[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-1.38-1/sources/1.37.0/reg/qwiic-mp3-trigger/0.1.2 [INFO] extracting crate qwiic-mp3-trigger 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/qwiic-mp3-trigger/0.1.2 [INFO] validating manifest of qwiic-mp3-trigger-0.1.2 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of qwiic-mp3-trigger-0.1.2 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/qwiic-mp3-trigger/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing qwiic-mp3-trigger-0.1.2 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 934d08e95a05498442cc9348334c6442825ed997969357919068812b2a9283a4 [INFO] running `"docker" "start" "-a" "934d08e95a05498442cc9348334c6442825ed997969357919068812b2a9283a4"` [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Compiling skeptic v0.13.4 [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 7.38s [INFO] running `"docker" "inspect" "934d08e95a05498442cc9348334c6442825ed997969357919068812b2a9283a4"` [INFO] running `"docker" "rm" "-f" "934d08e95a05498442cc9348334c6442825ed997969357919068812b2a9283a4"` [INFO] [stdout] 934d08e95a05498442cc9348334c6442825ed997969357919068812b2a9283a4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 39e39e891d5da504144a64602764c750ee2b0748dd2028fe7489768a8637ce19 [INFO] running `"docker" "start" "-a" "39e39e891d5da504144a64602764c750ee2b0748dd2028fe7489768a8637ce19"` [INFO] [stderr] Compiling qwiic-mp3-trigger v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `"docker" "inspect" "39e39e891d5da504144a64602764c750ee2b0748dd2028fe7489768a8637ce19"` [INFO] running `"docker" "rm" "-f" "39e39e891d5da504144a64602764c750ee2b0748dd2028fe7489768a8637ce19"` [INFO] [stdout] 39e39e891d5da504144a64602764c750ee2b0748dd2028fe7489768a8637ce19 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 8243f6acb48c1a95c181a6a9a6f5be8c1b8516b32630c770929e46671c69bd5e [INFO] running `"docker" "start" "-a" "8243f6acb48c1a95c181a6a9a6f5be8c1b8516b32630c770929e46671c69bd5e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/qwiic_mp3_trigger-b6b493236d665085 [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-5144983147d97f93 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] warning: unused variable: `version` [INFO] [stderr] --> /tmp/rust-skeptic.GyaGbJ6UTTyu/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.GyaGbJ6UTTyu/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.GyaGbJ6UTTyu/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.GyaGbJ6UTTyu/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.GyaGbJ6UTTyu/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/rmetasrDbhg" [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.GyaGbJ6UTTyu/test.rs" "--verbose" "--crate-type=bin" "-L" "/opt/crater/target/debug" "-L" "/opt/crater/target/debug/deps" "--target" "x86_64-unknown-linux-gnu" "--extern" "qwiic_mp3_trigger=/opt/crater/target/debug/deps/libqwiic_mp3_trigger-0c949a9914c4b6ae.rlib" "--extern" "skeptic=/opt/crater/target/debug/deps/libskeptic-49bbe20730aabf02.rlib" "--extern" "log=/opt/crater/target/debug/deps/liblog-44381034b3063b0a.rlib" "--extern" "i2cdev=/opt/crater/target/debug/deps/libi2cdev-c6ccba284fafaf8d.rlib" "--emit=dep-info=/tmp/rust-skeptic.GyaGbJ6UTTyu/out.exe.d,metadata=/tmp/rust-skeptic.GyaGbJ6UTTyu/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: 0x564df115218b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x564df115218b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x564df115218b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x564df115218b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x564df115218b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x564df1151dfa - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x564df1152900 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x564df1152482 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x564df11523cf - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x564df0fce1db - skeptic::rt::interpret_output::hcc9bc48856284b2b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:855 [INFO] [stdout] 10: 0x564df0fcdb31 - skeptic::rt::compile_test_case::h1ce0b64a6015ea18 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:833 [INFO] [stdout] 11: 0x564df0fcce0b - skeptic::rt::compile_test::h87581904bf10d858 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:731 [INFO] [stdout] 12: 0x564df0f8a1b3 - skeptic::readme_sect_synopsys_line_12::hbb78278c69b9543e [INFO] [stdout] at /opt/crater/target/debug/build/qwiic-mp3-trigger-a0f73decbcbe2bda/out/skeptic-tests.rs:36 [INFO] [stdout] 13: 0x564df0f8a08a - skeptic::readme_sect_synopsys_line_12::{{closure}}::hc9ba7ca50e6809aa [INFO] [stdout] at /opt/crater/target/debug/build/qwiic-mp3-trigger-a0f73decbcbe2bda/out/skeptic-tests.rs:2 [INFO] [stdout] 14: 0x564df0f8a5ce - core::ops::function::FnOnce::call_once::h903ac52be6a05c2f [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x564df0f9579f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x564df1159cfa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x564df0fafd98 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x564df0fafd98 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x564df0fafd98 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x564df0f8ac15 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x564df0f8ecd5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x564df0f8ecd5 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x564df0f8ecd5 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x564df1159cfa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x564df0f8f3d2 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x564df0f8f3d2 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x564df0f8f3d2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x564df0f8f3d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x564df1144e5f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x564df1159450 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x564df1159450 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x564df1159450 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6f5e05e4a4 - start_thread [INFO] [stdout] 34: 0x7f6f5db89d0f - __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" "8243f6acb48c1a95c181a6a9a6f5be8c1b8516b32630c770929e46671c69bd5e"` [INFO] running `"docker" "rm" "-f" "8243f6acb48c1a95c181a6a9a6f5be8c1b8516b32630c770929e46671c69bd5e"` [INFO] [stdout] 8243f6acb48c1a95c181a6a9a6f5be8c1b8516b32630c770929e46671c69bd5e