[INFO] cloning repository https://github.com/gh0xFF/graph_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gh0xFF/graph_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgh0xFF%2Fgraph_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgh0xFF%2Fgraph_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bd78d644be7f4d2f3b5018658f34a7a67622751
[INFO] testing gh0xFF/graph_project against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgh0xFF%2Fgraph_project" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gh0xFF/graph_project on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gh0xFF/graph_project
[INFO] finished tweaking git repo https://github.com/gh0xFF/graph_project
[INFO] tweaked toml for git repo https://github.com/gh0xFF/graph_project written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gh0xFF/graph_project 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 851e10d6ab5f5e151258d1d2aceddd380dac31bc86983bd8819acde78aa4d865
[INFO] running `Command { std: "docker" "start" "-a" "851e10d6ab5f5e151258d1d2aceddd380dac31bc86983bd8819acde78aa4d865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "851e10d6ab5f5e151258d1d2aceddd380dac31bc86983bd8819acde78aa4d865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851e10d6ab5f5e151258d1d2aceddd380dac31bc86983bd8819acde78aa4d865", kill_on_drop: false }`
[INFO] [stdout] 851e10d6ab5f5e151258d1d2aceddd380dac31bc86983bd8819acde78aa4d865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 424297fada8e188cf206a418cf8b543c0f8e521095b7092947f3e42da78435f2
[INFO] running `Command { std: "docker" "start" "-a" "424297fada8e188cf206a418cf8b543c0f8e521095b7092947f3e42da78435f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_project v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "424297fada8e188cf206a418cf8b543c0f8e521095b7092947f3e42da78435f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424297fada8e188cf206a418cf8b543c0f8e521095b7092947f3e42da78435f2", kill_on_drop: false }`
[INFO] [stdout] 424297fada8e188cf206a418cf8b543c0f8e521095b7092947f3e42da78435f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89f3becf9c4f73aabf9d30010886a583280fbb59bc462c5410dad8430c8ccec8
[INFO] running `Command { std: "docker" "start" "-a" "89f3becf9c4f73aabf9d30010886a583280fbb59bc462c5410dad8430c8ccec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_project v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "89f3becf9c4f73aabf9d30010886a583280fbb59bc462c5410dad8430c8ccec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f3becf9c4f73aabf9d30010886a583280fbb59bc462c5410dad8430c8ccec8", kill_on_drop: false }`
[INFO] [stdout] 89f3becf9c4f73aabf9d30010886a583280fbb59bc462c5410dad8430c8ccec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2181e1633462289dfcf805da3743ccee3f25e76d3df2a7d97c9a5a4602f677e9
[INFO] running `Command { std: "docker" "start" "-a" "2181e1633462289dfcf805da3743ccee3f25e76d3df2a7d97c9a5a4602f677e9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph_project-e73861d9f56f046c)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_add_edge ... ok
[INFO] [stdout] test tests::test_breadth_first_traversal ... ok
[INFO] [stdout] test tests::test_add_vertex_i32 ... ok
[INFO] [stdout] test tests::test_add_vertex_string ... ok
[INFO] [stdout] test tests::test_remove_edge ... ok
[INFO] [stdout] test tests::test_remove_vertex ... ok
[INFO] [stdout] test tests::test_deserialize_from_tgf ... FAILED
[INFO] [stdout] test tests::test_serialize_to_tgf ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_deserialize_from_tgf stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_deserialize_from_tgf' panicked at src/lib.rs:384:55:
[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:     0x62d2e35cb472 - std::backtrace_rs::backtrace::libunwind::trace::h8d95625898284e7d
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62d2e35cb472 - std::backtrace_rs::backtrace::trace_unsynchronized::h9eafd5c61303e492
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62d2e35cb472 - std::sys::backtrace::_print_fmt::hec2578e807cc4a3f
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62d2e35cb472 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd8ebefbbcb1fe23a
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62d2e35f2873 - core::fmt::rt::Argument::fmt::h09f3c4b7b5ff5386
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/fmt/rt.rs:185:76
[INFO] [stdout]    5:     0x62d2e35f2873 - core::fmt::write::hef9d041e1d5d9592
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/fmt/mod.rs:1449:21
[INFO] [stdout]    6:     0x62d2e35c8153 - std::io::Write::write_fmt::h7cfb9383e0a29362
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/io/mod.rs:1890:15
[INFO] [stdout]    7:     0x62d2e35cb2c2 - std::sys::backtrace::BacktraceLock::print::h263d323f217ce3a7
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x62d2e35cc91a - std::panicking::default_hook::{{closure}}::h25050253f7dc0d3e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x62d2e35cc709 - std::panicking::default_hook::hf3291a4c87ea2887
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x62d2e3596067 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h51204ed24e282361
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1984:9
[INFO] [stdout]   11:     0x62d2e3596067 - test::test_main::{{closure}}::h3588678a150ab7c4
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:136:21
[INFO] [stdout]   12:     0x62d2e35cd403 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h95d63edfac47e230
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1984:9
[INFO] [stdout]   13:     0x62d2e35cd403 - std::panicking::rust_panic_with_hook::h3550dbeaa1041124
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x62d2e35cd0ba - std::panicking::begin_panic_handler::{{closure}}::hde0dd646a9e2b5b7
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x62d2e35cb969 - std::sys::backtrace::__rust_end_short_backtrace::haeb22ba48b4d728e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x62d2e35ccd4d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x62d2e35f1270 - core::panicking::panic_fmt::hca923aa694825dc3
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x62d2e35f1716 - core::result::unwrap_failed::h1fd41ecb05679f50
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/result.rs:1704:5
[INFO] [stdout]   19:     0x62d2e355aa45 - core::result::Result<T,E>::unwrap::h62626cf11332837d
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/result.rs:1109:23
[INFO] [stdout]   20:     0x62d2e355aa45 - graph_project::tests::test_deserialize_from_tgf::h29b6867859b842f1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:384:24
[INFO] [stdout]   21:     0x62d2e355a9a7 - graph_project::tests::test_deserialize_from_tgf::{{closure}}::h94f4bd6d67d06d30
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:378:35
[INFO] [stdout]   22:     0x62d2e35444d6 - core::ops::function::FnOnce::call_once::hcb5922719d40413f
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x62d2e359b94b - core::ops::function::FnOnce::call_once::hbd335dbb4bb5fce4
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x62d2e359b94b - test::__rust_begin_short_backtrace::h04cc5e3b375a80f9
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:638:18
[INFO] [stdout]   25:     0x62d2e359aa05 - test::run_test_in_process::{{closure}}::h820e05c00a84ca94
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:661:60
[INFO] [stdout]   26:     0x62d2e359aa05 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5d54c80bc199f62c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x62d2e359aa05 - std::panicking::try::do_call::h832d61a9fc2b6e3e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x62d2e359aa05 - std::panicking::try::h9a404c5f3a090501
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x62d2e359aa05 - std::panic::catch_unwind::hf5157d4c366d9053
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x62d2e359aa05 - test::run_test_in_process::h671deca6957ee157
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:661:27
[INFO] [stdout]   31:     0x62d2e359aa05 - test::run_test::{{closure}}::h8a18e214254d2663
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:582:43
[INFO] [stdout]   32:     0x62d2e355d9f4 - test::run_test::{{closure}}::ha2abac7cc0a13c10
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:612:41
[INFO] [stdout]   33:     0x62d2e355d9f4 - std::sys::backtrace::__rust_begin_short_backtrace::h013f8b8ca29e5f67
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x62d2e356152a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc0336636a8c55b05
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x62d2e356152a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h256d9472a72a8c66
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x62d2e356152a - std::panicking::try::do_call::hf49ea3ffcc3bd1db
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x62d2e356152a - std::panicking::try::h2a067a3336161e1c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x62d2e356152a - std::panic::catch_unwind::h931ea2a9df59b7fa
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x62d2e356152a - std::thread::Builder::spawn_unchecked_::{{closure}}::haf08f1439431615c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x62d2e356152a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd1dc5dd1edff0233
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x62d2e35d0a3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6ad22f40418d409
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1970:9
[INFO] [stdout]   42:     0x62d2e35d0a3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h734c3e370b18da4b
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1970:9
[INFO] [stdout]   43:     0x62d2e35d0a3b - std::sys::pal::unix::thread::Thread::new::thread_start::hfbde3a90511cd82d
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/pal/unix/thread.rs:109:17
[INFO] [stdout]   44:     0x744741a96ac3 - <unknown>
[INFO] [stdout]   45:     0x744741b27a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_serialize_to_tgf stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_serialize_to_tgf' panicked at src/lib.rs:418:67:
[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:     0x62d2e35cb472 - std::backtrace_rs::backtrace::libunwind::trace::h8d95625898284e7d
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62d2e35cb472 - std::backtrace_rs::backtrace::trace_unsynchronized::h9eafd5c61303e492
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62d2e35cb472 - std::sys::backtrace::_print_fmt::hec2578e807cc4a3f
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62d2e35cb472 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd8ebefbbcb1fe23a
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62d2e35f2873 - core::fmt::rt::Argument::fmt::h09f3c4b7b5ff5386
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/fmt/rt.rs:185:76
[INFO] [stdout]    5:     0x62d2e35f2873 - core::fmt::write::hef9d041e1d5d9592
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/fmt/mod.rs:1449:21
[INFO] [stdout]    6:     0x62d2e35c8153 - std::io::Write::write_fmt::h7cfb9383e0a29362
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/io/mod.rs:1890:15
[INFO] [stdout]    7:     0x62d2e35cb2c2 - std::sys::backtrace::BacktraceLock::print::h263d323f217ce3a7
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x62d2e35cc91a - std::panicking::default_hook::{{closure}}::h25050253f7dc0d3e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x62d2e35cc709 - std::panicking::default_hook::hf3291a4c87ea2887
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x62d2e3596067 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h51204ed24e282361
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1984:9
[INFO] [stdout]   11:     0x62d2e3596067 - test::test_main::{{closure}}::h3588678a150ab7c4
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:136:21
[INFO] [stdout]   12:     0x62d2e35cd403 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h95d63edfac47e230
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1984:9
[INFO] [stdout]   13:     0x62d2e35cd403 - std::panicking::rust_panic_with_hook::h3550dbeaa1041124
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x62d2e35cd0ba - std::panicking::begin_panic_handler::{{closure}}::hde0dd646a9e2b5b7
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x62d2e35cb969 - std::sys::backtrace::__rust_end_short_backtrace::haeb22ba48b4d728e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x62d2e35ccd4d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x62d2e35f1270 - core::panicking::panic_fmt::hca923aa694825dc3
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x62d2e35f1716 - core::result::unwrap_failed::h1fd41ecb05679f50
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/result.rs:1704:5
[INFO] [stdout]   19:     0x62d2e355b74c - core::result::Result<T,E>::unwrap::h46b71fc4069755ff
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/result.rs:1109:23
[INFO] [stdout]   20:     0x62d2e355b74c - graph_project::tests::test_serialize_to_tgf::h24dc1ef86d00eb3d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:418:9
[INFO] [stdout]   21:     0x62d2e355b357 - graph_project::tests::test_serialize_to_tgf::{{closure}}::he34bf07d8cc31610
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:405:31
[INFO] [stdout]   22:     0x62d2e3544456 - core::ops::function::FnOnce::call_once::hc2249d859d759f3b
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x62d2e359b94b - core::ops::function::FnOnce::call_once::hbd335dbb4bb5fce4
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x62d2e359b94b - test::__rust_begin_short_backtrace::h04cc5e3b375a80f9
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:638:18
[INFO] [stdout]   25:     0x62d2e359aa05 - test::run_test_in_process::{{closure}}::h820e05c00a84ca94
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:661:60
[INFO] [stdout]   26:     0x62d2e359aa05 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5d54c80bc199f62c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x62d2e359aa05 - std::panicking::try::do_call::h832d61a9fc2b6e3e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x62d2e359aa05 - std::panicking::try::h9a404c5f3a090501
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x62d2e359aa05 - std::panic::catch_unwind::hf5157d4c366d9053
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x62d2e359aa05 - test::run_test_in_process::h671deca6957ee157
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:661:27
[INFO] [stdout]   31:     0x62d2e359aa05 - test::run_test::{{closure}}::h8a18e214254d2663
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:582:43
[INFO] [stdout]   32:     0x62d2e355d9f4 - test::run_test::{{closure}}::ha2abac7cc0a13c10
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:612:41
[INFO] [stdout]   33:     0x62d2e355d9f4 - std::sys::backtrace::__rust_begin_short_backtrace::h013f8b8ca29e5f67
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x62d2e356152a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc0336636a8c55b05
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x62d2e356152a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h256d9472a72a8c66
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x62d2e356152a - std::panicking::try::do_call::hf49ea3ffcc3bd1db
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x62d2e356152a - std::panicking::try::h2a067a3336161e1c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x62d2e356152a - std::panic::catch_unwind::h931ea2a9df59b7fa
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x62d2e356152a - std::thread::Builder::spawn_unchecked_::{{closure}}::haf08f1439431615c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x62d2e356152a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd1dc5dd1edff0233
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x62d2e35d0a3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6ad22f40418d409
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1970:9
[INFO] [stdout]   42:     0x62d2e35d0a3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h734c3e370b18da4b
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1970:9
[INFO] [stdout]   43:     0x62d2e35d0a3b - std::sys::pal::unix::thread::Thread::new::thread_start::hfbde3a90511cd82d
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/pal/unix/thread.rs:109:17
[INFO] [stdout]   44:     0x744741a96ac3 - <unknown>
[INFO] [stdout]   45:     0x744741b27a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_deserialize_from_tgf
[INFO] [stdout]     tests::test_serialize_to_tgf
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "2181e1633462289dfcf805da3743ccee3f25e76d3df2a7d97c9a5a4602f677e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2181e1633462289dfcf805da3743ccee3f25e76d3df2a7d97c9a5a4602f677e9", kill_on_drop: false }`
[INFO] [stdout] 2181e1633462289dfcf805da3743ccee3f25e76d3df2a7d97c9a5a4602f677e9