[INFO] fetching crate ipfs-unixfs 0.2.0... [INFO] checking ipfs-unixfs-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ipfs-unixfs 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate ipfs-unixfs 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 ipfs-unixfs 0.2.0 [INFO] finished tweaking crates.io crate ipfs-unixfs 0.2.0 [INFO] tweaked toml for crates.io crate ipfs-unixfs 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate ipfs-unixfs 0.2.0 already has a lockfile, it will not be regenerated [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-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] 0844461559ad0028ea7b41034eed1b569a96c8e39b6c028a792c40ab0757a346 [INFO] running `Command { std: "docker" "start" "-a" "0844461559ad0028ea7b41034eed1b569a96c8e39b6c028a792c40ab0757a346", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0844461559ad0028ea7b41034eed1b569a96c8e39b6c028a792c40ab0757a346", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0844461559ad0028ea7b41034eed1b569a96c8e39b6c028a792c40ab0757a346", kill_on_drop: false }` [INFO] [stdout] 0844461559ad0028ea7b41034eed1b569a96c8e39b6c028a792c40ab0757a346 [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] 7985333ade60704de4a0a81c0abf4a3519601641268ee1703ba3a4fa938ae8d2 [INFO] running `Command { std: "docker" "start" "-a" "7985333ade60704de4a0a81c0abf4a3519601641268ee1703ba3a4fa938ae8d2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking block-padding v0.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling data-encoding v2.3.0 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.8.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Checking blake2s_simd v0.5.10 [INFO] [stderr] Checking blake2b_simd v0.5.10 [INFO] [stderr] Checking unsigned-varint v0.5.1 [INFO] [stderr] Checking base-x v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking filetime v0.2.12 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking unsigned-varint v0.3.3 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking quick-protobuf v0.7.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking tar v0.4.30 [INFO] [stderr] Compiling hex-literal v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking sha-1 v0.9.1 [INFO] [stderr] Checking sha3 v0.9.1 [INFO] [stderr] Checking sha2 v0.9.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking multihash v0.11.4 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.8 [INFO] [stderr] Checking data-encoding-macro v0.1.8 [INFO] [stderr] Checking multibase v0.8.0 [INFO] [stderr] Checking cid v0.5.1 [INFO] [stderr] Checking ipfs-unixfs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `hidden` is never read [INFO] [stdout] --> src/lib.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct InvalidCidInLink { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 51 | hidden: (), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InvalidCidInLink` has a derived impl for the trait `Debug`, 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: method `unwrap_borrowed` is never used [INFO] [stdout] --> src/file.rs:157:8 [INFO] [stdout] | [INFO] [stdout] 155 | pub(crate) trait UnwrapBorrowedExt<'a> { [INFO] [stdout] | ----------------- method in this trait [INFO] [stdout] 156 | /// Does not default but requires there to be an borrowed inner value. [INFO] [stdout] 157 | fn unwrap_borrowed(self) -> &'a [u8]; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] error: this value of type `file::reader::FileContent<'_, I>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/file/reader.rs:251:13 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn unwrap_content(self) -> &'a [u8] { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 251 | y => panic!("Expected FileContent::Bytes, found: {:?}", y), [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] warning: field `hidden` is never read [INFO] [stdout] --> src/lib.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct InvalidCidInLink { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 51 | hidden: (), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InvalidCidInLink` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ipfs-unixfs` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7985333ade60704de4a0a81c0abf4a3519601641268ee1703ba3a4fa938ae8d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7985333ade60704de4a0a81c0abf4a3519601641268ee1703ba3a4fa938ae8d2", kill_on_drop: false }` [INFO] [stdout] 7985333ade60704de4a0a81c0abf4a3519601641268ee1703ba3a4fa938ae8d2