[INFO] cloning repository https://github.com/kirinokirino/sampler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirinokirino/sampler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirinokirino%2Fsampler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirinokirino%2Fsampler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76dfc654a89790f712a951a166cb854d81976255 [INFO] checking kirinokirino/sampler against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirinokirino%2Fsampler" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirinokirino/sampler 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/kirinokirino/sampler [INFO] finished tweaking git repo https://github.com/kirinokirino/sampler [INFO] tweaked toml for git repo https://github.com/kirinokirino/sampler written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kirinokirino/sampler 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] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/kirinokirino/quad-snd` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lewton v0.9.4 [INFO] [stderr] Downloaded dasp_frame v0.11.0 [INFO] [stderr] Downloaded midir v0.9.0 [INFO] [stderr] Downloaded audir-sles v0.1.0 [INFO] [stderr] Downloaded coremidi-sys v3.1.0 [INFO] [stderr] Downloaded ogg v0.7.1 [INFO] [stderr] Downloaded smallvec v0.6.14 [INFO] [stderr] Downloaded coremidi v0.6.0 [INFO] [stderr] Downloaded once_cell v1.17.0 [INFO] [stderr] Downloaded hound v3.5.0 [INFO] [stderr] Downloaded alsa v0.7.0 [INFO] [stderr] Downloaded audrey v0.3.0 [INFO] [stderr] Downloaded windows v0.43.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4206249135e42279ab576fa65906e1c2fc1393d5ae8e1c908c1ce4051a684c22 [INFO] running `Command { std: "docker" "start" "-a" "4206249135e42279ab576fa65906e1c2fc1393d5ae8e1c908c1ce4051a684c22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4206249135e42279ab576fa65906e1c2fc1393d5ae8e1c908c1ce4051a684c22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4206249135e42279ab576fa65906e1c2fc1393d5ae8e1c908c1ce4051a684c22", kill_on_drop: false }` [INFO] [stdout] 4206249135e42279ab576fa65906e1c2fc1393d5ae8e1c908c1ce4051a684c22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8099b4a7ca5657f47a21d18ea92a6e24cd7036a8049ec3c88526e499e0ee8883 [INFO] running `Command { std: "docker" "start" "-a" "8099b4a7ca5657f47a21d18ea92a6e24cd7036a8049ec3c88526e499e0ee8883", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking ogg v0.7.1 [INFO] [stderr] Checking dasp_sample v0.11.0 [INFO] [stderr] Checking hound v3.5.0 [INFO] [stderr] Compiling quad-snd v0.2.7 (https://github.com/kirinokirino/quad-snd#6dbbb7c9) [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking dasp_frame v0.11.0 [INFO] [stderr] Checking lewton v0.9.4 [INFO] [stderr] Checking audrey v0.3.0 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking alsa v0.7.0 [INFO] [stderr] Checking midir v0.9.0 [INFO] [stderr] Checking sampler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `loops` is never read [INFO] [stdout] --> src/sampler.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Sampler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | loops: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `loops` is never read [INFO] [stdout] --> src/sampler.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Sampler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | loops: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:25 [INFO] [stdout] | [INFO] [stdout] 56 | sender.send(note); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 56 | let _ = sender.send(note); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:25 [INFO] [stdout] | [INFO] [stdout] 56 | sender.send(note); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 56 | let _ = sender.send(note); [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 1.55s [INFO] running `Command { std: "docker" "inspect" "8099b4a7ca5657f47a21d18ea92a6e24cd7036a8049ec3c88526e499e0ee8883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8099b4a7ca5657f47a21d18ea92a6e24cd7036a8049ec3c88526e499e0ee8883", kill_on_drop: false }` [INFO] [stdout] 8099b4a7ca5657f47a21d18ea92a6e24cd7036a8049ec3c88526e499e0ee8883 [INFO] checking kirinokirino/sampler 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%2Fkirinokirino%2Fsampler" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirinokirino/sampler 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/kirinokirino/sampler [INFO] finished tweaking git repo https://github.com/kirinokirino/sampler [INFO] tweaked toml for git repo https://github.com/kirinokirino/sampler written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kirinokirino/sampler 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ff80bc6a68c5290c81405c7ce7d7183fd32903d5b105a8d9679f7817af745bb9 [INFO] running `Command { std: "docker" "start" "-a" "ff80bc6a68c5290c81405c7ce7d7183fd32903d5b105a8d9679f7817af745bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff80bc6a68c5290c81405c7ce7d7183fd32903d5b105a8d9679f7817af745bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff80bc6a68c5290c81405c7ce7d7183fd32903d5b105a8d9679f7817af745bb9", kill_on_drop: false }` [INFO] [stdout] ff80bc6a68c5290c81405c7ce7d7183fd32903d5b105a8d9679f7817af745bb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9215d6428086ccc6a3b9ebe307a89cc1520e96ca607a071835e5b71b88c55a01 [INFO] running `Command { std: "docker" "start" "-a" "9215d6428086ccc6a3b9ebe307a89cc1520e96ca607a071835e5b71b88c55a01", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking dasp_sample v0.11.0 [INFO] [stderr] Compiling quad-snd v0.2.7 (https://github.com/kirinokirino/quad-snd#6dbbb7c9) [INFO] [stderr] Checking ogg v0.7.1 [INFO] [stderr] Checking hound v3.5.0 [INFO] [stderr] Checking dasp_frame v0.11.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking lewton v0.9.4 [INFO] [stderr] Checking audrey v0.3.0 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking alsa v0.7.0 [INFO] [stderr] Checking midir v0.9.0 [INFO] [stderr] Checking sampler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `loops` is never read [INFO] [stdout] --> src/sampler.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Sampler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | loops: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [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/main.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 13 | let (tx, rx) = 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] 14 | let mut sampler = Sampler::new(rx); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 21 | match run_midi(Some(tx)) { [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: field `loops` is never read [INFO] [stdout] --> src/sampler.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Sampler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | loops: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [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/main.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 13 | let (tx, rx) = 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] 14 | let mut sampler = Sampler::new(rx); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 21 | match run_midi(Some(tx)) { [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:56:25 [INFO] [stdout] | [INFO] [stdout] 56 | sender.send(note); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 56 | let _ = sender.send(note); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:25 [INFO] [stdout] | [INFO] [stdout] 56 | sender.send(note); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 56 | let _ = sender.send(note); [INFO] [stdout] | +++++++ [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 `sampler` (bin "sampler") 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 `sampler` (bin "sampler" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9215d6428086ccc6a3b9ebe307a89cc1520e96ca607a071835e5b71b88c55a01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9215d6428086ccc6a3b9ebe307a89cc1520e96ca607a071835e5b71b88c55a01", kill_on_drop: false }` [INFO] [stdout] 9215d6428086ccc6a3b9ebe307a89cc1520e96ca607a071835e5b71b88c55a01