[INFO] cloning repository https://github.com/cicvedu/rust-rustlings-pymongo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-rustlings-pymongo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-pymongo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-pymongo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0813baec930e536610f550e30ccb0a43f876ecc5 [INFO] testing cicvedu/rust-rustlings-pymongo against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-pymongo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cicvedu/rust-rustlings-pymongo on toolchain 414482f6a0d4e7290f614300581a0b55442552a3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cicvedu/rust-rustlings-pymongo [INFO] finished tweaking git repo https://github.com/cicvedu/rust-rustlings-pymongo [INFO] tweaked toml for git repo https://github.com/cicvedu/rust-rustlings-pymongo written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cicvedu/rust-rustlings-pymongo 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 242726c0dceafd55a40031c7248cf960c05a5ffb910ae228cb27b377522db0d6 [INFO] running `Command { std: "docker" "start" "-a" "242726c0dceafd55a40031c7248cf960c05a5ffb910ae228cb27b377522db0d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "242726c0dceafd55a40031c7248cf960c05a5ffb910ae228cb27b377522db0d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "242726c0dceafd55a40031c7248cf960c05a5ffb910ae228cb27b377522db0d6", kill_on_drop: false }` [INFO] [stdout] 242726c0dceafd55a40031c7248cf960c05a5ffb910ae228cb27b377522db0d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8faee3ae351398a9e7eea31a8093e1799cb237baef75c3a0b06386b88c262fa [INFO] running `Command { std: "docker" "start" "-a" "f8faee3ae351398a9e7eea31a8093e1799cb237baef75c3a0b06386b88c262fa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.84s [INFO] running `Command { std: "docker" "inspect" "f8faee3ae351398a9e7eea31a8093e1799cb237baef75c3a0b06386b88c262fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8faee3ae351398a9e7eea31a8093e1799cb237baef75c3a0b06386b88c262fa", kill_on_drop: false }` [INFO] [stdout] f8faee3ae351398a9e7eea31a8093e1799cb237baef75c3a0b06386b88c262fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af31daca65b07cfec600ef4e355557244af186285d9e3c8037903dde74c93742 [INFO] running `Command { std: "docker" "start" "-a" "af31daca65b07cfec600ef4e355557244af186285d9e3c8037903dde74c93742", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.49s [INFO] running `Command { std: "docker" "inspect" "af31daca65b07cfec600ef4e355557244af186285d9e3c8037903dde74c93742", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af31daca65b07cfec600ef4e355557244af186285d9e3c8037903dde74c93742", kill_on_drop: false }` [INFO] [stdout] af31daca65b07cfec600ef4e355557244af186285d9e3c8037903dde74c93742 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 47a7db86244c799504b70cfc5df5ca2b7681163ca0375a1a8f8701c2909bb7c7 [INFO] running `Command { std: "docker" "start" "-a" "47a7db86244c799504b70cfc5df5ca2b7681163ca0375a1a8f8701c2909bb7c7", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-30851a13796217fc) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:303:35: [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: 0x5ddbe76d5c12 - std::backtrace_rs::backtrace::libunwind::trace::h2a54ddf40adf8cf8 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ddbe76d5c12 - std::backtrace_rs::backtrace::trace_unsynchronized::h332dec2b3594a10b [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ddbe76d5c12 - std::sys::backtrace::_print_fmt::hcb3dee91dccac105 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ddbe76d5c12 - ::fmt::h2f02338d4ae6d8b0 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ddbe76fa9d3 - core::fmt::rt::Argument::fmt::h8705d664b1839d6c [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5ddbe76fa9d3 - core::fmt::write::h5e77c22335cabc7f [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/fmt/mod.rs:1446:25 [INFO] [stdout] 6: 0x5ddbe76d2a43 - std::io::default_write_fmt::h5c16109ce8878b06 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5ddbe76d2a43 - std::io::Write::write_fmt::h183cd11c08a12e04 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:1914:13 [INFO] [stdout] 8: 0x5ddbe76d5a62 - std::sys::backtrace::BacktraceLock::print::hb22254026b13323e [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5ddbe76d724c - std::panicking::default_hook::{{closure}}::h15ac4e3ee7801be5 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:300:22 [INFO] [stdout] 10: 0x5ddbe76d70a2 - std::panicking::default_hook::h15db2a3343942a16 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x5ddbe748b964 - as core::ops::function::Fn>::call::ha02114eecd5b8f69 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x5ddbe748b964 - test::test_main_with_exit_callback::{{closure}}::hfb76c9b760818eb2 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5ddbe76d7d43 - as core::ops::function::Fn>::call::h325134fa51136753 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x5ddbe76d7d43 - std::panicking::rust_panic_with_hook::h67f3fa85499b6cf9 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x5ddbe76d79fa - std::panicking::begin_panic_handler::{{closure}}::h40a30e994b26720e [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x5ddbe76d6119 - std::sys::backtrace::__rust_end_short_backtrace::hb5bcb2f6ea295c8b [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x5ddbe76d768d - __rustc[bf3627c2b8b7eae9]::rust_begin_unwind [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x5ddbe76f9130 - core::panicking::panic_fmt::h20722ae9d0312a90 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5ddbe76f9596 - core::result::unwrap_failed::h3a549f59308089dd [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/result.rs:1732:5 [INFO] [stdout] 20: 0x5ddbe74466e4 - core::result::Result::unwrap::hd4bc3a0897ac391d [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/result.rs:1137:23 [INFO] [stdout] 21: 0x5ddbe74466e4 - rustlings::exercise::test::test_clean::h3142822e7b75cdc2 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 22: 0x5ddbe7446667 - rustlings::exercise::test::test_clean::{{closure}}::h9e2c35f481432634 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 23: 0x5ddbe74490a6 - core::ops::function::FnOnce::call_once::h0f253b2a1f63fa5f [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5ddbe749111b - core::ops::function::FnOnce::call_once::h57f6f31c364c320b [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5ddbe749111b - test::__rust_begin_short_backtrace::h517520f4c2bfc013 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x5ddbe7490372 - test::run_test_in_process::{{closure}}::h0914ac5f2719bf90 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:671:60 [INFO] [stdout] 27: 0x5ddbe7490372 - as core::ops::function::FnOnce<()>>::call_once::h6fe627a8560ee122 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x5ddbe7490372 - std::panicking::try::do_call::h8e4a522b2d07b5d9 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x5ddbe7490372 - std::panicking::try::h254b443d279d1f8a [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x5ddbe7490372 - std::panic::catch_unwind::he39107e495b94aed [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5ddbe7490372 - test::run_test_in_process::hb9053e7102e6de40 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x5ddbe7490372 - test::run_test::{{closure}}::hed53f683e9967fc9 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x5ddbe7453764 - test::run_test::{{closure}}::h1b1395a97621c24c [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x5ddbe7453764 - std::sys::backtrace::__rust_begin_short_backtrace::hd15d7342920b94e4 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x5ddbe745718a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf7d3403d2a997ad4 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5ddbe745718a - as core::ops::function::FnOnce<()>>::call_once::h804cb151403aed57 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5ddbe745718a - std::panicking::try::do_call::h83a3328114f83651 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x5ddbe745718a - std::panicking::try::h5371451a86d476d0 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x5ddbe745718a - std::panic::catch_unwind::h2d1b89e7535ca74a [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5ddbe745718a - std::thread::Builder::spawn_unchecked_::{{closure}}::h169c242c7f876b92 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5ddbe745718a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4115e0f997976371 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5ddbe76d95eb - as core::ops::function::FnOnce>::call_once::hbc3fa83432d7fd73 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x5ddbe76d95eb - as core::ops::function::FnOnce>::call_once::heba5519d10f2c030 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x5ddbe76d95eb - std::sys::pal::unix::thread::Thread::new::thread_start::h211a36f354245501 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] 45: 0x7916fdf98aa4 - [INFO] [stdout] 46: 0x7916fe025a34 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:376:38: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: couldn't create a temp dir: Read-only file system (os error 30) at path \"/opt/rustwide/workdir/./rmetaYwRJ9v\"\u{1b}[0m\n\n\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: aborting due to 1 previous error\u{1b}[0m\n\n" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5ddbe76d5c12 - std::backtrace_rs::backtrace::libunwind::trace::h2a54ddf40adf8cf8 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ddbe76d5c12 - std::backtrace_rs::backtrace::trace_unsynchronized::h332dec2b3594a10b [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ddbe76d5c12 - std::sys::backtrace::_print_fmt::hcb3dee91dccac105 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ddbe76d5c12 - ::fmt::h2f02338d4ae6d8b0 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ddbe76fa9d3 - core::fmt::rt::Argument::fmt::h8705d664b1839d6c [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5ddbe76fa9d3 - core::fmt::write::h5e77c22335cabc7f [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/fmt/mod.rs:1446:25 [INFO] [stdout] 6: 0x5ddbe76d2a43 - std::io::default_write_fmt::h5c16109ce8878b06 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5ddbe76d2a43 - std::io::Write::write_fmt::h183cd11c08a12e04 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:1914:13 [INFO] [stdout] 8: 0x5ddbe76d5a62 - std::sys::backtrace::BacktraceLock::print::hb22254026b13323e [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5ddbe76d724c - std::panicking::default_hook::{{closure}}::h15ac4e3ee7801be5 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:300:22 [INFO] [stdout] 10: 0x5ddbe76d70a2 - std::panicking::default_hook::h15db2a3343942a16 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x5ddbe748b964 - as core::ops::function::Fn>::call::ha02114eecd5b8f69 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x5ddbe748b964 - test::test_main_with_exit_callback::{{closure}}::hfb76c9b760818eb2 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5ddbe76d7d43 - as core::ops::function::Fn>::call::h325134fa51136753 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x5ddbe76d7d43 - std::panicking::rust_panic_with_hook::h67f3fa85499b6cf9 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x5ddbe76d79fa - std::panicking::begin_panic_handler::{{closure}}::h40a30e994b26720e [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x5ddbe76d6119 - std::sys::backtrace::__rust_end_short_backtrace::hb5bcb2f6ea295c8b [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x5ddbe76d768d - __rustc[bf3627c2b8b7eae9]::rust_begin_unwind [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x5ddbe76f9130 - core::panicking::panic_fmt::h20722ae9d0312a90 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5ddbe76f9596 - core::result::unwrap_failed::h3a549f59308089dd [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/result.rs:1732:5 [INFO] [stdout] 20: 0x5ddbe7447556 - core::result::Result::unwrap::hf3bc5279d19bab15 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/result.rs:1137:23 [INFO] [stdout] 21: 0x5ddbe7447556 - rustlings::exercise::test::test_exercise_with_output::h858ca3ac34543161 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 22: 0x5ddbe7447357 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h05dee5d4c24567f3 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 23: 0x5ddbe74490f6 - core::ops::function::FnOnce::call_once::h7dafccb5cbec7b2f [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5ddbe749111b - core::ops::function::FnOnce::call_once::h57f6f31c364c320b [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5ddbe749111b - test::__rust_begin_short_backtrace::h517520f4c2bfc013 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x5ddbe7490372 - test::run_test_in_process::{{closure}}::h0914ac5f2719bf90 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:671:60 [INFO] [stdout] 27: 0x5ddbe7490372 - as core::ops::function::FnOnce<()>>::call_once::h6fe627a8560ee122 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x5ddbe7490372 - std::panicking::try::do_call::h8e4a522b2d07b5d9 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x5ddbe7490372 - std::panicking::try::h254b443d279d1f8a [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x5ddbe7490372 - std::panic::catch_unwind::he39107e495b94aed [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5ddbe7490372 - test::run_test_in_process::hb9053e7102e6de40 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x5ddbe7490372 - test::run_test::{{closure}}::hed53f683e9967fc9 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x5ddbe7453764 - test::run_test::{{closure}}::h1b1395a97621c24c [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x5ddbe7453764 - std::sys::backtrace::__rust_begin_short_backtrace::hd15d7342920b94e4 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x5ddbe745718a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf7d3403d2a997ad4 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5ddbe745718a - as core::ops::function::FnOnce<()>>::call_once::h804cb151403aed57 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5ddbe745718a - std::panicking::try::do_call::h83a3328114f83651 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x5ddbe745718a - std::panicking::try::h5371451a86d476d0 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x5ddbe745718a - std::panic::catch_unwind::h2d1b89e7535ca74a [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5ddbe745718a - std::thread::Builder::spawn_unchecked_::{{closure}}::h169c242c7f876b92 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5ddbe745718a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4115e0f997976371 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5ddbe76d95eb - as core::ops::function::FnOnce>::call_once::hbc3fa83432d7fd73 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x5ddbe76d95eb - as core::ops::function::FnOnce>::call_once::heba5519d10f2c030 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x5ddbe76d95eb - std::sys::pal::unix::thread::Thread::new::thread_start::h211a36f354245501 [INFO] [stdout] at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] 45: 0x7916fdf98aa4 - [INFO] [stdout] 46: 0x7916fe025a34 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] exercise::test::test_clean [INFO] [stdout] exercise::test::test_exercise_with_output [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "47a7db86244c799504b70cfc5df5ca2b7681163ca0375a1a8f8701c2909bb7c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47a7db86244c799504b70cfc5df5ca2b7681163ca0375a1a8f8701c2909bb7c7", kill_on_drop: false }` [INFO] [stdout] 47a7db86244c799504b70cfc5df5ca2b7681163ca0375a1a8f8701c2909bb7c7