[INFO] cloning repository https://github.com/The-Ludwig/Rustvent2024 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/The-Ludwig/Rustvent2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThe-Ludwig%2FRustvent2024", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThe-Ludwig%2FRustvent2024'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1ec45d0e44f6d84cbaf88944d5d352efb69a82f2 [INFO] checking The-Ludwig/Rustvent2024/1ec45d0e44f6d84cbaf88944d5d352efb69a82f2 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%2FThe-Ludwig%2FRustvent2024" "/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/The-Ludwig/Rustvent2024 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] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/The-Ludwig/Rustvent2024 [INFO] finished tweaking git repo https://github.com/The-Ludwig/Rustvent2024 [INFO] tweaked toml for git repo https://github.com/The-Ludwig/Rustvent2024 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/The-Ludwig/Rustvent2024 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] a3a125081373853cb624bf45e14486b2d1269a9d3b21b3e49f8274f5aafa44ac [INFO] running `Command { std: "docker" "start" "-a" "a3a125081373853cb624bf45e14486b2d1269a9d3b21b3e49f8274f5aafa44ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3a125081373853cb624bf45e14486b2d1269a9d3b21b3e49f8274f5aafa44ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3a125081373853cb624bf45e14486b2d1269a9d3b21b3e49f8274f5aafa44ac", kill_on_drop: false }` [INFO] [stdout] a3a125081373853cb624bf45e14486b2d1269a9d3b21b3e49f8274f5aafa44ac [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] ac75ab6df7937b7ee172ef23dccfc5999286b67ac80269ba6df58145d8cef53d [INFO] running `Command { std: "docker" "start" "-a" "ac75ab6df7937b7ee172ef23dccfc5999286b67ac80269ba6df58145d8cef53d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling curl v0.4.44 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Compiling libz-sys v1.1.12 [INFO] [stderr] Compiling curl-sys v0.4.68+curl-8.4.0 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking rustvent2023 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Map` is never constructed [INFO] [stdout] --> src/lib.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | struct Map { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_str` is never used [INFO] [stdout] --> src/lib.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 63 | impl> Map { [INFO] [stdout] | ----------------------------- associated function in this implementation [INFO] [stdout] 64 | fn from_str(s: &str) -> Map { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_index`, `get`, and `get_mut` are never used [INFO] [stdout] --> src/lib.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 83 | impl Map { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 84 | fn get_index(&self, pos: &Pos) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | fn get(&self, pos: &Pos) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | fn get_mut(&mut self, pos: &Pos) -> Option<&mut T> { [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/lib.rs:72:29 [INFO] [stdout] | [INFO] [stdout] 72 | .filter_map(|c| T::try_from(c).ok()) [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustvent2023` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `Map` is never constructed [INFO] [stdout] --> src/lib.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | struct Map { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_str` is never used [INFO] [stdout] --> src/lib.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 63 | impl> Map { [INFO] [stdout] | ----------------------------- associated function in this implementation [INFO] [stdout] 64 | fn from_str(s: &str) -> Map { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_index`, `get`, and `get_mut` are never used [INFO] [stdout] --> src/lib.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 83 | impl Map { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 84 | fn get_index(&self, pos: &Pos) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | fn get(&self, pos: &Pos) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | fn get_mut(&mut self, pos: &Pos) -> Option<&mut T> { [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/lib.rs:72:29 [INFO] [stdout] | [INFO] [stdout] 72 | .filter_map(|c| T::try_from(c).ok()) [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustvent2023` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ac75ab6df7937b7ee172ef23dccfc5999286b67ac80269ba6df58145d8cef53d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac75ab6df7937b7ee172ef23dccfc5999286b67ac80269ba6df58145d8cef53d", kill_on_drop: false }` [INFO] [stdout] ac75ab6df7937b7ee172ef23dccfc5999286b67ac80269ba6df58145d8cef53d