[INFO] crate fut 0.1.3 is already in cache [INFO] testing fut-0.1.3 against 1.44.0 for beta-1.45-1 [INFO] extracting crate fut 0.1.3 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate fut 0.1.3 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 fut 0.1.3 [INFO] finished tweaking crates.io crate fut 0.1.3 [INFO] tweaked toml for crates.io crate fut 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-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" "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] 6cc8fb05eef2873d3cca312db3c1c9c9a90bf7fd6c026cab5f3e4a8063047d03 [INFO] running `"docker" "start" "-a" "6cc8fb05eef2873d3cca312db3c1c9c9a90bf7fd6c026cab5f3e4a8063047d03"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling fut v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `"docker" "inspect" "6cc8fb05eef2873d3cca312db3c1c9c9a90bf7fd6c026cab5f3e4a8063047d03"` [INFO] running `"docker" "rm" "-f" "6cc8fb05eef2873d3cca312db3c1c9c9a90bf7fd6c026cab5f3e4a8063047d03"` [INFO] [stdout] 6cc8fb05eef2873d3cca312db3c1c9c9a90bf7fd6c026cab5f3e4a8063047d03 [INFO] running `"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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fe5ccaf807090179bd0d510c8c19767de6186f4285908692803935f45377e1f1 [INFO] running `"docker" "start" "-a" "fe5ccaf807090179bd0d510c8c19767de6186f4285908692803935f45377e1f1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling fut v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `"docker" "inspect" "fe5ccaf807090179bd0d510c8c19767de6186f4285908692803935f45377e1f1"` [INFO] running `"docker" "rm" "-f" "fe5ccaf807090179bd0d510c8c19767de6186f4285908692803935f45377e1f1"` [INFO] [stdout] fe5ccaf807090179bd0d510c8c19767de6186f4285908692803935f45377e1f1 [INFO] running `"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" "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] e6e297bfa549e668f4b47eb04212574cd65c4455469abfeb73574576330771f4 [INFO] running `"docker" "start" "-a" "e6e297bfa549e668f4b47eb04212574cd65c4455469abfeb73574576330771f4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fut-6bd8712ef250e33f [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::it_can_store_into_map ... ok [INFO] [stdout] test tests::it_opens_file_as_a_string ... ok [INFO] [stdout] test tests::it_can_create_a_duplicate_entry_if_id_not_found_and_find_duplicates ... ok [INFO] [stdout] test tests::it_replaces_string_contents ... ok [INFO] [stdout] test tests::it_stacks_chars_into_vec ... ok [INFO] [stdout] test tests::it_stacks_lines_into_vec ... ok [INFO] [stdout] test tests::it_reads_and_writes_a_large_file ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::it_reads_and_writes_a_large_file stdout ---- [INFO] [stdout] thread 'tests::it_reads_and_writes_a_large_file' panicked at 'file not found: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:44:20 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c761608ea4 - 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: 0x55c761608ea4 - 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: 0x55c761608ea4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55c761608ea4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55c761631aec - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55c7615bcb85 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55c761603491 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55c76160b775 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55c76160b775 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55c76160b775 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55c76160b45b - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55c76160bdd2 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55c76160b9bb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x55c761630511 - core::panicking::panic_fmt::h1ac71ad045d55416 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x55c761630333 - core::option::expect_none_failed::hb40004d71d61b685 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x55c7615b07a9 - core::result::Result::expect::h8eb9b6ad1efb94c4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55c7615a942b - fut::write_file::hce6f8ba9e4ecfe54 [INFO] [stdout] at src/lib.rs:44 [INFO] [stdout] 17: 0x55c7615b5f34 - fut::tests::it_reads_and_writes_a_large_file::h85b8b91e45664792 [INFO] [stdout] at src/lib.rs:191 [INFO] [stdout] 18: 0x55c7615b5eca - fut::tests::it_reads_and_writes_a_large_file::{{closure}}::h328a48ceb5895ee7 [INFO] [stdout] at src/lib.rs:188 [INFO] [stdout] 19: 0x55c7615ab57e - core::ops::function::FnOnce::call_once::hc5c169dc49b5ed97 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x55c7615e4016 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 21: 0x55c7615e4016 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x55c7615e4016 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 23: 0x55c7615e4016 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x55c7615e4016 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x55c7615e4016 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x55c7615e4016 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x55c7615bc036 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x55c7615c13c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x55c7615c13c5 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x55c7615c13c5 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 31: 0x55c7615c13c5 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x55c7615c13c5 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x55c7615c13c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x55c7615c13c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x55c7616125ba - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x55c7616125ba - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 37: 0x55c7616125ba - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f51bb781609 - start_thread [INFO] [stdout] 39: 0x7f51bb68d103 - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::it_reads_and_writes_a_large_file [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 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" "e6e297bfa549e668f4b47eb04212574cd65c4455469abfeb73574576330771f4"` [INFO] running `"docker" "rm" "-f" "e6e297bfa549e668f4b47eb04212574cd65c4455469abfeb73574576330771f4"` [INFO] [stdout] e6e297bfa549e668f4b47eb04212574cd65c4455469abfeb73574576330771f4