[INFO] cloning repository https://github.com/jevankovich/scheme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jevankovich/scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e63c01d41c286a1b887ce03984ca05f50d8f9d7d [INFO] checking jevankovich/scheme against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jevankovich/scheme on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jevankovich/scheme [INFO] finished tweaking git repo https://github.com/jevankovich/scheme [INFO] tweaked toml for git repo https://github.com/jevankovich/scheme written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jevankovich/scheme 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3397549bafc164c7f4173adf30390ad4cd0a8adf263c3c31fc120290e1a3a915 [INFO] running `Command { std: "docker" "start" "-a" "3397549bafc164c7f4173adf30390ad4cd0a8adf263c3c31fc120290e1a3a915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3397549bafc164c7f4173adf30390ad4cd0a8adf263c3c31fc120290e1a3a915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3397549bafc164c7f4173adf30390ad4cd0a8adf263c3c31fc120290e1a3a915", kill_on_drop: false }` [INFO] [stdout] 3397549bafc164c7f4173adf30390ad4cd0a8adf263c3c31fc120290e1a3a915 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e92eea5fbb3091ff35fecd5934e1ca112e5490318d24fbdd0a85f5dd12121fd7 [INFO] running `Command { std: "docker" "start" "-a" "e92eea5fbb3091ff35fecd5934e1ca112e5490318d24fbdd0a85f5dd12121fd7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking scheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `car` [INFO] [stdout] --> main.rs:52:28 [INFO] [stdout] | [INFO] [stdout] 52 | SExp::Cons(ref car, ref cdr) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_car` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `car` [INFO] [stdout] --> main.rs:52:28 [INFO] [stdout] | [INFO] [stdout] 52 | SExp::Cons(ref car, ref cdr) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_car` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cdr` [INFO] [stdout] --> main.rs:52:37 [INFO] [stdout] | [INFO] [stdout] 52 | SExp::Cons(ref car, ref cdr) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cdr` [INFO] [stdout] --> main.rs:52:37 [INFO] [stdout] | [INFO] [stdout] 52 | SExp::Cons(ref car, ref cdr) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nil`, `Cons`, `Int`, `Float`, and `Sym` are never constructed [INFO] [stdout] --> main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | enum SExp { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 8 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | Cons(Box, Box), [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | Int(i64), [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | Float(f64), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Sym(String), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SExp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nil`, `Cons`, `Int`, `Float`, and `Sym` are never constructed [INFO] [stdout] --> main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | enum SExp { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 8 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | Cons(Box, Box), [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | Int(i64), [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | Float(f64), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Sym(String), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SExp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `nil`, `cons`, `int`, `float`, and `sym` are never used [INFO] [stdout] --> main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl LispVal { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] 17 | fn nil() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn cons(car: LispVal, cdr: LispVal) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn int(x: i64) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn float(x: f64) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn sym(s: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `nil`, `cons`, `int`, `float`, and `sym` are never used [INFO] [stdout] --> main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl LispVal { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] 17 | fn nil() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn cons(car: LispVal, cdr: LispVal) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn int(x: i64) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn float(x: f64) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn sym(s: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] running `Command { std: "docker" "inspect" "e92eea5fbb3091ff35fecd5934e1ca112e5490318d24fbdd0a85f5dd12121fd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e92eea5fbb3091ff35fecd5934e1ca112e5490318d24fbdd0a85f5dd12121fd7", kill_on_drop: false }` [INFO] [stdout] e92eea5fbb3091ff35fecd5934e1ca112e5490318d24fbdd0a85f5dd12121fd7 [INFO] checking jevankovich/scheme against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jevankovich/scheme on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jevankovich/scheme [INFO] finished tweaking git repo https://github.com/jevankovich/scheme [INFO] tweaked toml for git repo https://github.com/jevankovich/scheme written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jevankovich/scheme 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6e6dc6b11ba0826a32873e20c2345f83e4474e93595e1381f42689cef32178a [INFO] running `Command { std: "docker" "start" "-a" "e6e6dc6b11ba0826a32873e20c2345f83e4474e93595e1381f42689cef32178a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6e6dc6b11ba0826a32873e20c2345f83e4474e93595e1381f42689cef32178a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6e6dc6b11ba0826a32873e20c2345f83e4474e93595e1381f42689cef32178a", kill_on_drop: false }` [INFO] [stdout] e6e6dc6b11ba0826a32873e20c2345f83e4474e93595e1381f42689cef32178a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dbfb0e547aceea113bfe6b4d4b1d9a2221e746e3557f59df7e392d155a9253ce [INFO] running `Command { std: "docker" "start" "-a" "dbfb0e547aceea113bfe6b4d4b1d9a2221e746e3557f59df7e392d155a9253ce", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking scheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `car` [INFO] [stdout] --> main.rs:52:28 [INFO] [stdout] | [INFO] [stdout] 52 | SExp::Cons(ref car, ref cdr) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_car` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `car` [INFO] [stdout] --> main.rs:52:28 [INFO] [stdout] | [INFO] [stdout] 52 | SExp::Cons(ref car, ref cdr) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_car` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cdr` [INFO] [stdout] --> main.rs:52:37 [INFO] [stdout] | [INFO] [stdout] 52 | SExp::Cons(ref car, ref cdr) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cdr` [INFO] [stdout] --> main.rs:52:37 [INFO] [stdout] | [INFO] [stdout] 52 | SExp::Cons(ref car, ref cdr) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nil`, `Cons`, `Int`, `Float`, and `Sym` are never constructed [INFO] [stdout] --> main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | enum SExp { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 8 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | Cons(Box, Box), [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | Int(i64), [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | Float(f64), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Sym(String), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SExp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `nil`, `cons`, `int`, `float`, and `sym` are never used [INFO] [stdout] --> main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl LispVal { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] 17 | fn nil() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn cons(car: LispVal, cdr: LispVal) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn int(x: i64) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn float(x: f64) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn sym(s: &str) -> Self { [INFO] [stdout] | ^^^ [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] --> main.rs:22:24 [INFO] [stdout] | [INFO] [stdout] 21 | fn cons(car: LispVal, cdr: LispVal) -> Self { [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] 22 | LispVal { val: Box::new(SExp::Cons(car.val, cdr.val)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nil`, `Cons`, `Int`, `Float`, and `Sym` are never constructed [INFO] [stdout] --> main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | enum SExp { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 8 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | Cons(Box, Box), [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | Int(i64), [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | Float(f64), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Sym(String), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SExp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `nil`, `cons`, `int`, `float`, and `sym` are never used [INFO] [stdout] --> main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl LispVal { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] 17 | fn nil() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn cons(car: LispVal, cdr: LispVal) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn int(x: i64) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn float(x: f64) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn sym(s: &str) -> Self { [INFO] [stdout] | ^^^ [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] --> main.rs:22:24 [INFO] [stdout] | [INFO] [stdout] 21 | fn cons(car: LispVal, cdr: LispVal) -> Self { [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] 22 | LispVal { val: Box::new(SExp::Cons(car.val, cdr.val)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `scheme` (bin "scheme" test) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `scheme` (bin "scheme") due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dbfb0e547aceea113bfe6b4d4b1d9a2221e746e3557f59df7e392d155a9253ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbfb0e547aceea113bfe6b4d4b1d9a2221e746e3557f59df7e392d155a9253ce", kill_on_drop: false }` [INFO] [stdout] dbfb0e547aceea113bfe6b4d4b1d9a2221e746e3557f59df7e392d155a9253ce