[INFO] cloning repository https://github.com/coolCucumber-cat/fmt2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coolCucumber-cat/fmt2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcoolCucumber-cat%2Ffmt2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcoolCucumber-cat%2Ffmt2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f91ca2b35b44f38f05e32b16cf39d233bac5cc09
[INFO] building coolCucumber-cat/fmt2 against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcoolCucumber-cat%2Ffmt2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coolCucumber-cat/fmt2 on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coolCucumber-cat/fmt2
[INFO] finished tweaking git repo https://github.com/coolCucumber-cat/fmt2
[INFO] tweaked toml for git repo https://github.com/coolCucumber-cat/fmt2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/coolCucumber-cat/fmt2 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc8678c02df41931bddf46561f569def60387b8169bd8f920e1fb906c47fc258
[INFO] running `Command { std: "docker" "start" "-a" "cc8678c02df41931bddf46561f569def60387b8169bd8f920e1fb906c47fc258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc8678c02df41931bddf46561f569def60387b8169bd8f920e1fb906c47fc258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8678c02df41931bddf46561f569def60387b8169bd8f920e1fb906c47fc258", kill_on_drop: false }`
[INFO] [stdout] cc8678c02df41931bddf46561f569def60387b8169bd8f920e1fb906c47fc258
[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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a52a64eb921255bd91336b12f56a8a70547c0bec3921a0b29acb137cffc4d8d
[INFO] running `Command { std: "docker" "start" "-a" "0a52a64eb921255bd91336b12f56a8a70547c0bec3921a0b29acb137cffc4d8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "0a52a64eb921255bd91336b12f56a8a70547c0bec3921a0b29acb137cffc4d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a52a64eb921255bd91336b12f56a8a70547c0bec3921a0b29acb137cffc4d8d", kill_on_drop: false }`
[INFO] [stdout] 0a52a64eb921255bd91336b12f56a8a70547c0bec3921a0b29acb137cffc4d8d
[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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c993f790ce38e70238c212d11a8c0582912318ee4dc876b8224f91bbf638a2b
[INFO] running `Command { std: "docker" "start" "-a" "4c993f790ce38e70238c212d11a8c0582912318ee4dc876b8224f91bbf638a2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: a temporary value will be dropped here before the execution exits the block in Edition 2024, which will raise borrow checking error
[INFO] [stdout]    --> src/macros.rs:20:14
[INFO] [stdout]     |
[INFO] [stdout] 20  |         $value.fmt()
[INFO] [stdout]     |                    ^
[INFO] [stdout] ...
[INFO] [stdout] 971 |     let s = fmt!({ & } => "123" [xyz!()] "abc" (&const_fn(1, 2) ) "abc");
[INFO] [stdout]     |             ------------------------------------------------------------
[INFO] [stdout]     |             |                                   |
[INFO] [stdout]     |             |                                   consider using a `let` binding to create a longer lived value; or replacing the `{ .. }` block with curly brackets `( .. )`; or folding the rest of the expression into the surrounding `unsafe { .. }`
[INFO] [stdout]     |             in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout]     = note: this error originates in the macro `$crate::get_write_to_from_fmt_args` which comes from the expansion of the macro `fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: a temporary value will be dropped here before the execution exits the block in Edition 2024, which will raise borrow checking error
[INFO] [stdout]    --> src/macros.rs:20:14
[INFO] [stdout]     |
[INFO] [stdout] 20  |         $value.fmt()
[INFO] [stdout]     |                    ^
[INFO] [stdout] ...
[INFO] [stdout] 971 |     let s = fmt!({ & } => "123" [xyz!()] "abc" (&const_fn(1, 2) ) "abc");
[INFO] [stdout]     |             ------------------------------------------------------------
[INFO] [stdout]     |             |                                   |
[INFO] [stdout]     |             |                                   consider using a `let` binding to create a longer lived value; or replacing the `{ .. }` block with curly brackets `( .. )`; or folding the rest of the expression into the surrounding `unsafe { .. }`
[INFO] [stdout]     |             in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: this error originates in the macro `$crate::get_write_to_from_fmt_args` which comes from the expansion of the macro `fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fmt2` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4c993f790ce38e70238c212d11a8c0582912318ee4dc876b8224f91bbf638a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c993f790ce38e70238c212d11a8c0582912318ee4dc876b8224f91bbf638a2b", kill_on_drop: false }`
[INFO] [stdout] 4c993f790ce38e70238c212d11a8c0582912318ee4dc876b8224f91bbf638a2b