[INFO] cloning repository https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashwanthKothakota9%2FRust_Fundamentals_Threads", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashwanthKothakota9%2FRust_Fundamentals_Threads'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f401c83cd84bb049e0d801d1e472b93fe56551c [INFO] checking YashwanthKothakota9/Rust_Fundamentals_Threads against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashwanthKothakota9%2FRust_Fundamentals_Threads" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads 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/YashwanthKothakota9/Rust_Fundamentals_Threads [INFO] finished tweaking git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads [INFO] tweaked toml for git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e56f7e094e2bf4528f0f7114f38c15f24d43c1565095eaca518e46293164c16f [INFO] running `Command { std: "docker" "start" "-a" "e56f7e094e2bf4528f0f7114f38c15f24d43c1565095eaca518e46293164c16f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e56f7e094e2bf4528f0f7114f38c15f24d43c1565095eaca518e46293164c16f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e56f7e094e2bf4528f0f7114f38c15f24d43c1565095eaca518e46293164c16f", kill_on_drop: false }` [INFO] [stdout] e56f7e094e2bf4528f0f7114f38c15f24d43c1565095eaca518e46293164c16f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 127e11814941732f0c12e9eba51e315cb44df50a229ce9f328e78fd8dcf84159 [INFO] running `Command { std: "docker" "start" "-a" "127e11814941732f0c12e9eba51e315cb44df50a229ce9f328e78fd8dcf84159", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking read_write v0.1.0 (/opt/rustwide/workdir/read_write) [INFO] [stderr] Checking DivideWork v0.1.0 (/opt/rustwide/workdir/DivideWork) [INFO] [stderr] Checking atomic_counter_timed v0.1.0 (/opt/rustwide/workdir/atomic_counter_timed) [INFO] [stderr] Checking mpsc_channel v0.1.0 (/opt/rustwide/workdir/mpsc_channel) [INFO] [stderr] Checking sending_func v0.1.0 (/opt/rustwide/workdir/sending_func) [INFO] [stderr] Checking atomic_counter v0.1.0 (/opt/rustwide/workdir/atomic_counter) [INFO] [stderr] Checking Liveweek2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking thread_builder v0.1.0 (/opt/rustwide/workdir/thread_builder) [INFO] [stderr] Checking FirstThread v0.1.0 (/opt/rustwide/workdir/FirstThread) [INFO] [stderr] Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/scoped_threads) [INFO] [stderr] Checking sending_functions v0.1.0 (/opt/rustwide/workdir/sending_functions) [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> FirstThread/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] Compiling lock_api v0.4.12 [INFO] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/mutexes) [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> FirstThread/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 crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking dashmap v6.0.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking lockfree_map v0.1.0 (/opt/rustwide/workdir/lockfree_map) [INFO] [stderr] Checking rayon_scopes v0.1.0 (/opt/rustwide/workdir/rayon_scopes) [INFO] [stderr] Checking rayon_example v0.1.0 (/opt/rustwide/workdir/rayon_example) [INFO] [stdout] warning: function `nested_pools` is never used [INFO] [stdout] --> rayon_scopes/src/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn nested_pools() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rayon_broadcast` is never used [INFO] [stdout] --> rayon_scopes/src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn rayon_broadcast() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `nested_pools` is never used [INFO] [stdout] --> rayon_scopes/src/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn nested_pools() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rayon_broadcast` is never used [INFO] [stdout] --> rayon_scopes/src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn rayon_broadcast() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.02s [INFO] running `Command { std: "docker" "inspect" "127e11814941732f0c12e9eba51e315cb44df50a229ce9f328e78fd8dcf84159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "127e11814941732f0c12e9eba51e315cb44df50a229ce9f328e78fd8dcf84159", kill_on_drop: false }` [INFO] [stdout] 127e11814941732f0c12e9eba51e315cb44df50a229ce9f328e78fd8dcf84159 [INFO] checking YashwanthKothakota9/Rust_Fundamentals_Threads 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%2FYashwanthKothakota9%2FRust_Fundamentals_Threads" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads 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/YashwanthKothakota9/Rust_Fundamentals_Threads [INFO] finished tweaking git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads [INFO] tweaked toml for git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f352a1ffbc8536240f2ada3c1bc304d10e6087c1cc899fde32191aa4a372da0a [INFO] running `Command { std: "docker" "start" "-a" "f352a1ffbc8536240f2ada3c1bc304d10e6087c1cc899fde32191aa4a372da0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f352a1ffbc8536240f2ada3c1bc304d10e6087c1cc899fde32191aa4a372da0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f352a1ffbc8536240f2ada3c1bc304d10e6087c1cc899fde32191aa4a372da0a", kill_on_drop: false }` [INFO] [stdout] f352a1ffbc8536240f2ada3c1bc304d10e6087c1cc899fde32191aa4a372da0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d9f674302e0aa90c6c9f55a6543fdd8cdae5a8d1226ffc263f2469cae30b8b76 [INFO] running `Command { std: "docker" "start" "-a" "d9f674302e0aa90c6c9f55a6543fdd8cdae5a8d1226ffc263f2469cae30b8b76", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking read_write v0.1.0 (/opt/rustwide/workdir/read_write) [INFO] [stderr] Checking DivideWork v0.1.0 (/opt/rustwide/workdir/DivideWork) [INFO] [stderr] Checking sending_functions v0.1.0 (/opt/rustwide/workdir/sending_functions) [INFO] [stderr] Checking atomic_counter v0.1.0 (/opt/rustwide/workdir/atomic_counter) [INFO] [stderr] Checking thread_builder v0.1.0 (/opt/rustwide/workdir/thread_builder) [INFO] [stderr] Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/scoped_threads) [INFO] [stderr] Checking Liveweek2 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] --> atomic_counter/src/main.rs:15:38 [INFO] [stdout] | [INFO] [stdout] 15 | 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 `atomic_counter` (bin "atomic_counter") 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] --> scoped_threads/src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 8 | 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] 19 | / thread_handles [INFO] [stdout] 20 | | .into_iter() [INFO] [stdout] 21 | | .map(|handle| handle.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] --> scoped_threads/src/main.rs:21:27 [INFO] [stdout] | [INFO] [stdout] 21 | .map(|handle| handle.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") due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "d9f674302e0aa90c6c9f55a6543fdd8cdae5a8d1226ffc263f2469cae30b8b76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9f674302e0aa90c6c9f55a6543fdd8cdae5a8d1226ffc263f2469cae30b8b76", kill_on_drop: false }` [INFO] [stdout] d9f674302e0aa90c6c9f55a6543fdd8cdae5a8d1226ffc263f2469cae30b8b76