[INFO] cloning repository https://github.com/arturchichorro/chess-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arturchichorro/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturchichorro%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturchichorro%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4abb6aec810159cd7479b31486062e6a236c3abf
[INFO] checking arturchichorro/chess-engine/4abb6aec810159cd7479b31486062e6a236c3abf 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%2Farturchichorro%2Fchess-engine" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arturchichorro/chess-engine 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/arturchichorro/chess-engine
[INFO] finished tweaking git repo https://github.com/arturchichorro/chess-engine
[INFO] tweaked toml for git repo https://github.com/arturchichorro/chess-engine written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/arturchichorro/chess-engine 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] be86aaba114184fe5fc00de8a45d19db1346c74f88f786bbcedcada544266e10
[INFO] running `Command { std: "docker" "start" "-a" "be86aaba114184fe5fc00de8a45d19db1346c74f88f786bbcedcada544266e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be86aaba114184fe5fc00de8a45d19db1346c74f88f786bbcedcada544266e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be86aaba114184fe5fc00de8a45d19db1346c74f88f786bbcedcada544266e10", kill_on_drop: false }`
[INFO] [stdout] be86aaba114184fe5fc00de8a45d19db1346c74f88f786bbcedcada544266e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b29864756435f62f2c206c9cab7435d08cea94833d154c998849ad53aee8395b
[INFO] running `Command { std: "docker" "start" "-a" "b29864756435f62f2c206c9cab7435d08cea94833d154c998849ad53aee8395b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking fen v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking ordered-float v4.2.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]    Compiling derive_utils v0.14.1
[INFO] [stderr]    Compiling auto_enums v0.8.5
[INFO] [stderr]     Checking chess-engine 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]    --> src/board.rs:618:9
[INFO] [stdout]     |
[INFO] [stdout] 614 |           directions: impl Iterator<Item = Coord> + 'a,
[INFO] [stdout]     |           -------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 618 | /         directions
[INFO] [stdout] 619 | |             .map(move |dir| {
[INFO] [stdout] 620 | |                 (1..)
[INFO] [stdout] 621 | |                     .map(move |i| origin + dir * i)
[INFO] [stdout] ...   |
[INFO] [stdout] 629 | |                     })
[INFO] [stdout] 630 | |             })
[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 `chess-engine` (bin "chess-engine" test) 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]    --> src/board.rs:618:9
[INFO] [stdout]     |
[INFO] [stdout] 614 |           directions: impl Iterator<Item = Coord> + 'a,
[INFO] [stdout]     |           -------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 618 | /         directions
[INFO] [stdout] 619 | |             .map(move |dir| {
[INFO] [stdout] 620 | |                 (1..)
[INFO] [stdout] 621 | |                     .map(move |i| origin + dir * i)
[INFO] [stdout] ...   |
[INFO] [stdout] 629 | |                     })
[INFO] [stdout] 630 | |             })
[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 `chess-engine` (bin "chess-engine") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b29864756435f62f2c206c9cab7435d08cea94833d154c998849ad53aee8395b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29864756435f62f2c206c9cab7435d08cea94833d154c998849ad53aee8395b", kill_on_drop: false }`
[INFO] [stdout] b29864756435f62f2c206c9cab7435d08cea94833d154c998849ad53aee8395b