[INFO] updating cached repository https://github.com/paul-hammant/merkle-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 046e888ea07c5555245e30a7bbd7cec0b6e24a18 [INFO] testing paul-hammant/merkle-rust against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaul-hammant%2Fmerkle-rust" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/paul-hammant/merkle-rust on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/paul-hammant/merkle-rust [INFO] finished tweaking git repo https://github.com/paul-hammant/merkle-rust [INFO] tweaked toml for git repo https://github.com/paul-hammant/merkle-rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/paul-hammant/merkle-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "+beta-2020-06-03" "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] 025c5645523b46c936de0c1fa6ba713f72c43603f64c039de8949c8a6ab155f8 [INFO] running `"docker" "start" "-a" "025c5645523b46c936de0c1fa6ba713f72c43603f64c039de8949c8a6ab155f8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.10 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling want v0.0.4 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling notify v4.0.15 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling hyper v0.11.27 [INFO] [stderr] Compiling simple_merkle_tree_demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::sync::Mutex` [INFO] [stderr] --> src/server.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use std::sync::Mutex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server.rs:43:23 [INFO] [stderr] | [INFO] [stderr] 43 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `why` [INFO] [stderr] --> src/server.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | Err(why) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.85s [INFO] running `"docker" "inspect" "025c5645523b46c936de0c1fa6ba713f72c43603f64c039de8949c8a6ab155f8"` [INFO] running `"docker" "rm" "-f" "025c5645523b46c936de0c1fa6ba713f72c43603f64c039de8949c8a6ab155f8"` [INFO] [stdout] 025c5645523b46c936de0c1fa6ba713f72c43603f64c039de8949c8a6ab155f8 [INFO] running `"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" "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" "+beta-2020-06-03" "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] 7db7c3029c49269b06858e830440a09ab889828aa0031ea0b5cdc94708a72759 [INFO] running `"docker" "start" "-a" "7db7c3029c49269b06858e830440a09ab889828aa0031ea0b5cdc94708a72759"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling simple_merkle_tree_demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::sync::Mutex` [INFO] [stderr] --> src/server.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use std::sync::Mutex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server.rs:43:23 [INFO] [stderr] | [INFO] [stderr] 43 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `why` [INFO] [stderr] --> src/server.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | Err(why) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.33s [INFO] running `"docker" "inspect" "7db7c3029c49269b06858e830440a09ab889828aa0031ea0b5cdc94708a72759"` [INFO] running `"docker" "rm" "-f" "7db7c3029c49269b06858e830440a09ab889828aa0031ea0b5cdc94708a72759"` [INFO] [stdout] 7db7c3029c49269b06858e830440a09ab889828aa0031ea0b5cdc94708a72759 [INFO] running `"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" "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" "+beta-2020-06-03" "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] 8142a832e86f59547d87c1f4baa51feb2827aa97ad021bead99ffabccbed9c11 [INFO] running `"docker" "start" "-a" "8142a832e86f59547d87c1f4baa51feb2827aa97ad021bead99ffabccbed9c11"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::sync::Mutex` [INFO] [stderr] --> src/server.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use std::sync::Mutex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server.rs:43:23 [INFO] [stderr] | [INFO] [stderr] 43 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `why` [INFO] [stderr] --> src/server.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | Err(why) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.30s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/simple_merkle_tree_demo-0d98e4f665cce643 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] thread '' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/main.rs:61:20 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d8625ee3a5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55d8625ee3a5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55d8625ee3a5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55d8625ee3a5 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55d86261700c - core::fmt::write::h935cb0ed4078a853 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55d8625ea273 - std::io::Write::write_fmt::hc912aacf8d691eb3 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55d8625f0be0 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55d8625f0be0 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55d8625f0be0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55d8625f092c - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55d8625f1217 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x55d8625f0e1b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 12: 0x55d8626159a1 - core::panicking::panic_fmt::habd7df443069602c [INFO] [stderr] at src/libcore/panicking.rs:101 [INFO] [stderr] 13: 0x55d8626157c3 - core::option::expect_none_failed::h721078758a086285 [INFO] [stderr] at src/libcore/option.rs:1272 [INFO] [stderr] 14: 0x55d8623ae9eb - core::result::Result::unwrap::h69c5c67247d56e21 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55d8623a5503 - simple_merkle_tree_demo::write_contents::h3550305f13346444 [INFO] [stderr] at src/main.rs:61 [INFO] [stderr] 16: 0x55d8623a5d9c - simple_merkle_tree_demo::process_directory::h9142abc8118aebc1 [INFO] [stderr] at src/main.rs:83 [INFO] [stderr] 17: 0x55d8623a5a00 - simple_merkle_tree_demo::process_directory::h9142abc8118aebc1 [INFO] [stderr] at src/main.rs:78 [INFO] [stderr] 18: 0x55d8623a5a00 - simple_merkle_tree_demo::process_directory::h9142abc8118aebc1 [INFO] [stderr] at src/main.rs:78 [INFO] [stderr] 19: 0x55d8623a5a00 - simple_merkle_tree_demo::process_directory::h9142abc8118aebc1 [INFO] [stderr] at src/main.rs:78 [INFO] [stderr] 20: 0x55d8623a5a00 - simple_merkle_tree_demo::process_directory::h9142abc8118aebc1 [INFO] [stderr] at src/main.rs:78 [INFO] [stderr] 21: 0x55d8623a6413 - simple_merkle_tree_demo::run::h6ee09648a39d12a7 [INFO] [stderr] at src/main.rs:101 [INFO] [stderr] 22: 0x55d8623b09d5 - simple_merkle_tree_demo::test::integration_test::{{closure}}::h4988e5231b7653bd [INFO] [stderr] at src/test.rs:81 [INFO] [stderr] 23: 0x55d8623b09e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h58f136b5064278de [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 24: 0x55d8623ac0f6 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h6a8f1ed7d9ea911a [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475 [INFO] [stderr] 25: 0x55d86239fab9 - as core::ops::function::FnOnce<()>>::call_once::h69736e17e58dd96a [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stderr] 26: 0x55d8623a202c - std::panicking::try::do_call::h417e7aeaac12f04b [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stderr] 27: 0x55d8623a339d - __rust_try [INFO] [stderr] 28: 0x55d8623a1fa4 - std::panicking::try::h20ebd2bf13349648 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stderr] 29: 0x55d86239fac9 - std::panic::catch_unwind::h05d02933fe220bff [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stderr] 30: 0x55d8623abf19 - std::thread::Builder::spawn_unchecked::{{closure}}::hdacf50885b60d774 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474 [INFO] [stderr] 31: 0x55d8623a0088 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha8e9a209b7e4c203 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stderr] 32: 0x55d8625f7e7a - as core::ops::function::FnOnce>::call_once::hfc5c0e64036d1b09 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stderr] 33: 0x55d8625f7e7a - as core::ops::function::FnOnce>::call_once::hf3d73184efc070c1 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stderr] 34: 0x55d8625f7e7a - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 35: 0x7fbb7ce58609 - start_thread [INFO] [stderr] 36: 0x7fbb7cd64103 - __clone [INFO] [stderr] 37: 0x0 - [INFO] [stdout] test test::integration_test ... test test::integration_test has been running for over 60 seconds [INFO] [stdout] test test::integration_test ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::integration_test stdout ---- [INFO] [stdout] thread 'test::integration_test' panicked at 'Timed out while waiting for file "data/.sha1" to be created', src/test.rs:35:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55d8625ee3a5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55d8625ee3a5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55d8625ee3a5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55d8625ee3a5 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55d86261700c - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55d8623b2e55 - std::io::Write::write_fmt::h944a31ab04b0dfe4 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55d8625e7cd1 - std::io::impls::>::write_fmt::h6bd94c41a9c566d2 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55d8625f0be0 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55d8625f0be0 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55d8625f0be0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55d8625f08da - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55d8625f1217 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55d8625f0e1b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x55d8625f0d8b - std::panicking::begin_panic_fmt::h3ec91017ffedff5c [INFO] [stdout] at src/libstd/panicking.rs:342 [INFO] [stdout] 14: 0x55d8623af8f3 - simple_merkle_tree_demo::test::wait_for_file_to_exist::hfe9b0ab81588b12e [INFO] [stdout] at src/test.rs:35 [INFO] [stdout] 15: 0x55d8623b0390 - simple_merkle_tree_demo::test::integration_test::h22da1c051d86007d [INFO] [stdout] at src/test.rs:88 [INFO] [stdout] 16: 0x55d8623affca - simple_merkle_tree_demo::test::integration_test::{{closure}}::h6436d8b85116c4ac [INFO] [stdout] at src/test.rs:69 [INFO] [stdout] 17: 0x55d8623a025e - core::ops::function::FnOnce::call_once::hd8b38aabaa750612 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 18: 0x55d8623da242 - as core::ops::function::FnOnce>::call_once::hd23431bd7b767a0c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 19: 0x55d8623da242 - as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 20: 0x55d8623da242 - std::panicking::try::do_call::haee67871ebe8ee92 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 21: 0x55d8623da242 - std::panicking::try::hcba534043f17f42d [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 22: 0x55d8623da242 - std::panic::catch_unwind::h6908c2ae7517b434 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 23: 0x55d8623da242 - test::run_test_in_process::h66277a63b8267865 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 24: 0x55d8623da242 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 25: 0x55d8623b2316 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 26: 0x55d8623b78b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475 [INFO] [stdout] 27: 0x55d8623b78b5 - as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 28: 0x55d8623b78b5 - std::panicking::try::do_call::h4b45bcf4d5d82a80 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 29: 0x55d8623b78b5 - std::panicking::try::h297c0c407d3f8196 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 30: 0x55d8623b78b5 - std::panic::catch_unwind::h877baa9fbef2eafe [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 31: 0x55d8623b78b5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474 [INFO] [stdout] 32: 0x55d8623b78b5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 33: 0x55d8625f7e7a - as core::ops::function::FnOnce>::call_once::hfc5c0e64036d1b09 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 34: 0x55d8625f7e7a - as core::ops::function::FnOnce>::call_once::hf3d73184efc070c1 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 35: 0x55d8625f7e7a - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 36: 0x7fbb7ce58609 - start_thread [INFO] [stdout] 37: 0x7fbb7cd64103 - __clone [INFO] [stdout] 38: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::integration_test [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 '--bin simple_merkle_tree_demo' [INFO] running `"docker" "inspect" "8142a832e86f59547d87c1f4baa51feb2827aa97ad021bead99ffabccbed9c11"` [INFO] running `"docker" "rm" "-f" "8142a832e86f59547d87c1f4baa51feb2827aa97ad021bead99ffabccbed9c11"` [INFO] [stdout] 8142a832e86f59547d87c1f4baa51feb2827aa97ad021bead99ffabccbed9c11