[INFO] crate flatten_dir 0.1.0 is already in cache [INFO] testing flatten_dir-0.1.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate flatten_dir 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate flatten_dir 0.1.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate flatten_dir 0.1.0 [INFO] finished tweaking crates.io crate flatten_dir 0.1.0 [INFO] tweaked toml for crates.io crate flatten_dir 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate flatten_dir 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "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] 954b305c1f05eca16a743d2a5b88186fb8e0579b299ad45c65b9382ef46e38bc [INFO] running `"docker" "start" "-a" "954b305c1f05eca16a743d2a5b88186fb8e0579b299ad45c65b9382ef46e38bc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling flatten_dir v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `"docker" "inspect" "954b305c1f05eca16a743d2a5b88186fb8e0579b299ad45c65b9382ef46e38bc"` [INFO] running `"docker" "rm" "-f" "954b305c1f05eca16a743d2a5b88186fb8e0579b299ad45c65b9382ef46e38bc"` [INFO] [stdout] 954b305c1f05eca16a743d2a5b88186fb8e0579b299ad45c65b9382ef46e38bc [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] c9bc3f967791cd2165939375c629dbe05c2048b61dafa3fe8a1016b74b929016 [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" "c9bc3f967791cd2165939375c629dbe05c2048b61dafa3fe8a1016b74b929016"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling flatten_dir v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "c9bc3f967791cd2165939375c629dbe05c2048b61dafa3fe8a1016b74b929016"` [INFO] running `"docker" "rm" "-f" "c9bc3f967791cd2165939375c629dbe05c2048b61dafa3fe8a1016b74b929016"` [INFO] [stdout] c9bc3f967791cd2165939375c629dbe05c2048b61dafa3fe8a1016b74b929016 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "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] 65362666e41b0170b33a8f7e629529856f06dfa7d0eb5ebf44b58adca0ba1175 [INFO] running `"docker" "start" "-a" "65362666e41b0170b33a8f7e629529856f06dfa7d0eb5ebf44b58adca0ba1175"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/flatten_dir-c869cd8eaa94fe96 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::test_flatten ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::test_flatten stdout ---- [INFO] [stdout] thread 'test::test_flatten' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:75:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x556429f032d4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x556429f032d4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x556429f032d4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x556429f032d4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x556429f2cf9c - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x556429eb5dd5 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x556429efd101 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x556429f06105 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x556429f06105 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x556429f06105 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x556429f05deb - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x556429f06762 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x556429f0634b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x556429f2b9c1 - core::panicking::panic_fmt::h1ac71ad045d55416 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x556429f2b7e3 - core::option::expect_none_failed::hb40004d71d61b685 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x556429eb14e0 - core::result::Result::unwrap::he6c85d1b976d2e6d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x556429eae726 - flatten_dir::test::test_flatten::h17d65731598bee5d [INFO] [stdout] at src/lib.rs:75 [INFO] [stdout] 17: 0x556429eae6da - flatten_dir::test::test_flatten::{{closure}}::h865284389a250b6c [INFO] [stdout] at src/lib.rs:74 [INFO] [stdout] 18: 0x556429eab78e - core::ops::function::FnOnce::call_once::h1669a44aca6f97a7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 19: 0x556429edd266 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 20: 0x556429edd266 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 21: 0x556429edd266 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 22: 0x556429edd266 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 23: 0x556429edd266 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x556429edd266 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 25: 0x556429edd266 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 26: 0x556429eb5286 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 27: 0x556429eba615 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 28: 0x556429eba615 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 29: 0x556429eba615 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 30: 0x556429eba615 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 31: 0x556429eba615 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 32: 0x556429eba615 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 33: 0x556429eba615 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 34: 0x556429f0da6a - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 35: 0x556429f0da6a - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x556429f0da6a - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 37: 0x7f2367ec0609 - start_thread [INFO] [stdout] 38: 0x7f2367dcc103 - __clone [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::test_flatten [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 '--lib' [INFO] running `"docker" "inspect" "65362666e41b0170b33a8f7e629529856f06dfa7d0eb5ebf44b58adca0ba1175"` [INFO] running `"docker" "rm" "-f" "65362666e41b0170b33a8f7e629529856f06dfa7d0eb5ebf44b58adca0ba1175"` [INFO] [stdout] 65362666e41b0170b33a8f7e629529856f06dfa7d0eb5ebf44b58adca0ba1175