[INFO] fetching crate spring83 0.0.1... [INFO] checking spring83-0.0.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate spring83 0.0.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate spring83 0.0.1 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 spring83 0.0.1 [INFO] finished tweaking crates.io crate spring83 0.0.1 [INFO] tweaked toml for crates.io crate spring83 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate spring83 0.0.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8b2490b74a7a7f8b7bd61cde0a0f62985efd99ab40216383379dc8de72476332 [INFO] running `Command { std: "docker" "start" "-a" "8b2490b74a7a7f8b7bd61cde0a0f62985efd99ab40216383379dc8de72476332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b2490b74a7a7f8b7bd61cde0a0f62985efd99ab40216383379dc8de72476332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b2490b74a7a7f8b7bd61cde0a0f62985efd99ab40216383379dc8de72476332", kill_on_drop: false }` [INFO] [stdout] 8b2490b74a7a7f8b7bd61cde0a0f62985efd99ab40216383379dc8de72476332 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b57268946934570e4b5812f53f9a6bdf38ccddf296298f06bc0ec69b6cfe2965 [INFO] running `Command { std: "docker" "start" "-a" "b57268946934570e4b5812f53f9a6bdf38ccddf296298f06bc0ec69b6cfe2965", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.100 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking signature v1.6.3 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking cpufeatures v0.2.5 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking iana-time-zone v0.1.48 [INFO] [stderr] Checking ed25519 v1.5.2 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.22 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling zeroize_derive v1.3.2 [INFO] [stderr] Checking zeroize v1.3.0 [INFO] [stderr] Checking curve25519-dalek v3.2.1 [INFO] [stderr] Checking ed25519-dalek v1.0.1 [INFO] [stderr] Checking spring83 v0.0.1 (/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/main.rs:82:38 [INFO] [stdout] | [INFO] [stdout] 82 | _ = children.into_iter().map(|c| c.join().unwrap()); [INFO] [stdout] | - ^^^^^^^^ [INFO] [stdout] | | [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `spring83` (bin "spring83" test) due to 2 previous errors [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/main.rs:82:38 [INFO] [stdout] | [INFO] [stdout] 82 | _ = children.into_iter().map(|c| c.join().unwrap()); [INFO] [stdout] | - ^^^^^^^^ [INFO] [stdout] | | [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `spring83` (bin "spring83") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b57268946934570e4b5812f53f9a6bdf38ccddf296298f06bc0ec69b6cfe2965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b57268946934570e4b5812f53f9a6bdf38ccddf296298f06bc0ec69b6cfe2965", kill_on_drop: false }` [INFO] [stdout] b57268946934570e4b5812f53f9a6bdf38ccddf296298f06bc0ec69b6cfe2965