[INFO] crate extfsm 0.11.0 is already in cache [INFO] extracting crate extfsm 0.11.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/extfsm/0.11.0 [INFO] extracting crate extfsm 0.11.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/extfsm/0.11.0 [INFO] validating manifest of extfsm-0.11.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of extfsm-0.11.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing extfsm-0.11.0 [INFO] finished frobbing extfsm-0.11.0 [INFO] frobbed toml for extfsm-0.11.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/extfsm/0.11.0/Cargo.toml [INFO] started frobbing extfsm-0.11.0 [INFO] finished frobbing extfsm-0.11.0 [INFO] frobbed toml for extfsm-0.11.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/extfsm/0.11.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing extfsm-0.11.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/extfsm/0.11.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 67130d49aa91a94424b1ac4e873fcd14f10564ad9e7ad8f9b078b4930d696d24 [INFO] running `"docker" "start" "-a" "67130d49aa91a94424b1ac4e873fcd14f10564ad9e7ad8f9b078b4930d696d24"` [INFO] [stderr] Compiling enum_derive v0.1.7 [INFO] [stderr] Compiling extfsm v0.11.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1220:40 [INFO] [stderr] | [INFO] [stderr] 1220 | Ok(mut v) => { [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1173:36 [INFO] [stderr] | [INFO] [stderr] 1173 | Ok(mut v) => match v { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `"docker" "inspect" "67130d49aa91a94424b1ac4e873fcd14f10564ad9e7ad8f9b078b4930d696d24"` [INFO] running `"docker" "rm" "-f" "67130d49aa91a94424b1ac4e873fcd14f10564ad9e7ad8f9b078b4930d696d24"` [INFO] [stdout] 67130d49aa91a94424b1ac4e873fcd14f10564ad9e7ad8f9b078b4930d696d24 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/extfsm/0.11.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 6385533181d51de7b8b77f50e8e0266a6921fd51cb0acda45146beb7b6fa06e6 [INFO] running `"docker" "start" "-a" "6385533181d51de7b8b77f50e8e0266a6921fd51cb0acda45146beb7b6fa06e6"` [INFO] [stderr] Compiling slog-atomic v2.0.0 [INFO] [stderr] Compiling extfsm v0.11.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1220:40 [INFO] [stderr] | [INFO] [stderr] 1220 | Ok(mut v) => { [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1173:36 [INFO] [stderr] | [INFO] [stderr] 1173 | Ok(mut v) => match v { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.45s [INFO] running `"docker" "inspect" "6385533181d51de7b8b77f50e8e0266a6921fd51cb0acda45146beb7b6fa06e6"` [INFO] running `"docker" "rm" "-f" "6385533181d51de7b8b77f50e8e0266a6921fd51cb0acda45146beb7b6fa06e6"` [INFO] [stdout] 6385533181d51de7b8b77f50e8e0266a6921fd51cb0acda45146beb7b6fa06e6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/extfsm/0.11.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 953533ab2e7f98c24e3de3bd0ee1b8e900f15ed9c4959555028cefb8c84c821d [INFO] running `"docker" "start" "-a" "953533ab2e7f98c24e3de3bd0ee1b8e900f15ed9c4959555028cefb8c84c821d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/extfsm-743c79416945d73c [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] digraph G29f42d64a6614a189913101b0ba0fb4e { [INFO] [stdout] N3c101ee674a04d8daf55cae69e157f69[label="Exit"][style="dashed"][shape="plain"]; [INFO] [stdout] N95bcd9c95eec4b31993541c231937a3d[label="Enter"][style="dashed"][shape="plain"]; [INFO] [stdout] Nb3e61bf06dd3430a86080300de374dcf[label="CheckingMoney"][shape="oval"]; [INFO] [stdout] N9f49889abf7e4f93a36dbaa65a166e0a[label="OpenWaitForTimeOut"][shape="oval"]; [INFO] [stdout] N0a1b65cadd1c4ed1a560fc9189ba2b88[label="ClosedWaitForMoney"][shape="diamond"]; [INFO] [stdout] N0a1b65cadd1c4ed1a560fc9189ba2b88 -> Nb3e61bf06dd3430a86080300de374dcf[label="ProcessCoin\n|GotCoin|"][color="green"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] Nb3e61bf06dd3430a86080300de374dcf -> N9f49889abf7e4f93a36dbaa65a166e0a[label="Accepted\n|AcceptMoney|"][color="green"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] Nb3e61bf06dd3430a86080300de374dcf -> N0a1b65cadd1c4ed1a560fc9189ba2b88[label="Rejected\n|RejectMoney|"][color="red"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] Nb3e61bf06dd3430a86080300de374dcf -> Nb3e61bf06dd3430a86080300de374dcf[label="IgnoreAnotherCoin\n|GotCoin|"][color="red"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N9f49889abf7e4f93a36dbaa65a166e0a -> N9f49889abf7e4f93a36dbaa65a166e0a[label="Reject\n|GotCoin|\nRejected\n|RejectMoney|"][color="red"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N9f49889abf7e4f93a36dbaa65a166e0a -> N3c101ee674a04d8daf55cae69e157f69[label="CountClose"][color="gold"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N95bcd9c95eec4b31993541c231937a3d -> N9f49889abf7e4f93a36dbaa65a166e0a[label="CountOpens"][color="gold"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N9f49889abf7e4f93a36dbaa65a166e0a -> N0a1b65cadd1c4ed1a560fc9189ba2b88[label="TimeOut\n|Timeout|"][color="blue"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] } [INFO] [stdout] test tests::coin_machine_test ... ok [INFO] [stdout] digraph Gbfaa7d3b0bff495ea8e60e0d0d91b05f { [INFO] [stdout] Nfa6e1877844e445cbdb99781dd184ca1[label="Init"][shape="diamond"]; [INFO] [stdout] Nf883586817674bca980418f89f120924[label="Enter"][style="invis"][shape="plain"]; [INFO] [stdout] Ndebe9d937f314a8c88f59ecfb8a39035[label="Two"][shape="oval"]; [INFO] [stdout] N46aac34cdc8140d5bf4fe54e9856e584[label="One"][shape="oval"]; [INFO] [stdout] N2679fe4bc29a49018928174cc1e92d92[label="Three"][shape="oval"]; [INFO] [stdout] N46aac34cdc8140d5bf4fe54e9856e584 -> N46aac34cdc8140d5bf4fe54e9856e584[label="Self2Self-RED\n|CyanEvent1|\nSelf2Self-RED\n|CyanEvent2|\nSelf2Self-RED\n|CyanEvent3|"][color="cyan"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N2679fe4bc29a49018928174cc1e92d92 -> N46aac34cdc8140d5bf4fe54e9856e584[label="Three2One-3-BLUE\n|Event3|\nThree2One-4-BLUE\n|Event4|"][color="blue"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N2679fe4bc29a49018928174cc1e92d92 -> N2679fe4bc29a49018928174cc1e92d92[label="Self2Self-RED\n|CyanEvent1|\nSelf2Self-RED\n|CyanEvent2|\nSelf2Self-RED\n|CyanEvent3|"][color="cyan"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N46aac34cdc8140d5bf4fe54e9856e584 -> N46aac34cdc8140d5bf4fe54e9856e584[label="Self2Self-RedEvent1\n|RedEvent1|\nSelf2Self-RedEvent2\n|RedEvent2|\nSelf2Self-RedEvent3\n|RedEvent3|"][color="red"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] Ndebe9d937f314a8c88f59ecfb8a39035 -> Ndebe9d937f314a8c88f59ecfb8a39035[label="Self2Self-RedEvent1\n|RedEvent1|\nSelf2Self-RedEvent2\n|RedEvent2|\nSelf2Self-RedEvent3\n|RedEvent3|"][color="red"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] Ndebe9d937f314a8c88f59ecfb8a39035 -> N2679fe4bc29a49018928174cc1e92d92[label="Two2Three-BLUE\n|Event1|"][color="blue"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] Ndebe9d937f314a8c88f59ecfb8a39035 -> Ndebe9d937f314a8c88f59ecfb8a39035[label="Self2Self-RED\n|CyanEvent1|\nSelf2Self-RED\n|CyanEvent2|\nSelf2Self-RED\n|CyanEvent3|"][color="cyan"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N2679fe4bc29a49018928174cc1e92d92 -> N2679fe4bc29a49018928174cc1e92d92[label="Self2Self-RedEvent1\n|RedEvent1|\nSelf2Self-RedEvent2\n|RedEvent2|\nSelf2Self-RedEvent3\n|RedEvent3|"][color="red"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N2679fe4bc29a49018928174cc1e92d92 -> N46aac34cdc8140d5bf4fe54e9856e584[label="Three2One-1-RED\n|Event1|\nThree2One-2-RED\n|Event2|"][color="red"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] N46aac34cdc8140d5bf4fe54e9856e584 -> Ndebe9d937f314a8c88f59ecfb8a39035[label="One2Two-GREEN\n|Event1|"][color="green"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] Nfa6e1877844e445cbdb99781dd184ca1 -> N46aac34cdc8140d5bf4fe54e9856e584[label="Init2One-GRAY\n|Event1|"][color="gray"][arrowhead="normal" dir="both" arrowtail="none"]; [INFO] [stdout] } [INFO] [stdout] test tests::flyweight ... ok [INFO] [stdout] test tests::coin_machine_dot ... FAILED [INFO] [stdout] test tests::dottest_fsm_dot ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::coin_machine_dot stdout ---- [INFO] [stdout] thread 'tests::coin_machine_dot' panicked at 'cannot dotfile: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f437c7b503 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55f437c76deb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55f437c7a1f6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55f437c79f1e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55f437c7a8ff - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55f437c7a481 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55f437c7a365 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x55f437c8fd0c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55f437c5da96 - core::result::unwrap_failed::h1ae23c2fe8a6e6fc [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x55f437b3f109 - core::result::Result::expect::ha38c378c5bfd1c33 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827 [INFO] [stdout] 10: 0x55f437b78c55 - extfsm::tests::coin_machine_dot::h67aee2e0e7cddb47 [INFO] [stdout] at src/lib.rs:1594 [INFO] [stdout] 11: 0x55f437b78749 - extfsm::tests::coin_machine_dot::{{closure}}::hf13b1e632820cba2 [INFO] [stdout] at src/lib.rs:1590 [INFO] [stdout] 12: 0x55f437ad54dd - core::ops::function::FnOnce::call_once::hc78e4e3459d8916a [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55f437b9cabe - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 14: 0x55f437c7d739 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x55f437bb73b7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 16: 0x55f437b91dd4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 17: 0x55f437b95e84 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 18: 0x55f437c7d739 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 19: 0x55f437b96491 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 20: 0x55f437c6e8be - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 21: 0x55f437c7cd8f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 22: 0x7f777b72d4a3 - start_thread [INFO] [stdout] 23: 0x7f777b258d0e - __clone [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- tests::dottest_fsm_dot stdout ---- [INFO] [stdout] thread 'tests::dottest_fsm_dot' panicked at 'cannot dotfile: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f437c7b503 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55f437c76deb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55f437c7a1f6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55f437c79f1e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55f437c7a8ff - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55f437c7a481 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55f437c7a365 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x55f437c8fd0c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55f437c5da96 - core::result::unwrap_failed::h1ae23c2fe8a6e6fc [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x55f437b3f109 - core::result::Result::expect::ha38c378c5bfd1c33 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827 [INFO] [stdout] 10: 0x55f437b7c48a - extfsm::tests::dottest_fsm_dot::h140efc250425cdef [INFO] [stdout] at src/lib.rs:1801 [INFO] [stdout] 11: 0x55f437b7c049 - extfsm::tests::dottest_fsm_dot::{{closure}}::hd0b3a304f6dc5900 [INFO] [stdout] at src/lib.rs:1797 [INFO] [stdout] 12: 0x55f437ad564d - core::ops::function::FnOnce::call_once::hdca896875c39bae7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55f437b9cabe - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 14: 0x55f437c7d739 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x55f437bb73b7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 16: 0x55f437b91dd4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 17: 0x55f437b95e84 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 18: 0x55f437c7d739 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 19: 0x55f437b96491 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 20: 0x55f437c6e8be - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 21: 0x55f437c7cd8f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 22: 0x7f777b72d4a3 - start_thread [INFO] [stdout] 23: 0x7f777b258d0e - __clone [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::coin_machine_dot [INFO] [stdout] tests::dottest_fsm_dot [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "953533ab2e7f98c24e3de3bd0ee1b8e900f15ed9c4959555028cefb8c84c821d"` [INFO] running `"docker" "rm" "-f" "953533ab2e7f98c24e3de3bd0ee1b8e900f15ed9c4959555028cefb8c84c821d"` [INFO] [stdout] 953533ab2e7f98c24e3de3bd0ee1b8e900f15ed9c4959555028cefb8c84c821d