[INFO] fetching crate mica-std 0.5.0... [INFO] checking mica-std-0.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mica-std 0.5.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate mica-std 0.5.0 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 mica-std 0.5.0 [INFO] finished tweaking crates.io crate mica-std 0.5.0 [INFO] tweaked toml for crates.io crate mica-std 0.5.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.11) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f622df17e3d43e02eb1b52d4cdfaceb89599120931f4410644a5c1f2e5c5a8b [INFO] running `Command { std: "docker" "start" "-a" "3f622df17e3d43e02eb1b52d4cdfaceb89599120931f4410644a5c1f2e5c5a8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f622df17e3d43e02eb1b52d4cdfaceb89599120931f4410644a5c1f2e5c5a8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f622df17e3d43e02eb1b52d4cdfaceb89599120931f4410644a5c1f2e5c5a8b", kill_on_drop: false }` [INFO] [stdout] 3f622df17e3d43e02eb1b52d4cdfaceb89599120931f4410644a5c1f2e5c5a8b [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b23bcb5bb566fee521d19b892414e3af9ce3d0a9cf701064e4a6ad1e3bb3935c [INFO] running `Command { std: "docker" "start" "-a" "b23bcb5bb566fee521d19b892414e3af9ce3d0a9cf701064e4a6ad1e3bb3935c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling mica-language v0.5.0 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking mica-hl v0.5.0 [INFO] [stderr] Checking mica-std v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/iterators/counters.rs:70:1 [INFO] [stdout] | [INFO] [stdout] 70 | pub(crate) fn load_counters(engine: &mut Engine) -> Result<(), mica_hl::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: TryFromValue` will fail [INFO] [stdout] --> src/iterators/counters.rs:95:67 [INFO] [stdout] | [INFO] [stdout] 95 | engine.start("mstd-counters.mi", include_str!("counters.mi"))?.trampoline()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/iterators/counters.rs:70:1 [INFO] [stdout] | [INFO] [stdout] 70 | pub(crate) fn load_counters(engine: &mut Engine) -> Result<(), mica_hl::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: TryFromValue` will fail [INFO] [stdout] --> src/iterators/counters.rs:95:67 [INFO] [stdout] | [INFO] [stdout] 95 | engine.start("mstd-counters.mi", include_str!("counters.mi"))?.trampoline()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s [INFO] running `Command { std: "docker" "inspect" "b23bcb5bb566fee521d19b892414e3af9ce3d0a9cf701064e4a6ad1e3bb3935c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b23bcb5bb566fee521d19b892414e3af9ce3d0a9cf701064e4a6ad1e3bb3935c", kill_on_drop: false }` [INFO] [stdout] b23bcb5bb566fee521d19b892414e3af9ce3d0a9cf701064e4a6ad1e3bb3935c