[INFO] crate twang 0.2.0 is already in cache [INFO] testing twang-0.2.0 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate twang 0.2.0 into work/builds/worker-8/source [INFO] validating manifest of crates.io crate twang 0.2.0 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate twang 0.2.0 [INFO] finished tweaking crates.io crate twang 0.2.0 [INFO] tweaked toml for crates.io crate twang 0.2.0 written to work/builds/worker-8/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] cb6424f90b942cc8060340bb1a668042414079b2f65724b93b4d54158460d90d [INFO] running `"docker" "start" "-a" "cb6424f90b942cc8060340bb1a668042414079b2f65724b93b4d54158460d90d"` [INFO] [stderr] Compiling twang v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `core::num::::wrapping_add` that must be used [INFO] [stderr] --> src/pink.rs:278:5 [INFO] [stderr] | [INFO] [stderr] 278 | self.pncnt.wrapping_add(1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this returns the result of the operation, without modifying the original [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `"docker" "inspect" "cb6424f90b942cc8060340bb1a668042414079b2f65724b93b4d54158460d90d"` [INFO] running `"docker" "rm" "-f" "cb6424f90b942cc8060340bb1a668042414079b2f65724b93b4d54158460d90d"` [INFO] [stdout] cb6424f90b942cc8060340bb1a668042414079b2f65724b93b4d54158460d90d [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 9479148a97c678d4580ffa1cc41f79b8057e9fe34156d7690adc72d2922e34b7 [INFO] running `"docker" "start" "-a" "9479148a97c678d4580ffa1cc41f79b8057e9fe34156d7690adc72d2922e34b7"` [INFO] [stderr] Compiling nix v0.9.0 [INFO] [stderr] Compiling adi_speaker v0.0.1 [INFO] [stderr] Compiling adi v0.12.0 [INFO] [stderr] Compiling twang v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `core::num::::wrapping_add` that must be used [INFO] [stderr] --> src/pink.rs:278:5 [INFO] [stderr] | [INFO] [stderr] 278 | self.pncnt.wrapping_add(1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this returns the result of the operation, without modifying the original [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.24s [INFO] running `"docker" "inspect" "9479148a97c678d4580ffa1cc41f79b8057e9fe34156d7690adc72d2922e34b7"` [INFO] running `"docker" "rm" "-f" "9479148a97c678d4580ffa1cc41f79b8057e9fe34156d7690adc72d2922e34b7"` [INFO] [stdout] 9479148a97c678d4580ffa1cc41f79b8057e9fe34156d7690adc72d2922e34b7 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 7959a7fb105ca26df5b7399bed4b5d0bd94e2913a78b254cba4e994e5047dad3 [INFO] running `"docker" "start" "-a" "7959a7fb105ca26df5b7399bed4b5d0bd94e2913a78b254cba4e994e5047dad3"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/twang-3aa3a25c0985adc3 [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 [INFO] [stdout] [INFO] [stderr] Doc-tests twang [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 9) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 9) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] ALSA lib confmisc.c:767:(parse_card) cannot find card '0' [INFO] [stdout] ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings [INFO] [stdout] ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory [INFO] [stdout] ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name [INFO] [stdout] ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory [INFO] [stdout] ALSA lib conf.c:5007:(snd_config_expand) Evaluate error: No such file or directory [INFO] [stdout] ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM default [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error("snd_pcm_open", Sys(ENOENT))', src/libcore/result.rs:1165:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563887b052f4 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x563887b052f4 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x563887b052f4 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stdout] 3: 0x563887b052f4 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stdout] 4: 0x563887b1dcec - core::fmt::write::h7fd0d904495c035f [INFO] [stdout] at src/libcore/fmt/mod.rs:1030 [INFO] [stdout] 5: 0x563887b038d7 - std::io::Write::write_fmt::h663e4bf63637c947 [INFO] [stdout] at src/libstd/io/mod.rs:1412 [INFO] [stdout] 6: 0x563887b07665 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stdout] 7: 0x563887b07665 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x563887b07665 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stdout] at src/libstd/panicking.rs:196 [INFO] [stdout] 9: 0x563887b07356 - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stdout] at src/libstd/panicking.rs:210 [INFO] [stdout] 10: 0x563887b07cb5 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stdout] at src/libstd/panicking.rs:473 [INFO] [stdout] 11: 0x563887b07852 - std::panicking::continue_panic_fmt::hd961751be84a6f83 [INFO] [stdout] at src/libstd/panicking.rs:380 [INFO] [stdout] 12: 0x563887b07746 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:307 [INFO] [stdout] 13: 0x563887b1b6aa - core::panicking::panic_fmt::h467e0364f9237670 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 14: 0x563887b1b7a7 - core::result::unwrap_failed::h38f3a56f1dadf080 [INFO] [stdout] at src/libcore/result.rs:1165 [INFO] [stdout] 15: 0x563887af0399 - core::result::Result::unwrap::h5bf65491ed4b69f9 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/result.rs:933 [INFO] [stdout] 16: 0x563887aed39c - adi_speaker::Speaker::new::h8d3ad8f10dc9e6ea [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/adi_speaker-0.0.1/src/lib.rs:51 [INFO] [stdout] 17: 0x563887aeca58 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 18: 0x563887aec643 - std::rt::lang_start::{{closure}}::h837c50a411d03a57 [INFO] [stdout] 19: 0x563887b07733 - std::rt::lang_start_internal::{{closure}}::hf85bf15597d76295 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 20: 0x563887b07733 - std::panicking::try::do_call::hd308ec0604b9bc21 [INFO] [stdout] at src/libstd/panicking.rs:292 [INFO] [stdout] 21: 0x563887b08efa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 22: 0x563887b081ad - std::panicking::try::hafc45125a5bd2b22 [INFO] [stdout] at src/libstd/panicking.rs:271 [INFO] [stdout] 23: 0x563887b081ad - std::panic::catch_unwind::h8494678ec44c4b51 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x563887b081ad - std::rt::lang_start_internal::h7404667a595739f8 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 25: 0x563887aec628 - std::rt::lang_start::heafa1638e1b7f8fa [INFO] [stdout] 26: 0x563887aece5b - main [INFO] [stdout] 27: 0x7f98e8287b97 - __libc_start_main [INFO] [stdout] 28: 0x563887aec50a - _start [INFO] [stdout] 29: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 9) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "7959a7fb105ca26df5b7399bed4b5d0bd94e2913a78b254cba4e994e5047dad3"` [INFO] running `"docker" "rm" "-f" "7959a7fb105ca26df5b7399bed4b5d0bd94e2913a78b254cba4e994e5047dad3"` [INFO] [stdout] 7959a7fb105ca26df5b7399bed4b5d0bd94e2913a78b254cba4e994e5047dad3