[INFO] fetching crate optional-field 0.1.6...
[INFO] checking optional-field-0.1.6 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate optional-field 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate optional-field 0.1.6 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optional-field 0.1.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate optional-field 0.1.6
[INFO] tweaked toml for crates.io crate optional-field 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded optional-fields-serde-macro v0.1.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87b4cd27d98cb817c92777595a662a27c663745ebe14c9f616529dd32407d320
[INFO] running `Command { std: "docker" "start" "-a" "87b4cd27d98cb817c92777595a662a27c663745ebe14c9f616529dd32407d320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87b4cd27d98cb817c92777595a662a27c663745ebe14c9f616529dd32407d320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b4cd27d98cb817c92777595a662a27c663745ebe14c9f616529dd32407d320", kill_on_drop: false }`
[INFO] [stdout] 87b4cd27d98cb817c92777595a662a27c663745ebe14c9f616529dd32407d320
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8d6037c92ae75623a2331687d5be5e16552b14db24b242090ba0935d479404e
[INFO] running `Command { std: "docker" "start" "-a" "a8d6037c92ae75623a2331687d5be5e16552b14db24b242090ba0935d479404e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling optional-fields-serde-macro v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking optional-field v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "a8d6037c92ae75623a2331687d5be5e16552b14db24b242090ba0935d479404e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d6037c92ae75623a2331687d5be5e16552b14db24b242090ba0935d479404e", kill_on_drop: false }`
[INFO] [stdout] a8d6037c92ae75623a2331687d5be5e16552b14db24b242090ba0935d479404e
[INFO] checking optional-field-0.1.6 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate optional-field 0.1.6 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate optional-field 0.1.6 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optional-field 0.1.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate optional-field 0.1.6
[INFO] tweaked toml for crates.io crate optional-field 0.1.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c60fcb552d17dec69b823f6c4b627d48f3bbf3b33738cb6f72705e4ddfdac5d9
[INFO] running `Command { std: "docker" "start" "-a" "c60fcb552d17dec69b823f6c4b627d48f3bbf3b33738cb6f72705e4ddfdac5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c60fcb552d17dec69b823f6c4b627d48f3bbf3b33738cb6f72705e4ddfdac5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60fcb552d17dec69b823f6c4b627d48f3bbf3b33738cb6f72705e4ddfdac5d9", kill_on_drop: false }`
[INFO] [stdout] c60fcb552d17dec69b823f6c4b627d48f3bbf3b33738cb6f72705e4ddfdac5d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2bb046353b012e4ac62a7a8a2ffdbb308f151095af551b68029df1c9d4ff4c
[INFO] running `Command { std: "docker" "start" "-a" "ed2bb046353b012e4ac62a7a8a2ffdbb308f151095af551b68029df1c9d4ff4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling optional-fields-serde-macro v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking optional-field v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:792:17
[INFO] [stdout]     |
[INFO] [stdout] 791 |     fn from(val: T) -> Field<T> {
[INFO] [stdout]     |             ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 792 |         Present(Some(val))
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:968:9
[INFO] [stdout]     |
[INFO] [stdout] 964 |     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
[INFO] [stdout]     |                       --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 968 |         Option::<T>::deserialize(deserializer).map(Into::into)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional-field` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ed2bb046353b012e4ac62a7a8a2ffdbb308f151095af551b68029df1c9d4ff4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2bb046353b012e4ac62a7a8a2ffdbb308f151095af551b68029df1c9d4ff4c", kill_on_drop: false }`
[INFO] [stdout] ed2bb046353b012e4ac62a7a8a2ffdbb308f151095af551b68029df1c9d4ff4c