[INFO] cloning repository https://github.com/arthurlm/codecrafters-grep-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthurlm/codecrafters-grep-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurlm%2Fcodecrafters-grep-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurlm%2Fcodecrafters-grep-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c8b992eefbb64608565b9ac4077603dc4793e2be [INFO] checking arthurlm/codecrafters-grep-rust/c8b992eefbb64608565b9ac4077603dc4793e2be 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%2Farthurlm%2Fcodecrafters-grep-rust" "/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/arthurlm/codecrafters-grep-rust 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/arthurlm/codecrafters-grep-rust [INFO] finished tweaking git repo https://github.com/arthurlm/codecrafters-grep-rust [INFO] tweaked toml for git repo https://github.com/arthurlm/codecrafters-grep-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/arthurlm/codecrafters-grep-rust 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] 0d0b27624a6a276445b5b43e9bbbd80766bba07c179d528fed3dd5f63d12444e [INFO] running `Command { std: "docker" "start" "-a" "0d0b27624a6a276445b5b43e9bbbd80766bba07c179d528fed3dd5f63d12444e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d0b27624a6a276445b5b43e9bbbd80766bba07c179d528fed3dd5f63d12444e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d0b27624a6a276445b5b43e9bbbd80766bba07c179d528fed3dd5f63d12444e", kill_on_drop: false }` [INFO] [stdout] 0d0b27624a6a276445b5b43e9bbbd80766bba07c179d528fed3dd5f63d12444e [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] 1c5e520ef6271266d2e41ad1c45e5405466b229589cef9d24c733b7aa74ed2a3 [INFO] running `Command { std: "docker" "start" "-a" "1c5e520ef6271266d2e41ad1c45e5405466b229589cef9d24c733b7aa74ed2a3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling anyhow v1.0.68 [INFO] [stderr] Compiling thiserror v1.0.38 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling thiserror-impl v1.0.38 [INFO] [stderr] Checking grep-starter-rust 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/lib.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 48 | let mut patterns = Vec::new(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 101 | Ok(Self { patterns }) [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/lib.rs:268:29 [INFO] [stdout] | [INFO] [stdout] 268 | match_here(&concat_pattern(pattern, rem_patterns), context)) [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `grep-starter-rust` (lib) due to 3 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/lib.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 48 | let mut patterns = Vec::new(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 101 | Ok(Self { patterns }) [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/lib.rs:268:29 [INFO] [stdout] | [INFO] [stdout] 268 | match_here(&concat_pattern(pattern, rem_patterns), context)) [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `grep-starter-rust` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "1c5e520ef6271266d2e41ad1c45e5405466b229589cef9d24c733b7aa74ed2a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c5e520ef6271266d2e41ad1c45e5405466b229589cef9d24c733b7aa74ed2a3", kill_on_drop: false }` [INFO] [stdout] 1c5e520ef6271266d2e41ad1c45e5405466b229589cef9d24c733b7aa74ed2a3