[INFO] crate serial_enumerate 0.1.0 is already in cache [INFO] extracting crate serial_enumerate 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/serial_enumerate/0.1.0 [INFO] extracting crate serial_enumerate 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serial_enumerate/0.1.0 [INFO] validating manifest of serial_enumerate-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 serial_enumerate-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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/serial_enumerate/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 serial_enumerate-0.1.0 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-4/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/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] af8832d3c7c8098c45f5435ad4b37caad7a085a6045aeb3c4a2b8ede0e1d1cae [INFO] running `"docker" "start" "-a" "af8832d3c7c8098c45f5435ad4b37caad7a085a6045aeb3c4a2b8ede0e1d1cae"` [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling error-chain v0.5.0 [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `"docker" "inspect" "af8832d3c7c8098c45f5435ad4b37caad7a085a6045aeb3c4a2b8ede0e1d1cae"` [INFO] running `"docker" "rm" "-f" "af8832d3c7c8098c45f5435ad4b37caad7a085a6045aeb3c4a2b8ede0e1d1cae"` [INFO] [stdout] af8832d3c7c8098c45f5435ad4b37caad7a085a6045aeb3c4a2b8ede0e1d1cae [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 02163121ccaaf2a36bc3916638724e7b9d1721bb47e72db24a293ef521affe59 [INFO] running `"docker" "start" "-a" "02163121ccaaf2a36bc3916638724e7b9d1721bb47e72db24a293ef521affe59"` [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `"docker" "inspect" "02163121ccaaf2a36bc3916638724e7b9d1721bb47e72db24a293ef521affe59"` [INFO] running `"docker" "rm" "-f" "02163121ccaaf2a36bc3916638724e7b9d1721bb47e72db24a293ef521affe59"` [INFO] [stdout] 02163121ccaaf2a36bc3916638724e7b9d1721bb47e72db24a293ef521affe59 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 62a32b35a27c5eaa50277b054728131d25edd9c08a8a6eb992420d9254625f73 [INFO] running `"docker" "start" "-a" "62a32b35a27c5eaa50277b054728131d25edd9c08a8a6eb992420d9254625f73"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/serial_enumerate-e2cd47724d15e4e7 [INFO] [stderr] Doc-tests serial_enumerate [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] [stdout] [INFO] [stdout] running 1 test [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: 0x55aa77e44a66 - backtrace::backtrace::libunwind::trace::h597f8c0e8d258561 [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::h946a8314064ec5bc [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/mod.rs:70 [INFO] [stdout] 1: 0x55aa77e38a23 - backtrace::capture::Backtrace::new::hc193c465d0db3b3d [INFO] [stdout] at /opt/crater/target/debug/build/backtrace-bd62ed5c937a469b/out/capture.rs:79 [INFO] [stdout] 2: 0x55aa77e35363 - error_chain::make_backtrace::h12eb63e23c7670d3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:684 [INFO] [stdout] 3: 0x55aa77e2d5f9 - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::{{closure}}::hc1e1f23dcc5009a8 [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:78 [INFO] [stdout] 4: 0x55aa77e3319a - core::option::Option::unwrap_or_else::hc96cefbb75354a46 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/option.rs:388 [INFO] [stdout] 5: 0x55aa77e2d9cf - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::hbc6f0eff54c2698e [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:77 [INFO] [stdout] 6: 0x55aa77e3270e - core::result::Result::map_err::h510828183370bf6d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:522 [INFO] [stdout] 7: 0x55aa77e32de0 - as serial_enumerate::errors::ChainErr>::chain_err::h6ede934e8044657f [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:74 [INFO] [stdout] 8: 0x55aa77e335f6 - serial_enumerate::enumerate_serial_ports::h2f3884da0bfa88f3 [INFO] [stdout] at src/lib.rs:46 [INFO] [stdout] 9: 0x55aa77e2c0c9 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 10: 0x55aa77e2c542 - std::rt::lang_start::{{closure}}::hcae6cf720578140e [INFO] [stdout] 11: 0x55aa77e7b162 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 12: 0x55aa77e7d1d9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: 0x55aa77e7bc6c - std::panicking::try::he0549d0299de204a [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 14: 0x55aa77e2c524 - std::rt::lang_start::hf87e2ef1856a065b [INFO] [stdout] 15: 0x55aa77e2c41a - main [INFO] [stdout] 16: 0x7fd86492d2e0 - __libc_start_main [INFO] [stdout] 17: 0x55aa77e2bee9 - _start [INFO] [stdout] 18: 0x0 - )))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55aa77e7b04b - 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: 0x55aa77e7b04b - 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: 0x55aa77e7b04b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55aa77e7b04b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55aa77e7b04b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55aa77e7ad27 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x55aa77e7b760 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55aa77e7b2e2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55aa77e7b1c6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55aa77e8ff1d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55aa77e2cda8 - core::result::unwrap_failed::h181d06906e4a5a14 [INFO] [stdout] 11: 0x55aa77e2cecf - core::result::Result::unwrap::h8f32c97d0e1187d1 [INFO] [stdout] 12: 0x55aa77e2c0ea - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x55aa77e2c543 - std::rt::lang_start::{{closure}}::hcae6cf720578140e [INFO] [stdout] 14: 0x55aa77e7b163 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x55aa77e7b163 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x55aa77e7d1da - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x55aa77e7bc6d - std::panicking::try::he0549d0299de204a [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x55aa77e7bc6d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x55aa77e7bc6d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x55aa77e2c525 - std::rt::lang_start::hf87e2ef1856a065b [INFO] [stdout] 21: 0x55aa77e2c41b - main [INFO] [stdout] 22: 0x7fd86492d2e1 - __libc_start_main [INFO] [stdout] 23: 0x55aa77e2beea - _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] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "62a32b35a27c5eaa50277b054728131d25edd9c08a8a6eb992420d9254625f73"` [INFO] running `"docker" "rm" "-f" "62a32b35a27c5eaa50277b054728131d25edd9c08a8a6eb992420d9254625f73"` [INFO] [stdout] 62a32b35a27c5eaa50277b054728131d25edd9c08a8a6eb992420d9254625f73