[INFO] fetching crate simple-builder 0.0.2...
[INFO] testing simple-builder-0.0.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate simple-builder 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate simple-builder 0.0.2
[INFO] finished tweaking crates.io crate simple-builder 0.0.2
[INFO] tweaked toml for crates.io crate simple-builder 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-builder 0.0.2 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 28 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 135886e3fd518459a4f66d53d1ca5a574bb2ce6c529856568b598781a8fba351
[INFO] running `Command { std: "docker" "start" "-a" "135886e3fd518459a4f66d53d1ca5a574bb2ce6c529856568b598781a8fba351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "135886e3fd518459a4f66d53d1ca5a574bb2ce6c529856568b598781a8fba351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135886e3fd518459a4f66d53d1ca5a574bb2ce6c529856568b598781a8fba351", kill_on_drop: false }`
[INFO] [stdout] 135886e3fd518459a4f66d53d1ca5a574bb2ce6c529856568b598781a8fba351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b73437b4951eebf418ac08db81c8450bac1f4d8579f810ada4e5a36f77357d13
[INFO] running `Command { std: "docker" "start" "-a" "b73437b4951eebf418ac08db81c8450bac1f4d8579f810ada4e5a36f77357d13", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling simple-builder-macro v0.0.2
[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 trybuild v1.0.116
[INFO] [stderr]    Compiling simple-builder v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestItemOptionals` is never constructed
[INFO] [stdout]   --> src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct TestItemOptionals {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `Command { std: "docker" "inspect" "b73437b4951eebf418ac08db81c8450bac1f4d8579f810ada4e5a36f77357d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73437b4951eebf418ac08db81c8450bac1f4d8579f810ada4e5a36f77357d13", kill_on_drop: false }`
[INFO] [stdout] b73437b4951eebf418ac08db81c8450bac1f4d8579f810ada4e5a36f77357d13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d431b7c9f4dbb58996eb53dcda1100159cd5f9c9cb7f73efbab8edc931df511
[INFO] running `Command { std: "docker" "start" "-a" "2d431b7c9f4dbb58996eb53dcda1100159cd5f9c9cb7f73efbab8edc931df511", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-builder v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestItemOptionals` is never constructed
[INFO] [stdout]   --> src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct TestItemOptionals {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestItemOptionals` is never constructed
[INFO] [stdout]   --> src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct TestItemOptionals {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "2d431b7c9f4dbb58996eb53dcda1100159cd5f9c9cb7f73efbab8edc931df511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d431b7c9f4dbb58996eb53dcda1100159cd5f9c9cb7f73efbab8edc931df511", kill_on_drop: false }`
[INFO] [stdout] 2d431b7c9f4dbb58996eb53dcda1100159cd5f9c9cb7f73efbab8edc931df511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 39126c4bfd4f96fc6620a2fe87c2d7dad668b70588cd937c1fd69276a85d6f59
[INFO] running `Command { std: "docker" "start" "-a" "39126c4bfd4f96fc6620a2fe87c2d7dad668b70588cd937c1fd69276a85d6f59", kill_on_drop: false }`
[INFO] [stderr] warning: struct `TestItemOptionals` is never constructed
[INFO] [stderr]   --> src/lib.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct TestItemOptionals {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simple-builder` (lib) generated 1 warning
[INFO] [stderr] warning: `simple-builder` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_builder-ea6b3f0f8c98285c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_builder_method_on_original_struct ... ok
[INFO] [stdout] test tests::test_builder_mixed_required_and_optional_references ... ok
[INFO] [stdout] test tests::test_builder_mixed_required_and_optional ... ok
[INFO] [stdout] test tests::test_builder_optional_all_present ... ok
[INFO] [stdout] test tests::test_builder_optional_with_none ... ok
[INFO] [stdout] test tests::test_builder_ownership ... ok
[INFO] [stdout] test tests::test_builder_with_required ... ok
[INFO] [stdout] test tests::test_builder_with_required_trait_and_lifetimes ... ok
[INFO] [stdout] test tests::test_empty_builder_none_required ... ok
[INFO] [stdout] test tests::test_builder_panic_on_second_build_call - should panic ... ok
[INFO] [stderr]    Compiling serde_core v1.0.228
[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 zmij v1.0.21
[INFO] [stderr]     Checking winnow v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling simple-builder-macro v0.0.2
[INFO] [stderr]     Checking trybuild v1.0.116
[INFO] [stderr]     Checking simple-builder v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking simple-builder-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/simple-builder)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.65s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/failed_attribute_parsing.rs ... ok
[INFO] [stderr] test tests/ui/no_required_attribute.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test tests::test_developer_experience ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 19.33s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_builder
[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] running `Command { std: "docker" "inspect" "39126c4bfd4f96fc6620a2fe87c2d7dad668b70588cd937c1fd69276a85d6f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39126c4bfd4f96fc6620a2fe87c2d7dad668b70588cd937c1fd69276a85d6f59", kill_on_drop: false }`
[INFO] [stdout] 39126c4bfd4f96fc6620a2fe87c2d7dad668b70588cd937c1fd69276a85d6f59