[INFO] fetching crate comet-api 0.1.0... [INFO] checking comet-api-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate comet-api 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate comet-api 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] started tweaking crates.io crate comet-api 0.1.0 [INFO] finished tweaking crates.io crate comet-api 0.1.0 [INFO] tweaked toml for crates.io crate comet-api 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate comet-api 0.1.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9ef710cd24db0009fe17756221dc3b8685aa0afbeb6cb7ec5cab4701871fcc8c [INFO] running `Command { std: "docker" "start" "-a" "9ef710cd24db0009fe17756221dc3b8685aa0afbeb6cb7ec5cab4701871fcc8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ef710cd24db0009fe17756221dc3b8685aa0afbeb6cb7ec5cab4701871fcc8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ef710cd24db0009fe17756221dc3b8685aa0afbeb6cb7ec5cab4701871fcc8c", kill_on_drop: false }` [INFO] [stdout] 9ef710cd24db0009fe17756221dc3b8685aa0afbeb6cb7ec5cab4701871fcc8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 24bc0ead858b773c73c674c651632bf07b7671ef8e6d4a6259f49a80bbf38155 [INFO] running `Command { std: "docker" "start" "-a" "24bc0ead858b773c73c674c651632bf07b7671ef8e6d4a6259f49a80bbf38155", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking mopa v0.2.2 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling atomic v0.5.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking memmap2 v0.5.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Checking modular-bitfield v0.11.2 [INFO] [stderr] Checking comet-gc v0.1.1 [INFO] [stderr] Checking comet-api v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use comet::header::HeapObjectHeader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `HeapObjectHeader` in the type namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/lib.rs:358:17 [INFO] [stdout] | [INFO] [stdout] 358 | pub use comet::{header::*,*,gc_info_table::*}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use comet::header::HeapObjectHeader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `gc_info::*` [INFO] [stdout] --> src/lib.rs:357:60 [INFO] [stdout] | [INFO] [stdout] 357 | pub use comet::internal::{trace_trait::*,finalize_trait::*,gc_info::*}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use comet::header::HeapObjectHeader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `HeapObjectHeader` in the type namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/lib.rs:358:17 [INFO] [stdout] | [INFO] [stdout] 358 | pub use comet::{header::*,*,gc_info_table::*}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use comet::header::HeapObjectHeader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `gc_info::*` [INFO] [stdout] --> src/lib.rs:357:60 [INFO] [stdout] | [INFO] [stdout] 357 | pub use comet::internal::{trace_trait::*,finalize_trait::*,gc_info::*}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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:30:19 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(name: &str, exec: impl FnMut(&mut Visitor) + 'static) -> Self { [INFO] [stdout] | ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | exec: Box::new(exec), [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:30:19 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(name: &str, exec: impl FnMut(&mut Visitor) + 'static) -> Self { [INFO] [stdout] | ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | exec: Box::new(exec), [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] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `comet-api` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `comet-api` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "24bc0ead858b773c73c674c651632bf07b7671ef8e6d4a6259f49a80bbf38155", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24bc0ead858b773c73c674c651632bf07b7671ef8e6d4a6259f49a80bbf38155", kill_on_drop: false }` [INFO] [stdout] 24bc0ead858b773c73c674c651632bf07b7671ef8e6d4a6259f49a80bbf38155