[INFO] crate i2c-tpa2016 0.1.0 is already in cache [INFO] extracting crate i2c-tpa2016 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/i2c-tpa2016/0.1.0 [INFO] extracting crate i2c-tpa2016 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/i2c-tpa2016/0.1.0 [INFO] validating manifest of i2c-tpa2016-0.1.0 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 i2c-tpa2016-0.1.0 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 i2c-tpa2016-0.1.0 [INFO] finished frobbing i2c-tpa2016-0.1.0 [INFO] frobbed toml for i2c-tpa2016-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/i2c-tpa2016/0.1.0/Cargo.toml [INFO] started frobbing i2c-tpa2016-0.1.0 [INFO] finished frobbing i2c-tpa2016-0.1.0 [INFO] frobbed toml for i2c-tpa2016-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/i2c-tpa2016/0.1.0/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] 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 i2c-tpa2016-0.1.0 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/i2c-tpa2016/0.1.0:/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] 1c46f253ffb5ff2f0b864834385d2393269f4d531fee3e831bd756e0b4c1d494 [INFO] running `"docker" "start" "-a" "1c46f253ffb5ff2f0b864834385d2393269f4d531fee3e831bd756e0b4c1d494"` [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Compiling i2c-tpa2016 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.06s [INFO] running `"docker" "inspect" "1c46f253ffb5ff2f0b864834385d2393269f4d531fee3e831bd756e0b4c1d494"` [INFO] running `"docker" "rm" "-f" "1c46f253ffb5ff2f0b864834385d2393269f4d531fee3e831bd756e0b4c1d494"` [INFO] [stdout] 1c46f253ffb5ff2f0b864834385d2393269f4d531fee3e831bd756e0b4c1d494 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/i2c-tpa2016/0.1.0:/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] 18f1b7a89b01ae54af4822b172fc4ddd9e722171ee1b23b560fbfa19380b5033 [INFO] running `"docker" "start" "-a" "18f1b7a89b01ae54af4822b172fc4ddd9e722171ee1b23b560fbfa19380b5033"` [INFO] [stderr] Compiling i2c-tpa2016 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.88s [INFO] running `"docker" "inspect" "18f1b7a89b01ae54af4822b172fc4ddd9e722171ee1b23b560fbfa19380b5033"` [INFO] running `"docker" "rm" "-f" "18f1b7a89b01ae54af4822b172fc4ddd9e722171ee1b23b560fbfa19380b5033"` [INFO] [stdout] 18f1b7a89b01ae54af4822b172fc4ddd9e722171ee1b23b560fbfa19380b5033 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/i2c-tpa2016/0.1.0:/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] 7f37ef8040e99178e116208f59c9eae25400d0f6450cc0ec17997e4ad3642694 [INFO] running `"docker" "start" "-a" "7f37ef8040e99178e116208f59c9eae25400d0f6450cc0ec17997e4ad3642694"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/crater/target/debug/deps/i2c_tpa2016-17d8af898c4d203a [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/skeptic-b5da31a4a4f50972 [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] [stderr] error: couldn't create a temp dir: Read-only file system (os error 30) at path "/opt/crater/workdir/rmetaUyRugN" [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stdout] test readme_sect_synopsys_line_13 ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--test skeptic' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- readme_sect_synopsys_line_13 stdout ---- [INFO] [stdout] thread 'readme_sect_synopsys_line_13' panicked at 'Command failed: [INFO] [stdout] "rustc" "/tmp/rust-skeptic.3rdHhUQKSp3u/test.rs" "--verbose" "--crate-type=bin" "-L" "/opt/crater/target/debug" "-L" "/opt/crater/target/debug/deps" "--target" "x86_64-unknown-linux-gnu" "--extern" "skeptic=/opt/crater/target/debug/deps/libskeptic-c8d832d418c22597.rlib" "--extern" "i2cdev=/opt/crater/target/debug/deps/libi2cdev-9805a67ee3915c5d.rlib" "--extern" "i2c_tpa2016=/opt/crater/target/debug/deps/libi2c_tpa2016-72361564500d66bb.rlib" "--extern" "log=/opt/crater/target/debug/deps/liblog-97a87eb8ed81b97d.rlib" "--emit=dep-info=/tmp/rust-skeptic.3rdHhUQKSp3u/out.exe.d,metadata=/tmp/rust-skeptic.3rdHhUQKSp3u/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: 0x558588127c73 - 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: 0x558588122ecb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x558588126946 - 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: 0x55858812666e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55858812704f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x558588126bd1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x558588126b1e - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x558587fa8d3f - 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: 0x558587fa86b2 - 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: 0x558587fa798a - 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: 0x558587f64be2 - skeptic::readme_sect_synopsys_line_13::h85697f2da89308b2 [INFO] [stdout] at /opt/crater/target/debug/build/i2c-tpa2016-5a0f7ca973786684/out/skeptic-tests.rs:32 [INFO] [stdout] 11: 0x558587f64ab9 - skeptic::readme_sect_synopsys_line_13::{{closure}}::hca310fd682e751ec [INFO] [stdout] at /opt/crater/target/debug/build/i2c-tpa2016-5a0f7ca973786684/out/skeptic-tests.rs:2 [INFO] [stdout] 12: 0x558587f648ad - core::ops::function::FnOnce::call_once::h2ab0749adbef886e [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x558587f6fd7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 14: 0x55858812ea09 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x558587f8a677 - 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: 0x558587f65094 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 17: 0x558587f69144 - 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: 0x55858812ea09 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 19: 0x558587f69751 - 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: 0x55858811833e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 21: 0x55858812e0ef - 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: 0x7f1af1c4e4a3 - start_thread [INFO] [stdout] 23: 0x7f1af1779d0e - __clone [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] readme_sect_synopsys_line_13 [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "7f37ef8040e99178e116208f59c9eae25400d0f6450cc0ec17997e4ad3642694"` [INFO] running `"docker" "rm" "-f" "7f37ef8040e99178e116208f59c9eae25400d0f6450cc0ec17997e4ad3642694"` [INFO] [stdout] 7f37ef8040e99178e116208f59c9eae25400d0f6450cc0ec17997e4ad3642694