[INFO] fetching crate tcp-test 0.1.0...
[INFO] checking tcp-test-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate tcp-test 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tcp-test 0.1.0 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 tcp-test 0.1.0
[INFO] finished tweaking crates.io crate tcp-test 0.1.0
[INFO] tweaked toml for crates.io crate tcp-test 0.1.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ea62de7bea91d4dc321f5eadcbdb68dff649c3e57e2c0159ae9198e0494a86b
[INFO] running `Command { std: "docker" "start" "-a" "0ea62de7bea91d4dc321f5eadcbdb68dff649c3e57e2c0159ae9198e0494a86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ea62de7bea91d4dc321f5eadcbdb68dff649c3e57e2c0159ae9198e0494a86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea62de7bea91d4dc321f5eadcbdb68dff649c3e57e2c0159ae9198e0494a86b", kill_on_drop: false }`
[INFO] [stdout] 0ea62de7bea91d4dc321f5eadcbdb68dff649c3e57e2c0159ae9198e0494a86b
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd6512bf3eabeb3e23ec743997bb28ebcfeb2e9e583889cb92a0478ac5648000
[INFO] running `Command { std: "docker" "start" "-a" "dd6512bf3eabeb3e23ec743997bb28ebcfeb2e9e583889cb92a0478ac5648000", kill_on_drop: false }`
[INFO] [stderr]     Checking tcp-test v0.1.0 (/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:195:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |   pub fn channel_on(address: impl ToSocketAddrs) -> (TcpStream, TcpStream) {
[INFO] [stdout]     |                     --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 184 |       let lock = unsafe { CHANNEL.clone().unwrap() };
[INFO] [stdout]     |           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 185 |
[INFO] [stdout] 186 |       let guard = lock
[INFO] [stdout]     |           ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 195 | /     guard
[INFO] [stdout] 196 | |         .1
[INFO] [stdout] 197 | |         .recv()
[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/lib.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |   fn resolve(address: impl ToSocketAddrs) -> SocketAddr {
[INFO] [stdout]     |              --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 204 | /     address
[INFO] [stdout] 205 | |         .to_socket_addrs()
[INFO] [stdout] 206 | |         .expect(concat!(
[INFO] [stdout] 207 | |             "<impl ToSocketAddrs>::to_socket_addrs() at resolve(), line ",
[INFO] [stdout] 208 | |             line!()
[INFO] [stdout] 209 | |         ))
[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 `tcp-test` (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:195:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |   pub fn channel_on(address: impl ToSocketAddrs) -> (TcpStream, TcpStream) {
[INFO] [stdout]     |                     --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 184 |       let lock = unsafe { CHANNEL.clone().unwrap() };
[INFO] [stdout]     |           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 185 |
[INFO] [stdout] 186 |       let guard = lock
[INFO] [stdout]     |           ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 195 | /     guard
[INFO] [stdout] 196 | |         .1
[INFO] [stdout] 197 | |         .recv()
[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/lib.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |   fn resolve(address: impl ToSocketAddrs) -> SocketAddr {
[INFO] [stdout]     |              --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 204 | /     address
[INFO] [stdout] 205 | |         .to_socket_addrs()
[INFO] [stdout] 206 | |         .expect(concat!(
[INFO] [stdout] 207 | |             "<impl ToSocketAddrs>::to_socket_addrs() at resolve(), line ",
[INFO] [stdout] 208 | |             line!()
[INFO] [stdout] 209 | |         ))
[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 `tcp-test` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "dd6512bf3eabeb3e23ec743997bb28ebcfeb2e9e583889cb92a0478ac5648000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6512bf3eabeb3e23ec743997bb28ebcfeb2e9e583889cb92a0478ac5648000", kill_on_drop: false }`
[INFO] [stdout] dd6512bf3eabeb3e23ec743997bb28ebcfeb2e9e583889cb92a0478ac5648000