[INFO] fetching crate freds 0.1.2...
[INFO] testing freds-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate freds 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate freds 0.1.2
[INFO] finished tweaking crates.io crate freds 0.1.2
[INFO] tweaked toml for crates.io crate freds 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate freds 0.1.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d158d205a829426f8858aee99ccd64d5152dc23df30d66c1efff042ede40c9a0
[INFO] running `Command { std: "docker" "start" "-a" "d158d205a829426f8858aee99ccd64d5152dc23df30d66c1efff042ede40c9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d158d205a829426f8858aee99ccd64d5152dc23df30d66c1efff042ede40c9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d158d205a829426f8858aee99ccd64d5152dc23df30d66c1efff042ede40c9a0", kill_on_drop: false }`
[INFO] [stdout] d158d205a829426f8858aee99ccd64d5152dc23df30d66c1efff042ede40c9a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1b1bdec8e7bcaa781d91d457a1bced70f4518e595d63d014d2ea7800aa2c42d9
[INFO] running `Command { std: "docker" "start" "-a" "1b1bdec8e7bcaa781d91d457a1bced70f4518e595d63d014d2ea7800aa2c42d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling freds v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "1b1bdec8e7bcaa781d91d457a1bced70f4518e595d63d014d2ea7800aa2c42d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1bdec8e7bcaa781d91d457a1bced70f4518e595d63d014d2ea7800aa2c42d9", kill_on_drop: false }`
[INFO] [stdout] 1b1bdec8e7bcaa781d91d457a1bced70f4518e595d63d014d2ea7800aa2c42d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 63d1e22cf30875761079519553827fb8d30d5b03f183e4111b95358ae4f1ed66
[INFO] running `Command { std: "docker" "start" "-a" "63d1e22cf30875761079519553827fb8d30d5b03f183e4111b95358ae4f1ed66", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling freds v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.99s
[INFO] running `Command { std: "docker" "inspect" "63d1e22cf30875761079519553827fb8d30d5b03f183e4111b95358ae4f1ed66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d1e22cf30875761079519553827fb8d30d5b03f183e4111b95358ae4f1ed66", kill_on_drop: false }`
[INFO] [stdout] 63d1e22cf30875761079519553827fb8d30d5b03f183e4111b95358ae4f1ed66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ee763587281f67e53ff8c5a8e86f37ab1b4fac306cddd8cbf35e48988974b470
[INFO] running `Command { std: "docker" "start" "-a" "ee763587281f67e53ff8c5a8e86f37ab1b4fac306cddd8cbf35e48988974b470", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/freds-1eb0cd33da4d23bf)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test implementations::serde_json::any ... ok
[INFO] [stdout] test implementations::serde_json::from_file_simple ... ok
[INFO] [stdout] test implementations::serde_json::from_file_jsonorg ... ok
[INFO] [stdout] test implementations::serde_json::to_file_simple ... FAILED
[INFO] [stdout] test implementations::serde_json::to_file_jsonorg ... FAILED
[INFO] [stdout] test implementations::serde_json::write_book ... ok
[INFO] [stdout] test implementations::serde_json::to_file_book ... FAILED
[INFO] [stdout] test implementations::serde_json::to_file_misc ... FAILED
[INFO] [stdout] test implementations::serde_json::write_misc ... ok
[INFO] [stdout] test implementations::serde_json::from_file_book ... ok
[INFO] [stdout] test implementations::serde_json::from_file_misc ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- implementations::serde_json::to_file_simple stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'implementations::serde_json::to_file_simple' panicked at src/implementations/serde_json/mod.rs:202:65:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x711789d681d2 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x711789d681d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x711789d681d2 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x711789d681d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb62c8ed31943daa5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x711789da30b3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x711789da30b3 - core::fmt::write::h375399f8cb90b45a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25
[INFO] [stdout]    6:     0x711789d654c3 - std::io::default_write_fmt::hdc1b4dd565dd0099
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x711789d654c3 - std::io::Write::write_fmt::h29f6044e9bc43c23
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x711789d68022 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x711789d6979c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x711789d695f2 - std::panicking::default_hook::h8c8a86b4390ab794
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x711789ca45f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha39ae63ed1e9a130
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   12:     0x711789ca45f4 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x711789d6a123 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h96b7201b552e9069
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   14:     0x711789d6a123 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x711789d69eea - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x711789d686c9 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x711789d69b7d - __rustc[f4ffc7196a45a630]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x711789c29550 - core::panicking::panic_fmt::h8cdd4c81eb9069aa
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x711789c29a16 - core::result::unwrap_failed::h8476ffaa6db8205b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x711789c57b22 - core::result::Result<T,E>::unwrap::h9bcba6d83b1f808a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x711789c57b22 - freds::implementations::serde_json::to_file_simple::hbe93832ffd090a42
[INFO] [stdout]                                at /opt/rustwide/workdir/src/implementations/serde_json/mod.rs:202:65
[INFO] [stdout]   22:     0x711789c57817 - freds::implementations::serde_json::to_file_simple::{{closure}}::h696c6591d947e1ab
[INFO] [stdout]                                at /opt/rustwide/workdir/src/implementations/serde_json/mod.rs:198:20
[INFO] [stdout]   23:     0x711789c69b66 - core::ops::function::FnOnce::call_once::h9f5d38bdf71a9230
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x711789ca9ceb - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x711789ca9ceb - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x711789ca8f5e - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x711789ca8f5e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x711789ca8f5e - std::panicking::catch_unwind::do_call::hf4843906108d6299
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x711789ca8f5e - std::panicking::catch_unwind::h849d4e8b03577bb9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x711789ca8f5e - std::panic::catch_unwind::ha1f814c1dec025d2
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x711789ca8f5e - test::run_test_in_process::h542aad3fe61255e7
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x711789ca8f5e - test::run_test::{{closure}}::h612788d75908cb63
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x711789c6dde4 - test::run_test::{{closure}}::hbfeea3bcb7245123
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x711789c6dde4 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x711789c715da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x711789c715da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x711789c715da - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x711789c715da - std::panicking::catch_unwind::h454dd49873d22e18
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x711789c715da - std::panic::catch_unwind::h5c15187324f8cebb
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x711789c715da - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x711789c715da - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x711789d6cc07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2d6e2e526b02c3da
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   43:     0x711789d6cc07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1aefced482b33c72
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   44:     0x711789d6cc07 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout] 
[INFO] [stdout] ---- implementations::serde_json::to_file_jsonorg stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'implementations::serde_json::to_file_jsonorg' panicked at src/implementations/serde_json/mod.rs:211:66:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x711789d681d2 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x711789d681d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x711789d681d2 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x711789d681d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb62c8ed31943daa5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x711789da30b3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x711789da30b3 - core::fmt::write::h375399f8cb90b45a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25
[INFO] [stdout]    6:     0x711789d654c3 - std::io::default_write_fmt::hdc1b4dd565dd0099
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x711789d654c3 - std::io::Write::write_fmt::h29f6044e9bc43c23
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x711789d68022 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x711789d6979c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x711789d695f2 - std::panicking::default_hook::h8c8a86b4390ab794
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x711789ca45f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha39ae63ed1e9a130
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   12:     0x711789ca45f4 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x711789d6a123 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h96b7201b552e9069
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   14:     0x711789d6a123 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x711789d69eea - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x711789d686c9 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x711789d69b7d - __rustc[f4ffc7196a45a630]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x711789c29550 - core::panicking::panic_fmt::h8cdd4c81eb9069aa
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x711789c29a16 - core::result::unwrap_failed::h8476ffaa6db8205b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x711789c57ee3 - core::result::Result<T,E>::unwrap::h9bcba6d83b1f808a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x711789c57ee3 - freds::implementations::serde_json::to_file_jsonorg::hceda1d17c30b9a38
[INFO] [stdout]                                at /opt/rustwide/workdir/src/implementations/serde_json/mod.rs:211:66
[INFO] [stdout]   22:     0x711789c57d47 - freds::implementations::serde_json::to_file_jsonorg::{{closure}}::hb09ddd55511b9222
[INFO] [stdout]                                at /opt/rustwide/workdir/src/implementations/serde_json/mod.rs:207:21
[INFO] [stdout]   23:     0x711789c698e6 - core::ops::function::FnOnce::call_once::h3b1f11bd5de7e481
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x711789ca9ceb - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x711789ca9ceb - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x711789ca8f5e - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x711789ca8f5e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x711789ca8f5e - std::panicking::catch_unwind::do_call::hf4843906108d6299
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x711789ca8f5e - std::panicking::catch_unwind::h849d4e8b03577bb9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x711789ca8f5e - std::panic::catch_unwind::ha1f814c1dec025d2
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x711789ca8f5e - test::run_test_in_process::h542aad3fe61255e7
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x711789ca8f5e - test::run_test::{{closure}}::h612788d75908cb63
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x711789c6dde4 - test::run_test::{{closure}}::hbfeea3bcb7245123
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x711789c6dde4 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x711789c715da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x711789c715da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x711789c715da - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x711789c715da - std::panicking::catch_unwind::h454dd49873d22e18
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x711789c715da - std::panic::catch_unwind::h5c15187324f8cebb
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x711789c715da - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x711789c715da - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x711789d6cc07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2d6e2e526b02c3da
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   43:     0x711789d6cc07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1aefced482b33c72
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   44:     0x711789d6cc07 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout] 
[INFO] [stdout] ---- implementations::serde_json::to_file_book stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'implementations::serde_json::to_file_book' panicked at src/implementations/serde_json/mod.rs:184:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x711789d681d2 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x711789d681d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x711789d681d2 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x711789d681d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb62c8ed31943daa5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x711789da30b3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x711789da30b3 - core::fmt::write::h375399f8cb90b45a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25
[INFO] [stdout]    6:     0x711789d654c3 - std::io::default_write_fmt::hdc1b4dd565dd0099
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x711789d654c3 - std::io::Write::write_fmt::h29f6044e9bc43c23
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x711789d68022 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x711789d6979c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x711789d695f2 - std::panicking::default_hook::h8c8a86b4390ab794
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x711789ca45f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha39ae63ed1e9a130
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   12:     0x711789ca45f4 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x711789d6a123 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h96b7201b552e9069
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   14:     0x711789d6a123 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x711789d69eea - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x711789d686c9 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x711789d69b7d - __rustc[f4ffc7196a45a630]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x711789c29550 - core::panicking::panic_fmt::h8cdd4c81eb9069aa
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x711789c29a16 - core::result::unwrap_failed::h8476ffaa6db8205b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x711789c57253 - core::result::Result<T,E>::unwrap::h9bcba6d83b1f808a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x711789c57253 - freds::implementations::serde_json::to_file_book::h7eea62fe358f05ad
[INFO] [stdout]                                at /opt/rustwide/workdir/src/implementations/serde_json/mod.rs:184:63
[INFO] [stdout]   22:     0x711789c570b7 - freds::implementations::serde_json::to_file_book::{{closure}}::hcbec95605639e68b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/implementations/serde_json/mod.rs:180:18
[INFO] [stdout]   23:     0x711789c69a56 - core::ops::function::FnOnce::call_once::h73f74bef917c57c5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x711789ca9ceb - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x711789ca9ceb - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x711789ca8f5e - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x711789ca8f5e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x711789ca8f5e - std::panicking::catch_unwind::do_call::hf4843906108d6299
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x711789ca8f5e - std::panicking::catch_unwind::h849d4e8b03577bb9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x711789ca8f5e - std::panic::catch_unwind::ha1f814c1dec025d2
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x711789ca8f5e - test::run_test_in_process::h542aad3fe61255e7
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x711789ca8f5e - test::run_test::{{closure}}::h612788d75908cb63
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x711789c6dde4 - test::run_test::{{closure}}::hbfeea3bcb7245123
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x711789c6dde4 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x711789c715da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x711789c715da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x711789c715da - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x711789c715da - std::panicking::catch_unwind::h454dd49873d22e18
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x711789c715da - std::panic::catch_unwind::h5c15187324f8cebb
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x711789c715da - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x711789c715da - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x711789d6cc07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2d6e2e526b02c3da
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   43:     0x711789d6cc07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1aefced482b33c72
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   44:     0x711789d6cc07 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout] 
[INFO] [stdout] ---- implementations::serde_json::to_file_misc stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'implementations::serde_json::to_file_misc' panicked at src/implementations/serde_json/mod.rs:193:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x711789d681d2 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x711789d681d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x711789d681d2 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x711789d681d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb62c8ed31943daa5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x711789da30b3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x711789da30b3 - core::fmt::write::h375399f8cb90b45a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25
[INFO] [stdout]    6:     0x711789d654c3 - std::io::default_write_fmt::hdc1b4dd565dd0099
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x711789d654c3 - std::io::Write::write_fmt::h29f6044e9bc43c23
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x711789d68022 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x711789d6979c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x711789d695f2 - std::panicking::default_hook::h8c8a86b4390ab794
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x711789ca45f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha39ae63ed1e9a130
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   12:     0x711789ca45f4 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x711789d6a123 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h96b7201b552e9069
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   14:     0x711789d6a123 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x711789d69eea - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x711789d686c9 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x711789d69b7d - __rustc[f4ffc7196a45a630]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x711789c29550 - core::panicking::panic_fmt::h8cdd4c81eb9069aa
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x711789c29a16 - core::result::unwrap_failed::h8476ffaa6db8205b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x711789c57603 - core::result::Result<T,E>::unwrap::h9bcba6d83b1f808a
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x711789c57603 - freds::implementations::serde_json::to_file_misc::ha7f22123527c844a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/implementations/serde_json/mod.rs:193:63
[INFO] [stdout]   22:     0x711789c57467 - freds::implementations::serde_json::to_file_misc::{{closure}}::h009d3caac5cbab12
[INFO] [stdout]                                at /opt/rustwide/workdir/src/implementations/serde_json/mod.rs:189:18
[INFO] [stdout]   23:     0x711789c69876 - core::ops::function::FnOnce::call_once::h1e147a72735d8b1e
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x711789ca9ceb - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x711789ca9ceb - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x711789ca8f5e - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x711789ca8f5e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x711789ca8f5e - std::panicking::catch_unwind::do_call::hf4843906108d6299
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x711789ca8f5e - std::panicking::catch_unwind::h849d4e8b03577bb9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x711789ca8f5e - std::panic::catch_unwind::ha1f814c1dec025d2
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x711789ca8f5e - test::run_test_in_process::h542aad3fe61255e7
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x711789ca8f5e - test::run_test::{{closure}}::h612788d75908cb63
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x711789c6dde4 - test::run_test::{{closure}}::hbfeea3bcb7245123
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x711789c6dde4 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x711789c715da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x711789c715da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x711789c715da - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x711789c715da - std::panicking::catch_unwind::h454dd49873d22e18
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x711789c715da - std::panic::catch_unwind::h5c15187324f8cebb
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x711789c715da - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   41:     0x711789c715da - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x711789d6cc07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2d6e2e526b02c3da
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   43:     0x711789d6cc07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1aefced482b33c72
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   44:     0x711789d6cc07 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d
[INFO] [stdout]                                at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     implementations::serde_json::to_file_book
[INFO] [stdout]     implementations::serde_json::to_file_jsonorg
[INFO] [stdout]     implementations::serde_json::to_file_misc
[INFO] [stdout]     implementations::serde_json::to_file_simple
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee763587281f67e53ff8c5a8e86f37ab1b4fac306cddd8cbf35e48988974b470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee763587281f67e53ff8c5a8e86f37ab1b4fac306cddd8cbf35e48988974b470", kill_on_drop: false }`
[INFO] [stdout] ee763587281f67e53ff8c5a8e86f37ab1b4fac306cddd8cbf35e48988974b470