[INFO] fetching crate wasm_membrane_host 0.2.0... [INFO] checking wasm_membrane_host-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate wasm_membrane_host 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate wasm_membrane_host 0.2.0 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 wasm_membrane_host 0.2.0 [INFO] finished tweaking crates.io crate wasm_membrane_host 0.2.0 [INFO] tweaked toml for crates.io crate wasm_membrane_host 0.2.0 written to /workspace/builds/worker-7-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 153 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.11) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytecheck v0.6.12 (available: v0.8.0) [INFO] [stderr] Adding bytecheck_derive v0.6.12 (available: v0.8.0) [INFO] [stderr] Adding cranelift-bforest v0.82.3 (available: v0.112.1) [INFO] [stderr] Adding cranelift-codegen v0.82.3 (available: v0.112.1) [INFO] [stderr] Adding cranelift-codegen-meta v0.82.3 (available: v0.112.1) [INFO] [stderr] Adding cranelift-codegen-shared v0.82.3 (available: v0.112.1) [INFO] [stderr] Adding cranelift-entity v0.82.3 (available: v0.112.1) [INFO] [stderr] Adding cranelift-frontend v0.82.3 (available: v0.112.1) [INFO] [stderr] Adding enum-iterator v0.7.0 (available: v2.1.0) [INFO] [stderr] Adding enum-iterator-derive v0.7.0 (available: v1.4.0) [INFO] [stderr] Adding fallible-iterator v0.2.0 (available: v0.3.0) [INFO] [stderr] Adding gimli v0.26.2 (available: v0.31.0) [INFO] [stderr] Adding hashbrown v0.11.2 (available: v0.14.5) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding libloading v0.7.4 (available: v0.8.5) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding memmap2 v0.5.10 (available: v0.9.5) [INFO] [stderr] Adding memoffset v0.6.5 (available: v0.9.1) [INFO] [stderr] Adding more-asserts v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding object v0.28.4 (available: v0.36.4) [INFO] [stderr] Adding ptr_meta v0.1.4 (available: v0.3.0) [INFO] [stderr] Adding ptr_meta_derive v0.1.4 (available: v0.3.0) [INFO] [stderr] Adding radium v0.7.0 (available: v1.1.0) [INFO] [stderr] Adding rend v0.4.2 (available: v0.5.1) [INFO] [stderr] Adding rkyv v0.7.45 (available: v0.8.8) [INFO] [stderr] Adding rkyv_derive v0.7.45 (available: v0.8.8) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.0.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding wasmer v2.3.0 (available: v4.3.7) [INFO] [stderr] Adding wasmer-compiler v2.3.0 (available: v4.3.7) [INFO] [stderr] Adding wasmer-compiler-cranelift v2.3.0 (available: v4.3.7) [INFO] [stderr] Adding wasmer-derive v2.3.0 (available: v4.3.7) [INFO] [stderr] Adding wasmer-object v2.3.0 (available: v4.3.7) [INFO] [stderr] Adding wasmer-types v2.3.0 (available: v4.3.7) [INFO] [stderr] Adding wasmer-vm v2.3.0 (available: v4.3.7) [INFO] [stderr] Adding wasmparser v0.83.0 (available: v0.217.0) [INFO] [stderr] Adding which v4.4.2 (available: v6.0.3) [INFO] [stderr] Adding windows-sys v0.33.0 (available: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] [stderr] Adding windows_aarch64_msvc v0.33.0 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.33.0 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.33.0 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.33.0 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.33.0 (available: v0.52.6) [INFO] [stderr] Adding wyz v0.5.1 (available: v0.6.1) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2497b3ef4d862bc88da5813de9938f52b7886c2f05720ab66fcda8c1c16fc71a [INFO] running `Command { std: "docker" "start" "-a" "2497b3ef4d862bc88da5813de9938f52b7886c2f05720ab66fcda8c1c16fc71a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2497b3ef4d862bc88da5813de9938f52b7886c2f05720ab66fcda8c1c16fc71a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2497b3ef4d862bc88da5813de9938f52b7886c2f05720ab66fcda8c1c16fc71a", kill_on_drop: false }` [INFO] [stdout] 2497b3ef4d862bc88da5813de9938f52b7886c2f05720ab66fcda8c1c16fc71a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 70f2eeb2d60b2b1763f92b989a4dcb9fc43bf019e9fd3a843584c80cd3b5fceb [INFO] running `Command { std: "docker" "start" "-a" "70f2eeb2d60b2b1763f92b989a4dcb9fc43bf019e9fd3a843584c80cd3b5fceb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling target-lexicon v0.12.16 [INFO] [stderr] Compiling rkyv v0.7.45 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking gimli v0.31.0 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Checking more-asserts v0.2.2 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking wasmparser v0.83.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling corosensei v0.1.4 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Compiling ptr_meta_derive v0.1.4 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Compiling enum-iterator-derive v0.7.0 [INFO] [stderr] Compiling loupe-derive v0.1.3 [INFO] [stderr] Compiling rkyv_derive v0.7.45 [INFO] [stderr] Compiling cranelift-codegen-shared v0.82.3 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Compiling cranelift-codegen-meta v0.82.3 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking ptr_meta v0.1.4 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking cranelift-entity v0.82.3 [INFO] [stderr] Checking enum-iterator v0.7.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Checking cranelift-bforest v0.82.3 [INFO] [stderr] Checking regalloc v0.0.34 [INFO] [stderr] Checking wasm-encoder v0.217.0 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Compiling wasmer-compiler-cranelift v2.3.0 [INFO] [stderr] Checking bumpalo v3.16.0 [INFO] [stderr] Checking home v0.5.9 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking libloading v0.7.4 [INFO] [stderr] Compiling wasmer-derive v2.3.0 [INFO] [stderr] Checking wast v217.0.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking ahash v0.7.8 [INFO] [stderr] Checking region v3.0.2 [INFO] [stderr] Checking memmap2 v0.5.10 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling cranelift-codegen v0.82.3 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling enumset_derive v0.10.0 [INFO] [stderr] Checking which v4.4.2 [INFO] [stderr] Checking tempfile v3.13.0 [INFO] [stderr] Checking addr2line v0.24.1 [INFO] [stderr] Checking serde_bytes v0.11.15 [INFO] [stderr] Checking enumset v1.1.5 [INFO] [stderr] Checking loupe v0.1.3 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking object v0.28.4 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking wasmer-types v2.3.0 [INFO] [stderr] Checking wasmer-compiler v2.3.0 [INFO] [stderr] Checking wat v1.217.0 [INFO] [stderr] Checking wasmer-artifact v2.3.0 [INFO] [stderr] Checking wasmer-object v2.3.0 [INFO] [stderr] Checking wasmer-vm v2.3.0 [INFO] [stderr] Checking wasmer-engine-universal-artifact v2.3.0 [INFO] [stderr] Checking wasmer-engine v2.3.0 [INFO] [stderr] Checking wasmer-engine-universal v2.3.0 [INFO] [stderr] Checking wasmer-engine-dylib v2.3.0 [INFO] [stderr] Checking cranelift-frontend v0.82.3 [INFO] [stderr] Checking wasmer v2.3.0 [INFO] [stderr] Checking wasm_membrane_host v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `NamedResolver` and `RuntimeError` [INFO] [stdout] --> src/membrane.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | NamedResolver, RuntimeError, WasmPtr, WasmerEnv, [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NamedResolver` and `RuntimeError` [INFO] [stdout] --> src/membrane.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | NamedResolver, RuntimeError, WasmPtr, WasmerEnv, [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/membrane.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/membrane.rs:55:25 [INFO] [stdout] | [INFO] [stdout] 55 | Err(error) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/membrane.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/membrane.rs:55:25 [INFO] [stdout] | [INFO] [stdout] 55 | Err(error) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ptr` and `len` are never read [INFO] [stdout] --> src/membrane.rs:320:5 [INFO] [stdout] | [INFO] [stdout] 319 | pub struct WasmBuffer { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 320 | ptr: WasmPtr, [INFO] [stdout] | ^^^ [INFO] [stdout] 321 | len: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WasmBuffer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ptr` and `len` are never read [INFO] [stdout] --> src/membrane.rs:320:5 [INFO] [stdout] | [INFO] [stdout] 319 | pub struct WasmBuffer { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 320 | ptr: WasmPtr, [INFO] [stdout] | ^^^ [INFO] [stdout] 321 | len: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WasmBuffer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.55s [INFO] running `Command { std: "docker" "inspect" "70f2eeb2d60b2b1763f92b989a4dcb9fc43bf019e9fd3a843584c80cd3b5fceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70f2eeb2d60b2b1763f92b989a4dcb9fc43bf019e9fd3a843584c80cd3b5fceb", kill_on_drop: false }` [INFO] [stdout] 70f2eeb2d60b2b1763f92b989a4dcb9fc43bf019e9fd3a843584c80cd3b5fceb