[INFO] updating cached repository https://github.com/cmaves/VisualSpectrum [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 74c4c9d7e7e309f361af42b396498b190eaf8b45 [INFO] checking cmaves/VisualSpectrum against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2FVisualSpectrum" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cmaves/VisualSpectrum on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cmaves/VisualSpectrum [INFO] finished tweaking git repo https://github.com/cmaves/VisualSpectrum [INFO] tweaked toml for git repo https://github.com/cmaves/VisualSpectrum written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/cmaves/VisualSpectrum already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a1a15f9d01ca59e93773ff39ca7911a55fc997fad03d75dd986083f7fdfe5f80 [INFO] running `"docker" "start" "-a" "a1a15f9d01ca59e93773ff39ca7911a55fc997fad03d75dd986083f7fdfe5f80"` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling bindgen v0.37.4 [INFO] [stderr] Checking transpose v0.1.0 [INFO] [stderr] Checking strength_reduce v0.2.2 [INFO] [stderr] Compiling clang-sys v0.23.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking libloading v0.4.3 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking rustfft v3.0.0 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Checking jack-sys v0.2.0 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Checking jack v0.6.2 [INFO] [stderr] Compiling cexpr v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling rs_ws281x v0.2.3 [INFO] [stderr] Checking spectrum v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: field is never read: `sample_size` [INFO] [stderr] --> src/lib.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | sample_size: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `source` [INFO] [stderr] --> src/lib.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | source: ActiveSource [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:302:17 [INFO] [stderr] | [INFO] [stderr] 302 | self.controller.render(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sample_size` [INFO] [stderr] --> src/lib.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | sample_size: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `source` [INFO] [stderr] --> src/lib.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | source: ActiveSource [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:302:17 [INFO] [stderr] | [INFO] [stderr] 302 | self.controller.render(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `"docker" "inspect" "a1a15f9d01ca59e93773ff39ca7911a55fc997fad03d75dd986083f7fdfe5f80"` [INFO] running `"docker" "rm" "-f" "a1a15f9d01ca59e93773ff39ca7911a55fc997fad03d75dd986083f7fdfe5f80"` [INFO] [stdout] a1a15f9d01ca59e93773ff39ca7911a55fc997fad03d75dd986083f7fdfe5f80