[INFO] fetching crate kevlar 0.1.2... [INFO] checking kevlar-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate kevlar 0.1.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate kevlar 0.1.2 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 kevlar 0.1.2 [INFO] finished tweaking crates.io crate kevlar 0.1.2 [INFO] tweaked toml for crates.io crate kevlar 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding fern v0.5.9 (latest: v0.6.2) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 50a84467f7ad26a8ab54d843273a8c7f1b47d0671363040b57ffe257085afa77 [INFO] running `Command { std: "docker" "start" "-a" "50a84467f7ad26a8ab54d843273a8c7f1b47d0671363040b57ffe257085afa77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50a84467f7ad26a8ab54d843273a8c7f1b47d0671363040b57ffe257085afa77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50a84467f7ad26a8ab54d843273a8c7f1b47d0671363040b57ffe257085afa77", kill_on_drop: false }` [INFO] [stdout] 50a84467f7ad26a8ab54d843273a8c7f1b47d0671363040b57ffe257085afa77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ac3f5f0d0f8820de74f572ca88fd424e3c474dca446c545868a37ea019d6b5f4 [INFO] running `Command { std: "docker" "start" "-a" "ac3f5f0d0f8820de74f572ca88fd424e3c474dca446c545868a37ea019d6b5f4", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking fern v0.5.9 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking kevlar v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `filename` and `label` are never read [INFO] [stdout] --> src/testresult.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct TestArtifact { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 60 | filename: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 61 | artifact_type: TestArtifactType, [INFO] [stdout] 62 | label: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestArtifact` 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: field `name` is never read [INFO] [stdout] --> src/testresult.rs:188:5 [INFO] [stdout] | [INFO] [stdout] 187 | pub struct TestRecord { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 188 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestRecord` has a derived impl for the trait `Debug`, but this is 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/testconfig.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 35 | let file = File::open(config_path).expect(&format!( [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 43 | serde_json::from_value(json).expect(&format!( [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kevlar` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: fields `filename` and `label` are never read [INFO] [stdout] --> src/testresult.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct TestArtifact { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 60 | filename: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 61 | artifact_type: TestArtifactType, [INFO] [stdout] 62 | label: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestArtifact` 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: field `name` is never read [INFO] [stdout] --> src/testresult.rs:188:5 [INFO] [stdout] | [INFO] [stdout] 187 | pub struct TestRecord { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 188 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestRecord` has a derived impl for the trait `Debug`, but this is 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/testconfig.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 35 | let file = File::open(config_path).expect(&format!( [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 43 | serde_json::from_value(json).expect(&format!( [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] [stderr] error: could not compile `kevlar` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ac3f5f0d0f8820de74f572ca88fd424e3c474dca446c545868a37ea019d6b5f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac3f5f0d0f8820de74f572ca88fd424e3c474dca446c545868a37ea019d6b5f4", kill_on_drop: false }` [INFO] [stdout] ac3f5f0d0f8820de74f572ca88fd424e3c474dca446c545868a37ea019d6b5f4