[INFO] fetching crate mechutil 0.2.2... [INFO] checking mechutil-0.2.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate mechutil 0.2.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate mechutil 0.2.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mechutil 0.2.2 [INFO] finished tweaking crates.io crate mechutil 0.2.2 [INFO] tweaked toml for crates.io crate mechutil 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c29519fcd1cc5ec98df5fe6549a11766e49b58b0e2560e60ea836660a8cd6e3 [INFO] running `Command { std: "docker" "start" "-a" "8c29519fcd1cc5ec98df5fe6549a11766e49b58b0e2560e60ea836660a8cd6e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c29519fcd1cc5ec98df5fe6549a11766e49b58b0e2560e60ea836660a8cd6e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c29519fcd1cc5ec98df5fe6549a11766e49b58b0e2560e60ea836660a8cd6e3", kill_on_drop: false }` [INFO] [stdout] 8c29519fcd1cc5ec98df5fe6549a11766e49b58b0e2560e60ea836660a8cd6e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b60ebf43bf56c1393ee14260d4fb796d7e2e2a41019e01c81719a0783de13acb [INFO] running `Command { std: "docker" "start" "-a" "b60ebf43bf56c1393ee14260d4fb796d7e2e2a41019e01c81719a0783de13acb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking indexmap v2.4.0 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking mechutil v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/variant.rs:170:25 [INFO] [stdout] | [INFO] [stdout] 170 | i => Ok(VariantValue::Int64(int)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/variant.rs:177:25 [INFO] [stdout] | [INFO] [stdout] 177 | u => Ok(VariantValue::UInt64(uint)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/variant.rs:170:25 [INFO] [stdout] | [INFO] [stdout] 170 | i => Ok(VariantValue::Int64(int)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/variant.rs:177:25 [INFO] [stdout] | [INFO] [stdout] 177 | u => Ok(VariantValue::UInt64(uint)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [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 5.40s [INFO] running `Command { std: "docker" "inspect" "b60ebf43bf56c1393ee14260d4fb796d7e2e2a41019e01c81719a0783de13acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b60ebf43bf56c1393ee14260d4fb796d7e2e2a41019e01c81719a0783de13acb", kill_on_drop: false }` [INFO] [stdout] b60ebf43bf56c1393ee14260d4fb796d7e2e2a41019e01c81719a0783de13acb [INFO] checking mechutil-0.2.2 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate mechutil 0.2.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate mechutil 0.2.2 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mechutil 0.2.2 [INFO] finished tweaking crates.io crate mechutil 0.2.2 [INFO] tweaked toml for crates.io crate mechutil 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf3792dad93fb768c31ca91e4208d6a6a427566c387bf82f0985f3e7fa42ea4c [INFO] running `Command { std: "docker" "start" "-a" "bf3792dad93fb768c31ca91e4208d6a6a427566c387bf82f0985f3e7fa42ea4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf3792dad93fb768c31ca91e4208d6a6a427566c387bf82f0985f3e7fa42ea4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf3792dad93fb768c31ca91e4208d6a6a427566c387bf82f0985f3e7fa42ea4c", kill_on_drop: false }` [INFO] [stdout] bf3792dad93fb768c31ca91e4208d6a6a427566c387bf82f0985f3e7fa42ea4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d578d47e606ac6b6cb6afa05c457219e50ba361d9a5e143dee398549eb78cd3 [INFO] running `Command { std: "docker" "start" "-a" "2d578d47e606ac6b6cb6afa05c457219e50ba361d9a5e143dee398549eb78cd3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking indexmap v2.4.0 [INFO] [stderr] Checking mechutil v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/variant.rs:170:25 [INFO] [stdout] | [INFO] [stdout] 170 | i => Ok(VariantValue::Int64(int)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/variant.rs:177:25 [INFO] [stdout] | [INFO] [stdout] 177 | u => Ok(VariantValue::UInt64(uint)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/variant.rs:170:25 [INFO] [stdout] | [INFO] [stdout] 170 | i => Ok(VariantValue::Int64(int)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/variant.rs:177:25 [INFO] [stdout] | [INFO] [stdout] 177 | u => Ok(VariantValue::UInt64(uint)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [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/variant.rs:687:49 [INFO] [stdout] | [INFO] [stdout] 687 | .map(|obj_map| VariantValue::Object(Box::new(obj_map))) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mechutil` (lib) due to 2 previous errors; 2 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/variant.rs:687:49 [INFO] [stdout] | [INFO] [stdout] 687 | .map(|obj_map| VariantValue::Object(Box::new(obj_map))) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mechutil` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2d578d47e606ac6b6cb6afa05c457219e50ba361d9a5e143dee398549eb78cd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d578d47e606ac6b6cb6afa05c457219e50ba361d9a5e143dee398549eb78cd3", kill_on_drop: false }` [INFO] [stdout] 2d578d47e606ac6b6cb6afa05c457219e50ba361d9a5e143dee398549eb78cd3