[INFO] fetching crate usb-disk-probe 0.1.0... [INFO] testing usb-disk-probe-0.1.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate usb-disk-probe 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate usb-disk-probe 0.1.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate usb-disk-probe 0.1.0 [INFO] finished tweaking crates.io crate usb-disk-probe 0.1.0 [INFO] tweaked toml for crates.io crate usb-disk-probe 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate usb-disk-probe 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-hack v0.5.11 [INFO] [stderr] Downloaded pin-project-lite v0.1.1 [INFO] [stderr] Downloaded futures-executor v0.3.1 [INFO] [stderr] Downloaded async-macros v2.0.0 [INFO] [stderr] Downloaded crossbeam-channel v0.4.0 [INFO] [stderr] Downloaded proc-macro-nested v0.1.3 [INFO] [stderr] Downloaded thiserror-impl v1.0.9 [INFO] [stderr] Downloaded async-task v1.0.0 [INFO] [stderr] Downloaded thiserror v1.0.9 [INFO] [stderr] Downloaded futures v0.3.1 [INFO] [stderr] Downloaded futures-macro v0.3.1 [INFO] [stderr] Downloaded futures-channel v0.3.1 [INFO] [stderr] Downloaded once_cell v1.2.0 [INFO] [stderr] Downloaded futures-util v0.3.1 [INFO] [stderr] Downloaded futures-sink v0.3.1 [INFO] [stderr] Downloaded futures-task v0.3.1 [INFO] [stderr] Downloaded async-std v1.2.0 [INFO] [stderr] Downloaded futures-core v0.3.1 [INFO] [stderr] Downloaded futures-io v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] adba24e3f6eb60052a956a0cad9714fe9d6c7519bb287b4f85fff9740a18ee16 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "adba24e3f6eb60052a956a0cad9714fe9d6c7519bb287b4f85fff9740a18ee16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "adba24e3f6eb60052a956a0cad9714fe9d6c7519bb287b4f85fff9740a18ee16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adba24e3f6eb60052a956a0cad9714fe9d6c7519bb287b4f85fff9740a18ee16", kill_on_drop: false }` [INFO] [stdout] adba24e3f6eb60052a956a0cad9714fe9d6c7519bb287b4f85fff9740a18ee16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80a9e8ddb98bb511616dc7baf97d0e84d40647e0424cd4d73686dd76f64b15c8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "80a9e8ddb98bb511616dc7baf97d0e84d40647e0424cd4d73686dd76f64b15c8", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling pin-project-lite v0.1.1 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling async-macros v2.0.0 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling async-std v1.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Compiling thiserror v1.0.9 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Compiling futures-util v0.3.1 [INFO] [stderr] Compiling futures-executor v0.3.1 [INFO] [stderr] Compiling futures v0.3.1 [INFO] [stderr] Compiling usb-disk-probe v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.98s [INFO] running `Command { std: "docker" "inspect" "80a9e8ddb98bb511616dc7baf97d0e84d40647e0424cd4d73686dd76f64b15c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80a9e8ddb98bb511616dc7baf97d0e84d40647e0424cd4d73686dd76f64b15c8", kill_on_drop: false }` [INFO] [stdout] 80a9e8ddb98bb511616dc7baf97d0e84d40647e0424cd4d73686dd76f64b15c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf905b54224774e39c9a24269b6bf6e3a7b6d29787878e533d1a0230235d1283 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bf905b54224774e39c9a24269b6bf6e3a7b6d29787878e533d1a0230235d1283", kill_on_drop: false }` [INFO] [stderr] Compiling usb-disk-probe v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "bf905b54224774e39c9a24269b6bf6e3a7b6d29787878e533d1a0230235d1283", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf905b54224774e39c9a24269b6bf6e3a7b6d29787878e533d1a0230235d1283", kill_on_drop: false }` [INFO] [stdout] bf905b54224774e39c9a24269b6bf6e3a7b6d29787878e533d1a0230235d1283 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b7b9ad408e9b6597f03fa7a5f7cebb866f6200209edb7509616c91039f357905 [INFO] running `Command { std: "docker" "start" "-a" "b7b9ad408e9b6597f03fa7a5f7cebb866f6200209edb7509616c91039f357905", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/usb_disk_probe-c3179fa414603169 [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 usb-disk-probe [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/stream.rs - stream::UsbDiskProbe (line 27) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/stream.rs - stream::UsbDiskProbe (line 27) 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: Open(Custom { kind: NotFound, error: VerboseError { source: Os { code: 2, kind: NotFound, message: "No such file or directory" }, message: "could not read directory `/dev/disk/by-path/`" } })', src/stream.rs:9:52 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b0a4b114e7 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55b0a4b114e7 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55b0a4b114e7 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55b0a4b114e7 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55b0a4b2957c - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x55b0a4b0ed42 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x55b0a4b133f5 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55b0a4b133f5 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55b0a4b133f5 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55b0a4b12f4a - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55b0a4b13b91 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x55b0a4b136d7 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x55b0a4b119ac - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55b0a4b13639 - rust_begin_unwind [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x55b0a4b28951 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55b0a4b28773 - core::option::expect_none_failed::ha72f299eca314ad7 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x55b0a4ab60d0 - core::result::Result::unwrap::hb49e89f805baebd2 [INFO] [stdout] 17: 0x55b0a4ab8156 - rust_out::main::{{closure}}::h331b3f63ba276cc5 [INFO] [stdout] 18: 0x55b0a4ab6fba - as core::future::future::Future>::poll::h23988136ecfa1d72 [INFO] [stdout] 19: 0x55b0a4ab4752 - futures_executor::local_pool::block_on::{{closure}}::h2fb24e9f359f5cce [INFO] [stdout] 20: 0x55b0a4ab463d - futures_executor::local_pool::run_executor::{{closure}}::h403331c35479e596 [INFO] [stdout] 21: 0x55b0a4ab49b7 - std::thread::local::LocalKey::try_with::hc0b95083a8cfd540 [INFO] [stdout] 22: 0x55b0a4ab48d9 - std::thread::local::LocalKey::with::h42689b35e8f8bbde [INFO] [stdout] 23: 0x55b0a4ab4586 - futures_executor::local_pool::run_executor::h2ac5c642217c82d8 [INFO] [stdout] 24: 0x55b0a4ab46d3 - futures_executor::local_pool::block_on::h3f54ee3b7bb5336c [INFO] [stdout] 25: 0x55b0a4ab7fd5 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 26: 0x55b0a4ab4d13 - core::ops::function::FnOnce::call_once::h2f28b12db24480a4 [INFO] [stdout] 27: 0x55b0a4ab4779 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7ff69755847bac0f [INFO] [stdout] 28: 0x55b0a4ab48a9 - std::rt::lang_start::{{closure}}::h8f8fe4b1b4c3ba44 [INFO] [stdout] 29: 0x55b0a4b13fb7 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 30: 0x55b0a4b13fb7 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stdout] 31: 0x55b0a4b13fb7 - std::panicking::try::ha7167c079f243e71 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stdout] 32: 0x55b0a4b13fb7 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stdout] 33: 0x55b0a4b13fb7 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stdout] 34: 0x55b0a4ab4888 - std::rt::lang_start::hd3cc8db4b735f367 [INFO] [stdout] 35: 0x55b0a4ab870b - main [INFO] [stdout] 36: 0x7f47f82610b3 - __libc_start_main [INFO] [stdout] 37: 0x55b0a4ab20ae - _start [INFO] [stdout] 38: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/stream.rs - stream::UsbDiskProbe (line 27) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.39s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "b7b9ad408e9b6597f03fa7a5f7cebb866f6200209edb7509616c91039f357905", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7b9ad408e9b6597f03fa7a5f7cebb866f6200209edb7509616c91039f357905", kill_on_drop: false }` [INFO] [stdout] b7b9ad408e9b6597f03fa7a5f7cebb866f6200209edb7509616c91039f357905