[INFO] fetching crate goscript-codegen 0.1.0... [INFO] checking goscript-codegen-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate goscript-codegen 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate goscript-codegen 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate goscript-codegen 0.1.0 [INFO] finished tweaking crates.io crate goscript-codegen 0.1.0 [INFO] tweaked toml for crates.io crate goscript-codegen 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (available: v2.3.1) [INFO] [stderr] Adding event-listener v2.5.3 (available: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (available: v2.1.1) [INFO] [stderr] Adding futures-lite v1.13.0 (available: v2.3.0) [INFO] [stderr] Adding num-bigint v0.2.6 (available: v0.4.6) [INFO] [stderr] Adding num-rational v0.2.4 (available: v0.4.2) [INFO] [stderr] Adding ordered-float v2.10.1 (available: v4.3.0) [INFO] [stderr] Adding slotmap v0.4.3 (available: v1.0.7) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73f7609a90291d4af5891dd8ebcc1808e89b8a0f0a035d640384f0a727b946a7 [INFO] running `Command { std: "docker" "start" "-a" "73f7609a90291d4af5891dd8ebcc1808e89b8a0f0a035d640384f0a727b946a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73f7609a90291d4af5891dd8ebcc1808e89b8a0f0a035d640384f0a727b946a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73f7609a90291d4af5891dd8ebcc1808e89b8a0f0a035d640384f0a727b946a7", kill_on_drop: false }` [INFO] [stdout] 73f7609a90291d4af5891dd8ebcc1808e89b8a0f0a035d640384f0a727b946a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07f2e3aa9ba36b3e701cbab938b0e5d82a91287e264299a0493d6ce3e724f306 [INFO] running `Command { std: "docker" "start" "-a" "07f2e3aa9ba36b3e701cbab938b0e5d82a91287e264299a0493d6ce3e724f306", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking slotmap v0.4.3 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking time-test v0.2.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking goscript-parser v0.1.0 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking ordered-float v2.10.1 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking goscript-types v0.1.0 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking goscript-vm v0.1.0 [INFO] [stderr] Checking goscript-codegen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/codegen.rs:1071:13 [INFO] [stdout] | [INFO] [stdout] 1071 | drop(func); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut goscript_vm::objects::FunctionVal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 1071 - drop(func); [INFO] [stdout] 1071 + let _ = func; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/codegen.rs:1071:13 [INFO] [stdout] | [INFO] [stdout] 1071 | drop(func); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut goscript_vm::objects::FunctionVal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 1071 - drop(func); [INFO] [stdout] 1071 + let _ = func; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/codegen.rs:1730:9 [INFO] [stdout] | [INFO] [stdout] 1730 | drop(func); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut goscript_vm::objects::FunctionVal` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 1730 - drop(func); [INFO] [stdout] 1730 + let _ = func; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/codegen.rs:1730:9 [INFO] [stdout] | [INFO] [stdout] 1730 | drop(func); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut goscript_vm::objects::FunctionVal` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 1730 - drop(func); [INFO] [stdout] 1730 + let _ = func; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.21s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: goscript-vm v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "07f2e3aa9ba36b3e701cbab938b0e5d82a91287e264299a0493d6ce3e724f306", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07f2e3aa9ba36b3e701cbab938b0e5d82a91287e264299a0493d6ce3e724f306", kill_on_drop: false }` [INFO] [stdout] 07f2e3aa9ba36b3e701cbab938b0e5d82a91287e264299a0493d6ce3e724f306