[INFO] updating cached repository https://github.com/GrossBetruger/ArithMaster [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 30a9b9069a41463ce99179d73f939d44137770fd [INFO] testing GrossBetruger/ArithMaster against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FArithMaster" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GrossBetruger/ArithMaster on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GrossBetruger/ArithMaster [INFO] finished tweaking git repo https://github.com/GrossBetruger/ArithMaster [INFO] tweaked toml for git repo https://github.com/GrossBetruger/ArithMaster written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/GrossBetruger/ArithMaster already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd15c2e379049f455b91bb640dab9333f88876df398b9280f44fc52b9e09a408 [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" "fd15c2e379049f455b91bb640dab9333f88876df398b9280f44fc52b9e09a408", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd15c2e379049f455b91bb640dab9333f88876df398b9280f44fc52b9e09a408", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd15c2e379049f455b91bb640dab9333f88876df398b9280f44fc52b9e09a408", kill_on_drop: false }` [INFO] [stdout] fd15c2e379049f455b91bb640dab9333f88876df398b9280f44fc52b9e09a408 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba90596193d8b30af3dddcb84c7fec9f56e0becef16f0d3308a02d6270788493 [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" "ba90596193d8b30af3dddcb84c7fec9f56e0becef16f0d3308a02d6270788493", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling colored v1.6.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling arithmaster v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:178:16 [INFO] [stdout] | [INFO] [stdout] 178 | exercise: &Fn(i32, i32) -> (i32, i32, f32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> (i32, i32, f32)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.84s [INFO] running `Command { std: "docker" "inspect" "ba90596193d8b30af3dddcb84c7fec9f56e0becef16f0d3308a02d6270788493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba90596193d8b30af3dddcb84c7fec9f56e0becef16f0d3308a02d6270788493", kill_on_drop: false }` [INFO] [stdout] ba90596193d8b30af3dddcb84c7fec9f56e0becef16f0d3308a02d6270788493 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 344d37bb051bfdfef79cf7209c4d8af38706cc5547742cf98f81aa9e50656f04 [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" "344d37bb051bfdfef79cf7209c4d8af38706cc5547742cf98f81aa9e50656f04", kill_on_drop: false }` [INFO] [stderr] Compiling arithmaster v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:178:16 [INFO] [stdout] | [INFO] [stdout] 178 | exercise: &Fn(i32, i32) -> (i32, i32, f32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> (i32, i32, f32)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:424:20 [INFO] [stdout] | [INFO] [stdout] 424 | exercise: &Fn(i32, i32) -> (i32, i32, f32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> (i32, i32, f32)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.51s [INFO] running `Command { std: "docker" "inspect" "344d37bb051bfdfef79cf7209c4d8af38706cc5547742cf98f81aa9e50656f04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "344d37bb051bfdfef79cf7209c4d8af38706cc5547742cf98f81aa9e50656f04", kill_on_drop: false }` [INFO] [stdout] 344d37bb051bfdfef79cf7209c4d8af38706cc5547742cf98f81aa9e50656f04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 40f3833fcd56edbc1dc3dd53ebd1b5c80b64dcccccec0256e50e465b0ca281c4 [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" "40f3833fcd56edbc1dc3dd53ebd1b5c80b64dcccccec0256e50e465b0ca281c4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:178:16 [INFO] [stderr] | [INFO] [stderr] 178 | exercise: &Fn(i32, i32) -> (i32, i32, f32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> (i32, i32, f32)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:424:20 [INFO] [stderr] | [INFO] [stderr] 424 | exercise: &Fn(i32, i32) -> (i32, i32, f32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> (i32, i32, f32)` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/arithmaster-77acf905aa20ce59 [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test tests::question_formatting_subtraction_both_negatives ... ok [INFO] [stdout] test tests::question_formatting_subtraction ... ok [INFO] [stdout] test tests::question_formatting_multiplication_no_negatives ... ok [INFO] [stdout] test tests::question_formatting_addition ... ok [INFO] [stdout] test tests::question_formatting_exponentiation ... ok [INFO] [stdout] test tests::superscript ... ok [INFO] [stdout] test tests::answer_f34_precision ... ok [INFO] [stdout] test tests::question_formatting_multiplication ... ok [INFO] [stdout] test tests::exponentiation ... ok [INFO] [stdout] test tests::subtraction ... ok [INFO] [stdout] test tests::addition ... ok [INFO] [stdout] test tests::multiplication ... ok [INFO] [stdout] test tests::random_generator ... ok [INFO] [stderr] error: test failed, to rerun pass '--bin arithmaster' [INFO] [stdout] test tests::user_interaction_addition ... FAILED [INFO] [stdout] test tests::user_interaction_division ... FAILED [INFO] [stdout] test tests::user_interaction_exponentiation ... FAILED [INFO] [stdout] test tests::user_interaction_subtraction ... FAILED [INFO] [stdout] test tests::user_interaction_multiplication ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::user_interaction_addition stdout ---- [INFO] [stdout] thread 'tests::user_interaction_addition' panicked at 'error creating mock file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/main.rs:428:24 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55894efa9dc5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55894efa9dc5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55894efa9dc5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55894efa9dc5 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55894efd373c - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55894ef2efc5 - std::io::Write::write_fmt::ha866504c9998fe5e [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55894efa40c1 - std::io::impls::>::write_fmt::h8f0a2af895559593 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55894efac5f0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55894efac5f0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55894efac5f0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55894efac2ea - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55894efacc27 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55894efac82b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x55894efd16a1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 14: 0x55894efd14c3 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 15: 0x55894ef2d5b9 - core::result::Result::expect::h8972f27b120116ea [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55894ef1f321 - arithmaster::tests::test_exercise::ha7f50b1dfb40bf11 [INFO] [stdout] at src/main.rs:428 [INFO] [stdout] 17: 0x55894ef21b6c - arithmaster::tests::user_interaction_addition::h98af1cc8888e9d4a [INFO] [stdout] at src/main.rs:458 [INFO] [stdout] 18: 0x55894ef21aaa - arithmaster::tests::user_interaction_addition::{{closure}}::hc9d62e540d130655 [INFO] [stdout] at src/main.rs:455 [INFO] [stdout] 19: 0x55894ef2baae - core::ops::function::FnOnce::call_once::h0e611acdd2baf495 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x55894ef561b2 - as core::ops::function::FnOnce>::call_once::h1efcc6525b6aa145 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 21: 0x55894ef561b2 - as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x55894ef561b2 - std::panicking::try::do_call::h83baf26f5fc8b0a5 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 23: 0x55894ef561b2 - std::panicking::try::h8d28a678b90bb6ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x55894ef561b2 - std::panic::catch_unwind::h20734e8710644f59 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x55894ef561b2 - test::run_test_in_process::h2c1fb2dd0c9013bb [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x55894ef561b2 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x55894ef2e486 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x55894ef337c5 - as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x55894ef337c5 - std::panicking::try::do_call::hcc5472a0f1ff31ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 31: 0x55894ef337c5 - std::panicking::try::h774b0c4fd770945c [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x55894ef337c5 - std::panic::catch_unwind::hfaf7c6beb53320e7 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x55894ef337c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 36: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 37: 0x55894efb30ca - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f30625e0609 - start_thread [INFO] [stdout] 39: 0x7f306286b103 - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- tests::user_interaction_division stdout ---- [INFO] [stdout] thread 'tests::user_interaction_division' panicked at 'error creating mock file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/main.rs:428:24 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55894efa9dc5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55894efa9dc5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55894efa9dc5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55894efa9dc5 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55894efd373c - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55894ef2efc5 - std::io::Write::write_fmt::ha866504c9998fe5e [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55894efa40c1 - std::io::impls::>::write_fmt::h8f0a2af895559593 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55894efac5f0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55894efac5f0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55894efac5f0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55894efac2ea - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55894efacc27 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55894efac82b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x55894efd16a1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 14: 0x55894efd14c3 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 15: 0x55894ef2d5b9 - core::result::Result::expect::h8972f27b120116ea [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55894ef1f321 - arithmaster::tests::test_exercise::ha7f50b1dfb40bf11 [INFO] [stdout] at src/main.rs:428 [INFO] [stdout] 17: 0x55894ef21eac - arithmaster::tests::user_interaction_division::h3961130d1c944e91 [INFO] [stdout] at src/main.rs:490 [INFO] [stdout] 18: 0x55894ef21dea - arithmaster::tests::user_interaction_division::{{closure}}::h3d639f236a8af71d [INFO] [stdout] at src/main.rs:487 [INFO] [stdout] 19: 0x55894ef2bc5e - core::ops::function::FnOnce::call_once::h6a89f69bfd787fd9 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x55894ef561b2 - as core::ops::function::FnOnce>::call_once::h1efcc6525b6aa145 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 21: 0x55894ef561b2 - as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x55894ef561b2 - std::panicking::try::do_call::h83baf26f5fc8b0a5 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 23: 0x55894ef561b2 - std::panicking::try::h8d28a678b90bb6ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x55894ef561b2 - std::panic::catch_unwind::h20734e8710644f59 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x55894ef561b2 - test::run_test_in_process::h2c1fb2dd0c9013bb [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x55894ef561b2 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x55894ef2e486 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x55894ef337c5 - as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x55894ef337c5 - std::panicking::try::do_call::hcc5472a0f1ff31ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 31: 0x55894ef337c5 - std::panicking::try::h774b0c4fd770945c [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x55894ef337c5 - std::panic::catch_unwind::hfaf7c6beb53320e7 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x55894ef337c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 36: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 37: 0x55894efb30ca - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f30625e0609 - start_thread [INFO] [stdout] 39: 0x7f306286b103 - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- tests::user_interaction_exponentiation stdout ---- [INFO] [stdout] thread 'tests::user_interaction_exponentiation' panicked at 'error creating mock file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/main.rs:428:24 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55894efa9dc5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55894efa9dc5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55894efa9dc5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55894efa9dc5 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55894efd373c - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55894ef2efc5 - std::io::Write::write_fmt::ha866504c9998fe5e [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55894efa40c1 - std::io::impls::>::write_fmt::h8f0a2af895559593 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55894efac5f0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55894efac5f0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55894efac5f0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55894efac2ea - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55894efacc27 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55894efac82b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x55894efd16a1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 14: 0x55894efd14c3 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 15: 0x55894ef2d5b9 - core::result::Result::expect::h8972f27b120116ea [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55894ef1f321 - arithmaster::tests::test_exercise::ha7f50b1dfb40bf11 [INFO] [stdout] at src/main.rs:428 [INFO] [stdout] 17: 0x55894ef21dd9 - arithmaster::tests::user_interaction_exponentiation::hb36ce948dee596cf [INFO] [stdout] at src/main.rs:482 [INFO] [stdout] 18: 0x55894ef21d1a - arithmaster::tests::user_interaction_exponentiation::{{closure}}::h26ae1998e2364074 [INFO] [stdout] at src/main.rs:479 [INFO] [stdout] 19: 0x55894ef2bbce - core::ops::function::FnOnce::call_once::h5b04f0e60c70d8d1 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x55894ef561b2 - as core::ops::function::FnOnce>::call_once::h1efcc6525b6aa145 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 21: 0x55894ef561b2 - as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x55894ef561b2 - std::panicking::try::do_call::h83baf26f5fc8b0a5 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 23: 0x55894ef561b2 - std::panicking::try::h8d28a678b90bb6ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x55894ef561b2 - std::panic::catch_unwind::h20734e8710644f59 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x55894ef561b2 - test::run_test_in_process::h2c1fb2dd0c9013bb [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x55894ef561b2 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x55894ef2e486 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x55894ef337c5 - as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x55894ef337c5 - std::panicking::try::do_call::hcc5472a0f1ff31ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 31: 0x55894ef337c5 - std::panicking::try::h774b0c4fd770945c [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x55894ef337c5 - std::panic::catch_unwind::hfaf7c6beb53320e7 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x55894ef337c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 36: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 37: 0x55894efb30ca - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f30625e0609 - start_thread [INFO] [stdout] 39: 0x7f306286b103 - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- tests::user_interaction_subtraction stdout ---- [INFO] [stdout] thread 'tests::user_interaction_subtraction' panicked at 'error creating mock file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/main.rs:428:24 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55894efa9dc5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55894efa9dc5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55894efa9dc5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55894efa9dc5 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55894efd373c - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55894ef2efc5 - std::io::Write::write_fmt::ha866504c9998fe5e [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55894efa40c1 - std::io::impls::>::write_fmt::h8f0a2af895559593 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55894efac5f0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55894efac5f0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55894efac5f0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55894efac2ea - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55894efacc27 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55894efac82b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x55894efd16a1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 14: 0x55894efd14c3 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 15: 0x55894ef2d5b9 - core::result::Result::expect::h8972f27b120116ea [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55894ef1f321 - arithmaster::tests::test_exercise::ha7f50b1dfb40bf11 [INFO] [stdout] at src/main.rs:428 [INFO] [stdout] 17: 0x55894ef21c3c - arithmaster::tests::user_interaction_subtraction::h8ce53bffeb034ed0 [INFO] [stdout] at src/main.rs:466 [INFO] [stdout] 18: 0x55894ef21b7a - arithmaster::tests::user_interaction_subtraction::{{closure}}::h3f0315849106a773 [INFO] [stdout] at src/main.rs:463 [INFO] [stdout] 19: 0x55894ef2be7e - core::ops::function::FnOnce::call_once::hcd8784d6061a30f5 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x55894ef561b2 - as core::ops::function::FnOnce>::call_once::h1efcc6525b6aa145 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 21: 0x55894ef561b2 - as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x55894ef561b2 - std::panicking::try::do_call::h83baf26f5fc8b0a5 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 23: 0x55894ef561b2 - std::panicking::try::h8d28a678b90bb6ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x55894ef561b2 - std::panic::catch_unwind::h20734e8710644f59 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x55894ef561b2 - test::run_test_in_process::h2c1fb2dd0c9013bb [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x55894ef561b2 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x55894ef2e486 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x55894ef337c5 - as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x55894ef337c5 - std::panicking::try::do_call::hcc5472a0f1ff31ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 31: 0x55894ef337c5 - std::panicking::try::h774b0c4fd770945c [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x55894ef337c5 - std::panic::catch_unwind::hfaf7c6beb53320e7 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x55894ef337c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 36: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 37: 0x55894efb30ca - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f30625e0609 - start_thread [INFO] [stdout] 39: 0x7f306286b103 - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- tests::user_interaction_multiplication stdout ---- [INFO] [stdout] thread 'tests::user_interaction_multiplication' panicked at 'error creating mock file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/main.rs:428:24 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55894efa9dc5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55894efa9dc5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55894efa9dc5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55894efa9dc5 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55894efd373c - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55894ef2efc5 - std::io::Write::write_fmt::ha866504c9998fe5e [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55894efa40c1 - std::io::impls::>::write_fmt::h8f0a2af895559593 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55894efac5f0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55894efac5f0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55894efac5f0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55894efac2ea - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55894efacc27 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55894efac82b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x55894efd16a1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 14: 0x55894efd14c3 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 15: 0x55894ef2d5b9 - core::result::Result::expect::h8972f27b120116ea [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55894ef1f321 - arithmaster::tests::test_exercise::ha7f50b1dfb40bf11 [INFO] [stdout] at src/main.rs:428 [INFO] [stdout] 17: 0x55894ef21d0c - arithmaster::tests::user_interaction_multiplication::h54e63b2ca5dfae48 [INFO] [stdout] at src/main.rs:474 [INFO] [stdout] 18: 0x55894ef21c4a - arithmaster::tests::user_interaction_multiplication::{{closure}}::h07685955c6cd736a [INFO] [stdout] at src/main.rs:471 [INFO] [stdout] 19: 0x55894ef2be1e - core::ops::function::FnOnce::call_once::hc26113f80e2e4bdc [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x55894ef561b2 - as core::ops::function::FnOnce>::call_once::h1efcc6525b6aa145 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 21: 0x55894ef561b2 - as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x55894ef561b2 - std::panicking::try::do_call::h83baf26f5fc8b0a5 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 23: 0x55894ef561b2 - std::panicking::try::h8d28a678b90bb6ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x55894ef561b2 - std::panic::catch_unwind::h20734e8710644f59 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x55894ef561b2 - test::run_test_in_process::h2c1fb2dd0c9013bb [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x55894ef561b2 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x55894ef2e486 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x55894ef337c5 - as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x55894ef337c5 - std::panicking::try::do_call::hcc5472a0f1ff31ac [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stdout] 31: 0x55894ef337c5 - std::panicking::try::h774b0c4fd770945c [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x55894ef337c5 - std::panic::catch_unwind::hfaf7c6beb53320e7 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x55894ef337c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x55894ef337c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 36: 0x55894efb30ca - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 37: 0x55894efb30ca - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f30625e0609 - start_thread [INFO] [stdout] 39: 0x7f306286b103 - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::user_interaction_addition [INFO] [stdout] tests::user_interaction_division [INFO] [stdout] tests::user_interaction_exponentiation [INFO] [stdout] tests::user_interaction_multiplication [INFO] [stdout] tests::user_interaction_subtraction [INFO] [stdout] [INFO] [stdout] test result: FAILED. 13 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "40f3833fcd56edbc1dc3dd53ebd1b5c80b64dcccccec0256e50e465b0ca281c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40f3833fcd56edbc1dc3dd53ebd1b5c80b64dcccccec0256e50e465b0ca281c4", kill_on_drop: false }` [INFO] [stdout] 40f3833fcd56edbc1dc3dd53ebd1b5c80b64dcccccec0256e50e465b0ca281c4