[INFO] fetching crate twang 0.2.0... [INFO] testing twang-0.2.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate twang 0.2.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate twang 0.2.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=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" "+1.44.0" "build" "--frozen"` [INFO] [stdout] 312174b4080e4d57f3e85c03c0b509dc5a36da4d2b154f5419f42eb166b01dbf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "312174b4080e4d57f3e85c03c0b509dc5a36da4d2b154f5419f42eb166b01dbf"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "312174b4080e4d57f3e85c03c0b509dc5a36da4d2b154f5419f42eb166b01dbf"` [INFO] running `"docker" "rm" "-f" "312174b4080e4d57f3e85c03c0b509dc5a36da4d2b154f5419f42eb166b01dbf"` [INFO] [stdout] 312174b4080e4d57f3e85c03c0b509dc5a36da4d2b154f5419f42eb166b01dbf [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c12eb543116d85196b59f12d0a97f8566c7f5be48bbad6643c92d9e28a8845d7 [INFO] running `"docker" "start" "-a" "c12eb543116d85196b59f12d0a97f8566c7f5be48bbad6643c92d9e28a8845d7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling adi_speaker v0.0.1 [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] warning: 1 warning emitted [INFO] [stderr] [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] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.66s [INFO] running `"docker" "inspect" "c12eb543116d85196b59f12d0a97f8566c7f5be48bbad6643c92d9e28a8845d7"` [INFO] running `"docker" "rm" "-f" "c12eb543116d85196b59f12d0a97f8566c7f5be48bbad6643c92d9e28a8845d7"` [INFO] [stdout] c12eb543116d85196b59f12d0a97f8566c7f5be48bbad6643c92d9e28a8845d7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=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" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 48ac3ee46b29b202180b6e63254db0ab3eef2abd7e2b5fd5b5b1b19636c8446a [INFO] running `"docker" "start" "-a" "48ac3ee46b29b202180b6e63254db0ab3eef2abd7e2b5fd5b5b1b19636c8446a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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] warning: 1 warning emitted [INFO] [stderr] [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] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/twang-b3170b2863623e02 [INFO] [stderr] Doc-tests twang [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] [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:4693:(_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:4693:(_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:4693:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory [INFO] [stdout] ALSA lib conf.c:5181:(snd_config_expand) Evaluate error: No such file or directory [INFO] [stdout] ALSA lib pcm.c:2642:(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))', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/adi_speaker-0.0.1/src/lib.rs:51:23 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55edfb12a1e4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55edfb12a1e4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55edfb12a1e4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55edfb12a1e4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55edfb147b3c - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55edfb128703 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55edfb12c785 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x55edfb12c785 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x55edfb12c785 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x55edfb12c4c2 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x55edfb12cd92 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x55edfb12c97b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x55edfb146f21 - core::panicking::panic_fmt::h1ac71ad045d55416 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 13: 0x55edfb146d43 - core::option::expect_none_failed::hb40004d71d61b685 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 14: 0x55edfb117eb3 - core::result::Result::unwrap::h287373674db998f2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/result.rs:1005 [INFO] [stdout] 15: 0x55edfb112f6a - adi_speaker::Speaker::new::h0db445cdfa5a6e02 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/adi_speaker-0.0.1/src/lib.rs:51 [INFO] [stdout] 16: 0x55edfb112618 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 17: 0x55edfb112293 - std::rt::lang_start::{{closure}}::hb15f61f8249547b1 [INFO] [stdout] 18: 0x55edfb12d1d8 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 19: 0x55edfb12d1d8 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 20: 0x55edfb12d1d8 - std::panicking::try::hc078f0e11721d1cb [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 21: 0x55edfb12d1d8 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55edfb12d1d8 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 23: 0x55edfb112278 - std::rt::lang_start::h80cabc1387d7a5d8 [INFO] [stdout] 24: 0x55edfb1129fb - main [INFO] [stdout] 25: 0x7f68a60390b3 - __libc_start_main [INFO] [stdout] 26: 0x55edfb11217e - _start [INFO] [stdout] 27: 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" "48ac3ee46b29b202180b6e63254db0ab3eef2abd7e2b5fd5b5b1b19636c8446a"` [INFO] running `"docker" "rm" "-f" "48ac3ee46b29b202180b6e63254db0ab3eef2abd7e2b5fd5b5b1b19636c8446a"` [INFO] [stdout] 48ac3ee46b29b202180b6e63254db0ab3eef2abd7e2b5fd5b5b1b19636c8446a