[INFO] fetching crate smlr 0.1.3... [INFO] checking smlr-0.1.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate smlr 0.1.3 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate smlr 0.1.3 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 crates.io crate smlr 0.1.3 [INFO] finished tweaking crates.io crate smlr 0.1.3 [INFO] tweaked toml for crates.io crate smlr 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate smlr 0.1.3 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] cc6cb8ba3f8382c308d6e4048d7d53faaf19b123a0a9ed36c5b9405d0483d55a [INFO] running `Command { std: "docker" "start" "-a" "cc6cb8ba3f8382c308d6e4048d7d53faaf19b123a0a9ed36c5b9405d0483d55a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc6cb8ba3f8382c308d6e4048d7d53faaf19b123a0a9ed36c5b9405d0483d55a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc6cb8ba3f8382c308d6e4048d7d53faaf19b123a0a9ed36c5b9405d0483d55a", kill_on_drop: false }` [INFO] [stdout] cc6cb8ba3f8382c308d6e4048d7d53faaf19b123a0a9ed36c5b9405d0483d55a [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] 313e9ee788ff8deb6b03b516137a826c5c6c55d7f200e7d792626280d851fd8f [INFO] running `Command { std: "docker" "start" "-a" "313e9ee788ff8deb6b03b516137a826c5c6c55d7f200e7d792626280d851fd8f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking subtle v2.2.3 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking eddie v0.4.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking blake2 v0.9.0 [INFO] [stderr] Checking smlr v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Indexer` is never used [INFO] [stdout] --> src/indexer.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | trait Indexer { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/indexer.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct Index<'a> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 18 | /// Reference to the content [INFO] [stdout] 19 | content: &'a str, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Index` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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/score.rs:12:52 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)] [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used [INFO] [stdout] --> src/score.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | ScoringAlgo::from("junk"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 133 | let _ = ScoringAlgo::from("junk"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Indexer` is never used [INFO] [stdout] --> src/indexer.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | trait Indexer { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smlr` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/indexer.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct Index<'a> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 18 | /// Reference to the content [INFO] [stdout] 19 | content: &'a str, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Index` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [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/score.rs:12:52 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)] [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smlr` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "313e9ee788ff8deb6b03b516137a826c5c6c55d7f200e7d792626280d851fd8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "313e9ee788ff8deb6b03b516137a826c5c6c55d7f200e7d792626280d851fd8f", kill_on_drop: false }` [INFO] [stdout] 313e9ee788ff8deb6b03b516137a826c5c6c55d7f200e7d792626280d851fd8f