[INFO] cloning repository https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-hernandez%2Fultimate-rust-foundations-ardan-labs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-hernandez%2Fultimate-rust-foundations-ardan-labs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a51136bd73e980c7096617441685072aed29642f [INFO] checking seb-hernandez/ultimate-rust-foundations-ardan-labs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-hernandez%2Fultimate-rust-foundations-ardan-labs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs 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/seb-hernandez/ultimate-rust-foundations-ardan-labs [INFO] finished tweaking git repo https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs [INFO] tweaked toml for git repo https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anstream v0.6.12 [INFO] [stderr] Downloaded clap_builder v4.5.1 [INFO] [stderr] Downloaded clap v4.5.1 [INFO] [stderr] Downloaded syn v2.0.50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1572136f6bcb0778557c42dd43a03ea26362b0f3b6716b13d9c6b687b15d23bf [INFO] running `Command { std: "docker" "start" "-a" "1572136f6bcb0778557c42dd43a03ea26362b0f3b6716b13d9c6b687b15d23bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1572136f6bcb0778557c42dd43a03ea26362b0f3b6716b13d9c6b687b15d23bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1572136f6bcb0778557c42dd43a03ea26362b0f3b6716b13d9c6b687b15d23bf", kill_on_drop: false }` [INFO] [stdout] 1572136f6bcb0778557c42dd43a03ea26362b0f3b6716b13d9c6b687b15d23bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c0b046c196f07eebf95541844fee624631041ac8cc1e8527425e7d06d5c2825a [INFO] running `Command { std: "docker" "start" "-a" "c0b046c196f07eebf95541844fee624631041ac8cc1e8527425e7d06d5c2825a", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling syn v2.0.50 [INFO] [stderr] Checking rwlock v0.1.0 (/opt/rustwide/workdir/session2/rwlock) [INFO] [stderr] Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/session2/scoped_threads) [INFO] [stderr] Checking thread_builder v0.1.0 (/opt/rustwide/workdir/session2/thread_builder) [INFO] [stderr] Checking parking v0.1.0 (/opt/rustwide/workdir/session2/parking) [INFO] [stderr] Checking atomics v0.1.0 (/opt/rustwide/workdir/session2/atomics) [INFO] [stderr] Checking channels v0.1.0 (/opt/rustwide/workdir/session2/channels) [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/session2/threads) [INFO] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/session2/mutexes) [INFO] [stderr] Checking divide_work v0.1.0 (/opt/rustwide/workdir/session2/divide_work) [INFO] [stderr] Checking ardan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> session2/threads/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn hello_thread(n: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking deadlocks v0.1.0 (/opt/rustwide/workdir/session2/deadlocks) [INFO] [stderr] Checking workers v0.1.0 (/opt/rustwide/workdir/session2/workers) [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> session2/threads/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn hello_thread(n: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking anstream v0.6.12 [INFO] [stderr] Checking clap_builder v4.5.1 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking dashing v0.1.0 (/opt/rustwide/workdir/session2/dashing) [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.0 [INFO] [stderr] Checking clap v4.5.1 [INFO] [stderr] Checking authentication v0.1.0 (/opt/rustwide/workdir/session1/authentication) [INFO] [stderr] Checking login_manager v0.1.0 (/opt/rustwide/workdir/session1/login_manager) [INFO] [stderr] Checking login v0.1.0 (/opt/rustwide/workdir/session1/login) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.24s [INFO] running `Command { std: "docker" "inspect" "c0b046c196f07eebf95541844fee624631041ac8cc1e8527425e7d06d5c2825a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0b046c196f07eebf95541844fee624631041ac8cc1e8527425e7d06d5c2825a", kill_on_drop: false }` [INFO] [stdout] c0b046c196f07eebf95541844fee624631041ac8cc1e8527425e7d06d5c2825a [INFO] checking seb-hernandez/ultimate-rust-foundations-ardan-labs 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%2Fseb-hernandez%2Fultimate-rust-foundations-ardan-labs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs 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/seb-hernandez/ultimate-rust-foundations-ardan-labs [INFO] finished tweaking git repo https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs [INFO] tweaked toml for git repo https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/seb-hernandez/ultimate-rust-foundations-ardan-labs 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ca5ff8730429abf742de693271c6e9fef5453ad07ec97914754a92b56743083b [INFO] running `Command { std: "docker" "start" "-a" "ca5ff8730429abf742de693271c6e9fef5453ad07ec97914754a92b56743083b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca5ff8730429abf742de693271c6e9fef5453ad07ec97914754a92b56743083b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca5ff8730429abf742de693271c6e9fef5453ad07ec97914754a92b56743083b", kill_on_drop: false }` [INFO] [stdout] ca5ff8730429abf742de693271c6e9fef5453ad07ec97914754a92b56743083b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7363cbeb324548cce4be8ecab4a801fa61ba0cfda9cb4e492c24740b3f8eed54 [INFO] running `Command { std: "docker" "start" "-a" "7363cbeb324548cce4be8ecab4a801fa61ba0cfda9cb4e492c24740b3f8eed54", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking rwlock v0.1.0 (/opt/rustwide/workdir/session2/rwlock) [INFO] [stderr] Compiling syn v2.0.50 [INFO] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/session2/mutexes) [INFO] [stderr] Checking ardan v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking deadlocks v0.1.0 (/opt/rustwide/workdir/session2/deadlocks) [INFO] [stderr] Checking divide_work v0.1.0 (/opt/rustwide/workdir/session2/divide_work) [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/session2/threads) [INFO] [stderr] Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/session2/scoped_threads) [INFO] [stderr] Checking atomics v0.1.0 (/opt/rustwide/workdir/session2/atomics) [INFO] [stderr] Checking channels v0.1.0 (/opt/rustwide/workdir/session2/channels) [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] --> session2/divide_work/src/main.rs:21:18 [INFO] [stdout] | [INFO] [stdout] 21 | .map(|h| h.join().unwrap()) [INFO] [stdout] | - ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `divide_work` (bin "divide_work" test) due to 2 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] --> session2/mutexes/src/main.rs:16:38 [INFO] [stdout] | [INFO] [stdout] 16 | handles.into_iter().for_each(|h| h.join().unwrap()); [INFO] [stdout] | - ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: function `hello_thread` is never used [INFO] [stdout] --> session2/threads/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn hello_thread(n: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [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] --> session2/mutexes/src/main.rs:16:38 [INFO] [stdout] | [INFO] [stdout] 16 | handles.into_iter().for_each(|h| h.join().unwrap()); [INFO] [stdout] | - ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mutexes` (bin "mutexes") due to 2 previous errors [INFO] [stderr] error: could not compile `mutexes` (bin "mutexes" test) due to 2 previous errors [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] --> session2/atomics/src/main.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | handles.into_iter().for_each(|h| h.join().unwrap()); [INFO] [stdout] | - ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `atomics` (bin "atomics") due to 2 previous errors [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] --> session2/scoped_threads/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut thread_handles = Vec::new(); [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 17 | / thread_handles [INFO] [stdout] 18 | | .into_iter() [INFO] [stdout] 19 | | .map(|h| h.join().unwrap()) [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] --> session2/scoped_threads/src/main.rs:19:22 [INFO] [stdout] | [INFO] [stdout] 19 | .map(|h| h.join().unwrap()) [INFO] [stdout] | - ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 `scoped_threads` (bin "scoped_threads" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "7363cbeb324548cce4be8ecab4a801fa61ba0cfda9cb4e492c24740b3f8eed54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7363cbeb324548cce4be8ecab4a801fa61ba0cfda9cb4e492c24740b3f8eed54", kill_on_drop: false }` [INFO] [stdout] 7363cbeb324548cce4be8ecab4a801fa61ba0cfda9cb4e492c24740b3f8eed54