[INFO] fetching crate usb-disk-probe 0.1.0... [INFO] testing usb-disk-probe-0.1.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate usb-disk-probe 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate usb-disk-probe 0.1.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-6/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ddf62e946e81f52d15c0bb3865b91eab3c6c1af9bb66dbecfe394af95c1fd897 [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" "ddf62e946e81f52d15c0bb3865b91eab3c6c1af9bb66dbecfe394af95c1fd897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ddf62e946e81f52d15c0bb3865b91eab3c6c1af9bb66dbecfe394af95c1fd897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddf62e946e81f52d15c0bb3865b91eab3c6c1af9bb66dbecfe394af95c1fd897", kill_on_drop: false }` [INFO] [stdout] ddf62e946e81f52d15c0bb3865b91eab3c6c1af9bb66dbecfe394af95c1fd897 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b42c5e6f6b3e0c9f7a4d45b8f5f80def98d0099f75a033df1949151a48ebc53e [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" "b42c5e6f6b3e0c9f7a4d45b8f5f80def98d0099f75a033df1949151a48ebc53e", 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 net2 v0.2.33 [INFO] [stderr] Compiling crossbeam-channel v0.4.0 [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 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 22.21s [INFO] running `Command { std: "docker" "inspect" "b42c5e6f6b3e0c9f7a4d45b8f5f80def98d0099f75a033df1949151a48ebc53e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b42c5e6f6b3e0c9f7a4d45b8f5f80def98d0099f75a033df1949151a48ebc53e", kill_on_drop: false }` [INFO] [stdout] b42c5e6f6b3e0c9f7a4d45b8f5f80def98d0099f75a033df1949151a48ebc53e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d564e500e32fbf31300df6ff744ee8865cb59937b4dfc04cbfe8444c5136d2af [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" "d564e500e32fbf31300df6ff744ee8865cb59937b4dfc04cbfe8444c5136d2af", 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 1.48s [INFO] running `Command { std: "docker" "inspect" "d564e500e32fbf31300df6ff744ee8865cb59937b4dfc04cbfe8444c5136d2af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d564e500e32fbf31300df6ff744ee8865cb59937b4dfc04cbfe8444c5136d2af", kill_on_drop: false }` [INFO] [stdout] d564e500e32fbf31300df6ff744ee8865cb59937b4dfc04cbfe8444c5136d2af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0e0b4010d8cdac17bcda0b21ad64d56b5fc8f9b09f703d7d1eedf8e774bc75ad [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" "0e0b4010d8cdac17bcda0b21ad64d56b5fc8f9b09f703d7d1eedf8e774bc75ad", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/usb_disk_probe-6b45fb5f88fca03d [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 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: 0x55c5f2fec690 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stdout] 1: 0x55c5f2fec690 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c5f2fec690 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c5f2fec690 - ::fmt::he009dcaaa75eed60 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c5f3006e2c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x55c5f2fea002 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stdout] 6: 0x55c5f2fee9b5 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c5f2fee9b5 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c5f2fee9b5 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55c5f2fee658 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stdout] 10: 0x55c5f2fef0f1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stdout] 11: 0x55c5f2feec37 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13 [INFO] [stdout] 12: 0x55c5f2fecb4c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55c5f2feeb99 - rust_begin_unwind [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stdout] 14: 0x55c5f30061d1 - core::panicking::panic_fmt::ha0bb065d9a260792 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55c5f3005ff3 - core::option::expect_none_failed::h7e1dd0a94971eb61 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x55c5f2f93f70 - core::result::Result::unwrap::h4937faad68a810af [INFO] [stdout] 17: 0x55c5f2f9609e - rust_out::main::{{closure}}::h12ed663a8b5ccfae [INFO] [stdout] 18: 0x55c5f2f9514a - as core::future::future::Future>::poll::hc3c22be3479060f7 [INFO] [stdout] 19: 0x55c5f2f926f2 - futures_executor::local_pool::block_on::{{closure}}::h3fc825cb7d5229de [INFO] [stdout] 20: 0x55c5f2f925ed - futures_executor::local_pool::run_executor::{{closure}}::h0269fbeacb1cd4c3 [INFO] [stdout] 21: 0x55c5f2f92957 - std::thread::local::LocalKey::try_with::h95a96e061ce81297 [INFO] [stdout] 22: 0x55c5f2f92879 - std::thread::local::LocalKey::with::h0332f6309763a6b8 [INFO] [stdout] 23: 0x55c5f2f92546 - futures_executor::local_pool::run_executor::hb4c55c6baa35001d [INFO] [stdout] 24: 0x55c5f2f92683 - futures_executor::local_pool::block_on::h9967ee2d47a56794 [INFO] [stdout] 25: 0x55c5f2f95f25 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 26: 0x55c5f2f92cd3 - core::ops::function::FnOnce::call_once::h3db408b57191f4c8 [INFO] [stdout] 27: 0x55c5f2f92719 - std::sys_common::backtrace::__rust_begin_short_backtrace::h63647f327f3ebdae [INFO] [stdout] 28: 0x55c5f2f92849 - std::rt::lang_start::{{closure}}::he1e0628789bd119a [INFO] [stdout] 29: 0x55c5f2fef517 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 30: 0x55c5f2fef517 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stdout] 31: 0x55c5f2fef517 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stdout] 32: 0x55c5f2fef517 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stdout] 33: 0x55c5f2fef517 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stdout] 34: 0x55c5f2f92828 - std::rt::lang_start::hbf8fdee85d7e16e4 [INFO] [stdout] 35: 0x55c5f2f965cb - main [INFO] [stdout] 36: 0x7fe0985ee0b3 - __libc_start_main [INFO] [stdout] 37: 0x55c5f2f900ae - _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] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "0e0b4010d8cdac17bcda0b21ad64d56b5fc8f9b09f703d7d1eedf8e774bc75ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e0b4010d8cdac17bcda0b21ad64d56b5fc8f9b09f703d7d1eedf8e774bc75ad", kill_on_drop: false }` [INFO] [stdout] 0e0b4010d8cdac17bcda0b21ad64d56b5fc8f9b09f703d7d1eedf8e774bc75ad