[INFO] cloning repository https://github.com/nilum/ekho [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilum/ekho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilum%2Fekho", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilum%2Fekho'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a364b7724c333c09208a0dbf97442674c4b542cc [INFO] checking nilum/ekho against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilum%2Fekho" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nilum/ekho on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nilum/ekho [INFO] finished tweaking git repo https://github.com/nilum/ekho [INFO] tweaked toml for git repo https://github.com/nilum/ekho written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nilum/ekho already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 07766385e07538e5cbb86ce9d74dc8f82f1dce26f24ef2d8c5ce6091609c66ab [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "07766385e07538e5cbb86ce9d74dc8f82f1dce26f24ef2d8c5ce6091609c66ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07766385e07538e5cbb86ce9d74dc8f82f1dce26f24ef2d8c5ce6091609c66ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07766385e07538e5cbb86ce9d74dc8f82f1dce26f24ef2d8c5ce6091609c66ab", kill_on_drop: false }` [INFO] [stdout] 07766385e07538e5cbb86ce9d74dc8f82f1dce26f24ef2d8c5ce6091609c66ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cef5098ff5df7206ada05c36fe24e94e1cbaee7979986fdb470faf32426bb059 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cef5098ff5df7206ada05c36fe24e94e1cbaee7979986fdb470faf32426bb059", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling pin-project-internal v0.4.21 [INFO] [stderr] Checking sample v0.11.0 [INFO] [stderr] Checking serde_json v1.0.55 [INFO] [stderr] Checking alsa-sys v0.1.2 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling thiserror-impl v1.0.19 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking thiserror v1.0.19 [INFO] [stderr] Checking cpal v0.11.0 [INFO] [stderr] Checking pin-project v0.4.21 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking h2 v0.2.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking tokio-tungstenite v0.10.1 [INFO] [stderr] Checking hyper v0.13.6 [INFO] [stderr] Checking warp v0.2.3 [INFO] [stderr] Checking ekho v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::sync::mpsc::channel` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToFrameSliceMut` [INFO] [stdout] --> src/main.rs:10:45 [INFO] [stdout] | [INFO] [stdout] 10 | use sample::{signal, Frame, Sample, Signal, ToFrameSliceMut}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::channel` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToFrameSliceMut` [INFO] [stdout] --> src/main.rs:10:45 [INFO] [stdout] | [INFO] [stdout] 10 | use sample::{signal, Frame, Sample, Signal, ToFrameSliceMut}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Frame` [INFO] [stdout] --> src/main.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | use sample::{signal, Frame, Sample, Signal, ToFrameSliceMut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next_value` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let mut next_value = move |freq: f32| { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let mut next_value = move |freq: f32| { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FRAMES_PER_BUFFER` [INFO] [stdout] --> src/main.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const FRAMES_PER_BUFFER: u32 = 512; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `NUM_CHANNELS` [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const NUM_CHANNELS: i32 = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Frame` [INFO] [stdout] --> src/main.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | use sample::{signal, Frame, Sample, Signal, ToFrameSliceMut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next_value` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let mut next_value = move |freq: f32| { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let mut next_value = move |freq: f32| { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FRAMES_PER_BUFFER` [INFO] [stdout] --> src/main.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const FRAMES_PER_BUFFER: u32 = 512; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `NUM_CHANNELS` [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const NUM_CHANNELS: i32 = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.09s [INFO] running `Command { std: "docker" "inspect" "cef5098ff5df7206ada05c36fe24e94e1cbaee7979986fdb470faf32426bb059", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cef5098ff5df7206ada05c36fe24e94e1cbaee7979986fdb470faf32426bb059", kill_on_drop: false }` [INFO] [stdout] cef5098ff5df7206ada05c36fe24e94e1cbaee7979986fdb470faf32426bb059