[INFO] fetching crate fields-iter 0.0.3...
[INFO] testing fields-iter-0.0.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate fields-iter 0.0.3 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fields-iter 0.0.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce3bb4da1faa14d1234333eb2ab6fc5cf3ebda8c12f3d597a9b497db14c200cc
[INFO] running `Command { std: "docker" "start" "-a" "ce3bb4da1faa14d1234333eb2ab6fc5cf3ebda8c12f3d597a9b497db14c200cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce3bb4da1faa14d1234333eb2ab6fc5cf3ebda8c12f3d597a9b497db14c200cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3bb4da1faa14d1234333eb2ab6fc5cf3ebda8c12f3d597a9b497db14c200cc", kill_on_drop: false }`
[INFO] [stdout] ce3bb4da1faa14d1234333eb2ab6fc5cf3ebda8c12f3d597a9b497db14c200cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a429980644024ca6132f30d1fb3c6396dd040c3053803070221afc0f81c794f5
[INFO] running `Command { std: "docker" "start" "-a" "a429980644024ca6132f30d1fb3c6396dd040c3053803070221afc0f81c794f5", 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 3.53s
[INFO] running `Command { std: "docker" "inspect" "a429980644024ca6132f30d1fb3c6396dd040c3053803070221afc0f81c794f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a429980644024ca6132f30d1fb3c6396dd040c3053803070221afc0f81c794f5", kill_on_drop: false }`
[INFO] [stdout] a429980644024ca6132f30d1fb3c6396dd040c3053803070221afc0f81c794f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae4bc3663bc6938712d5ae2711d59892f6061939b91c94f0ff577885289d9e96
[INFO] running `Command { std: "docker" "start" "-a" "ae4bc3663bc6938712d5ae2711d59892f6061939b91c94f0ff577885289d9e96", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling itoa v1.0.18
[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 16.79s
[INFO] running `Command { std: "docker" "inspect" "ae4bc3663bc6938712d5ae2711d59892f6061939b91c94f0ff577885289d9e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4bc3663bc6938712d5ae2711d59892f6061939b91c94f0ff577885289d9e96", kill_on_drop: false }`
[INFO] [stdout] ae4bc3663bc6938712d5ae2711d59892f6061939b91c94f0ff577885289d9e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82874a7694d774208a4f91f909d1c599cbe4f225fdc19c1b5ac7031e37a4f669
[INFO] running `Command { std: "docker" "start" "-a" "82874a7694d774208a4f91f909d1c599cbe4f225fdc19c1b5ac7031e37a4f669", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[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_gives_all_fields_in_declaration_order_and_no_more ... ok
[INFO] [stderr]      Running tests/ui.rs (/opt/rustwide/target/debug/deps/ui-d4ffe4e31a1bd310)
[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] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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 6.93s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/enum_union.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test ui ... ok
[INFO] [stderr]    Doc-tests fields_iter
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.61s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - FieldsInspect::field_mut (line 189) ... ok
[INFO] [stdout] test src/lib.rs - FieldsInspect::field (line 165) ... ok
[INFO] [stdout] test src/lib.rs - FieldsIterMut (line 312) ... 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 - FieldsInspect (line 85) ... ok
[INFO] [stdout] test src/lib.rs - FieldsInspect::fields_count (line 116) ... ok
[INFO] [stdout] test src/lib.rs - FieldsIter (line 241) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82874a7694d774208a4f91f909d1c599cbe4f225fdc19c1b5ac7031e37a4f669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82874a7694d774208a4f91f909d1c599cbe4f225fdc19c1b5ac7031e37a4f669", kill_on_drop: false }`
[INFO] [stdout] 82874a7694d774208a4f91f909d1c599cbe4f225fdc19c1b5ac7031e37a4f669