[INFO] cloning repository https://github.com/LOKESH-999/mpsc-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LOKESH-999/mpsc-channels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLOKESH-999%2Fmpsc-channels", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLOKESH-999%2Fmpsc-channels'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9751b9d50573bb820f5c2a975c990cfa94c2ae22 [INFO] checking LOKESH-999/mpsc-channels/9751b9d50573bb820f5c2a975c990cfa94c2ae22 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLOKESH-999%2Fmpsc-channels" "/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/LOKESH-999/mpsc-channels on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LOKESH-999/mpsc-channels [INFO] finished tweaking git repo https://github.com/LOKESH-999/mpsc-channels [INFO] tweaked toml for git repo https://github.com/LOKESH-999/mpsc-channels written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LOKESH-999/mpsc-channels 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d008f009ab3e7f2e3242d83887e1b4b4266eaec1594ed73f719f263dd8708cd4 [INFO] running `Command { std: "docker" "start" "-a" "d008f009ab3e7f2e3242d83887e1b4b4266eaec1594ed73f719f263dd8708cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d008f009ab3e7f2e3242d83887e1b4b4266eaec1594ed73f719f263dd8708cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d008f009ab3e7f2e3242d83887e1b4b4266eaec1594ed73f719f263dd8708cd4", kill_on_drop: false }` [INFO] [stdout] d008f009ab3e7f2e3242d83887e1b4b4266eaec1594ed73f719f263dd8708cd4 [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1c0ca1f2663eeda7a8f6c1aa61409e6655fd422008d575b69e28a02132ba8b4 [INFO] running `Command { std: "docker" "start" "-a" "f1c0ca1f2663eeda7a8f6c1aa61409e6655fd422008d575b69e28a02132ba8b4", kill_on_drop: false }` [INFO] [stderr] Checking channels v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `mpsc` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{mpsc}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/channel.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mpsc` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{mpsc}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/channel.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Base{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 8 | data:VecDeque, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Channel` is never constructed [INFO] [stdout] --> src/channel.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Channel; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/channel.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Channel{ [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 26 | pub fn new()->(Sender,Reciver){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clone` is never used [INFO] [stdout] --> src/channel.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Sender{ [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 60 | pub fn clone(&self)->Self{ [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/channel.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | (Sender{ptr:NonNull::new(ptr).unwrap()},Reciver{ptr:NonNull::new(ptr).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] --> src/channel.rs:39:49 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | (Sender{ptr:NonNull::new(ptr).unwrap()},Reciver{ptr:NonNull::new(ptr).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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/channel.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `channels` (bin "channels" test) due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/channel.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Base{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 8 | data:VecDeque, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Channel` is never constructed [INFO] [stdout] --> src/channel.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Channel; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/channel.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Channel{ [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 26 | pub fn new()->(Sender,Reciver){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clone` is never used [INFO] [stdout] --> src/channel.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Sender{ [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 60 | pub fn clone(&self)->Self{ [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/channel.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | (Sender{ptr:NonNull::new(ptr).unwrap()},Reciver{ptr:NonNull::new(ptr).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] --> src/channel.rs:39:49 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | (Sender{ptr:NonNull::new(ptr).unwrap()},Reciver{ptr:NonNull::new(ptr).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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `channels` (bin "channels") due to 3 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f1c0ca1f2663eeda7a8f6c1aa61409e6655fd422008d575b69e28a02132ba8b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1c0ca1f2663eeda7a8f6c1aa61409e6655fd422008d575b69e28a02132ba8b4", kill_on_drop: false }` [INFO] [stdout] f1c0ca1f2663eeda7a8f6c1aa61409e6655fd422008d575b69e28a02132ba8b4