[INFO] crate qwiic-mp3-trigger 0.1.2 is already in cache [INFO] extracting crate qwiic-mp3-trigger 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/qwiic-mp3-trigger/0.1.2 [INFO] extracting crate qwiic-mp3-trigger 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/qwiic-mp3-trigger/0.1.2 [INFO] validating manifest of qwiic-mp3-trigger-0.1.2 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of qwiic-mp3-trigger-0.1.2 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing qwiic-mp3-trigger-0.1.2 [INFO] finished frobbing qwiic-mp3-trigger-0.1.2 [INFO] frobbed toml for qwiic-mp3-trigger-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/qwiic-mp3-trigger/0.1.2/Cargo.toml [INFO] started frobbing qwiic-mp3-trigger-0.1.2 [INFO] finished frobbing qwiic-mp3-trigger-0.1.2 [INFO] frobbed toml for qwiic-mp3-trigger-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/qwiic-mp3-trigger/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing qwiic-mp3-trigger-0.1.2 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/qwiic-mp3-trigger/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 5eaafdf0b800734dfc9f5326df432f419be8a43d81a92cb20abff19994ac10de [INFO] running `"docker" "start" "-a" "5eaafdf0b800734dfc9f5326df432f419be8a43d81a92cb20abff19994ac10de"` [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Compiling qwiic-mp3-trigger v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.35s [INFO] running `"docker" "inspect" "5eaafdf0b800734dfc9f5326df432f419be8a43d81a92cb20abff19994ac10de"` [INFO] running `"docker" "rm" "-f" "5eaafdf0b800734dfc9f5326df432f419be8a43d81a92cb20abff19994ac10de"` [INFO] [stdout] 5eaafdf0b800734dfc9f5326df432f419be8a43d81a92cb20abff19994ac10de [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/qwiic-mp3-trigger/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] bfdcf012342c992042cf627077ffa519a32c8d91f5cf13a45ccf15356e6ed810 [INFO] running `"docker" "start" "-a" "bfdcf012342c992042cf627077ffa519a32c8d91f5cf13a45ccf15356e6ed810"` [INFO] [stderr] Compiling qwiic-mp3-trigger v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `"docker" "inspect" "bfdcf012342c992042cf627077ffa519a32c8d91f5cf13a45ccf15356e6ed810"` [INFO] running `"docker" "rm" "-f" "bfdcf012342c992042cf627077ffa519a32c8d91f5cf13a45ccf15356e6ed810"` [INFO] [stdout] bfdcf012342c992042cf627077ffa519a32c8d91f5cf13a45ccf15356e6ed810 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/qwiic-mp3-trigger/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 84a540ea0ab52e5b2297d100e72a31f4f8b1cdf42bdb46b789125ed503430d5e [INFO] running `"docker" "start" "-a" "84a540ea0ab52e5b2297d100e72a31f4f8b1cdf42bdb46b789125ed503430d5e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/qwiic_mp3_trigger-86820749ff17cf0b [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] Running /opt/crater/target/debug/deps/skeptic-977fa33d4927c716 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] warning: unused variable: `version` [INFO] [stderr] --> /tmp/rust-skeptic.899UF8loiHLI/test.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let version: String = mp3_trigger.get_version().unwrap(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_version` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `song_count` [INFO] [stderr] --> /tmp/rust-skeptic.899UF8loiHLI/test.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let song_count: u8 = mp3_trigger.get_song_count().unwrap(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_song_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `card_status` [INFO] [stderr] --> /tmp/rust-skeptic.899UF8loiHLI/test.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let card_status: qwiic_mp3_trigger::CardStatus = mp3_trigger.get_card_status().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_card_status` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `song_name` [INFO] [stderr] --> /tmp/rust-skeptic.899UF8loiHLI/test.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let song_name: String = mp3_trigger.get_song_name().unwrap(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_song_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `play_status` [INFO] [stderr] --> /tmp/rust-skeptic.899UF8loiHLI/test.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let play_status: qwiic_mp3_trigger::PlayStatus = mp3_trigger.get_play_status().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_play_status` [INFO] [stderr] [INFO] [stderr] error: couldn't create a temp dir: Read-only file system (os error 30) at path "/opt/crater/workdir/rmetaUDhCiX" [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stdout] test readme_sect_synopsys_line_12 ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- readme_sect_synopsys_line_12 stdout ---- [INFO] [stdout] thread 'readme_sect_synopsys_line_12' panicked at 'Command failed: [INFO] [stdout] "rustc" "/tmp/rust-skeptic.899UF8loiHLI/test.rs" "--verbose" "--crate-type=bin" "-L" "/opt/crater/target/debug" "-L" "/opt/crater/target/debug/deps" "--target" "x86_64-unknown-linux-gnu" "--extern" "log=/opt/crater/target/debug/deps/liblog-ee35e2064e1aa30c.rlib" "--extern" "i2cdev=/opt/crater/target/debug/deps/libi2cdev-c1420fde7b5fb6d3.rlib" "--extern" "skeptic=/opt/crater/target/debug/deps/libskeptic-fc8efe6340a427e8.rlib" "--extern" "qwiic_mp3_trigger=/opt/crater/target/debug/deps/libqwiic_mp3_trigger-dc5b71767d738d77.rlib" "--emit=dep-info=/tmp/rust-skeptic.899UF8loiHLI/out.exe.d,metadata=/tmp/rust-skeptic.899UF8loiHLI/out.exe.m"', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:855:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563581f53efb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x563581f53efb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x563581f53efb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x563581f53efb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x563581f53efb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x563581f53b6a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x563581f54670 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x563581f541f2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x563581f5413f - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x563581dc961b - skeptic::rt::interpret_output::h08129a915c0d3e22 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:855 [INFO] [stdout] 10: 0x563581dc8f71 - skeptic::rt::compile_test_case::h9d34ccaa9009e60e [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:833 [INFO] [stdout] 11: 0x563581dc824b - skeptic::rt::compile_test::h4b05555984fbb3dd [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:731 [INFO] [stdout] 12: 0x563581d85a83 - skeptic::readme_sect_synopsys_line_12::he85434d9b2ab52f2 [INFO] [stdout] at /opt/crater/target/debug/build/qwiic-mp3-trigger-3cfb9cd252aecc35/out/skeptic-tests.rs:36 [INFO] [stdout] 13: 0x563581d8595a - skeptic::readme_sect_synopsys_line_12::{{closure}}::ha9b6a8e6e18ceb3f [INFO] [stdout] at /opt/crater/target/debug/build/qwiic-mp3-trigger-3cfb9cd252aecc35/out/skeptic-tests.rs:2 [INFO] [stdout] 14: 0x563581d8575e - core::ops::function::FnOnce::call_once::h51a2477e6352d817 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x563581d90bdf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x563581f5ba6a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x563581dab1d8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x563581dab1d8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x563581dab1d8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x563581d86055 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x563581d8a1d5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x563581d8a1d5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x563581d8a1d5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x563581f5ba6a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x563581d8a812 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x563581d8a812 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x563581d8a812 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x563581d8a812 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x563581f46bcf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x563581f5b1c0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x563581f5b1c0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x563581f5b1c0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7ff7929764a4 - start_thread [INFO] [stdout] 34: 0x7ff7924a1d0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] readme_sect_synopsys_line_12 [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 '--test skeptic' [INFO] running `"docker" "inspect" "84a540ea0ab52e5b2297d100e72a31f4f8b1cdf42bdb46b789125ed503430d5e"` [INFO] running `"docker" "rm" "-f" "84a540ea0ab52e5b2297d100e72a31f4f8b1cdf42bdb46b789125ed503430d5e"` [INFO] [stdout] 84a540ea0ab52e5b2297d100e72a31f4f8b1cdf42bdb46b789125ed503430d5e