[INFO] fetching crate twinkled 0.1.2... [INFO] checking twinkled-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate twinkled 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate twinkled 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 twinkled 0.1.2 [INFO] finished tweaking crates.io crate twinkled 0.1.2 [INFO] tweaked toml for crates.io crate twinkled 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate twinkled 0.1.2 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] 4218027c3b2f4f72e35e5fb61ad8866f7c414218ffbdccc7f815a4f7af94ab13 [INFO] running `Command { std: "docker" "start" "-a" "4218027c3b2f4f72e35e5fb61ad8866f7c414218ffbdccc7f815a4f7af94ab13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4218027c3b2f4f72e35e5fb61ad8866f7c414218ffbdccc7f815a4f7af94ab13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4218027c3b2f4f72e35e5fb61ad8866f7c414218ffbdccc7f815a4f7af94ab13", kill_on_drop: false }` [INFO] [stdout] 4218027c3b2f4f72e35e5fb61ad8866f7c414218ffbdccc7f815a4f7af94ab13 [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] 22d2b25efe5be03d0752185556889521cc2dc712398a1bc36d75332f9bc7cdaa [INFO] running `Command { std: "docker" "start" "-a" "22d2b25efe5be03d0752185556889521cc2dc712398a1bc36d75332f9bc7cdaa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking bytes v0.5.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Checking tokio v0.2.4 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking twinkled v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/errors.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Display` [INFO] [stdout] --> src/errors.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtrace` and `Context` [INFO] [stdout] --> src/errors.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use failure::{Backtrace, Context, Fail}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/errors.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Display` [INFO] [stdout] --> src/errors.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtrace` and `Context` [INFO] [stdout] --> src/errors.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use failure::{Backtrace, Context, Fail}; [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/store.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn deserialize(inner: R) -> Result { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 91 | Ok(Store{store: Arc::new(Mutex::new(store))}) [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 `twinkled` (lib) due to 2 previous errors; 3 warnings emitted [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/store.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn deserialize(inner: R) -> Result { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 91 | Ok(Store{store: Arc::new(Mutex::new(store))}) [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 `twinkled` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "22d2b25efe5be03d0752185556889521cc2dc712398a1bc36d75332f9bc7cdaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22d2b25efe5be03d0752185556889521cc2dc712398a1bc36d75332f9bc7cdaa", kill_on_drop: false }` [INFO] [stdout] 22d2b25efe5be03d0752185556889521cc2dc712398a1bc36d75332f9bc7cdaa