[INFO] cloning repository https://github.com/Vurich/basic-midi-sequencer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vurich/basic-midi-sequencer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVurich%2Fbasic-midi-sequencer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVurich%2Fbasic-midi-sequencer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d006dbaaf9484dd59cbd8e8ec09711e0f93d8fea [INFO] testing Vurich/basic-midi-sequencer against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVurich%2Fbasic-midi-sequencer" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vurich/basic-midi-sequencer on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Vurich/basic-midi-sequencer [INFO] finished tweaking git repo https://github.com/Vurich/basic-midi-sequencer [INFO] tweaked toml for git repo https://github.com/Vurich/basic-midi-sequencer written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Vurich/basic-midi-sequencer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arraytools v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 350c45dab1ca865c63f048204b5d929875629f67cdca1315eeea4f8c1f00f43c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "350c45dab1ca865c63f048204b5d929875629f67cdca1315eeea4f8c1f00f43c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "350c45dab1ca865c63f048204b5d929875629f67cdca1315eeea4f8c1f00f43c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "350c45dab1ca865c63f048204b5d929875629f67cdca1315eeea4f8c1f00f43c", kill_on_drop: false }` [INFO] [stdout] 350c45dab1ca865c63f048204b5d929875629f67cdca1315eeea4f8c1f00f43c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7da828036a0a526d3e626b3406e6384ec1dec13caed71fa99b51bdde0135b45d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7da828036a0a526d3e626b3406e6384ec1dec13caed71fa99b51bdde0135b45d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling arraytools v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling ghakuf v0.5.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling ron v0.6.0 [INFO] [stderr] Compiling elektron-sequencer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.50s [INFO] running `Command { std: "docker" "inspect" "7da828036a0a526d3e626b3406e6384ec1dec13caed71fa99b51bdde0135b45d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7da828036a0a526d3e626b3406e6384ec1dec13caed71fa99b51bdde0135b45d", kill_on_drop: false }` [INFO] [stdout] 7da828036a0a526d3e626b3406e6384ec1dec13caed71fa99b51bdde0135b45d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f8bf86342c1be2cd5d521428b556172175ff2a83d3eaf0fdb19a8c2ce53a2bb0 [INFO] running `Command { std: "docker" "start" "-a" "f8bf86342c1be2cd5d521428b556172175ff2a83d3eaf0fdb19a8c2ce53a2bb0", kill_on_drop: false }` [INFO] [stderr] Compiling elektron-sequencer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.79s [INFO] running `Command { std: "docker" "inspect" "f8bf86342c1be2cd5d521428b556172175ff2a83d3eaf0fdb19a8c2ce53a2bb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8bf86342c1be2cd5d521428b556172175ff2a83d3eaf0fdb19a8c2ce53a2bb0", kill_on_drop: false }` [INFO] [stdout] f8bf86342c1be2cd5d521428b556172175ff2a83d3eaf0fdb19a8c2ce53a2bb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f594b52f2c762ca9ad9c55c0cb11f0a7f5893ca750bedef4608469145c285e7c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f594b52f2c762ca9ad9c55c0cb11f0a7f5893ca750bedef4608469145c285e7c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/elektron_sequencer-f1f2530aa9e2f953 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::filetests ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::filetests stdout ---- [INFO] [stdout] thread 'tests::filetests' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/main.rs:1162:41 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a3d615a7d5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55a3d615a7d5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a3d615a7d5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55a3d615a7d5 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55a3d618427c - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55a3d60f8475 - std::io::Write::write_fmt::h4be0daababb55bba [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x55a3d61545c1 - std::io::impls::>::write_fmt::h83c1e1aa73f374f5 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55a3d615d420 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55a3d615d420 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55a3d615d420 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55a3d615d11a - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x55a3d615da63 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x55a3d615d65b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x55a3d6182c11 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 14: 0x55a3d6182a33 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 15: 0x55a3d60b3fe0 - core::result::Result::unwrap::h309de8ac84a16ba2 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x55a3d60c0c39 - elektron_sequencer::tests::filetests::h80b31c7ef7ca1f3f [INFO] [stdout] at src/main.rs:1162 [INFO] [stdout] 17: 0x55a3d60c0a9a - elektron_sequencer::tests::filetests::{{closure}}::hd6bd3b355eaa3e05 [INFO] [stdout] at src/main.rs:1149 [INFO] [stdout] 18: 0x55a3d60c6fce - core::ops::function::FnOnce::call_once::h934ad146ca0ae39f [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stdout] 19: 0x55a3d611f9ec - as core::ops::function::FnOnce>::call_once::h8340ba6798e0c4ff [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stdout] 20: 0x55a3d611f9ec - as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stdout] 21: 0x55a3d611f9ec - std::panicking::try::do_call::hd8680a2dbb0ed3c4 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stdout] 22: 0x55a3d611f9ec - std::panicking::try::h46b4de2d705e7a8d [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stdout] 23: 0x55a3d611f9ec - std::panic::catch_unwind::h059b3f06991e0a9c [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x55a3d611f9ec - test::run_test_in_process::h5ae08a65430494a4 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 25: 0x55a3d611f9ec - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 26: 0x55a3d60f7966 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 27: 0x55a3d60fc955 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475 [INFO] [stdout] 28: 0x55a3d60fc955 - as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stdout] 29: 0x55a3d60fc955 - std::panicking::try::do_call::h4e0f426e17cd216c [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stdout] 30: 0x55a3d60fc955 - std::panicking::try::hd05e4ef6b4303d29 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stdout] 31: 0x55a3d60fc955 - std::panic::catch_unwind::h19a1127ec729c5dd [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stdout] 32: 0x55a3d60fc955 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474 [INFO] [stdout] 33: 0x55a3d60fc955 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stdout] 34: 0x55a3d616452a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stdout] 35: 0x55a3d616452a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stdout] 36: 0x55a3d616452a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 37: 0x7f3308606609 - start_thread [INFO] [stdout] 38: 0x7f3308512103 - __clone [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::filetests [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin elektron-sequencer' [INFO] running `Command { std: "docker" "inspect" "f594b52f2c762ca9ad9c55c0cb11f0a7f5893ca750bedef4608469145c285e7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f594b52f2c762ca9ad9c55c0cb11f0a7f5893ca750bedef4608469145c285e7c", kill_on_drop: false }` [INFO] [stdout] f594b52f2c762ca9ad9c55c0cb11f0a7f5893ca750bedef4608469145c285e7c