[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 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 57c4c234dcd2cf8ea1fc72c67a478a311ff64a45282413b25ef08b9abfc489c9 [INFO] running `"docker" "start" "-a" "57c4c234dcd2cf8ea1fc72c67a478a311ff64a45282413b25ef08b9abfc489c9"` [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling semver v0.9.0 [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 6.92s [INFO] running `"docker" "inspect" "57c4c234dcd2cf8ea1fc72c67a478a311ff64a45282413b25ef08b9abfc489c9"` [INFO] running `"docker" "rm" "-f" "57c4c234dcd2cf8ea1fc72c67a478a311ff64a45282413b25ef08b9abfc489c9"` [INFO] [stdout] 57c4c234dcd2cf8ea1fc72c67a478a311ff64a45282413b25ef08b9abfc489c9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] afd4f1cb80e52cd3da35b2256971cc0d4121f202f1464073e52fdd348f009182 [INFO] running `"docker" "start" "-a" "afd4f1cb80e52cd3da35b2256971cc0d4121f202f1464073e52fdd348f009182"` [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" "afd4f1cb80e52cd3da35b2256971cc0d4121f202f1464073e52fdd348f009182"` [INFO] running `"docker" "rm" "-f" "afd4f1cb80e52cd3da35b2256971cc0d4121f202f1464073e52fdd348f009182"` [INFO] [stdout] afd4f1cb80e52cd3da35b2256971cc0d4121f202f1464073e52fdd348f009182 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] c822727911fd71596b953a7bf9d0416bfd43b9d389327ec70a763e03e9639f0a [INFO] running `"docker" "start" "-a" "c822727911fd71596b953a7bf9d0416bfd43b9d389327ec70a763e03e9639f0a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/qwiic_mp3_trigger-ceb102277a4b891e [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-06813fd2d3e7f688 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] warning: unused variable: `version` [INFO] [stderr] --> /tmp/rust-skeptic.wp4uDxq7QPqu/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.wp4uDxq7QPqu/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.wp4uDxq7QPqu/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.wp4uDxq7QPqu/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.wp4uDxq7QPqu/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/rmetapD3d5i" [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.wp4uDxq7QPqu/test.rs" "--verbose" "--crate-type=bin" "-L" "/opt/crater/target/debug" "-L" "/opt/crater/target/debug/deps" "--target" "x86_64-unknown-linux-gnu" "--extern" "i2cdev=/opt/crater/target/debug/deps/libi2cdev-9805a67ee3915c5d.rlib" "--extern" "log=/opt/crater/target/debug/deps/liblog-42c7a57c494171fb.rlib" "--extern" "qwiic_mp3_trigger=/opt/crater/target/debug/deps/libqwiic_mp3_trigger-5625919577c81c2a.rlib" "--extern" "skeptic=/opt/crater/target/debug/deps/libskeptic-089f159768a54c00.rlib" "--emit=dep-info=/tmp/rust-skeptic.wp4uDxq7QPqu/out.exe.d,metadata=/tmp/rust-skeptic.wp4uDxq7QPqu/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: 0x55a2f0f0cc73 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55a2f0f07ecb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55a2f0f0b946 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55a2f0f0b66e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55a2f0f0c04f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55a2f0f0bbd1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55a2f0f0bb1e - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x55a2f0d8dd3f - skeptic::rt::interpret_output::h37abfbc72e21f7ec [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:855 [INFO] [stdout] 8: 0x55a2f0d8d6b2 - skeptic::rt::compile_test_case::h688326593cc4156b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:833 [INFO] [stdout] 9: 0x55a2f0d8c98a - skeptic::rt::compile_test::ha8948bb05d7256fd [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.13.4/lib.rs:731 [INFO] [stdout] 10: 0x55a2f0d49832 - skeptic::readme_sect_synopsys_line_12::h7811b79e36351cad [INFO] [stdout] at /opt/crater/target/debug/build/qwiic-mp3-trigger-c00fee9d380e7ca6/out/skeptic-tests.rs:36 [INFO] [stdout] 11: 0x55a2f0d49709 - skeptic::readme_sect_synopsys_line_12::{{closure}}::h31c8e9a35880c22b [INFO] [stdout] at /opt/crater/target/debug/build/qwiic-mp3-trigger-c00fee9d380e7ca6/out/skeptic-tests.rs:2 [INFO] [stdout] 12: 0x55a2f0d4994d - core::ops::function::FnOnce::call_once::hbd312a888e9bc9e5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55a2f0d54d7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 14: 0x55a2f0f13a09 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x55a2f0d6f677 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 16: 0x55a2f0d4a094 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 17: 0x55a2f0d4e144 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 18: 0x55a2f0f13a09 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 19: 0x55a2f0d4e751 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 20: 0x55a2f0efd33e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 21: 0x55a2f0f130ef - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 22: 0x7f835641d4a3 - start_thread [INFO] [stdout] 23: 0x7f8355f48d0e - __clone [INFO] [stdout] 24: 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" "c822727911fd71596b953a7bf9d0416bfd43b9d389327ec70a763e03e9639f0a"` [INFO] running `"docker" "rm" "-f" "c822727911fd71596b953a7bf9d0416bfd43b9d389327ec70a763e03e9639f0a"` [INFO] [stdout] c822727911fd71596b953a7bf9d0416bfd43b9d389327ec70a763e03e9639f0a