[INFO] cloning repository https://github.com/TaraJura/rusty_tcp_handler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TaraJura/rusty_tcp_handler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTaraJura%2Frusty_tcp_handler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTaraJura%2Frusty_tcp_handler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de5bd697f649f93f5c5e4b284a9c4969b3f0df9a
[INFO] checking TaraJura/rusty_tcp_handler against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTaraJura%2Frusty_tcp_handler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TaraJura/rusty_tcp_handler on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TaraJura/rusty_tcp_handler
[INFO] finished tweaking git repo https://github.com/TaraJura/rusty_tcp_handler
[INFO] tweaked toml for git repo https://github.com/TaraJura/rusty_tcp_handler written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TaraJura/rusty_tcp_handler 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5db5c37c3c181ba5aaa2688b6a2d561d1f052fdb1d6912a92362294d1c1fbb80
[INFO] running `Command { std: "docker" "start" "-a" "5db5c37c3c181ba5aaa2688b6a2d561d1f052fdb1d6912a92362294d1c1fbb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db5c37c3c181ba5aaa2688b6a2d561d1f052fdb1d6912a92362294d1c1fbb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db5c37c3c181ba5aaa2688b6a2d561d1f052fdb1d6912a92362294d1c1fbb80", kill_on_drop: false }`
[INFO] [stdout] 5db5c37c3c181ba5aaa2688b6a2d561d1f052fdb1d6912a92362294d1c1fbb80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07d2568fb93054bde8e70b7191c5da557cd5c5bc65f09d030cc7b144365cada2
[INFO] running `Command { std: "docker" "start" "-a" "07d2568fb93054bde8e70b7191c5da557cd5c5bc65f09d030cc7b144365cada2", kill_on_drop: false }`
[INFO] [stderr]     Checking tcp_handler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "07d2568fb93054bde8e70b7191c5da557cd5c5bc65f09d030cc7b144365cada2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d2568fb93054bde8e70b7191c5da557cd5c5bc65f09d030cc7b144365cada2", kill_on_drop: false }`
[INFO] [stdout] 07d2568fb93054bde8e70b7191c5da557cd5c5bc65f09d030cc7b144365cada2
[INFO] checking TaraJura/rusty_tcp_handler against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTaraJura%2Frusty_tcp_handler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TaraJura/rusty_tcp_handler on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TaraJura/rusty_tcp_handler
[INFO] finished tweaking git repo https://github.com/TaraJura/rusty_tcp_handler
[INFO] tweaked toml for git repo https://github.com/TaraJura/rusty_tcp_handler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TaraJura/rusty_tcp_handler 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b4e8191249cefe6295c80e2df25fd9e0306ef945f5312987481592526a7ac2a
[INFO] running `Command { std: "docker" "start" "-a" "5b4e8191249cefe6295c80e2df25fd9e0306ef945f5312987481592526a7ac2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4e8191249cefe6295c80e2df25fd9e0306ef945f5312987481592526a7ac2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4e8191249cefe6295c80e2df25fd9e0306ef945f5312987481592526a7ac2a", kill_on_drop: false }`
[INFO] [stdout] 5b4e8191249cefe6295c80e2df25fd9e0306ef945f5312987481592526a7ac2a
[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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1186d177c8588a18d5de264f8a5104925cbc39d417f4cc6edc67ff44b7c35034
[INFO] running `Command { std: "docker" "start" "-a" "1186d177c8588a18d5de264f8a5104925cbc39d417f4cc6edc67ff44b7c35034", kill_on_drop: false }`
[INFO] [stderr]     Checking tcp_handler 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/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn handle_client(mut stream: TcpStream) {
[INFO] [stdout]   |                  --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 7 |     let mut buffer = [0; 1024];
[INFO] [stdout] 8 |     match stream.read(&mut buffer) {
[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/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn handle_client(mut stream: TcpStream) {
[INFO] [stdout]   |                  --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 7 |     let mut buffer = [0; 1024];
[INFO] [stdout] 8 |     match stream.read(&mut buffer) {
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp_handler` (bin "tcp_handler") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tcp_handler` (bin "tcp_handler" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1186d177c8588a18d5de264f8a5104925cbc39d417f4cc6edc67ff44b7c35034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1186d177c8588a18d5de264f8a5104925cbc39d417f4cc6edc67ff44b7c35034", kill_on_drop: false }`
[INFO] [stdout] 1186d177c8588a18d5de264f8a5104925cbc39d417f4cc6edc67ff44b7c35034