[INFO] fetching crate usb-disk-probe 0.1.0... [INFO] testing usb-disk-probe-0.1.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate usb-disk-probe 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate usb-disk-probe 0.1.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-4/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe1807a4a2d9ea52a9e9c088f16d0649cbf9e6ae17a3ab9ac5db2f6fb149e13e [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" "fe1807a4a2d9ea52a9e9c088f16d0649cbf9e6ae17a3ab9ac5db2f6fb149e13e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe1807a4a2d9ea52a9e9c088f16d0649cbf9e6ae17a3ab9ac5db2f6fb149e13e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe1807a4a2d9ea52a9e9c088f16d0649cbf9e6ae17a3ab9ac5db2f6fb149e13e", kill_on_drop: false }` [INFO] [stdout] fe1807a4a2d9ea52a9e9c088f16d0649cbf9e6ae17a3ab9ac5db2f6fb149e13e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e047adad6508fd27f20911efc8d32b4de8d0cbfffb580c2ff870737460e20f4 [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" "8e047adad6508fd27f20911efc8d32b4de8d0cbfffb580c2ff870737460e20f4", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures-core v0.3.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-sink v0.3.1 [INFO] [stderr] Compiling futures-io v0.3.1 [INFO] [stderr] Compiling futures-task v0.3.1 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling once_cell v1.2.0 [INFO] [stderr] Compiling futures-timer v2.0.2 [INFO] [stderr] Compiling pin-project-lite v0.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling async-macros v2.0.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling async-task v1.0.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [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 futures-macro v0.3.1 [INFO] [stderr] Compiling thiserror v1.0.9 [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 28.02s [INFO] running `Command { std: "docker" "inspect" "8e047adad6508fd27f20911efc8d32b4de8d0cbfffb580c2ff870737460e20f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e047adad6508fd27f20911efc8d32b4de8d0cbfffb580c2ff870737460e20f4", kill_on_drop: false }` [INFO] [stdout] 8e047adad6508fd27f20911efc8d32b4de8d0cbfffb580c2ff870737460e20f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f01492f8598338733c1f9f8fbfa0e7f998c523fec60ccab371f886a4ef244513 [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" "f01492f8598338733c1f9f8fbfa0e7f998c523fec60ccab371f886a4ef244513", 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 1.34s [INFO] running `Command { std: "docker" "inspect" "f01492f8598338733c1f9f8fbfa0e7f998c523fec60ccab371f886a4ef244513", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f01492f8598338733c1f9f8fbfa0e7f998c523fec60ccab371f886a4ef244513", kill_on_drop: false }` [INFO] [stdout] f01492f8598338733c1f9f8fbfa0e7f998c523fec60ccab371f886a4ef244513 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] f63c16ac69b98e487ae742a0ca8094c51dcec94eaf0f6e1b8b6a2cc4b4cea827 [INFO] running `Command { std: "docker" "start" "-a" "f63c16ac69b98e487ae742a0ca8094c51dcec94eaf0f6e1b8b6a2cc4b4cea827", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/usb_disk_probe-5920c757957cee2f [INFO] [stdout] [INFO] [stderr] Doc-tests usb-disk-probe [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--doc' [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: 0x56132a2f7240 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x56132a2f7240 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56132a2f7240 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x56132a2f7240 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x56132a31336c - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x56132a2f4842 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x56132a2f96d5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x56132a2f96d5 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x56132a2f96d5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x56132a2f922a - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x56132a2f9e71 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x56132a2f99b7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x56132a2f76fc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x56132a2f9919 - rust_begin_unwind [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x56132a312711 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x56132a312533 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x56132a2a2fd0 - core::result::Result::unwrap::he45c6780ff6a4019 [INFO] [stdout] 17: 0x56132a2a504e - rust_out::main::{{closure}}::hddbcc103812588cf [INFO] [stdout] 18: 0x56132a2a3d9a - as core::future::future::Future>::poll::h34fb2f6aa23e4bb2 [INFO] [stdout] 19: 0x56132a2a16f2 - futures_executor::local_pool::block_on::{{closure}}::h7353f6f02d16643f [INFO] [stdout] 20: 0x56132a2a15ed - futures_executor::local_pool::run_executor::{{closure}}::hf76a53fc248fd198 [INFO] [stdout] 21: 0x56132a2a1957 - std::thread::local::LocalKey::try_with::hf5f8cebb2c5eae9e [INFO] [stdout] 22: 0x56132a2a1879 - std::thread::local::LocalKey::with::h379b8b06446d2ee7 [INFO] [stdout] 23: 0x56132a2a1546 - futures_executor::local_pool::run_executor::h2ef83b0a43eb51c3 [INFO] [stdout] 24: 0x56132a2a1683 - futures_executor::local_pool::block_on::h159862f6df1e56cf [INFO] [stdout] 25: 0x56132a2a4ed5 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 26: 0x56132a2a1d83 - core::ops::function::FnOnce::call_once::ha451af22024e1864 [INFO] [stdout] 27: 0x56132a2a1719 - std::sys_common::backtrace::__rust_begin_short_backtrace::hefd8e56bf97a4afd [INFO] [stdout] 28: 0x56132a2a1849 - std::rt::lang_start::{{closure}}::hee13be5f96bd7848 [INFO] [stdout] 29: 0x56132a2fa297 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 30: 0x56132a2fa297 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 31: 0x56132a2fa297 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 32: 0x56132a2fa297 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 33: 0x56132a2fa297 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25 [INFO] [stdout] 34: 0x56132a2a1828 - std::rt::lang_start::h290408a3f91c6d5a [INFO] [stdout] 35: 0x56132a2a557b - main [INFO] [stdout] 36: 0x7ff749c180b3 - __libc_start_main [INFO] [stdout] 37: 0x56132a29f0ae - _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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f63c16ac69b98e487ae742a0ca8094c51dcec94eaf0f6e1b8b6a2cc4b4cea827", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f63c16ac69b98e487ae742a0ca8094c51dcec94eaf0f6e1b8b6a2cc4b4cea827", kill_on_drop: false }` [INFO] [stdout] f63c16ac69b98e487ae742a0ca8094c51dcec94eaf0f6e1b8b6a2cc4b4cea827