[INFO] cloning repository https://github.com/raviehasan/advprog-modul6 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raviehasan/advprog-modul6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviehasan%2Fadvprog-modul6", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviehasan%2Fadvprog-modul6'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75eddd5be3c4a6dbb840a20af8b0fe03b8f80934 [INFO] checking raviehasan/advprog-modul6 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviehasan%2Fadvprog-modul6" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raviehasan/advprog-modul6 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/raviehasan/advprog-modul6 [INFO] finished tweaking git repo https://github.com/raviehasan/advprog-modul6 [INFO] tweaked toml for git repo https://github.com/raviehasan/advprog-modul6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/raviehasan/advprog-modul6 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 785fc2a8ecbf18d555cf5f0a5199da339bf4ed681e0f6c0dd13edbab02bf410a [INFO] running `Command { std: "docker" "start" "-a" "785fc2a8ecbf18d555cf5f0a5199da339bf4ed681e0f6c0dd13edbab02bf410a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "785fc2a8ecbf18d555cf5f0a5199da339bf4ed681e0f6c0dd13edbab02bf410a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "785fc2a8ecbf18d555cf5f0a5199da339bf4ed681e0f6c0dd13edbab02bf410a", kill_on_drop: false }` [INFO] [stdout] 785fc2a8ecbf18d555cf5f0a5199da339bf4ed681e0f6c0dd13edbab02bf410a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 460517e2f94ce26b82911abd34ada71742277a58646ab49c1f52328be4e8e8fc [INFO] running `Command { std: "docker" "start" "-a" "460517e2f94ce26b82911abd34ada71742277a58646ab49c1f52328be4e8e8fc", kill_on_drop: false }` [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 7 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 7 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 42 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 43 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 42 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 43 | thread: thread::JoinHandle<()>, [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 0.07s [INFO] running `Command { std: "docker" "inspect" "460517e2f94ce26b82911abd34ada71742277a58646ab49c1f52328be4e8e8fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "460517e2f94ce26b82911abd34ada71742277a58646ab49c1f52328be4e8e8fc", kill_on_drop: false }` [INFO] [stdout] 460517e2f94ce26b82911abd34ada71742277a58646ab49c1f52328be4e8e8fc [INFO] checking raviehasan/advprog-modul6 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%2Fraviehasan%2Fadvprog-modul6" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raviehasan/advprog-modul6 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/raviehasan/advprog-modul6 [INFO] finished tweaking git repo https://github.com/raviehasan/advprog-modul6 [INFO] tweaked toml for git repo https://github.com/raviehasan/advprog-modul6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/raviehasan/advprog-modul6 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ac63c38aeb54fd6ac23c75a791c91c64cbc0ec0f61b227ac8af62dd679a2dbc [INFO] running `Command { std: "docker" "start" "-a" "1ac63c38aeb54fd6ac23c75a791c91c64cbc0ec0f61b227ac8af62dd679a2dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ac63c38aeb54fd6ac23c75a791c91c64cbc0ec0f61b227ac8af62dd679a2dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ac63c38aeb54fd6ac23c75a791c91c64cbc0ec0f61b227ac8af62dd679a2dbc", kill_on_drop: false }` [INFO] [stdout] 1ac63c38aeb54fd6ac23c75a791c91c64cbc0ec0f61b227ac8af62dd679a2dbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 768cd606982b84ac5ed97ff34fa7a559b124b26d4f32444cc9c7c1bfa9b0014d [INFO] running `Command { std: "docker" "start" "-a" "768cd606982b84ac5ed97ff34fa7a559b124b26d4f32444cc9c7c1bfa9b0014d", kill_on_drop: false }` [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 7 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 42 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 43 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 7 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 42 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 43 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [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:28:12 [INFO] [stdout] | [INFO] [stdout] 19 | let (sender, receiver) = mpsc::channel(); [INFO] [stdout] | ------ -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | [INFO] [stdout] 21 | let receiver = Arc::new(Mutex::new(receiver)); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | [INFO] [stdout] 23 | let mut workers = Vec::with_capacity(size); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 28 | Ok(ThreadPool { workers, sender }) [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] --> src/lib.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 19 | let (sender, receiver) = mpsc::channel(); [INFO] [stdout] | ------ -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | [INFO] [stdout] 21 | let receiver = Arc::new(Mutex::new(receiver)); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | [INFO] [stdout] 23 | let mut workers = Vec::with_capacity(size); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 28 | Ok(ThreadPool { workers, sender }) [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: aborting due to 1 previous error; 2 warnings emitted [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 `hello` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `hello` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "768cd606982b84ac5ed97ff34fa7a559b124b26d4f32444cc9c7c1bfa9b0014d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "768cd606982b84ac5ed97ff34fa7a559b124b26d4f32444cc9c7c1bfa9b0014d", kill_on_drop: false }` [INFO] [stdout] 768cd606982b84ac5ed97ff34fa7a559b124b26d4f32444cc9c7c1bfa9b0014d