[INFO] cloning repository https://github.com/diegomrsantos/cryptopals [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diegomrsantos/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegomrsantos%2Fcryptopals", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegomrsantos%2Fcryptopals'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 35703b10609016867f76945251e127d3001a857d [INFO] checking diegomrsantos/cryptopals/35703b10609016867f76945251e127d3001a857d 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%2Fdiegomrsantos%2Fcryptopals" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/diegomrsantos/cryptopals 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/diegomrsantos/cryptopals [INFO] finished tweaking git repo https://github.com/diegomrsantos/cryptopals [INFO] tweaked toml for git repo https://github.com/diegomrsantos/cryptopals written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/diegomrsantos/cryptopals 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 59cfb42e3a4da7fd315b50c88e6c03d8c6aa324b3b801fb31bdcffdd65ba95e7 [INFO] running `Command { std: "docker" "start" "-a" "59cfb42e3a4da7fd315b50c88e6c03d8c6aa324b3b801fb31bdcffdd65ba95e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59cfb42e3a4da7fd315b50c88e6c03d8c6aa324b3b801fb31bdcffdd65ba95e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59cfb42e3a4da7fd315b50c88e6c03d8c6aa324b3b801fb31bdcffdd65ba95e7", kill_on_drop: false }` [INFO] [stdout] 59cfb42e3a4da7fd315b50c88e6c03d8c6aa324b3b801fb31bdcffdd65ba95e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 662845a47dc85c920045faf9e224e64fccb6db7ce94fcc7225c85056a14e64cc [INFO] running `Command { std: "docker" "start" "-a" "662845a47dc85c920045faf9e224e64fccb6db7ce94fcc7225c85056a14e64cc", kill_on_drop: false }` [INFO] [stderr] Checking cryptopals v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `LengthMismatch` is never constructed [INFO] [stdout] --> src/basics/fixed_xor.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum XorError { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 9 | LengthMismatch, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XorError` 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: function `fixed_xor` is never used [INFO] [stdout] --> src/basics/fixed_xor.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn fixed_xor(hex1: &str, hex2: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bytes_to_hex` is never used [INFO] [stdout] --> src/basics/fixed_xor.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn bytes_to_hex>(bytes: T) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_frequency` is never used [INFO] [stdout] --> src/basics/single_byte_xor_cypher.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | const fn get_frequency(c: char) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_score` is never used [INFO] [stdout] --> src/basics/single_byte_xor_cypher.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn calculate_score(text: &str) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `best_score_single_byte_xor` is never used [INFO] [stdout] --> src/basics/single_byte_xor_cypher.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn best_score_single_byte_xor(hex_text: &str) -> Result<(String, f32), ConversionError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `break_single_byte_xor` is never used [INFO] [stdout] --> src/basics/single_byte_xor_cypher.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn break_single_byte_xor(ciphertext: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_lines` is never used [INFO] [stdout] --> src/basics/detect_single_character_xor.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn read_lines(file_path: &str) -> Result, io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `detect_single_character_xor` is never used [INFO] [stdout] --> src/basics/detect_single_character_xor.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn detect_single_character_xor(hex_texts: Vec) -> Result { [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/basics/detect_single_character_xor.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | let file = fs::File::open(file_path)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 8 | let reader = io::BufReader::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 9 | reader.lines().collect() [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] = 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; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cryptopals` (lib) due to 2 previous errors; 9 warnings emitted [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/basics/detect_single_character_xor.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | let file = fs::File::open(file_path)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 8 | let reader = io::BufReader::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 9 | reader.lines().collect() [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] = 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cryptopals` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "662845a47dc85c920045faf9e224e64fccb6db7ce94fcc7225c85056a14e64cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "662845a47dc85c920045faf9e224e64fccb6db7ce94fcc7225c85056a14e64cc", kill_on_drop: false }` [INFO] [stdout] 662845a47dc85c920045faf9e224e64fccb6db7ce94fcc7225c85056a14e64cc