[INFO] cloning repository https://github.com/NattapongSiri/vec_optimization_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NattapongSiri/vec_optimization_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fvec_optimization_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fvec_optimization_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 380fe272ce55b649b013afd2e750bbaaf7ac9e3c [INFO] checking NattapongSiri/vec_optimization_test/380fe272ce55b649b013afd2e750bbaaf7ac9e3c 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%2FNattapongSiri%2Fvec_optimization_test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NattapongSiri/vec_optimization_test 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/NattapongSiri/vec_optimization_test [INFO] finished tweaking git repo https://github.com/NattapongSiri/vec_optimization_test [INFO] tweaked toml for git repo https://github.com/NattapongSiri/vec_optimization_test written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NattapongSiri/vec_optimization_test 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c04623f046d1ebc612a88143de4c6be3be8dc98b595e8a073eeab5b7f1891010 [INFO] running `Command { std: "docker" "start" "-a" "c04623f046d1ebc612a88143de4c6be3be8dc98b595e8a073eeab5b7f1891010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c04623f046d1ebc612a88143de4c6be3be8dc98b595e8a073eeab5b7f1891010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c04623f046d1ebc612a88143de4c6be3be8dc98b595e8a073eeab5b7f1891010", kill_on_drop: false }` [INFO] [stdout] c04623f046d1ebc612a88143de4c6be3be8dc98b595e8a073eeab5b7f1891010 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d1fdcbd4231e181a32d81bf851d8576b7a0c34174b09f7d2e30b0eac3969fb18 [INFO] running `Command { std: "docker" "start" "-a" "d1fdcbd4231e181a32d81bf851d8576b7a0c34174b09f7d2e30b0eac3969fb18", kill_on_drop: false }` [INFO] [stderr] Checking vec_experiment v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl VecPair { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:110:12 [INFO] [stdout] | [INFO] [stdout] 109 | impl TupleVec { [INFO] [stdout] | ------------------------- associated function in this implementation [INFO] [stdout] 110 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:188:12 [INFO] [stdout] | [INFO] [stdout] 187 | impl FlattenVec { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 188 | pub fn new() -> 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] --> src/main.rs:39:59 [INFO] [stdout] | [INFO] [stdout] 39 | let result = self.keys.pop().and_then(|key| {Some((key, self.values.pop().unwrap()))}); [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 [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/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 75 | fn into_iter(self) -> Self::IntoIter { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 76 | self.keys.into_iter().zip(self.values.into_iter()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/main.rs:76:35 [INFO] [stdout] | [INFO] [stdout] 75 | fn into_iter(self) -> Self::IntoIter { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 76 | self.keys.into_iter().zip(self.values.into_iter()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `vec_experiment` (bin "vec_experiment" test) due to 4 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl VecPair { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:110:12 [INFO] [stdout] | [INFO] [stdout] 109 | impl TupleVec { [INFO] [stdout] | ------------------------- associated function in this implementation [INFO] [stdout] 110 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:188:12 [INFO] [stdout] | [INFO] [stdout] 187 | impl FlattenVec { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 188 | pub fn new() -> 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] --> src/main.rs:39:59 [INFO] [stdout] | [INFO] [stdout] 39 | let result = self.keys.pop().and_then(|key| {Some((key, self.values.pop().unwrap()))}); [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 [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/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 75 | fn into_iter(self) -> Self::IntoIter { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 76 | self.keys.into_iter().zip(self.values.into_iter()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/main.rs:76:35 [INFO] [stdout] | [INFO] [stdout] 75 | fn into_iter(self) -> Self::IntoIter { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 76 | self.keys.into_iter().zip(self.values.into_iter()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `vec_experiment` (bin "vec_experiment") due to 4 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d1fdcbd4231e181a32d81bf851d8576b7a0c34174b09f7d2e30b0eac3969fb18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1fdcbd4231e181a32d81bf851d8576b7a0c34174b09f7d2e30b0eac3969fb18", kill_on_drop: false }` [INFO] [stdout] d1fdcbd4231e181a32d81bf851d8576b7a0c34174b09f7d2e30b0eac3969fb18