[INFO] cloning repository https://github.com/qaoo8/simple-blockchain-by-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qaoo8/simple-blockchain-by-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaoo8%2Fsimple-blockchain-by-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaoo8%2Fsimple-blockchain-by-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 760bc3c51ab8728e7da842bbdffde73267b392db
[INFO] testing qaoo8/simple-blockchain-by-rust against nightly-2025-01-18 for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaoo8%2Fsimple-blockchain-by-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qaoo8/simple-blockchain-by-rust on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qaoo8/simple-blockchain-by-rust
[INFO] finished tweaking git repo https://github.com/qaoo8/simple-blockchain-by-rust
[INFO] tweaked toml for git repo https://github.com/qaoo8/simple-blockchain-by-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/qaoo8/simple-blockchain-by-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "start" "-a" "cc578ca3148ed97adf3f26f07039aece7f7ed2275f27f67485de2f618d841ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc578ca3148ed97adf3f26f07039aece7f7ed2275f27f67485de2f618d841ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc578ca3148ed97adf3f26f07039aece7f7ed2275f27f67485de2f618d841ed1", kill_on_drop: false }`
[INFO] [stdout] cc578ca3148ed97adf3f26f07039aece7f7ed2275f27f67485de2f618d841ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a9c5629f71fe31e78e65e26baf39616f4c0c2f03dd953f91f6e878e385e499
[INFO] running `Command { std: "docker" "start" "-a" "e8a9c5629f71fe31e78e65e26baf39616f4c0c2f03dd953f91f6e878e385e499", kill_on_drop: false }`
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[INFO] [stderr]    Compiling blockchain-rust-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.38s
[INFO] running `Command { std: "docker" "inspect" "e8a9c5629f71fe31e78e65e26baf39616f4c0c2f03dd953f91f6e878e385e499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a9c5629f71fe31e78e65e26baf39616f4c0c2f03dd953f91f6e878e385e499", kill_on_drop: false }`
[INFO] [stdout] e8a9c5629f71fe31e78e65e26baf39616f4c0c2f03dd953f91f6e878e385e499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a47610efffa012822fbe7c7e1294ecb9929a172c8eeb3dd141f3ceb707b151a
[INFO] running `Command { std: "docker" "start" "-a" "0a47610efffa012822fbe7c7e1294ecb9929a172c8eeb3dd141f3ceb707b151a", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain-rust-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/block.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let mut b = Blockchain::new().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "0a47610efffa012822fbe7c7e1294ecb9929a172c8eeb3dd141f3ceb707b151a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a47610efffa012822fbe7c7e1294ecb9929a172c8eeb3dd141f3ceb707b151a", kill_on_drop: false }`
[INFO] [stdout] 0a47610efffa012822fbe7c7e1294ecb9929a172c8eeb3dd141f3ceb707b151a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00266759523c6de97960c2bb8c2e94cd410c623c7893bcb46d3fa4528e1e3745
[INFO] running `Command { std: "docker" "start" "-a" "00266759523c6de97960c2bb8c2e94cd410c623c7893bcb46d3fa4528e1e3745", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/block.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blockchain.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut b = Blockchain::new().unwrap();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain-rust-demo` (bin "blockchain-rust-demo" test) generated 2 warnings (run `cargo fix --bin "blockchain-rust-demo" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain_rust_demo-560af6d2ecb2e0b8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test block::tests::test_blockchain ... ok
[INFO] [stdout] test blockchain::tests::test_add_block ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- blockchain::tests::test_add_block stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'blockchain::tests::test_add_block' panicked at src/blockchain.rs:186:39:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/backtrace/internal.rs:46:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/backtrace/mod.rs:121:35
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/error/error_impl.rs:19:17
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/error/mod.rs:36:18
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:2014:27
[INFO] [stdout]    5: blockchain_rust_demo::blockchain::Blockchain::new
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:29:18
[INFO] [stdout]    6: blockchain_rust_demo::blockchain::tests::test_add_block
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:186:21
[INFO] [stdout]    7: blockchain_rust_demo::blockchain::tests::test_add_block::{{closure}}
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:185:24
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   10: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]       test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   11: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]       std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]       std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   14: <unknown>
[INFO] [stdout]   15: clone
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x638ab3cf4b0a - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x638ab3cf4b0a - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x638ab3cf4b0a - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x638ab3cf4b0a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x638ab3d1e893 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x638ab3d1e893 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x638ab3cf0c43 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x638ab3cf4952 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x638ab3cf5f2f - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x638ab3cf5d48 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x638ab3be1853 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x638ab3be1853 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x638ab3cf6a23 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x638ab3cf6a23 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x638ab3cf66da - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x638ab3cf5009 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x638ab3cf636d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x638ab3d1c9e0 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x638ab3d1ce56 - core::result::unwrap_failed::h7979f09313fe1849
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1704:5
[INFO] [stdout]   19:     0x638ab3a1792a - core::result::Result<T,E>::unwrap::h77e390e7b02f1f62
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1109:23
[INFO] [stdout]   20:     0x638ab3a1792a - blockchain_rust_demo::blockchain::tests::test_add_block::h3f11808ca0b04108
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:186:21
[INFO] [stdout]   21:     0x638ab3a17897 - blockchain_rust_demo::blockchain::tests::test_add_block::{{closure}}::h4df65b7f067a68b5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:185:24
[INFO] [stdout]   22:     0x638ab3a14346 - core::ops::function::FnOnce::call_once::hc7620104d8f39212
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x638ab3be6fab - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x638ab3be6fab - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x638ab3be5ee3 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x638ab3be5ee3 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x638ab3be5ee3 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x638ab3be5ee3 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x638ab3be5ee3 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x638ab3be5ee3 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x638ab3be5ee3 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x638ab3ba8fc5 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x638ab3ba8fc5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x638ab3bac8aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x638ab3bac8aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x638ab3bac8aa - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x638ab3bac8aa - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x638ab3bac8aa - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x638ab3bac8aa - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x638ab3bac8aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x638ab3cfbdeb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   42:     0x638ab3cfbdeb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   43:     0x638ab3cfbdeb - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   44:     0x7565b4e26ac3 - <unknown>
[INFO] [stdout]   45:     0x7565b4eb7a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     blockchain::tests::test_add_block
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin blockchain-rust-demo`
[INFO] running `Command { std: "docker" "inspect" "00266759523c6de97960c2bb8c2e94cd410c623c7893bcb46d3fa4528e1e3745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00266759523c6de97960c2bb8c2e94cd410c623c7893bcb46d3fa4528e1e3745", kill_on_drop: false }`
[INFO] [stdout] 00266759523c6de97960c2bb8c2e94cd410c623c7893bcb46d3fa4528e1e3745
