[INFO] fetching crate iroh-util 0.2.0... [INFO] checking iroh-util-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate iroh-util 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate iroh-util 0.2.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate iroh-util 0.2.0 [INFO] finished tweaking crates.io crate iroh-util 0.2.0 [INFO] tweaked toml for crates.io crate iroh-util 0.2.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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 156 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.11) [INFO] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cargo_metadata v0.14.2 (available: v0.18.1) [INFO] [stderr] Adding cid v0.9.0 (available: v0.11.1) [INFO] [stderr] Adding config v0.13.4 (available: v0.14.0) [INFO] [stderr] Adding dlv-list v0.3.0 (available: v0.5.2) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding memoffset v0.7.1 (available: v0.9.1) [INFO] [stderr] Adding multihash v0.17.0 (available: v0.19.1) [INFO] [stderr] Adding multihash-derive v0.8.1 (available: v0.9.0) [INFO] [stderr] Adding nix v0.26.4 (available: v0.29.0) [INFO] [stderr] Adding ordered-multimap v0.4.3 (available: v0.7.3) [INFO] [stderr] Adding proc-macro-crate v1.1.3 (available: v1.3.1) [INFO] [stderr] Adding rlimit v0.8.3 (available: v0.10.2) [INFO] [stderr] Adding ron v0.7.1 (available: v0.8.1) [INFO] [stderr] Adding rust-ini v0.18.0 (available: v0.21.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (available: v0.13.1) [INFO] [stderr] Adding sysinfo v0.26.9 (available: v0.31.4) [INFO] [stderr] Adding testdir v0.7.3 (available: v0.9.1) [INFO] [stderr] Adding toml v0.5.11 (available: v0.8.19) [INFO] [stderr] Adding unsigned-varint v0.7.2 (available: v0.8.0) [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a8970c4bbae0974fb8ced71a2cf770f790eb9d1a5810d327efcf7330946348f5 [INFO] running `Command { std: "docker" "start" "-a" "a8970c4bbae0974fb8ced71a2cf770f790eb9d1a5810d327efcf7330946348f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8970c4bbae0974fb8ced71a2cf770f790eb9d1a5810d327efcf7330946348f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8970c4bbae0974fb8ced71a2cf770f790eb9d1a5810d327efcf7330946348f5", kill_on_drop: false }` [INFO] [stdout] a8970c4bbae0974fb8ced71a2cf770f790eb9d1a5810d327efcf7330946348f5 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e326ea48c1d377606b934729ae73ed1976e387f0b32c8401e8e4e8809767165f [INFO] running `Command { std: "docker" "start" "-a" "e326ea48c1d377606b934729ae73ed1976e387f0b32c8401e8e4e8809767165f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking arrayref v0.3.9 [INFO] [stderr] Checking constant_time_eq v0.3.1 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling blake3 v1.5.4 [INFO] [stderr] Compiling data-encoding v2.6.0 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling camino v1.1.9 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking dlv-list v0.3.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking blake2s_simd v1.0.2 [INFO] [stderr] Checking blake2b_simd v1.0.2 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking core2 v0.4.0 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking base-x v0.2.11 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking unsigned-varint v0.7.2 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking sha3 v0.10.8 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking whoami v1.5.2 [INFO] [stderr] Checking humansize v2.1.3 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking rlimit v0.8.3 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking sysinfo v0.26.9 [INFO] [stderr] Checking temp-env v0.3.6 [INFO] [stderr] Checking ordered-multimap v0.4.3 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Checking ctrlc v3.4.5 [INFO] [stderr] Checking rust-ini v0.18.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.13 [INFO] [stderr] Checking data-encoding-macro v0.1.15 [INFO] [stderr] Checking multibase v0.9.1 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Compiling pest v2.7.13 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling multihash-derive v0.8.1 [INFO] [stderr] Checking multihash v0.17.0 [INFO] [stderr] Compiling pest_meta v2.7.13 [INFO] [stderr] Compiling pest_generator v2.7.13 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling pest_derive v2.7.13 [INFO] [stderr] Checking ron v0.7.1 [INFO] [stderr] Checking cargo-platform v0.1.8 [INFO] [stderr] Checking json5 v0.4.1 [INFO] [stderr] Checking cid v0.9.0 [INFO] [stderr] Checking cargo_metadata v0.14.2 [INFO] [stderr] Checking config v0.13.4 [INFO] [stderr] Checking iroh-util v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking testdir v0.7.3 [INFO] [stdout] error: this value of type `lock::LockError` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lock.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 235 | let mut f = File::create(&path).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 236 | write!(f, "oh noes, not a lock file").unwrap(); [INFO] [stdout] 237 | let e = read_lock(&path).err().unwrap(); [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 240 | _e => { [INFO] [stdout] | ^^ [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: this value of type `std::fs::File` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lock.rs:280:25 [INFO] [stdout] | [INFO] [stdout] 256 | let mut lock = create_test_lock("test1.lock"); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 280 | let mut result = std::fs::File::open("lock_test.result").unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iroh-util` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "e326ea48c1d377606b934729ae73ed1976e387f0b32c8401e8e4e8809767165f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e326ea48c1d377606b934729ae73ed1976e387f0b32c8401e8e4e8809767165f", kill_on_drop: false }` [INFO] [stdout] e326ea48c1d377606b934729ae73ed1976e387f0b32c8401e8e4e8809767165f