[INFO] cloning repository https://github.com/Ben-Lichtman/derive_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ben-Lichtman/derive_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBen-Lichtman%2Fderive_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBen-Lichtman%2Fderive_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a75b83147ce73350ac680632309b47de30e830c0
[INFO] checking Ben-Lichtman/derive_example/a75b83147ce73350ac680632309b47de30e830c0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBen-Lichtman%2Fderive_example" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ben-Lichtman/derive_example on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ben-Lichtman/derive_example
[INFO] finished tweaking git repo https://github.com/Ben-Lichtman/derive_example
[INFO] tweaked toml for git repo https://github.com/Ben-Lichtman/derive_example written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ben-Lichtman/derive_example 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41e9d496aed4c73523ec9470626cd0550fe267918e8652e6de4436a9af3b725
[INFO] running `Command { std: "docker" "start" "-a" "e41e9d496aed4c73523ec9470626cd0550fe267918e8652e6de4436a9af3b725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41e9d496aed4c73523ec9470626cd0550fe267918e8652e6de4436a9af3b725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41e9d496aed4c73523ec9470626cd0550fe267918e8652e6de4436a9af3b725", kill_on_drop: false }`
[INFO] [stdout] e41e9d496aed4c73523ec9470626cd0550fe267918e8652e6de4436a9af3b725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e48e404980f882a4e322c0501db9fa657389fdf0a8210293821b893ebc1805fd
[INFO] running `Command { std: "docker" "start" "-a" "e48e404980f882a4e322c0501db9fa657389fdf0a8210293821b893ebc1805fd", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking dummy_trait_derive v0.1.0 (/opt/rustwide/workdir/dummy_trait_derive)
[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]   --> dummy_trait_derive/src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn derive_mutator(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                       ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 11 |     let mut derive_input = parse_macro_input!(input as DeriveInput);
[INFO] [stdout]    |             ------------   ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |             |
[INFO] [stdout]    |             these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 12 |     proc_macro::TokenStream::from(process_input(&mut derive_input))
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dummy_trait_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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]   --> dummy_trait_derive/src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn derive_mutator(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                       ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 11 |     let mut derive_input = parse_macro_input!(input as DeriveInput);
[INFO] [stdout]    |             ------------   ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |             |
[INFO] [stdout]    |             these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 12 |     proc_macro::TokenStream::from(process_input(&mut derive_input))
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dummy_trait_derive` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e48e404980f882a4e322c0501db9fa657389fdf0a8210293821b893ebc1805fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48e404980f882a4e322c0501db9fa657389fdf0a8210293821b893ebc1805fd", kill_on_drop: false }`
[INFO] [stdout] e48e404980f882a4e322c0501db9fa657389fdf0a8210293821b893ebc1805fd