[INFO] crate serial_enumerate 0.1.0 is already in cache [INFO] extracting crate serial_enumerate 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/serial_enumerate/0.1.0 [INFO] extracting crate serial_enumerate 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serial_enumerate/0.1.0 [INFO] validating manifest of serial_enumerate-0.1.0 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 serial_enumerate-0.1.0 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 serial_enumerate-0.1.0 [INFO] finished frobbing serial_enumerate-0.1.0 [INFO] frobbed toml for serial_enumerate-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/serial_enumerate/0.1.0/Cargo.toml [INFO] started frobbing serial_enumerate-0.1.0 [INFO] finished frobbing serial_enumerate-0.1.0 [INFO] frobbed toml for serial_enumerate-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serial_enumerate/0.1.0/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] testing serial_enumerate-0.1.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serial_enumerate/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 086bfdc5c37081ff2ed2984813d149564577aa313139bc1bd7fc925d3b5995b3 [INFO] running `"docker" "start" "-a" "086bfdc5c37081ff2ed2984813d149564577aa313139bc1bd7fc925d3b5995b3"` [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `"docker" "inspect" "086bfdc5c37081ff2ed2984813d149564577aa313139bc1bd7fc925d3b5995b3"` [INFO] running `"docker" "rm" "-f" "086bfdc5c37081ff2ed2984813d149564577aa313139bc1bd7fc925d3b5995b3"` [INFO] [stdout] 086bfdc5c37081ff2ed2984813d149564577aa313139bc1bd7fc925d3b5995b3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serial_enumerate/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] df7b7150f60e0b3f2716641c1f616f631e14844ad1da4b25432158a7fa04c0b3 [INFO] running `"docker" "start" "-a" "df7b7150f60e0b3f2716641c1f616f631e14844ad1da4b25432158a7fa04c0b3"` [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `"docker" "inspect" "df7b7150f60e0b3f2716641c1f616f631e14844ad1da4b25432158a7fa04c0b3"` [INFO] running `"docker" "rm" "-f" "df7b7150f60e0b3f2716641c1f616f631e14844ad1da4b25432158a7fa04c0b3"` [INFO] [stdout] df7b7150f60e0b3f2716641c1f616f631e14844ad1da4b25432158a7fa04c0b3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serial_enumerate/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] fe74ac96fb46f83a549889165e7d5eade3a48058d7101045ba259f7d48d600fd [INFO] running `"docker" "start" "-a" "fe74ac96fb46f83a549889165e7d5eade3a48058d7101045ba259f7d48d600fd"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/serial_enumerate-711879b1a815043c [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] Doc-tests serial_enumerate [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] test src/lib.rs - (line 4) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 4) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("/dev/serial not found"), (Some(Os { code: 2, kind: NotFound, message: "No such file or directory" }), Some(stack backtrace: [INFO] [stdout] 0: 0x562a22688076 - backtrace::backtrace::libunwind::trace::h21d2323b59b3b43d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/libunwind.rs:54 [INFO] [stdout] - backtrace::backtrace::trace::h6d7cd13f95ea7ed8 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/mod.rs:70 [INFO] [stdout] 1: 0x562a2267c0f3 - backtrace::capture::Backtrace::new::h2eca015984f9aad8 [INFO] [stdout] at /opt/crater/target/debug/build/backtrace-c98ccc05e20380c4/out/capture.rs:79 [INFO] [stdout] 2: 0x562a22678a33 - error_chain::make_backtrace::h46662fd578a0a769 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:684 [INFO] [stdout] 3: 0x562a22670ce9 - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::{{closure}}::h9a0f757d2dbe3ec7 [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:78 [INFO] [stdout] 4: 0x562a2267686a - core::option::Option::unwrap_or_else::h61386999f9d19ea3 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/option.rs:388 [INFO] [stdout] 5: 0x562a22670dff - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::h3d016eeb1fc0d84a [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:77 [INFO] [stdout] 6: 0x562a226759ce - core::result::Result::map_err::h5c2279d9bc1b9ea4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: 0x562a22676460 - as serial_enumerate::errors::ChainErr>::chain_err::h1f028f665d5782cc [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:74 [INFO] [stdout] 8: 0x562a22676cc6 - serial_enumerate::enumerate_serial_ports::hb2b0ad220e6633e3 [INFO] [stdout] at src/lib.rs:46 [INFO] [stdout] 9: 0x562a2266fa79 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 10: 0x562a2266f712 - std::rt::lang_start::{{closure}}::h6ad5bf6913459b3e [INFO] [stdout] 11: 0x562a226ba452 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 12: 0x562a226bc4c9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: 0x562a226baf5c - std::panicking::try::hdf71f938885bca42 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 14: 0x562a2266f6f4 - std::rt::lang_start::he873873cea7d311a [INFO] [stdout] 15: 0x562a2266fdca - main [INFO] [stdout] 16: 0x7f0e185922e0 - __libc_start_main [INFO] [stdout] 17: 0x562a2266f5b9 - _start [INFO] [stdout] 18: 0x0 - )))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x562a226ba33b - 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: 0x562a226ba33b - 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: 0x562a226ba33b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x562a226ba33b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x562a226ba33b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x562a226ba017 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x562a226baa50 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x562a226ba5d2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x562a226ba4b6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x562a226cf32d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x562a2266f8e8 - core::result::unwrap_failed::ha899787732b96e50 [INFO] [stdout] 11: 0x562a2266fa0f - core::result::Result::unwrap::h63d6193a38334b1b [INFO] [stdout] 12: 0x562a2266fa9a - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x562a2266f713 - std::rt::lang_start::{{closure}}::h6ad5bf6913459b3e [INFO] [stdout] 14: 0x562a226ba453 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x562a226ba453 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x562a226bc4ca - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x562a226baf5d - std::panicking::try::hdf71f938885bca42 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x562a226baf5d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x562a226baf5d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x562a2266f6f5 - std::rt::lang_start::he873873cea7d311a [INFO] [stdout] 21: 0x562a2266fdcb - main [INFO] [stdout] 22: 0x7f0e185922e1 - __libc_start_main [INFO] [stdout] 23: 0x562a2266f5ba - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 4) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "fe74ac96fb46f83a549889165e7d5eade3a48058d7101045ba259f7d48d600fd"` [INFO] running `"docker" "rm" "-f" "fe74ac96fb46f83a549889165e7d5eade3a48058d7101045ba259f7d48d600fd"` [INFO] [stdout] fe74ac96fb46f83a549889165e7d5eade3a48058d7101045ba259f7d48d600fd