[INFO] cloning repository https://github.com/halbgut/mybar [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/halbgut/mybar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aad6cb3492f7c06207790413967602b51c411d78 [INFO] checking halbgut/mybar against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/halbgut/mybar 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/halbgut/mybar [INFO] finished tweaking git repo https://github.com/halbgut/mybar [INFO] tweaked toml for git repo https://github.com/halbgut/mybar written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/halbgut/mybar 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 libpulse-binding v2.6.0 [INFO] [stderr] Downloaded libpulse-sys v1.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 59ac424db6131c41f304244e4756f67a328296a1148db6cebc686801e382d4d8 [INFO] running `Command { std: "docker" "start" "-a" "59ac424db6131c41f304244e4756f67a328296a1148db6cebc686801e382d4d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59ac424db6131c41f304244e4756f67a328296a1148db6cebc686801e382d4d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59ac424db6131c41f304244e4756f67a328296a1148db6cebc686801e382d4d8", kill_on_drop: false }` [INFO] [stdout] 59ac424db6131c41f304244e4756f67a328296a1148db6cebc686801e382d4d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6a145a8bd233e882c6c269b73acf27600f318f10156575319ee6c0b098f7d2b2 [INFO] running `Command { std: "docker" "start" "-a" "6a145a8bd233e882c6c269b73acf27600f318f10156575319ee6c0b098f7d2b2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling libpulse-sys v1.5.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking libpulse-binding v2.6.0 [INFO] [stderr] Checking chrono v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking mybar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `listen` is never used [INFO] [stdout] --> src/audio.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 68 | impl Pulse { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 166 | fn listen(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/audio.rs:178:5 [INFO] [stdout] | [INFO] [stdout] 176 | struct Sink { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 177 | volume: u8, [INFO] [stdout] 178 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sink` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `free` is never read [INFO] [stdout] --> src/mem.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct MemInfo { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 11 | pub free: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MemInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/i3.rs:60:33 [INFO] [stdout] | [INFO] [stdout] 60 | ... &line_keys.push(item.name.clone()); [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] 60 | let _ = &line_keys.push(item.name.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `listen` is never used [INFO] [stdout] --> src/audio.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 68 | impl Pulse { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 166 | fn listen(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/audio.rs:178:5 [INFO] [stdout] | [INFO] [stdout] 176 | struct Sink { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 177 | volume: u8, [INFO] [stdout] 178 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sink` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `free` is never read [INFO] [stdout] --> src/mem.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct MemInfo { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 11 | pub free: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MemInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/i3.rs:60:33 [INFO] [stdout] | [INFO] [stdout] 60 | ... &line_keys.push(item.name.clone()); [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] 60 | let _ = &line_keys.push(item.name.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.83s [INFO] running `Command { std: "docker" "inspect" "6a145a8bd233e882c6c269b73acf27600f318f10156575319ee6c0b098f7d2b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a145a8bd233e882c6c269b73acf27600f318f10156575319ee6c0b098f7d2b2", kill_on_drop: false }` [INFO] [stdout] 6a145a8bd233e882c6c269b73acf27600f318f10156575319ee6c0b098f7d2b2 [INFO] checking halbgut/mybar 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%2Fhalbgut%2Fmybar" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/halbgut/mybar 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/halbgut/mybar [INFO] finished tweaking git repo https://github.com/halbgut/mybar [INFO] tweaked toml for git repo https://github.com/halbgut/mybar written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/halbgut/mybar 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d89f3cd3199f86b4f36b236308dfd82e93a9b4e646b08cd0555a8090664bfc6b [INFO] running `Command { std: "docker" "start" "-a" "d89f3cd3199f86b4f36b236308dfd82e93a9b4e646b08cd0555a8090664bfc6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d89f3cd3199f86b4f36b236308dfd82e93a9b4e646b08cd0555a8090664bfc6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d89f3cd3199f86b4f36b236308dfd82e93a9b4e646b08cd0555a8090664bfc6b", kill_on_drop: false }` [INFO] [stdout] d89f3cd3199f86b4f36b236308dfd82e93a9b4e646b08cd0555a8090664bfc6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6f5c3a4f5bb53f618e166a6418f4aeff00a6ab778c3188e6319e077d22793b05 [INFO] running `Command { std: "docker" "start" "-a" "6f5c3a4f5bb53f618e166a6418f4aeff00a6ab778c3188e6319e077d22793b05", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling libpulse-sys v1.5.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking libpulse-binding v2.6.0 [INFO] [stderr] Checking chrono v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking mybar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `listen` is never used [INFO] [stdout] --> src/audio.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 68 | impl Pulse { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 166 | fn listen(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/audio.rs:178:5 [INFO] [stdout] | [INFO] [stdout] 176 | struct Sink { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 177 | volume: u8, [INFO] [stdout] 178 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sink` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `free` is never read [INFO] [stdout] --> src/mem.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct MemInfo { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 11 | pub free: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MemInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/i3.rs:45:15 [INFO] [stdout] | [INFO] [stdout] 43 | fn init (&mut self, receiver: mpsc::Receiver) -> Result<(), ()> { [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | let init = I3BarInit { version: "1".to_owned() }; [INFO] [stdout] 45 | match serde_json::to_string(&init) { [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/i3.rs:60:33 [INFO] [stdout] | [INFO] [stdout] 60 | ... &line_keys.push(item.name.clone()); [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] 60 | let _ = &line_keys.push(item.name.clone()); [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/link.rs:141:22 [INFO] [stdout] | [INFO] [stdout] 140 | .map(|dir_entry| [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 141 | dir_entry.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] warning: method `listen` is never used [INFO] [stdout] --> src/audio.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 68 | impl Pulse { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 166 | fn listen(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/audio.rs:178:5 [INFO] [stdout] | [INFO] [stdout] 176 | struct Sink { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 177 | volume: u8, [INFO] [stdout] 178 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sink` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `free` is never read [INFO] [stdout] --> src/mem.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct MemInfo { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 11 | pub free: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MemInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/i3.rs:45:15 [INFO] [stdout] | [INFO] [stdout] 43 | fn init (&mut self, receiver: mpsc::Receiver) -> Result<(), ()> { [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | let init = I3BarInit { version: "1".to_owned() }; [INFO] [stdout] 45 | match serde_json::to_string(&init) { [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/i3.rs:60:33 [INFO] [stdout] | [INFO] [stdout] 60 | ... &line_keys.push(item.name.clone()); [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] 60 | let _ = &line_keys.push(item.name.clone()); [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/link.rs:141:22 [INFO] [stdout] | [INFO] [stdout] 140 | .map(|dir_entry| [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 141 | dir_entry.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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mybar` (bin "mybar") due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mybar` (bin "mybar" test) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6f5c3a4f5bb53f618e166a6418f4aeff00a6ab778c3188e6319e077d22793b05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f5c3a4f5bb53f618e166a6418f4aeff00a6ab778c3188e6319e077d22793b05", kill_on_drop: false }` [INFO] [stdout] 6f5c3a4f5bb53f618e166a6418f4aeff00a6ab778c3188e6319e077d22793b05