[INFO] cloning repository https://github.com/alpaylan/lcrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alpaylan/lcrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpaylan%2Flcrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpaylan%2Flcrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c829fc23b51d812d93e673ea764d5ee77f550083
[INFO] checking alpaylan/lcrs/c829fc23b51d812d93e673ea764d5ee77f550083 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%2Falpaylan%2Flcrs" "/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/alpaylan/lcrs 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/alpaylan/lcrs
[INFO] finished tweaking git repo https://github.com/alpaylan/lcrs
[INFO] tweaked toml for git repo https://github.com/alpaylan/lcrs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/alpaylan/lcrs 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] 7c2f6b54549188a9b20d6051aa848801dcd0259fb5403cbce07995ceb875fcb5
[INFO] running `Command { std: "docker" "start" "-a" "7c2f6b54549188a9b20d6051aa848801dcd0259fb5403cbce07995ceb875fcb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c2f6b54549188a9b20d6051aa848801dcd0259fb5403cbce07995ceb875fcb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2f6b54549188a9b20d6051aa848801dcd0259fb5403cbce07995ceb875fcb5", kill_on_drop: false }`
[INFO] [stdout] 7c2f6b54549188a9b20d6051aa848801dcd0259fb5403cbce07995ceb875fcb5
[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] 424e5c878e24f176b1f22702aedcdc82c655d4c390c4e1b52af86d61f33af4f8
[INFO] running `Command { std: "docker" "start" "-a" "424e5c878e24f176b1f22702aedcdc82c655d4c390c4e1b52af86d61f33af4f8", kill_on_drop: false }`
[INFO] [stderr]     Checking lcrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `ite` is never used
[INFO] [stdout]    --> src/ulc.rs:258:12
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn ite() -> Expr {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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/ulc.rs:162:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn lambda(id: &str, expr: Expr) -> Expr {
[INFO] [stdout]     |                             ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 162 |         Expr::Lam(id.to_string(), Box::new(expr))
[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/ulc.rs:279:55
[INFO] [stdout]     |
[INFO] [stdout] 279 |             let inside = (0..*self).fold(fx, |acc, _| Expr::Var("f".to_string()).apply(&acc));
[INFO] [stdout]     |                                               ---     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lcrs` (bin "ulc") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `ite` is never used
[INFO] [stdout]    --> src/ulc.rs:258:12
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn ite() -> Expr {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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/ulc.rs:162:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn lambda(id: &str, expr: Expr) -> Expr {
[INFO] [stdout]     |                             ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 162 |         Expr::Lam(id.to_string(), Box::new(expr))
[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/ulc.rs:279:55
[INFO] [stdout]     |
[INFO] [stdout] 279 |             let inside = (0..*self).fold(fx, |acc, _| Expr::Var("f".to_string()).apply(&acc));
[INFO] [stdout]     |                                               ---     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lcrs` (bin "ulc" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "424e5c878e24f176b1f22702aedcdc82c655d4c390c4e1b52af86d61f33af4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424e5c878e24f176b1f22702aedcdc82c655d4c390c4e1b52af86d61f33af4f8", kill_on_drop: false }`
[INFO] [stdout] 424e5c878e24f176b1f22702aedcdc82c655d4c390c4e1b52af86d61f33af4f8