[INFO] fetching crate fvm_ipld_encoding 0.4.0... [INFO] checking fvm_ipld_encoding-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate fvm_ipld_encoding 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate fvm_ipld_encoding 0.4.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fvm_ipld_encoding 0.4.0 [INFO] finished tweaking crates.io crate fvm_ipld_encoding 0.4.0 [INFO] tweaked toml for crates.io crate fvm_ipld_encoding 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding cbor4ii v0.2.14 (latest: v0.3.3) [INFO] [stderr] Adding cid v0.10.1 (latest: v0.11.1) [INFO] [stderr] Adding multihash v0.18.1 (latest: v0.19.1) [INFO] [stderr] Adding multihash-derive v0.8.1 (latest: v0.9.0) [INFO] [stderr] Adding proc-macro-crate v1.1.3 (latest: v3.2.0) [INFO] [stderr] Adding serde-big-array v0.3.3 (latest: v0.5.1) [INFO] [stderr] Adding serde_ipld_dagcbor v0.4.2 (latest: v0.6.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.19) [INFO] [stderr] Adding unsigned-varint v0.7.2 (latest: v0.8.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32eb75f34e51150f8f0f63c8ef95d7e800cf6515f945ccde56c171d8613d8382 [INFO] running `Command { std: "docker" "start" "-a" "32eb75f34e51150f8f0f63c8ef95d7e800cf6515f945ccde56c171d8613d8382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32eb75f34e51150f8f0f63c8ef95d7e800cf6515f945ccde56c171d8613d8382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32eb75f34e51150f8f0f63c8ef95d7e800cf6515f945ccde56c171d8613d8382", kill_on_drop: false }` [INFO] [stdout] 32eb75f34e51150f8f0f63c8ef95d7e800cf6515f945ccde56c171d8613d8382 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 528947feac2452ecead3defbfa2b577ac7fca127614bc6413c9e42c29b724830 [INFO] running `Command { std: "docker" "start" "-a" "528947feac2452ecead3defbfa2b577ac7fca127614bc6413c9e42c29b724830", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling data-encoding v2.6.0 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling unicode-xid v0.2.5 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking constant_time_eq v0.3.1 [INFO] [stderr] Checking arrayref v0.3.8 [INFO] [stderr] Checking core2 v0.4.0 [INFO] [stderr] Checking base-x v0.2.11 [INFO] [stderr] Checking unsigned-varint v0.7.2 [INFO] [stderr] Checking blake2b_simd v1.0.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling serde_repr v0.1.19 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.13 [INFO] [stderr] Compiling multihash-derive v0.8.1 [INFO] [stderr] Compiling serde_tuple_macros v0.5.0 [INFO] [stderr] Checking data-encoding-macro v0.1.15 [INFO] [stderr] Checking multibase v0.9.1 [INFO] [stderr] Checking serde-big-array v0.3.3 [INFO] [stderr] Checking serde_bytes v0.11.15 [INFO] [stderr] Checking cbor4ii v0.2.14 [INFO] [stderr] Checking serde_tuple v0.5.0 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking multihash v0.18.1 [INFO] [stderr] Checking cid v0.10.1 [INFO] [stderr] Checking fvm_ipld_blockstore v0.2.1 [INFO] [stderr] Checking serde_ipld_dagcbor v0.4.2 [INFO] [stderr] Checking fvm_ipld_encoding v0.4.0 (/opt/rustwide/workdir) [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/lib.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn from_reader(reader: R) -> Result [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 57 | serde_ipld_dagcbor::from_reader(reader).map_err(Into::into) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn to_writer(mut writer: W, value: &T) -> Result<(), Error> [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | serde_ipld_dagcbor::to_writer(&mut writer, value).map_err(Into::into) [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 `fvm_ipld_encoding` (lib) due to 3 previous errors [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/lib.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn from_reader(reader: R) -> Result [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 57 | serde_ipld_dagcbor::from_reader(reader).map_err(Into::into) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn to_writer(mut writer: W, value: &T) -> Result<(), Error> [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | serde_ipld_dagcbor::to_writer(&mut writer, value).map_err(Into::into) [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 `fvm_ipld_encoding` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "528947feac2452ecead3defbfa2b577ac7fca127614bc6413c9e42c29b724830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "528947feac2452ecead3defbfa2b577ac7fca127614bc6413c9e42c29b724830", kill_on_drop: false }` [INFO] [stdout] 528947feac2452ecead3defbfa2b577ac7fca127614bc6413c9e42c29b724830