[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 beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] aa82302250f3df3c65a6398ceebbc2dbf70849c2dec69675e672569a60a7297e [INFO] running `"docker" "start" "-a" "aa82302250f3df3c65a6398ceebbc2dbf70849c2dec69675e672569a60a7297e"` [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 0.71s [INFO] running `"docker" "inspect" "aa82302250f3df3c65a6398ceebbc2dbf70849c2dec69675e672569a60a7297e"` [INFO] running `"docker" "rm" "-f" "aa82302250f3df3c65a6398ceebbc2dbf70849c2dec69675e672569a60a7297e"` [INFO] [stdout] aa82302250f3df3c65a6398ceebbc2dbf70849c2dec69675e672569a60a7297e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 5bbd7a91c609caa3724b68d9a402f601fd961aae9e0c8e7363b2fb7f3bc090ce [INFO] running `"docker" "start" "-a" "5bbd7a91c609caa3724b68d9a402f601fd961aae9e0c8e7363b2fb7f3bc090ce"` [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `"docker" "inspect" "5bbd7a91c609caa3724b68d9a402f601fd961aae9e0c8e7363b2fb7f3bc090ce"` [INFO] running `"docker" "rm" "-f" "5bbd7a91c609caa3724b68d9a402f601fd961aae9e0c8e7363b2fb7f3bc090ce"` [INFO] [stdout] 5bbd7a91c609caa3724b68d9a402f601fd961aae9e0c8e7363b2fb7f3bc090ce [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] c35114f56734914e4455bcca022f3e15375ca5536bb4b41da00e05cfbf23e35f [INFO] running `"docker" "start" "-a" "c35114f56734914e4455bcca022f3e15375ca5536bb4b41da00e05cfbf23e35f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/serial_enumerate-09df6fe23bd1b2df [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] [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: 0x55a3eadbdda3 - backtrace::backtrace::libunwind::trace::he4166b2b76ace3d0 [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::hb4bc8beb090f29fe [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/mod.rs:70 [INFO] [stdout] 1: 0x55a3eadb0453 - backtrace::capture::Backtrace::new::h18c58e1c09e8b358 [INFO] [stdout] at /opt/crater/target/debug/build/backtrace-b5434b7bda251518/out/capture.rs:79 [INFO] [stdout] 2: 0x55a3eadad193 - error_chain::make_backtrace::h6798c5da44619105 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:684 [INFO] [stdout] 3: 0x55a3eada5719 - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::{{closure}}::h14189a24df9406de [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:120 [INFO] [stdout] 4: 0x55a3eadab2b5 - core::option::Option::unwrap_or_else::hc5ff3e0aea86f594 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/option.rs:419 [INFO] [stdout] 5: 0x55a3eada5dac - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::hcebe184bfd71094c [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:119 [INFO] [stdout] 6: 0x55a3eadaa483 - core::result::Result::map_err::h3e69c498a2531a60 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:574 [INFO] [stdout] 7: 0x55a3eadaaee0 - as serial_enumerate::errors::ChainErr>::chain_err::h583103f80c889bf2 [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain macros>:114 [INFO] [stdout] 8: 0x55a3eadab6c6 - serial_enumerate::enumerate_serial_ports::h381da95a3d2a12fc [INFO] [stdout] at src/lib.rs:46 [INFO] [stdout] 9: 0x55a3eada44b9 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 10: 0x55a3eada4842 - std::rt::lang_start::{{closure}}::h00a7ffc4b255461a [INFO] [stdout] 11: 0x55a3eadec652 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 12: 0x55a3eadee8e9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 13: 0x55a3eaded15c - std::panicking::try::h4af22d9cb0afa351 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 14: 0x55a3eada4827 - std::rt::lang_start::hb393a69b73b35e9d [INFO] [stdout] 15: 0x55a3eada47ea - main [INFO] [stdout] 16: 0x7f2e6b88f2e0 - __libc_start_main [INFO] [stdout] 17: 0x55a3eada4039 - _start [INFO] [stdout] 18: 0x0 - )))', src/libcore/result.rs:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a3eadec53b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55a3eadec53b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a3eadec53b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55a3eadec53b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55a3eadec53b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55a3eadec216 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x55a3eadecc4d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55a3eadec7d2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55a3eadec6b6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55a3eae0173d - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55a3eae01837 - core::result::unwrap_failed::hd83f272814becce6 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x55a3eada443d - core::result::Result::unwrap::h768d029a90ae8984 [INFO] [stdout] 12: 0x55a3eada44da - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x55a3eada4843 - std::rt::lang_start::{{closure}}::h00a7ffc4b255461a [INFO] [stdout] 14: 0x55a3eadec653 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x55a3eadec653 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x55a3eadee8ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 17: 0x55a3eaded15d - std::panicking::try::h4af22d9cb0afa351 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x55a3eaded15d - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x55a3eaded15d - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x55a3eada4828 - std::rt::lang_start::hb393a69b73b35e9d [INFO] [stdout] 21: 0x55a3eada47eb - main [INFO] [stdout] 22: 0x7f2e6b88f2e1 - __libc_start_main [INFO] [stdout] 23: 0x55a3eada403a - _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" "c35114f56734914e4455bcca022f3e15375ca5536bb4b41da00e05cfbf23e35f"` [INFO] running `"docker" "rm" "-f" "c35114f56734914e4455bcca022f3e15375ca5536bb4b41da00e05cfbf23e35f"` [INFO] [stdout] c35114f56734914e4455bcca022f3e15375ca5536bb4b41da00e05cfbf23e35f