[INFO] crate serial_enumerate 0.1.0 is already in cache [INFO] testing serial_enumerate-0.1.0 against 1.38.0 for beta-1.39-1 [INFO] extracting crate serial_enumerate 0.1.0 into work/builds/worker-3/source [INFO] validating manifest of crates.io crate serial_enumerate 0.1.0 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate serial_enumerate 0.1.0 [INFO] finished tweaking crates.io crate serial_enumerate 0.1.0 [INFO] tweaked toml for crates.io crate serial_enumerate 0.1.0 written to work/builds/worker-3/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] ff0915f57c4b690cd1a44bf54b611c833d85032dd9c2845eedbf6ef3a55bba23 [INFO] running `"docker" "start" "-a" "ff0915f57c4b690cd1a44bf54b611c833d85032dd9c2845eedbf6ef3a55bba23"` [INFO] [stderr] Compiling error-chain v0.5.0 [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "ff0915f57c4b690cd1a44bf54b611c833d85032dd9c2845eedbf6ef3a55bba23"` [INFO] running `"docker" "rm" "-f" "ff0915f57c4b690cd1a44bf54b611c833d85032dd9c2845eedbf6ef3a55bba23"` [INFO] [stdout] ff0915f57c4b690cd1a44bf54b611c833d85032dd9c2845eedbf6ef3a55bba23 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] de9e8fb0cc50e052e2a7e860edb74cd5bea18db5fd3ec0fc8720b81d61f346bf [INFO] running `"docker" "start" "-a" "de9e8fb0cc50e052e2a7e860edb74cd5bea18db5fd3ec0fc8720b81d61f346bf"` [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "de9e8fb0cc50e052e2a7e860edb74cd5bea18db5fd3ec0fc8720b81d61f346bf"` [INFO] running `"docker" "rm" "-f" "de9e8fb0cc50e052e2a7e860edb74cd5bea18db5fd3ec0fc8720b81d61f346bf"` [INFO] [stdout] de9e8fb0cc50e052e2a7e860edb74cd5bea18db5fd3ec0fc8720b81d61f346bf [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] 71b414ca7377e31c3ecb2b58f5a2819877bc69a306f366fb0e0a1a2dd54db2c6 [INFO] running `"docker" "start" "-a" "71b414ca7377e31c3ecb2b58f5a2819877bc69a306f366fb0e0a1a2dd54db2c6"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/serial_enumerate-61511c400df8096e [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: 0x563f46b252a3 - backtrace::backtrace::libunwind::trace::hd034ccce07ec7d6f [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/libunwind.rs:54 [INFO] [stdout] - backtrace::backtrace::trace::h5c3c6a23dd828602 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/mod.rs:70 [INFO] [stdout] 1: 0x563f46b18473 - backtrace::capture::Backtrace::new::hfc4bacfcf9374789 [INFO] [stdout] at /opt/rustwide/target/debug/build/backtrace-d1532cf9fd82c3bc/out/capture.rs:79 [INFO] [stdout] 2: 0x563f46b151b3 - error_chain::make_backtrace::h9bf483038d0fbabc [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:684 [INFO] [stdout] 3: 0x563f46b0d759 - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::{{closure}}::hc52139288f0f82d2 [INFO] [stdout] at /opt/rustwide/workdir/<::error_chain::error_chain macros>:117 [INFO] [stdout] 4: 0x563f46b131c5 - core::option::Option::unwrap_or_else::h65c6b8ffccc63551 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/option.rs:419 [INFO] [stdout] 5: 0x563f46b0d88c - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::h04546a64dd6d3f30 [INFO] [stdout] at /opt/rustwide/workdir/<::error_chain::error_chain macros>:116 [INFO] [stdout] 6: 0x563f46b12cd3 - core::result::Result::map_err::h8037a037365343fd [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/result.rs:574 [INFO] [stdout] 7: 0x563f46b12f00 - as serial_enumerate::errors::ChainErr>::chain_err::h107181a235988c2b [INFO] [stdout] at /opt/rustwide/workdir/<::error_chain::error_chain macros>:111 [INFO] [stdout] 8: 0x563f46b136e6 - serial_enumerate::enumerate_serial_ports::hddde3df59e744e6a [INFO] [stdout] at src/lib.rs:46 [INFO] [stdout] 9: 0x563f46b0c439 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 10: 0x563f46b0c3c2 - std::rt::lang_start::{{closure}}::h47cd0236d084ef94 [INFO] [stdout] 11: 0x563f46b553d2 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] - std::panicking::try::do_call::h9440ccd4dc467eaa [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 12: 0x563f46b574d9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 13: 0x563f46b55edc - std::panicking::try::hc046e7ee42ee744f [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] - std::panic::catch_unwind::h27dfc457c200aee0 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] - std::rt::lang_start_internal::hea1b49a567afe309 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 14: 0x563f46b0c3a7 - std::rt::lang_start::h74b7ed2f3cfd5b0d [INFO] [stdout] 15: 0x563f46b0c76a - main [INFO] [stdout] 16: 0x7f35a1952b96 - __libc_start_main [INFO] [stdout] 17: 0x563f46b0c079 - _start [INFO] [stdout] 18: 0x0 - )))', src/libcore/result.rs:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563f46b552bb - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x563f46b552bb - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x563f46b552bb - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x563f46b552bb - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x563f46b552bb - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x563f46b54f96 - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x563f46b559cd - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x563f46b55552 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x563f46b55436 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x563f46b6a37d - core::panicking::panic_fmt::h7e9f94035af782b3 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x563f46b6a477 - core::result::unwrap_failed::hf7591c1dd9412006 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x563f46b0cb1d - core::result::Result::unwrap::h73f70b261699bef5 [INFO] [stdout] 12: 0x563f46b0c45a - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x563f46b0c3c3 - std::rt::lang_start::{{closure}}::h47cd0236d084ef94 [INFO] [stdout] 14: 0x563f46b553d3 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x563f46b553d3 - std::panicking::try::do_call::h9440ccd4dc467eaa [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x563f46b574da - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 17: 0x563f46b55edd - std::panicking::try::hc046e7ee42ee744f [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x563f46b55edd - std::panic::catch_unwind::h27dfc457c200aee0 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x563f46b55edd - std::rt::lang_start_internal::hea1b49a567afe309 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x563f46b0c3a8 - std::rt::lang_start::h74b7ed2f3cfd5b0d [INFO] [stdout] 21: 0x563f46b0c76b - main [INFO] [stdout] 22: 0x7f35a1952b97 - __libc_start_main [INFO] [stdout] 23: 0x563f46b0c07a - _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" "71b414ca7377e31c3ecb2b58f5a2819877bc69a306f366fb0e0a1a2dd54db2c6"` [INFO] running `"docker" "rm" "-f" "71b414ca7377e31c3ecb2b58f5a2819877bc69a306f366fb0e0a1a2dd54db2c6"` [INFO] [stdout] 71b414ca7377e31c3ecb2b58f5a2819877bc69a306f366fb0e0a1a2dd54db2c6