[INFO] fetching crate fields-iter 0.0.3...
[INFO] testing fields-iter-0.0.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate fields-iter 0.0.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fields-iter 0.0.3
[INFO] finished tweaking crates.io crate fields-iter 0.0.3
[INFO] tweaked toml for crates.io crate fields-iter 0.0.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fields-iter 0.0.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v1.1.2+spec-1.1.0
[INFO] [stderr]   Downloaded fields-iter-macros v0.0.1
[INFO] [stderr]   Downloaded target-triple v1.0.0
[INFO] [stderr]   Downloaded toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]   Downloaded trybuild v1.0.116
[INFO] [stderr]   Downloaded serde_spanned v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a370689a657079e615d529bb81e2dcfaebb0723ce376c1da5c4963369f34acc2
[INFO] running `Command { std: "docker" "start" "-a" "a370689a657079e615d529bb81e2dcfaebb0723ce376c1da5c4963369f34acc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a370689a657079e615d529bb81e2dcfaebb0723ce376c1da5c4963369f34acc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a370689a657079e615d529bb81e2dcfaebb0723ce376c1da5c4963369f34acc2", kill_on_drop: false }`
[INFO] [stdout] a370689a657079e615d529bb81e2dcfaebb0723ce376c1da5c4963369f34acc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fa82a1c29e79ec26e66a0250fd6436ec82095423e383a6405eda983461741c2e
[INFO] running `Command { std: "docker" "start" "-a" "fa82a1c29e79ec26e66a0250fd6436ec82095423e383a6405eda983461741c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fields-iter-macros v0.0.1
[INFO] [stderr]    Compiling fields-iter v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "fa82a1c29e79ec26e66a0250fd6436ec82095423e383a6405eda983461741c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa82a1c29e79ec26e66a0250fd6436ec82095423e383a6405eda983461741c2e", kill_on_drop: false }`
[INFO] [stdout] fa82a1c29e79ec26e66a0250fd6436ec82095423e383a6405eda983461741c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0cea65cd14b15ca46cbec1081aee56479ec1989fe660d74a4e5dc617d3762853
[INFO] running `Command { std: "docker" "start" "-a" "0cea65cd14b15ca46cbec1081aee56479ec1989fe660d74a4e5dc617d3762853", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling trybuild v1.0.116
[INFO] [stderr]    Compiling fields-iter v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.72s
[INFO] running `Command { std: "docker" "inspect" "0cea65cd14b15ca46cbec1081aee56479ec1989fe660d74a4e5dc617d3762853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cea65cd14b15ca46cbec1081aee56479ec1989fe660d74a4e5dc617d3762853", kill_on_drop: false }`
[INFO] [stdout] 0cea65cd14b15ca46cbec1081aee56479ec1989fe660d74a4e5dc617d3762853
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f3a551e66cd98f0ac7e39b7cabdca940eb6eb527a00076091470ca7dc7e547c3
[INFO] running `Command { std: "docker" "start" "-a" "f3a551e66cd98f0ac7e39b7cabdca940eb6eb527a00076091470ca7dc7e547c3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fields_iter-18407ca538fe75cb)
[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/fields_iter.rs (/opt/rustwide/target/debug/deps/fields_iter-07aac0243f6e4f0c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test fields_iter_double_ended ... ok
[INFO] [stdout] test fields_iter_mut_does_not_trigger_miri ... ok
[INFO] [stdout] test fields_iter_mut_double_ended ... ok
[INFO] [stdout] test fields_iter_gives_all_fields_in_declaration_order_and_no_more ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ui.rs (/opt/rustwide/target/debug/deps/ui-d4ffe4e31a1bd310)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling fields-iter-macros v0.0.1
[INFO] [stderr]     Checking fields-iter v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fields-iter-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/fields-iter)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.82s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test ui ... ok
[INFO] [stderr] test tests/ui/enum_union.rs ... ok
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.36s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fields_iter
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - FieldsIter (line 241) ... ok
[INFO] [stdout] test src/lib.rs - FieldsInspect::field_mut (line 189) ... ok
[INFO] [stdout] test src/lib.rs - FieldsInspect::field_name (line 141) ... ok
[INFO] [stdout] test src/lib.rs - FieldsInspect (line 72) ... ok
[INFO] [stdout] test src/lib.rs - FieldsIterMut (line 312) ... ok
[INFO] [stdout] test src/lib.rs - FieldsInspect::fields_count (line 116) ... ok
[INFO] [stdout] test src/lib.rs - FieldsInspect::field (line 165) ... ok
[INFO] [stdout] test src/lib.rs - FieldsInspect (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3a551e66cd98f0ac7e39b7cabdca940eb6eb527a00076091470ca7dc7e547c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a551e66cd98f0ac7e39b7cabdca940eb6eb527a00076091470ca7dc7e547c3", kill_on_drop: false }`
[INFO] [stdout] f3a551e66cd98f0ac7e39b7cabdca940eb6eb527a00076091470ca7dc7e547c3