[INFO] fetching crate mc-build-rs 0.1.0... [INFO] checking mc-build-rs-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mc-build-rs 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate mc-build-rs 0.1.0 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-4-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate mc-build-rs 0.1.0 [INFO] finished tweaking crates.io crate mc-build-rs 0.1.0 [INFO] tweaked toml for crates.io crate mc-build-rs 0.1.0 written to /workspace/builds/worker-4-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 68 packages to latest compatible versions [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding mockall v0.11.4 (latest: v0.13.0) [INFO] [stderr] Adding mockall_derive v0.11.4 (latest: v0.13.0) [INFO] [stderr] Adding predicates v2.1.5 (latest: v3.1.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding termtree v0.4.1 (latest: v0.5.1) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 21a3b11e3be3f9486276b62c5f56cf53e4b401e36bdf51f7291831dae3751220 [INFO] running `Command { std: "docker" "start" "-a" "21a3b11e3be3f9486276b62c5f56cf53e4b401e36bdf51f7291831dae3751220", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21a3b11e3be3f9486276b62c5f56cf53e4b401e36bdf51f7291831dae3751220", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21a3b11e3be3f9486276b62c5f56cf53e4b401e36bdf51f7291831dae3751220", kill_on_drop: false }` [INFO] [stdout] 21a3b11e3be3f9486276b62c5f56cf53e4b401e36bdf51f7291831dae3751220 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 670fea6f2c24256b2d9c2b637cdde9f6a4bd0a2e69e0ff25901bd0d61cb4627f [INFO] running `Command { std: "docker" "start" "-a" "670fea6f2c24256b2d9c2b637cdde9f6a4bd0a2e69e0ff25901bd0d61cb4627f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking predicates-core v1.0.8 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking fragile v2.0.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking downcast v0.11.0 [INFO] [stderr] Checking cargo-emit v0.2.1 [INFO] [stderr] Checking temp-env v0.3.6 [INFO] [stderr] Checking predicates-tree v1.0.11 [INFO] [stderr] Checking predicates v2.1.5 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking fluent-asserter v0.1.9 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling mockall_double v0.3.1 [INFO] [stderr] Checking mc-build-rs 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/env.rs:292:12 [INFO] [stdout] | [INFO] [stdout] 255 | let target_has_atomic = var(ENV_CARGO_CFG_TARGET_HAS_ATOMIC) [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 261 | let target_has_atomic_load_store = var(ENV_CARGO_CFG_TARGET_HAS_ATOMIC_LOAD_STORE) [INFO] [stdout] | ---------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 289 | let features = read_features(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 292 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 293 | | // CARGO_* [INFO] [stdout] 294 | | cargo_path: var(ENV_CARGO) [INFO] [stdout] 295 | | .map_err(|e| EnvironmentError::Var(ENV_CARGO.to_owned(), e))? [INFO] [stdout] ... | [INFO] [stdout] 395 | | profile_target_dir, [INFO] [stdout] 396 | | }) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mc-build-rs` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "670fea6f2c24256b2d9c2b637cdde9f6a4bd0a2e69e0ff25901bd0d61cb4627f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "670fea6f2c24256b2d9c2b637cdde9f6a4bd0a2e69e0ff25901bd0d61cb4627f", kill_on_drop: false }` [INFO] [stdout] 670fea6f2c24256b2d9c2b637cdde9f6a4bd0a2e69e0ff25901bd0d61cb4627f