[INFO] crate serial_enumerate 0.1.0 is already in cache [INFO] testing serial_enumerate-0.1.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate serial_enumerate 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate serial_enumerate 0.1.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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 /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8ba561a70b1c202697a613ffacec79f14675ddede0b454482342814c7afb6360 [INFO] running `"docker" "start" "-a" "8ba561a70b1c202697a613ffacec79f14675ddede0b454482342814c7afb6360"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [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 3.92s [INFO] running `"docker" "inspect" "8ba561a70b1c202697a613ffacec79f14675ddede0b454482342814c7afb6360"` [INFO] running `"docker" "rm" "-f" "8ba561a70b1c202697a613ffacec79f14675ddede0b454482342814c7afb6360"` [INFO] [stdout] 8ba561a70b1c202697a613ffacec79f14675ddede0b454482342814c7afb6360 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] 81c52453cafd13016c977d3538488e2fd5c176f1a29362d2f2a9a6b9c7c53a49 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "81c52453cafd13016c977d3538488e2fd5c176f1a29362d2f2a9a6b9c7c53a49"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `"docker" "inspect" "81c52453cafd13016c977d3538488e2fd5c176f1a29362d2f2a9a6b9c7c53a49"` [INFO] running `"docker" "rm" "-f" "81c52453cafd13016c977d3538488e2fd5c176f1a29362d2f2a9a6b9c7c53a49"` [INFO] [stdout] 81c52453cafd13016c977d3538488e2fd5c176f1a29362d2f2a9a6b9c7c53a49 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 091b4c88424914823790cac9e8397865260b08e0b85799e3b92694ee32d2d40b [INFO] running `"docker" "start" "-a" "091b4c88424914823790cac9e8397865260b08e0b85799e3b92694ee32d2d40b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/serial_enumerate-03d419e6d43e6758 [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: 0x55e5b8a020b3 - backtrace::backtrace::libunwind::trace::h003e0853253db8d3 [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::h164f481b75b19876 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/mod.rs:70 [INFO] [stdout] 1: 0x55e5b89fec55 - backtrace::capture::Backtrace::new::hb01082a0f16402e1 [INFO] [stdout] at /opt/rustwide/target/debug/build/backtrace-73374abc2bfa5108/out/capture.rs:79 [INFO] [stdout] 2: 0x55e5b89fbb16 - error_chain::make_backtrace::hd6f7715074ca3dc7 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:684 [INFO] [stdout] 3: 0x55e5b89f57c9 - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::{{closure}}::h92cfbb7442ee1798 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:504 [INFO] [stdout] 4: 0x55e5b89f8baf - core::option::Option::unwrap_or_else::hb409652ec0ad45f3 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/option.rs:430 [INFO] [stdout] 5: 0x55e5b89f5902 - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::h475e1b47b661b2e6 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:503 [INFO] [stdout] 6: 0x55e5b89f9c3b - core::result::Result::map_err::h58e963f9f979ee18 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:612 [INFO] [stdout] 7: 0x55e5b89fa060 - as serial_enumerate::errors::ChainErr>::chain_err::h11015d56ff8012bc [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:500 [INFO] [stdout] 8: 0x55e5b89f8f25 - serial_enumerate::enumerate_serial_ports::h0010ddefed8642c3 [INFO] [stdout] at src/lib.rs:46 [INFO] [stdout] 9: 0x55e5b89f5239 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 10: 0x55e5b89f4302 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652 [INFO] [stdout] 11: 0x55e5b8a37b47 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] - std::panicking::try::do_call::h54d9370b0ac83700 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] - std::panicking::try::h85e1c41421d5b6f9 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] - std::panic::catch_unwind::hfd957e6c9fdcf274 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] - std::rt::lang_start_internal::hed9744eef32ef5a1 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 12: 0x55e5b89f42e7 - std::rt::lang_start::h66e0318a0fda6501 [INFO] [stdout] 13: 0x55e5b89f54ca - main [INFO] [stdout] 14: 0x7f6912c230b2 - __libc_start_main [INFO] [stdout] 15: 0x55e5b89f419d - _start [INFO] [stdout] 16: 0x0 - )))', src/lib.rs:4:15 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55e5b8a34c05 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55e5b8a34c05 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55e5b8a34c05 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55e5b8a34c05 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55e5b8a5271c - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55e5b8a32fd3 - std::io::Write::write_fmt::hc912aacf8d691eb3 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55e5b8a37140 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x55e5b8a37140 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x55e5b8a37140 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x55e5b8a36e8c - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x55e5b8a37777 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x55e5b8a3737b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 12: 0x55e5b8a51b21 - core::panicking::panic_fmt::habd7df443069602c [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 13: 0x55e5b8a51943 - core::option::expect_none_failed::h721078758a086285 [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 14: 0x55e5b89f49a9 - core::result::Result::unwrap::h793788c9413e520a [INFO] [stdout] 15: 0x55e5b89f5253 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x55e5b89f4303 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652 [INFO] [stdout] 17: 0x55e5b8a37b48 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x55e5b8a37b48 - std::panicking::try::do_call::h54d9370b0ac83700 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x55e5b8a37b48 - std::panicking::try::h85e1c41421d5b6f9 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x55e5b8a37b48 - std::panic::catch_unwind::hfd957e6c9fdcf274 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55e5b8a37b48 - std::rt::lang_start_internal::hed9744eef32ef5a1 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x55e5b89f42e8 - std::rt::lang_start::h66e0318a0fda6501 [INFO] [stdout] 23: 0x55e5b89f54cb - main [INFO] [stdout] 24: 0x7f6912c230b3 - __libc_start_main [INFO] [stdout] 25: 0x55e5b89f419e - _start [INFO] [stdout] 26: 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" "091b4c88424914823790cac9e8397865260b08e0b85799e3b92694ee32d2d40b"` [INFO] running `"docker" "rm" "-f" "091b4c88424914823790cac9e8397865260b08e0b85799e3b92694ee32d2d40b"` [INFO] [stdout] 091b4c88424914823790cac9e8397865260b08e0b85799e3b92694ee32d2d40b