[INFO] fetching crate multihash 0.19.1...
[INFO] checking multihash-0.19.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate multihash 0.19.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate multihash 0.19.1 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 multihash 0.19.1
[INFO] finished tweaking crates.io crate multihash 0.19.1
[INFO] tweaked toml for crates.io crate multihash 0.19.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate multihash 0.19.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d9698cd53afde8f0139868f8a5cfed398c33218cfd5363bc2ad7977d5488b7c2
[INFO] running `Command { std: "docker" "start" "-a" "d9698cd53afde8f0139868f8a5cfed398c33218cfd5363bc2ad7977d5488b7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9698cd53afde8f0139868f8a5cfed398c33218cfd5363bc2ad7977d5488b7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9698cd53afde8f0139868f8a5cfed398c33218cfd5363bc2ad7977d5488b7c2", kill_on_drop: false }`
[INFO] [stdout] d9698cd53afde8f0139868f8a5cfed398c33218cfd5363bc2ad7977d5488b7c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 603047c7bac3a437719e1ce3b1116b67c3e82e2a66ce93a59426ecfe6fadcca1
[INFO] running `Command { std: "docker" "start" "-a" "603047c7bac3a437719e1ce3b1116b67c3e82e2a66ce93a59426ecfe6fadcca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_test v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking arbitrary v1.3.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking multihash v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.9
[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/error.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub(crate) fn io_to_multihash_error(err: io::Error) -> Error {
[INFO] [stdout]    |                                     -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 73 |     Error {
[INFO] [stdout] 74 |         kind: Kind::Io(err),
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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/multihash.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub(crate) fn read_u64<R: io::Read>(r: R) -> Result<u64, Error> {
[INFO] [stdout]     |                                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 290 |     unsigned_varint::io::read_u64(r).map_err(crate::error::unsigned_varint_to_multihash_error)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multihash` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "603047c7bac3a437719e1ce3b1116b67c3e82e2a66ce93a59426ecfe6fadcca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603047c7bac3a437719e1ce3b1116b67c3e82e2a66ce93a59426ecfe6fadcca1", kill_on_drop: false }`
[INFO] [stdout] 603047c7bac3a437719e1ce3b1116b67c3e82e2a66ce93a59426ecfe6fadcca1