[INFO] cloning repository https://github.com/LucianoBestia/dev_bestia_simple_server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LucianoBestia/dev_bestia_simple_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucianoBestia%2Fdev_bestia_simple_server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucianoBestia%2Fdev_bestia_simple_server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5bf9d6466983528faf032c77a0523e9acaa37a7a [INFO] checking LucianoBestia/dev_bestia_simple_server/5bf9d6466983528faf032c77a0523e9acaa37a7a against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucianoBestia%2Fdev_bestia_simple_server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LucianoBestia/dev_bestia_simple_server on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LucianoBestia/dev_bestia_simple_server [INFO] finished tweaking git repo https://github.com/LucianoBestia/dev_bestia_simple_server [INFO] tweaked toml for git repo https://github.com/LucianoBestia/dev_bestia_simple_server written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LucianoBestia/dev_bestia_simple_server 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 511d9328e03f60b02a267b84d895a45360d9d8c0f942f8d23ca63f5cf7e2bde3 [INFO] running `Command { std: "docker" "start" "-a" "511d9328e03f60b02a267b84d895a45360d9d8c0f942f8d23ca63f5cf7e2bde3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "511d9328e03f60b02a267b84d895a45360d9d8c0f942f8d23ca63f5cf7e2bde3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "511d9328e03f60b02a267b84d895a45360d9d8c0f942f8d23ca63f5cf7e2bde3", kill_on_drop: false }` [INFO] [stdout] 511d9328e03f60b02a267b84d895a45360d9d8c0f942f8d23ca63f5cf7e2bde3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16b336722b0f22104cde66494bdc4c23a9510d0d4d39e736970da65ce1111c6d [INFO] running `Command { std: "docker" "start" "-a" "16b336722b0f22104cde66494bdc4c23a9510d0d4d39e736970da65ce1111c6d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling time-macros v0.2.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking unwrap v1.2.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.3.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking dev_bestia_simple_server v2021.918.1640 (/opt/rustwide/workdir) [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stdout] error: this value of type `error::Error` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/request.rs:175:17 [INFO] [stdout] | [INFO] [stdout] 171 | let result = read(&mut s, Some(timeout)); [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 175 | Err(e) => panic!("Expected timeout but got {:?}", e), [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: unused borrow that must be used [INFO] [stdout] --> src/request.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | &buf[..min].copy_from_slice(&self.content[..min]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = &buf[..min].copy_from_slice(&self.content[..min]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/request.rs:146:25 [INFO] [stdout] | [INFO] [stdout] 146 | &buf[..min].copy_from_slice(&self.content[self.bytes_read..self.bytes_read + min]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = &buf[..min].copy_from_slice(&self.content[self.bytes_read..self.bytes_read + min]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dev_bestia_simple_server` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "16b336722b0f22104cde66494bdc4c23a9510d0d4d39e736970da65ce1111c6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16b336722b0f22104cde66494bdc4c23a9510d0d4d39e736970da65ce1111c6d", kill_on_drop: false }` [INFO] [stdout] 16b336722b0f22104cde66494bdc4c23a9510d0d4d39e736970da65ce1111c6d