[INFO] cloning repository https://github.com/Qi-Zhan/FlashFill [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Qi-Zhan/FlashFill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQi-Zhan%2FFlashFill", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQi-Zhan%2FFlashFill'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2240540b2a45906fe86bd593d674bcbd175fa676 [INFO] checking Qi-Zhan/FlashFill/2240540b2a45906fe86bd593d674bcbd175fa676 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%2FQi-Zhan%2FFlashFill" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Qi-Zhan/FlashFill 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/Qi-Zhan/FlashFill [INFO] finished tweaking git repo https://github.com/Qi-Zhan/FlashFill [INFO] tweaked toml for git repo https://github.com/Qi-Zhan/FlashFill written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Qi-Zhan/FlashFill 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 34502bda011e8c7126c2e48f7075b648da928af67fbc1df0850aa25d8fe60c64 [INFO] running `Command { std: "docker" "start" "-a" "34502bda011e8c7126c2e48f7075b648da928af67fbc1df0850aa25d8fe60c64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34502bda011e8c7126c2e48f7075b648da928af67fbc1df0850aa25d8fe60c64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34502bda011e8c7126c2e48f7075b648da928af67fbc1df0850aa25d8fe60c64", kill_on_drop: false }` [INFO] [stdout] 34502bda011e8c7126c2e48f7075b648da928af67fbc1df0850aa25d8fe60c64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 39eab3f52d7cc6ed526800915cb675770012a35c6a5311a9bc8eeec06babe66a [INFO] running `Command { std: "docker" "start" "-a" "39eab3f52d7cc6ed526800915cb675770012a35c6a5311a9bc8eeec06babe66a", kill_on_drop: false }` [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking flashfill v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `nodes` is never read [INFO] [stdout] --> src/data_structure.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Dag { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 38 | pub nodes: HashSet, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Dag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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/data_structure.rs:124:36 [INFO] [stdout] | [INFO] [stdout] 124 | .flat_map(|f1| w2.iter().flat_map(|f2| f1.unify(f2)).collect_vec()) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/data_structure.rs:156:36 [INFO] [stdout] | [INFO] [stdout] 156 | .flat_map(|f1| w2.iter().flat_map(|f2| f1.intersect(f2)).collect_vec()) [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/synthesis.rs:16:43 [INFO] [stdout] | [INFO] [stdout] 16 | .map(|(sigma, s)| (sigma.clone(), generate_str(sigma, s, true))) [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/synthesis.rs:198:56 [INFO] [stdout] | [INFO] [stdout] 198 | ... .and_modify(|f| f.push(AtomicSet::Loop { e: e.clone() })); [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 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `flashfill` (lib) due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `nodes` is never read [INFO] [stdout] --> src/data_structure.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Dag { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 38 | pub nodes: HashSet, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Dag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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/data_structure.rs:124:36 [INFO] [stdout] | [INFO] [stdout] 124 | .flat_map(|f1| w2.iter().flat_map(|f2| f1.unify(f2)).collect_vec()) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/data_structure.rs:156:36 [INFO] [stdout] | [INFO] [stdout] 156 | .flat_map(|f1| w2.iter().flat_map(|f2| f1.intersect(f2)).collect_vec()) [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/synthesis.rs:16:43 [INFO] [stdout] | [INFO] [stdout] 16 | .map(|(sigma, s)| (sigma.clone(), generate_str(sigma, s, true))) [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/synthesis.rs:198:56 [INFO] [stdout] | [INFO] [stdout] 198 | ... .and_modify(|f| f.push(AtomicSet::Loop { e: e.clone() })); [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 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `flashfill` (lib test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "39eab3f52d7cc6ed526800915cb675770012a35c6a5311a9bc8eeec06babe66a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39eab3f52d7cc6ed526800915cb675770012a35c6a5311a9bc8eeec06babe66a", kill_on_drop: false }` [INFO] [stdout] 39eab3f52d7cc6ed526800915cb675770012a35c6a5311a9bc8eeec06babe66a