[INFO] fetching crate simple_tones 0.1.0... [INFO] testing simple_tones-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate simple_tones 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate simple_tones 0.1.0 [INFO] finished tweaking crates.io crate simple_tones 0.1.0 [INFO] tweaked toml for crates.io crate simple_tones 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate simple_tones 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 115 packages to latest compatible versions [INFO] [stderr] Adding rodio v0.13.1 (available: v0.21.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d80d2aefcf1ba3c45e1341679a8e455d754730c190c16d71e3727e11f72c84df [INFO] running `Command { std: "docker" "start" "-a" "d80d2aefcf1ba3c45e1341679a8e455d754730c190c16d71e3727e11f72c84df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d80d2aefcf1ba3c45e1341679a8e455d754730c190c16d71e3727e11f72c84df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d80d2aefcf1ba3c45e1341679a8e455d754730c190c16d71e3727e11f72c84df", kill_on_drop: false }` [INFO] [stdout] d80d2aefcf1ba3c45e1341679a8e455d754730c190c16d71e3727e11f72c84df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1499029c0c38bf0e26ec25e010ff2ab29ec1e80bba621e34d8ce113d74cbc81a [INFO] running `Command { std: "docker" "start" "-a" "1499029c0c38bf0e26ec25e010ff2ab29ec1e80bba621e34d8ce113d74cbc81a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling cpal v0.13.5 [INFO] [stderr] Compiling ogg v0.8.0 [INFO] [stderr] Compiling claxon v0.4.3 [INFO] [stderr] Compiling hound v3.5.1 [INFO] [stderr] Compiling lewton v0.10.2 [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Compiling nix v0.23.2 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling slice-ring-buffer v0.3.4 [INFO] [stderr] Compiling cc v1.2.39 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Compiling minimp3 v0.5.2 [INFO] [stderr] Compiling alsa v0.6.0 [INFO] [stderr] Compiling rodio v0.13.1 [INFO] [stderr] Compiling simple_tones v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.65s [INFO] running `Command { std: "docker" "inspect" "1499029c0c38bf0e26ec25e010ff2ab29ec1e80bba621e34d8ce113d74cbc81a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1499029c0c38bf0e26ec25e010ff2ab29ec1e80bba621e34d8ce113d74cbc81a", kill_on_drop: false }` [INFO] [stdout] 1499029c0c38bf0e26ec25e010ff2ab29ec1e80bba621e34d8ce113d74cbc81a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0617c6a5d2d0e921493b7681d537b07cca46882f320d3be82c74109b1141a6e7 [INFO] running `Command { std: "docker" "start" "-a" "0617c6a5d2d0e921493b7681d537b07cca46882f320d3be82c74109b1141a6e7", kill_on_drop: false }` [INFO] [stderr] Compiling simple_tones v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "0617c6a5d2d0e921493b7681d537b07cca46882f320d3be82c74109b1141a6e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0617c6a5d2d0e921493b7681d537b07cca46882f320d3be82c74109b1141a6e7", kill_on_drop: false }` [INFO] [stdout] 0617c6a5d2d0e921493b7681d537b07cca46882f320d3be82c74109b1141a6e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8ee72c60891bdcea58cfbdcd5811578a6f53362bb70d822297d462f809e42d7b [INFO] running `Command { std: "docker" "start" "-a" "8ee72c60891bdcea58cfbdcd5811578a6f53362bb70d822297d462f809e42d7b", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_tones-26fa6a9eb13cb547) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests simple_tones [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/notes.rs - notes::NotePitch::frequency (line 74) ... ok [INFO] [stdout] test src/notes.rs - notes::Note::new (line 202) ... ok [INFO] [stdout] test src/lib.rs - Player::new (line 109) ... FAILED [INFO] [stdout] test src/notes.rs - notes::Note::play (line 218) ... FAILED [INFO] [stdout] test src/lib.rs - Player (line 61) ... FAILED [INFO] [stdout] test src/lib.rs - (line 9) ... FAILED [INFO] [stdout] test src/lib.rs - Player::from_bpm (line 127) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Player::new (line 109) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] ALSA lib confmisc.c:855:(parse_card) cannot find card '0' [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:1342:(snd_func_refer) error evaluating name [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory [INFO] [stdout] ALSA lib conf.c:5727:(snd_config_expand) Evaluate error: No such file or directory [INFO] [stdout] ALSA lib pcm.c:2721:(snd_pcm_open_noupdate) Unknown PCM default [INFO] [stdout] [INFO] [stdout] thread 'main' (144) panicked at src/lib.rs:115:75: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: NoDevice [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5ab73d3016b2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ab73d3016b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ab73d3016b2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ab73d3016b2 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ab73d310d4f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5ab73d310d4f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5ab73d2dda91 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5ab73d2dda91 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5ab73d2e3812 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5ab73d2e5a2f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5ab73d2e5889 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5ab73d2e60b5 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5ab73d2e5f4a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5ab73d2e3949 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5ab73d2d246d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5ab73d314680 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5ab73d313c66 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x5ab73d28c425 - core::result::Result::unwrap::hb70c8486c53f05c1 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23 [INFO] [stdout] 18: 0x5ab73d28c425 - simple_tones::Player::new::hb86cf1ac5fea06b3 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:115:75 [INFO] [stdout] 19: 0x5ab73d28c2dd - rust_out::main::_doctest_main_src_lib_rs_109_0::hfc70f5c9ab09b39c [INFO] [stdout] 20: 0x5ab73d28c2b6 - rust_out::main::h909c389308a13d94 [INFO] [stdout] 21: 0x5ab73d28bb63 - core::ops::function::FnOnce::call_once::he80aaf16098e337a [INFO] [stdout] 22: 0x5ab73d28bb06 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68 [INFO] [stdout] 23: 0x5ab73d28bae9 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b [INFO] [stdout] 24: 0x5ab73d2df1b0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 25: 0x5ab73d2df1b0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 26: 0x5ab73d2df1b0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 27: 0x5ab73d2df1b0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x5ab73d2df1b0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x5ab73d2df1b0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x5ab73d2df1b0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x5ab73d2df1b0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x5ab73d2df1b0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x5ab73d28bad1 - std::rt::lang_start::h5d51bffdfd88737a [INFO] [stdout] 34: 0x5ab73d28c305 - main [INFO] [stdout] 35: 0x76dab79791ca - [INFO] [stdout] 36: 0x76dab797928b - __libc_start_main [INFO] [stdout] 37: 0x5ab73d28b9e5 - _start [INFO] [stdout] 38: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/notes.rs - notes::Note::play (line 218) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] ALSA lib confmisc.c:855:(parse_card) cannot find card '0' [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:1342:(snd_func_refer) error evaluating name [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory [INFO] [stdout] ALSA lib conf.c:5727:(snd_config_expand) Evaluate error: No such file or directory [INFO] [stdout] ALSA lib pcm.c:2721:(snd_pcm_open_noupdate) Unknown PCM default [INFO] [stdout] [INFO] [stdout] thread 'main' (148) panicked at src/notes.rs:8:67: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: NoDevice [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x61fb5f44fe52 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x61fb5f44fe52 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x61fb5f44fe52 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x61fb5f44fe52 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x61fb5f45f55f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x61fb5f45f55f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x61fb5f42bcc1 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x61fb5f42bcc1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x61fb5f431a72 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x61fb5f4341cf - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x61fb5f434029 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x61fb5f434855 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x61fb5f4346ea - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x61fb5f431ba9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x61fb5f42069d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x61fb5f462e90 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x61fb5f462476 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x61fb5f3c38e3 - rust_out::main::_doctest_main_src_notes_rs_218_0::hcb26082888170163 [INFO] [stdout] 18: 0x61fb5f3c3856 - rust_out::main::h909c389308a13d94 [INFO] [stdout] 19: 0x61fb5f3c3593 - core::ops::function::FnOnce::call_once::he80aaf16098e337a [INFO] [stdout] 20: 0x61fb5f3c3536 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68 [INFO] [stdout] 21: 0x61fb5f3c3519 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b [INFO] [stdout] 22: 0x61fb5f42d3e0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x61fb5f42d3e0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x61fb5f42d3e0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x61fb5f42d3e0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x61fb5f42d3e0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x61fb5f42d3e0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x61fb5f42d3e0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x61fb5f42d3e0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x61fb5f42d3e0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x61fb5f3c3501 - std::rt::lang_start::h5d51bffdfd88737a [INFO] [stdout] 32: 0x61fb5f3c3aa5 - main [INFO] [stdout] 33: 0x7f1abf9371ca - [INFO] [stdout] 34: 0x7f1abf93728b - __libc_start_main [INFO] [stdout] 35: 0x61fb5f3c33c5 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Player (line 61) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] ALSA lib confmisc.c:855:(parse_card) cannot find card '0' [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:1342:(snd_func_refer) error evaluating name [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory [INFO] [stdout] ALSA lib conf.c:5727:(snd_config_expand) Evaluate error: No such file or directory [INFO] [stdout] ALSA lib pcm.c:2721:(snd_pcm_open_noupdate) Unknown PCM default [INFO] [stdout] [INFO] [stdout] thread 'main' (157) panicked at src/lib.rs:115:75: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: NoDevice [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x57f9cb850512 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x57f9cb850512 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x57f9cb850512 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x57f9cb850512 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x57f9cb85fc1f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x57f9cb85fc1f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x57f9cb82c381 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x57f9cb82c381 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x57f9cb832132 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x57f9cb83488f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x57f9cb8346e9 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x57f9cb834f15 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x57f9cb834daa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x57f9cb832269 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x57f9cb820d5d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x57f9cb863550 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x57f9cb862b36 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x57f9cb7c2b55 - core::result::Result::unwrap::hb70c8486c53f05c1 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23 [INFO] [stdout] 18: 0x57f9cb7c2b55 - simple_tones::Player::new::hb86cf1ac5fea06b3 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:115:75 [INFO] [stdout] 19: 0x57f9cb7c2c55 - simple_tones::Player::from_bpm::ha24ba8999b5fc870 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:133:9 [INFO] [stdout] 20: 0x57f9cb7c24fb - rust_out::main::_doctest_main_src_lib_rs_61_0::hbbaf2822814f8ee4 [INFO] [stdout] 21: 0x57f9cb7c0416 - rust_out::main::h909c389308a13d94 [INFO] [stdout] 22: 0x57f9cb7bf873 - core::ops::function::FnOnce::call_once::he80aaf16098e337a [INFO] [stdout] 23: 0x57f9cb7bf806 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68 [INFO] [stdout] 24: 0x57f9cb7bf7e9 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b [INFO] [stdout] 25: 0x57f9cb82daa0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 26: 0x57f9cb82daa0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x57f9cb82daa0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x57f9cb82daa0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x57f9cb82daa0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stdout] 30: 0x57f9cb82daa0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 31: 0x57f9cb82daa0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 32: 0x57f9cb82daa0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 33: 0x57f9cb82daa0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stdout] 34: 0x57f9cb7bf7d1 - std::rt::lang_start::h5d51bffdfd88737a [INFO] [stdout] 35: 0x57f9cb7c2665 - main [INFO] [stdout] 36: 0x7a107a4f11ca - [INFO] [stdout] 37: 0x7a107a4f128b - __libc_start_main [INFO] [stdout] 38: 0x57f9cb7bf5c5 - _start [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 9) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] ALSA lib confmisc.c:855:(parse_card) cannot find card '0' [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:1342:(snd_func_refer) error evaluating name [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory [INFO] [stdout] ALSA lib conf.c:5727:(snd_config_expand) Evaluate error: No such file or directory [INFO] [stdout] ALSA lib pcm.c:2721:(snd_pcm_open_noupdate) Unknown PCM default [INFO] [stdout] [INFO] [stdout] thread 'main' (158) panicked at src/lib.rs:115:75: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: NoDevice [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5a199fbbf512 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5a199fbbf512 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5a199fbbf512 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5a199fbbf512 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5a199fbcec1f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5a199fbcec1f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5a199fb9b381 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5a199fb9b381 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5a199fba1132 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5a199fba388f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5a199fba36e9 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5a199fba3f15 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5a199fba3daa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5a199fba1269 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5a199fb8fd5d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5a199fbd2550 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5a199fbd1b36 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x5a199fb31b55 - core::result::Result::unwrap::hb70c8486c53f05c1 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23 [INFO] [stdout] 18: 0x5a199fb31b55 - simple_tones::Player::new::hb86cf1ac5fea06b3 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:115:75 [INFO] [stdout] 19: 0x5a199fb31c55 - simple_tones::Player::from_bpm::ha24ba8999b5fc870 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:133:9 [INFO] [stdout] 20: 0x5a199fb314fb - rust_out::main::_doctest_main_src_lib_rs_9_0::hdcfaecfbaed0797c [INFO] [stdout] 21: 0x5a199fb2f416 - rust_out::main::h909c389308a13d94 [INFO] [stdout] 22: 0x5a199fb2e873 - core::ops::function::FnOnce::call_once::he80aaf16098e337a [INFO] [stdout] 23: 0x5a199fb2e806 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68 [INFO] [stdout] 24: 0x5a199fb2e7e9 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b [INFO] [stdout] 25: 0x5a199fb9caa0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 26: 0x5a199fb9caa0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x5a199fb9caa0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x5a199fb9caa0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x5a199fb9caa0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stdout] 30: 0x5a199fb9caa0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 31: 0x5a199fb9caa0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 32: 0x5a199fb9caa0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 33: 0x5a199fb9caa0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stdout] 34: 0x5a199fb2e7d1 - std::rt::lang_start::h5d51bffdfd88737a [INFO] [stdout] 35: 0x5a199fb31665 - main [INFO] [stdout] 36: 0x7adde49531ca - [INFO] [stdout] 37: 0x7adde495328b - __libc_start_main [INFO] [stdout] 38: 0x5a199fb2e5c5 - _start [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Player::from_bpm (line 127) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] ALSA lib confmisc.c:855:(parse_card) cannot find card '0' [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:1342:(snd_func_refer) error evaluating name [INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory [INFO] [stdout] ALSA lib conf.c:5727:(snd_config_expand) Evaluate error: No such file or directory [INFO] [stdout] ALSA lib pcm.c:2721:(snd_pcm_open_noupdate) Unknown PCM default [INFO] [stdout] [INFO] [stdout] thread 'main' (159) panicked at src/lib.rs:115:75: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: NoDevice [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56923590abf2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x56923590abf2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x56923590abf2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x56923590abf2 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x56923591a28f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x56923591a28f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5692358e6fd1 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5692358e6fd1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5692358ecd52 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5692358eef6f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5692358eedc9 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5692358ef5f5 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5692358ef48a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5692358ece89 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5692358db9ad - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x56923591dbc0 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x56923591d1a6 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x569235895025 - core::result::Result::unwrap::hb70c8486c53f05c1 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23 [INFO] [stdout] 18: 0x569235895025 - simple_tones::Player::new::hb86cf1ac5fea06b3 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:115:75 [INFO] [stdout] 19: 0x569235895125 - simple_tones::Player::from_bpm::ha24ba8999b5fc870 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:133:9 [INFO] [stdout] 20: 0x569235894ee2 - rust_out::main::_doctest_main_src_lib_rs_127_0::h2de7000d0e6040bb [INFO] [stdout] 21: 0x569235894ec6 - rust_out::main::h909c389308a13d94 [INFO] [stdout] 22: 0x569235894c53 - core::ops::function::FnOnce::call_once::he80aaf16098e337a [INFO] [stdout] 23: 0x569235894bf6 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68 [INFO] [stdout] 24: 0x569235894bd9 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b [INFO] [stdout] 25: 0x5692358e86f0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 26: 0x5692358e86f0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x5692358e86f0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x5692358e86f0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x5692358e86f0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stdout] 30: 0x5692358e86f0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 31: 0x5692358e86f0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 32: 0x5692358e86f0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 33: 0x5692358e86f0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stdout] 34: 0x569235894bc1 - std::rt::lang_start::h5d51bffdfd88737a [INFO] [stdout] 35: 0x569235894f05 - main [INFO] [stdout] 36: 0x790b521e61ca - [INFO] [stdout] 37: 0x790b521e628b - __libc_start_main [INFO] [stdout] 38: 0x569235894ad5 - _start [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 9) [INFO] [stdout] src/lib.rs - Player (line 61) [INFO] [stdout] src/lib.rs - Player::from_bpm (line 127) [INFO] [stdout] src/lib.rs - Player::new (line 109) [INFO] [stdout] src/notes.rs - notes::Note::play (line 218) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "8ee72c60891bdcea58cfbdcd5811578a6f53362bb70d822297d462f809e42d7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ee72c60891bdcea58cfbdcd5811578a6f53362bb70d822297d462f809e42d7b", kill_on_drop: false }` [INFO] [stdout] 8ee72c60891bdcea58cfbdcd5811578a6f53362bb70d822297d462f809e42d7b