[INFO] cloning repository https://github.com/K-ros5/learning_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/K-ros5/learning_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-ros5%2Flearning_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-ros5%2Flearning_huffman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1217261a4a0409908f353dbbea9eb77441bba301 [INFO] checking K-ros5/learning_huffman/1217261a4a0409908f353dbbea9eb77441bba301 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%2FK-ros5%2Flearning_huffman" "/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/K-ros5/learning_huffman 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/K-ros5/learning_huffman [INFO] finished tweaking git repo https://github.com/K-ros5/learning_huffman [INFO] tweaked toml for git repo https://github.com/K-ros5/learning_huffman written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/K-ros5/learning_huffman 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-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39c55ae257a91526a6428ce2e06697b99c97adc07c0e29e4f713c55b3a6689a3 [INFO] running `Command { std: "docker" "start" "-a" "39c55ae257a91526a6428ce2e06697b99c97adc07c0e29e4f713c55b3a6689a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39c55ae257a91526a6428ce2e06697b99c97adc07c0e29e4f713c55b3a6689a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39c55ae257a91526a6428ce2e06697b99c97adc07c0e29e4f713c55b3a6689a3", kill_on_drop: false }` [INFO] [stdout] 39c55ae257a91526a6428ce2e06697b99c97adc07c0e29e4f713c55b3a6689a3 [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37520765484f25dfcf8857e9d04f93915698b490fad9a458edf02b7e32add9b6 [INFO] running `Command { std: "docker" "start" "-a" "37520765484f25dfcf8857e9d04f93915698b490fad9a458edf02b7e32add9b6", kill_on_drop: false }` [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stderr] Checking colorchoice v1.0.1 [INFO] [stderr] Checking is_terminal_polyfill v1.70.0 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Checking anstyle-query v1.1.0 [INFO] [stderr] Compiling syn v2.0.69 [INFO] [stderr] Checking clap_lex v0.7.1 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Checking clap_builder v4.5.8 [INFO] [stderr] Compiling clap_derive v4.5.8 [INFO] [stderr] Checking clap v4.5.8 [INFO] [stderr] Checking learning_huffman 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/fileops.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn compress(mut self, file: &str) -> io::Result> { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 100 | let mut file = File::open(file)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 112 | Ok(CompressFile { [INFO] [stdout] | ____________^ [INFO] [stdout] 113 | | state: self.state, [INFO] [stdout] 114 | | _marker: PhantomData, [INFO] [stdout] 115 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/fileops.rs:282:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn decompress_freq(mut self, file: &str) -> io::Result> { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 249 | let mut file = File::open(file)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 282 | Ok(DecompressFile { [INFO] [stdout] | ____________^ [INFO] [stdout] 283 | | state: self.state, [INFO] [stdout] 284 | | _marker: PhantomData, [INFO] [stdout] 285 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/huff.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut heap = BinaryHeap::new(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 62 | heap.pop().map(Box::new) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `learning_huffman` (lib test) due to 4 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/fileops.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn compress(mut self, file: &str) -> io::Result> { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 100 | let mut file = File::open(file)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 112 | Ok(CompressFile { [INFO] [stdout] | ____________^ [INFO] [stdout] 113 | | state: self.state, [INFO] [stdout] 114 | | _marker: PhantomData, [INFO] [stdout] 115 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/fileops.rs:282:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn decompress_freq(mut self, file: &str) -> io::Result> { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 249 | let mut file = File::open(file)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 282 | Ok(DecompressFile { [INFO] [stdout] | ____________^ [INFO] [stdout] 283 | | state: self.state, [INFO] [stdout] 284 | | _marker: PhantomData, [INFO] [stdout] 285 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/huff.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut heap = BinaryHeap::new(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 62 | heap.pop().map(Box::new) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `learning_huffman` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "37520765484f25dfcf8857e9d04f93915698b490fad9a458edf02b7e32add9b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37520765484f25dfcf8857e9d04f93915698b490fad9a458edf02b7e32add9b6", kill_on_drop: false }` [INFO] [stdout] 37520765484f25dfcf8857e9d04f93915698b490fad9a458edf02b7e32add9b6