[INFO] cloning repository https://github.com/Emerentius/binary_search_bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Emerentius/binary_search_bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmerentius%2Fbinary_search_bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmerentius%2Fbinary_search_bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8f3137359b629244240369d53120f1d4f819072
[INFO] checking Emerentius/binary_search_bench/f8f3137359b629244240369d53120f1d4f819072 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%2FEmerentius%2Fbinary_search_bench" "/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/Emerentius/binary_search_bench 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/Emerentius/binary_search_bench
[INFO] finished tweaking git repo https://github.com/Emerentius/binary_search_bench
[INFO] tweaked toml for git repo https://github.com/Emerentius/binary_search_bench written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Emerentius/binary_search_bench 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: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 295eff9f508f9f0f5c7fd5f4f705225c0b159be9cbfec40abc28c04a9e12531c
[INFO] running `Command { std: "docker" "start" "-a" "295eff9f508f9f0f5c7fd5f4f705225c0b159be9cbfec40abc28c04a9e12531c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "295eff9f508f9f0f5c7fd5f4f705225c0b159be9cbfec40abc28c04a9e12531c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295eff9f508f9f0f5c7fd5f4f705225c0b159be9cbfec40abc28c04a9e12531c", kill_on_drop: false }`
[INFO] [stdout] 295eff9f508f9f0f5c7fd5f4f705225c0b159be9cbfec40abc28c04a9e12531c
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1c09c0180182324180f2d434f628ba1949d48b1a00dc0312a3d2595078b7644
[INFO] running `Command { std: "docker" "start" "-a" "a1c09c0180182324180f2d434f628ba1949d48b1a00dc0312a3d2595078b7644", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking binary_search_bench v0.1.0 (/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]   --> benches/lib.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |   fn binary_search<F>(b: &mut Bencher, cache: Cache, mapper: F)
[INFO] [stdout]    |                                                      --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 33 |       b.iter(move || {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 34 | |         // LCG constants from https://en.wikipedia.org/wiki/Numerical_Recipes.
[INFO] [stdout] 35 | |         r = r.wrapping_mul(1664525).wrapping_add(1013904223);
[INFO] [stdout] 36 | |         // Lookup the whole range to get 50% hits and 50% misses.
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         black_box(old_binary_search(&v, i).is_ok());
[INFO] [stdout] 41 | |     })
[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 `binary_search_bench` (bench "lib") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a1c09c0180182324180f2d434f628ba1949d48b1a00dc0312a3d2595078b7644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c09c0180182324180f2d434f628ba1949d48b1a00dc0312a3d2595078b7644", kill_on_drop: false }`
[INFO] [stdout] a1c09c0180182324180f2d434f628ba1949d48b1a00dc0312a3d2595078b7644