6b0e59465e8d5ed523bf6aed81a8d5f0239a64d5a176f1980182e9930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d49a6e6b0e59465e8d5ed523bf6aed81a8d5f0239a64d5a176f1980182e9930", kill_on_drop: false }`
[INFO] [stdout] 1d49a6e6b0e59465e8d5ed523bf6aed81a8d5f0239a64d5a176f1980182e9930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59fb596d40f5bae7664e30139dc31e3ff2ef4fe708b08505ae5c92971e43e141
[INFO] running `Command { std: "docker" "start" "-a" "59fb596d40f5bae7664e30139dc31e3ff2ef4fe708b08505ae5c92971e43e141", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling convert_case v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_fields v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "59fb596d40f5bae7664e30139dc31e3ff2ef4fe708b08505ae5c92971e43e141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59fb596d40f5bae7664e30139dc31e3ff2ef4fe708b08505ae5c92971e43e141", kill_on_drop: false }`
[INFO] [stdout] 59fb596d40f5bae7664e30139dc31e3ff2ef4fe708b08505ae5c92971e43e141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74d4a409c9543eb5e6bfe14c8320e1579c53136699a056acd5867517d9eaf833
[INFO] running `Command { std: "docker" "start" "-a" "74d4a409c9543eb5e6bfe14c8320e1579c53136699a056acd5867517d9eaf833", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_fields-da4c78f3fa362de5)
[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]      Running tests/as_ref.rs (/opt/rustwide/target/debug/deps/as_ref-e483c7bee1874d30)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_return_str_when_as_ref_is_used ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/as_str.rs (/opt/rustwide/target/debug/deps/as_str-b2c7e7f76874b873)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_return_serde_name_when_as_str_called ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-8fc529fa3453ac05)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_generate_enum_variants_when_struct_is_basic ... ok
[INFO] [stdout] test should_generate_field_list_when_struct_is_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/deserialize.rs (/opt/rustwide/target/debug/deps/deserialize-3f18154d0392beba)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/display.rs (/opt/rustwide/target/debug/deps/display-28c0b88b4434958f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_display_serde_field_name_when_display_is_called ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/error.rs (/opt/rustwide/target/debug/deps/error-c469557772fc4bbc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_format_error_correctly_when_displayed ... ok
[INFO] [stdout] test should_store_input_string_in_error_when_invalid_field_name_provided ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/from_str.rs (/opt/rustwide/target/debug/deps/from_str-99b1a30fde613604)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_fail_parsing_when_using_from_str_for_invalid_name ... ok
[INFO] [stdout] test should_parse_enum_when_using_from_str_for_valid_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/into_str.rs (/opt/rustwide/target/debug/deps/into_str-34c2585de5ca8066)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_convert_enum_into_str_when_using_from_trait ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rename.rs (/opt/rustwide/target/debug/deps/rename-820ce89fca2751b9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_use_explicit_serde_rename_when_present ... ok
[INFO] [stdout] test should_generate_variant_with_renamed_value_when_field_is_renamed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rename_all.rs (/opt/rustwide/target/debug/deps/rename_all-4db30d39e3b2c2b4)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test should_respect_rename_all_camel ... ok
[INFO] [stdout] test should_respect_rename_all_kebab ... ok
[INFO] [stdout] test should_respect_rename_all_scream_kebab ... ok
[INFO] [stdout] test should_respect_rename_all_scream_snake ... ok
[INFO] [stdout] test should_respect_rename_all_lower ... ok
[INFO] [stdout] test should_respect_rename_all_snake ... ok
[INFO] [stdout] test should_respect_rename_all_upper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serialize.rs (/opt/rustwide/target/debug/deps/serialize-66d32a4386b34270)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/skip.rs (/opt/rustwide/target/debug/deps/skip-412e99dba9522f8e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_not_generate_enum_variant_when_field_is_skipped ... ok
[INFO] [stdout] test should_skip_field_when_serde_skip_is_present ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/try_from.rs (/opt/rustwide/target/debug/deps/try_from-18ef21234e11f378)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_convert_from_str_when_value_is_valid ... ok
[INFO] [stdout] test should_return_error_when_try_from_receives_invalid_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_fields
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/../README.md - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - derive_serde_field (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.50s; merged doctests compilation took 0.49s
[INFO] running `Command { std: "docker" "inspect" "74d4a409c9543eb5e6bfe14c8320e1579c53136699a056acd5867517d9eaf833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d4a409c9543eb5e6bfe14c8320e1579c53136699a056acd5867517d9eaf833", kill_on_drop: false }`
[INFO] [stdout] 74d4a409c9543eb5e6bfe14c8320e1579c53136699a056acd5867517d9eaf833
