[INFO] cloning repository https://github.com/kirjavascript/duplex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirjavascript/duplex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fduplex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fduplex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a2a4849ec0a3779a7051909c6c627c5845d3fd3 [INFO] checking kirjavascript/duplex against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fduplex" "/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/kirjavascript/duplex 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/kirjavascript/duplex [INFO] finished tweaking git repo https://github.com/kirjavascript/duplex [INFO] tweaked toml for git repo https://github.com/kirjavascript/duplex written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kirjavascript/duplex 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 nom v4.1.1 [INFO] [stderr] Downloaded serde_derive v1.0.82 [INFO] [stderr] Downloaded serde v1.0.82 [INFO] [stderr] Downloaded syn v0.15.23 [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] da91b822953cc3d523375aa4463a514b678ca696be28044cf3843a53b9eff35c [INFO] running `Command { std: "docker" "start" "-a" "da91b822953cc3d523375aa4463a514b678ca696be28044cf3843a53b9eff35c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da91b822953cc3d523375aa4463a514b678ca696be28044cf3843a53b9eff35c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da91b822953cc3d523375aa4463a514b678ca696be28044cf3843a53b9eff35c", kill_on_drop: false }` [INFO] [stdout] da91b822953cc3d523375aa4463a514b678ca696be28044cf3843a53b9eff35c [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] a1aeb3443faf183ca4f414002f85c267f9a4b0f1766f54a7a3120e21bf21f675 [INFO] running `Command { std: "docker" "start" "-a" "a1aeb3443faf183ca4f414002f85c267f9a4b0f1766f54a7a3120e21bf21f675", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking nom v4.1.1 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking duplex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/web/interop.rs:136:21 [INFO] [stdout] | [INFO] [stdout] 136 | use std::sync::{ONCE_INIT, Once}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/web/interop.rs:136:21 [INFO] [stdout] | [INFO] [stdout] 136 | use std::sync::{ONCE_INIT, Once}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/web/interop.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = Once::new(); [INFO] [stdout] | ~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/web/interop.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = Once::new(); [INFO] [stdout] | ~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ll_index` is never read [INFO] [stdout] --> src/web/mod.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct Solution { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 201 | #[serde(skip_serializing)] [INFO] [stdout] 202 | ll_index: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/web/interop.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { Box::from_raw(self.0); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { let _ = Box::from_raw(self.0); } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/enumerate.rs:233:5 [INFO] [stdout] | [INFO] [stdout] 233 | / std::mem::replace(sticker, match sticker { [INFO] [stdout] 234 | | U => U, [INFO] [stdout] 235 | | B => R, [INFO] [stdout] 236 | | R => F, [INFO] [stdout] ... | [INFO] [stdout] 240 | | D => D, [INFO] [stdout] 241 | | }); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 233 | let _ = std::mem::replace(sticker, match sticker { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ll_index` is never read [INFO] [stdout] --> src/web/mod.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct Solution { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 201 | #[serde(skip_serializing)] [INFO] [stdout] 202 | ll_index: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/web/interop.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { Box::from_raw(self.0); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { let _ = Box::from_raw(self.0); } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/enumerate.rs:233:5 [INFO] [stdout] | [INFO] [stdout] 233 | / std::mem::replace(sticker, match sticker { [INFO] [stdout] 234 | | U => U, [INFO] [stdout] 235 | | B => R, [INFO] [stdout] 236 | | R => F, [INFO] [stdout] ... | [INFO] [stdout] 240 | | D => D, [INFO] [stdout] 241 | | }); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 233 | let _ = std::mem::replace(sticker, match sticker { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.1.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "a1aeb3443faf183ca4f414002f85c267f9a4b0f1766f54a7a3120e21bf21f675", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1aeb3443faf183ca4f414002f85c267f9a4b0f1766f54a7a3120e21bf21f675", kill_on_drop: false }` [INFO] [stdout] a1aeb3443faf183ca4f414002f85c267f9a4b0f1766f54a7a3120e21bf21f675 [INFO] checking kirjavascript/duplex 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%2Fkirjavascript%2Fduplex" "/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/kirjavascript/duplex 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/kirjavascript/duplex [INFO] finished tweaking git repo https://github.com/kirjavascript/duplex [INFO] tweaked toml for git repo https://github.com/kirjavascript/duplex written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kirjavascript/duplex 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] 5f11f093eb0f1f4a0d879ad3eea99b2dace797288eda442f596f3502e905606b [INFO] running `Command { std: "docker" "start" "-a" "5f11f093eb0f1f4a0d879ad3eea99b2dace797288eda442f596f3502e905606b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f11f093eb0f1f4a0d879ad3eea99b2dace797288eda442f596f3502e905606b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f11f093eb0f1f4a0d879ad3eea99b2dace797288eda442f596f3502e905606b", kill_on_drop: false }` [INFO] [stdout] 5f11f093eb0f1f4a0d879ad3eea99b2dace797288eda442f596f3502e905606b [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] 7f207793371a0570d72944f8c3020ecfc8671f021c717cc476b6497f5fc7b365 [INFO] running `Command { std: "docker" "start" "-a" "7f207793371a0570d72944f8c3020ecfc8671f021c717cc476b6497f5fc7b365", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking nom v4.1.1 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking duplex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/web/interop.rs:136:21 [INFO] [stdout] | [INFO] [stdout] 136 | use std::sync::{ONCE_INIT, Once}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/web/interop.rs:136:21 [INFO] [stdout] | [INFO] [stdout] 136 | use std::sync::{ONCE_INIT, Once}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/web/interop.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = Once::new(); [INFO] [stdout] | ~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/web/interop.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = Once::new(); [INFO] [stdout] | ~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ll_index` is never read [INFO] [stdout] --> src/web/mod.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct Solution { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 201 | #[serde(skip_serializing)] [INFO] [stdout] 202 | ll_index: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/web/interop.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { Box::from_raw(self.0); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { let _ = Box::from_raw(self.0); } [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/cube.rs:450:39 [INFO] [stdout] | [INFO] [stdout] 450 | #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)] [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [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/cube.rs:467:52 [INFO] [stdout] | [INFO] [stdout] 467 | #[derive(PartialEq, Clone, Copy, Debug, Serialize, Deserialize)] [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: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ll_index` is never read [INFO] [stdout] --> src/web/mod.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct Solution { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 201 | #[serde(skip_serializing)] [INFO] [stdout] 202 | ll_index: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/alg.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Clone, Serialize, Deserialize)] [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: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/enumerate.rs:233:5 [INFO] [stdout] | [INFO] [stdout] 233 | / std::mem::replace(sticker, match sticker { [INFO] [stdout] 234 | | U => U, [INFO] [stdout] 235 | | B => R, [INFO] [stdout] 236 | | R => F, [INFO] [stdout] ... | [INFO] [stdout] 240 | | D => D, [INFO] [stdout] 241 | | }); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 233 | let _ = std::mem::replace(sticker, match sticker { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/web/interop.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { Box::from_raw(self.0); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { let _ = Box::from_raw(self.0); } [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/cube.rs:450:39 [INFO] [stdout] | [INFO] [stdout] 450 | #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)] [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [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/cube.rs:467:52 [INFO] [stdout] | [INFO] [stdout] 467 | #[derive(PartialEq, Clone, Copy, Debug, Serialize, Deserialize)] [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: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [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/alg.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Clone, Serialize, Deserialize)] [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: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/enumerate.rs:233:5 [INFO] [stdout] | [INFO] [stdout] 233 | / std::mem::replace(sticker, match sticker { [INFO] [stdout] 234 | | U => U, [INFO] [stdout] 235 | | B => R, [INFO] [stdout] 236 | | R => F, [INFO] [stdout] ... | [INFO] [stdout] 240 | | D => D, [INFO] [stdout] 241 | | }); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 233 | let _ = std::mem::replace(sticker, match sticker { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `duplex` (bin "duplex" test) due to 4 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `duplex` (bin "duplex") due to 4 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7f207793371a0570d72944f8c3020ecfc8671f021c717cc476b6497f5fc7b365", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f207793371a0570d72944f8c3020ecfc8671f021c717cc476b6497f5fc7b365", kill_on_drop: false }` [INFO] [stdout] 7f207793371a0570d72944f8c3020ecfc8671f021c717cc476b6497f5fc7b365