[INFO] fetching crate serial_enumerate 0.1.0... [INFO] testing serial_enumerate-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate serial_enumerate 0.1.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate serial_enumerate 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c51fd662795503c995e5844dff0395e99cf2b92044b88d37de6e1b0c6a68d9c [INFO] running `Command { std: "docker" "start" "-a" "4c51fd662795503c995e5844dff0395e99cf2b92044b88d37de6e1b0c6a68d9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c51fd662795503c995e5844dff0395e99cf2b92044b88d37de6e1b0c6a68d9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c51fd662795503c995e5844dff0395e99cf2b92044b88d37de6e1b0c6a68d9c", kill_on_drop: false }` [INFO] [stdout] 4c51fd662795503c995e5844dff0395e99cf2b92044b88d37de6e1b0c6a68d9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30ecaaba5faf2a04fa7b6f38a733b008ec27b3d02106da27d8f48cfd94fb3e16 [INFO] running `Command { std: "docker" "start" "-a" "30ecaaba5faf2a04fa7b6f38a733b008ec27b3d02106da27d8f48cfd94fb3e16", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling rustc-demangle v0.1.19 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [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 4.25s [INFO] running `Command { std: "docker" "inspect" "30ecaaba5faf2a04fa7b6f38a733b008ec27b3d02106da27d8f48cfd94fb3e16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30ecaaba5faf2a04fa7b6f38a733b008ec27b3d02106da27d8f48cfd94fb3e16", kill_on_drop: false }` [INFO] [stdout] 30ecaaba5faf2a04fa7b6f38a733b008ec27b3d02106da27d8f48cfd94fb3e16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4beba2ac0954567c7262ca773ae4287203d0813bf0f27071b5fca078182865b [INFO] running `Command { std: "docker" "start" "-a" "e4beba2ac0954567c7262ca773ae4287203d0813bf0f27071b5fca078182865b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "e4beba2ac0954567c7262ca773ae4287203d0813bf0f27071b5fca078182865b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4beba2ac0954567c7262ca773ae4287203d0813bf0f27071b5fca078182865b", kill_on_drop: false }` [INFO] [stdout] e4beba2ac0954567c7262ca773ae4287203d0813bf0f27071b5fca078182865b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7c7a22b9869b632753e7bf7a942d7283f523a72ffb278eb071caba8f5e9e174d [INFO] running `Command { std: "docker" "start" "-a" "7c7a22b9869b632753e7bf7a942d7283f523a72ffb278eb071caba8f5e9e174d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/serial_enumerate-523a0b6d74de6f5d) [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; finished in 0.00s [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: 0x557c911b981d - backtrace::backtrace::libunwind::trace::h07580fac14516b5b [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::h4436146e4a297187 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/mod.rs:70 [INFO] [stdout] 1: 0x557c911bab9f - backtrace::capture::Backtrace::new::h609a0cac833a56f4 [INFO] [stdout] at /opt/rustwide/target/debug/build/backtrace-6f6e6b57321948a3/out/capture.rs:79 [INFO] [stdout] 2: 0x557c911b06ed - error_chain::make_backtrace::h98d0e028ecbad6e4 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:684 [INFO] [stdout] 3: 0x557c911ab619 - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::{{closure}}::hac358187ab173736 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:504 [INFO] [stdout] 4: 0x557c911afda1 - core::option::Option::unwrap_or_else::hf016a1b4fb21f05f [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/option.rs:427 [INFO] [stdout] 5: 0x557c911abd9b - as serial_enumerate::errors::ChainErr>::chain_err::{{closure}}::ha67b99a09c5563c1 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:503 [INFO] [stdout] 6: 0x557c911aac4c - core::result::Result::map_err::h0015998fc67a7aaa [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:591 [INFO] [stdout] 7: 0x557c911ab2b0 - as serial_enumerate::errors::ChainErr>::chain_err::h67ec6f70684752c2 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:500 [INFO] [stdout] 8: 0x557c911ad3e6 - serial_enumerate::enumerate_serial_ports::h8750ee0c8a01aec7 [INFO] [stdout] at src/lib.rs:46 [INFO] [stdout] 9: 0x557c911a9879 - rust_out::main::_doctest_main_src_lib_rs_4_0::hdd01328a57420daf [INFO] [stdout] 10: 0x557c911a9855 - rust_out::main::h2a38bb51b9580a7d [INFO] [stdout] 11: 0x557c911a8e82 - core::ops::function::FnOnce::call_once::h2b2994027e3ddb49 [INFO] [stdout] 12: 0x557c911a8bd8 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0646a71575223ddb [INFO] [stdout] 13: 0x557c911a8c48 - std::rt::lang_start::{{closure}}::h56dae38fc2742666 [INFO] [stdout] 14: 0x557c911f3e38 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259 [INFO] [stdout] - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stdout] at library/std/src/panicking.rs:401 [INFO] [stdout] - std::panicking::try::h4beadc19a78fec52 [INFO] [stdout] at library/std/src/panicking.rs:365 [INFO] [stdout] - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stdout] at library/std/src/panic.rs:433 [INFO] [stdout] - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stdout] at library/std/src/rt.rs:34 [INFO] [stdout] 15: 0x557c911a8c30 - std::rt::lang_start::h186ee2dda057dd14 [INFO] [stdout] 16: 0x557c911a9af2 - main [INFO] [stdout] 17: 0x7f7ed1be90b2 - __libc_start_main [INFO] [stdout] 18: 0x557c911a882d - _start [INFO] [stdout] 19: 0x0 - )))', src/lib.rs:4:58 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x557c911f1410 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x557c911f1410 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x557c911f1410 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x557c911f1410 - ::fmt::h767e17e1aa7df6a8 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x557c9120b66c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stdout] 5: 0x557c911ef9a5 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stdout] 6: 0x557c911f329b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x557c911f329b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x557c911f329b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x557c911f2d71 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x557c911f3941 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x557c911f3447 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x557c911f18ec - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x557c911f33a9 - rust_begin_unwind [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x557c911a80d1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x557c911a8163 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x557c911a91e6 - core::result::Result::unwrap::h31a00b99ec383f62 [INFO] [stdout] 17: 0x557c911a9890 - rust_out::main::_doctest_main_src_lib_rs_4_0::hdd01328a57420daf [INFO] [stdout] 18: 0x557c911a9856 - rust_out::main::h2a38bb51b9580a7d [INFO] [stdout] 19: 0x557c911a8e83 - core::ops::function::FnOnce::call_once::h2b2994027e3ddb49 [INFO] [stdout] 20: 0x557c911a8bd9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0646a71575223ddb [INFO] [stdout] 21: 0x557c911a8c49 - std::rt::lang_start::{{closure}}::h56dae38fc2742666 [INFO] [stdout] 22: 0x557c911f3e39 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x557c911f3e39 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 24: 0x557c911f3e39 - std::panicking::try::h4beadc19a78fec52 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 25: 0x557c911f3e39 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stdout] 26: 0x557c911f3e39 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21 [INFO] [stdout] 27: 0x557c911a8c31 - std::rt::lang_start::h186ee2dda057dd14 [INFO] [stdout] 28: 0x557c911a9af3 - main [INFO] [stdout] 29: 0x7f7ed1be90b3 - __libc_start_main [INFO] [stdout] 30: 0x557c911a882e - _start [INFO] [stdout] 31: 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; finished in 0.42s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "7c7a22b9869b632753e7bf7a942d7283f523a72ffb278eb071caba8f5e9e174d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c7a22b9869b632753e7bf7a942d7283f523a72ffb278eb071caba8f5e9e174d", kill_on_drop: false }` [INFO] [stdout] 7c7a22b9869b632753e7bf7a942d7283f523a72ffb278eb071caba8f5e9e174d