[INFO] cloning repository https://github.com/rodmatos/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodmatos/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodmatos%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodmatos%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ad5abe154265e133bdc2727d919c605d235ee25 [INFO] testing rodmatos/rustlings against beta-2022-10-11 for beta-1.65-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodmatos%2Frustlings" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rodmatos/rustlings on toolchain beta-2022-10-11 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-10-11" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rodmatos/rustlings [INFO] finished tweaking git repo https://github.com/rodmatos/rustlings [INFO] tweaked toml for git repo https://github.com/rodmatos/rustlings written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/rodmatos/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-10-11" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-10-11" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6e83870227ee3b64684ce17231213c85dad248223ecf03a80d3c45f5417f589 [INFO] running `Command { std: "docker" "start" "-a" "b6e83870227ee3b64684ce17231213c85dad248223ecf03a80d3c45f5417f589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6e83870227ee3b64684ce17231213c85dad248223ecf03a80d3c45f5417f589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6e83870227ee3b64684ce17231213c85dad248223ecf03a80d3c45f5417f589", kill_on_drop: false }` [INFO] [stdout] b6e83870227ee3b64684ce17231213c85dad248223ecf03a80d3c45f5417f589 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-10-11" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da8abadc442ffacf7368a8f6d1424d20fe1f99e1d05b96fd4c38f04479b5770e [INFO] running `Command { std: "docker" "start" "-a" "da8abadc442ffacf7368a8f6d1424d20fe1f99e1d05b96fd4c38f04479b5770e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling inotify v0.7.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling notify v4.0.15 [INFO] [stderr] Compiling console v0.8.0 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.10s [INFO] running `Command { std: "docker" "inspect" "da8abadc442ffacf7368a8f6d1424d20fe1f99e1d05b96fd4c38f04479b5770e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da8abadc442ffacf7368a8f6d1424d20fe1f99e1d05b96fd4c38f04479b5770e", kill_on_drop: false }` [INFO] [stdout] da8abadc442ffacf7368a8f6d1424d20fe1f99e1d05b96fd4c38f04479b5770e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-10-11" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7b077215f297899e008336230f30b62e2ef2e83b7835fea5df9d60069b5c252 [INFO] running `Command { std: "docker" "start" "-a" "f7b077215f297899e008336230f30b62e2ef2e83b7835fea5df9d60069b5c252", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling predicates v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.26s [INFO] running `Command { std: "docker" "inspect" "f7b077215f297899e008336230f30b62e2ef2e83b7835fea5df9d60069b5c252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7b077215f297899e008336230f30b62e2ef2e83b7835fea5df9d60069b5c252", kill_on_drop: false }` [INFO] [stdout] f7b077215f297899e008336230f30b62e2ef2e83b7835fea5df9d60069b5c252 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-10-11" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5a913592de35a3055ddbe001e155f1776c0cd527b45b53cfe69039530ff78980 [INFO] running `Command { std: "docker" "start" "-a" "5a913592de35a3055ddbe001e155f1776c0cd527b45b53cfe69039530ff78980", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-d4d1ad7257e56f73) [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] thread 'exercise::test::test_clean' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/exercise.rs:249:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a352ed5750 - std::backtrace_rs::backtrace::libunwind::trace::h6fef376b0cad02a6 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55a352ed5750 - std::backtrace_rs::backtrace::trace_unsynchronized::hc3fd5403662df331 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55a352ed5750 - std::sys_common::backtrace::_print_fmt::h297509164be93106 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55a352ed5750 - ::fmt::h79d6bcaf77809e1c [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55a352ef8a6e - core::fmt::write::hee06f0b868172576 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/fmt/mod.rs:1202:17 [INFO] [stdout] 5: 0x55a352ed1e35 - std::io::Write::write_fmt::h89a836fcdd275d14 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/io/mod.rs:1679:15 [INFO] [stdout] 6: 0x55a352ed7213 - std::sys_common::backtrace::_print::h08c136767f88fd2c [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55a352ed7213 - std::sys_common::backtrace::print::hdeab272468b75cae [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55a352ed7213 - std::panicking::default_hook::{{closure}}::ha44dc2e8c33ccbcc [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55a352ed6e83 - std::panicking::default_hook::hb070996f96b0a3b5 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55a352ed78ba - std::panicking::rust_panic_with_hook::he727314f57fb38a7 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55a352ed77b7 - std::panicking::begin_panic_handler::{{closure}}::h98842d2be8812d8d [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55a352ed5bfc - std::sys_common::backtrace::__rust_end_short_backtrace::h9f7d9f11606f69a3 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55a352ed74d2 - rust_begin_unwind [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55a352d05503 - core::panicking::panic_fmt::h0e94298a76dcb380 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55a352d055f3 - core::result::unwrap_failed::h8db4501475793244 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x55a352d12030 - core::result::Result::unwrap::ha40cd5b9d0f73aef [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/result.rs:1107:23 [INFO] [stdout] 17: 0x55a352d10709 - rustlings::exercise::test::test_clean::hdf2ecd86ff6eb06a [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:249:9 [INFO] [stdout] 18: 0x55a352d1069a - rustlings::exercise::test::test_clean::{{closure}}::h3224430daaed002a [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:248:5 [INFO] [stdout] 19: 0x55a352d0efce - core::ops::function::FnOnce::call_once::hef89b38362c27c8b [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x55a352d4e703 - core::ops::function::FnOnce::call_once::hfc331c18b0e5ef99 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x55a352d4e703 - test::__rust_begin_short_backtrace::hf1d02fb1bd3926ae [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x55a352d4d370 - as core::ops::function::FnOnce>::call_once::h3b6ab007fc9ac1fb [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 23: 0x55a352d4d370 - as core::ops::function::FnOnce<()>>::call_once::h20d3227f9aabe0df [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55a352d4d370 - std::panicking::try::do_call::h22dce13eeef9233a [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55a352d4d370 - std::panicking::try::hed69d3fc73418562 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55a352d4d370 - std::panic::catch_unwind::hc019ba90fc029390 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55a352d4d370 - test::run_test_in_process::he377aef0f47e0a0f [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x55a352d4d370 - test::run_test::run_test_inner::{{closure}}::h75c99166fd62ec09 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x55a352d189d4 - test::run_test::run_test_inner::{{closure}}::h8145d77a0a15e742 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x55a352d189d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8ad8477773ed37f9 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55a352d1e327 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf427edc7e9947397 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/thread/mod.rs:514:17 [INFO] [stdout] 32: 0x55a352d1e327 - as core::ops::function::FnOnce<()>>::call_once::h4edb7d0eafb5139f [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55a352d1e327 - std::panicking::try::do_call::ha47ec7426c0316c8 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55a352d1e327 - std::panicking::try::h6710485c6e0a83d5 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55a352d1e327 - std::panic::catch_unwind::h92c068f36bb6e859 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55a352d1e327 - std::thread::Builder::spawn_unchecked_::{{closure}}::h8712d747e79b30a7 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/thread/mod.rs:513:30 [INFO] [stdout] 37: 0x55a352d1e327 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hcd1d47e869770553 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x55a352edc273 - as core::ops::function::FnOnce>::call_once::h6a88cd656aa4a16f [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 39: 0x55a352edc273 - as core::ops::function::FnOnce>::call_once::h4501efe38c2b4412 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 40: 0x55a352edc273 - std::sys::unix::thread::Thread::new::thread_start::h67e5c6aa03c98308 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fbb99a22609 - start_thread [INFO] [stdout] 42: 0x7fbb99b77133 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at '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/./rmetamJJQLI\"\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 previous error\u{1b}[0m\n\n" }', src/exercise.rs:322:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a352ed5750 - std::backtrace_rs::backtrace::libunwind::trace::h6fef376b0cad02a6 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55a352ed5750 - std::backtrace_rs::backtrace::trace_unsynchronized::hc3fd5403662df331 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55a352ed5750 - std::sys_common::backtrace::_print_fmt::h297509164be93106 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55a352ed5750 - ::fmt::h79d6bcaf77809e1c [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55a352ef8a6e - core::fmt::write::hee06f0b868172576 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/fmt/mod.rs:1202:17 [INFO] [stdout] 5: 0x55a352ed1e35 - std::io::Write::write_fmt::h89a836fcdd275d14 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/io/mod.rs:1679:15 [INFO] [stdout] 6: 0x55a352ed7213 - std::sys_common::backtrace::_print::h08c136767f88fd2c [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55a352ed7213 - std::sys_common::backtrace::print::hdeab272468b75cae [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55a352ed7213 - std::panicking::default_hook::{{closure}}::ha44dc2e8c33ccbcc [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55a352ed6e83 - std::panicking::default_hook::hb070996f96b0a3b5 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55a352ed78ba - std::panicking::rust_panic_with_hook::he727314f57fb38a7 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55a352ed77b7 - std::panicking::begin_panic_handler::{{closure}}::h98842d2be8812d8d [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55a352ed5bfc - std::sys_common::backtrace::__rust_end_short_backtrace::h9f7d9f11606f69a3 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55a352ed74d2 - rust_begin_unwind [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55a352d05503 - core::panicking::panic_fmt::h0e94298a76dcb380 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55a352d055f3 - core::result::unwrap_failed::h8db4501475793244 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x55a352d120e7 - core::result::Result::unwrap::ha5083a0e52f3a18f [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/result.rs:1107:23 [INFO] [stdout] 17: 0x55a352d1135c - rustlings::exercise::test::test_exercise_with_output::h26d743d1aaf349d2 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:322:19 [INFO] [stdout] 18: 0x55a352d111ea - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hd188ad92e7fdb418 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:315:5 [INFO] [stdout] 19: 0x55a352d0f00e - core::ops::function::FnOnce::call_once::hf65408659812b837 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x55a352d4e703 - core::ops::function::FnOnce::call_once::hfc331c18b0e5ef99 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x55a352d4e703 - test::__rust_begin_short_backtrace::hf1d02fb1bd3926ae [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x55a352d4d370 - as core::ops::function::FnOnce>::call_once::h3b6ab007fc9ac1fb [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 23: 0x55a352d4d370 - as core::ops::function::FnOnce<()>>::call_once::h20d3227f9aabe0df [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55a352d4d370 - std::panicking::try::do_call::h22dce13eeef9233a [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55a352d4d370 - std::panicking::try::hed69d3fc73418562 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55a352d4d370 - std::panic::catch_unwind::hc019ba90fc029390 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55a352d4d370 - test::run_test_in_process::he377aef0f47e0a0f [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x55a352d4d370 - test::run_test::run_test_inner::{{closure}}::h75c99166fd62ec09 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x55a352d189d4 - test::run_test::run_test_inner::{{closure}}::h8145d77a0a15e742 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x55a352d189d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8ad8477773ed37f9 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55a352d1e327 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf427edc7e9947397 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/thread/mod.rs:514:17 [INFO] [stdout] 32: 0x55a352d1e327 - as core::ops::function::FnOnce<()>>::call_once::h4edb7d0eafb5139f [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55a352d1e327 - std::panicking::try::do_call::ha47ec7426c0316c8 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55a352d1e327 - std::panicking::try::h6710485c6e0a83d5 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55a352d1e327 - std::panic::catch_unwind::h92c068f36bb6e859 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55a352d1e327 - std::thread::Builder::spawn_unchecked_::{{closure}}::h8712d747e79b30a7 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/thread/mod.rs:513:30 [INFO] [stdout] 37: 0x55a352d1e327 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hcd1d47e869770553 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x55a352edc273 - as core::ops::function::FnOnce>::call_once::h6a88cd656aa4a16f [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 39: 0x55a352edc273 - as core::ops::function::FnOnce>::call_once::h4501efe38c2b4412 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 40: 0x55a352edc273 - std::sys::unix::thread::Thread::new::thread_start::h67e5c6aa03c98308 [INFO] [stdout] at /rustc/da7ffa2d1df2daf747b8e4bdf5659c942abb22af/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fbb99a22609 - start_thread [INFO] [stdout] 42: 0x7fbb99b77133 - clone [INFO] [stdout] 43: 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 0.17s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "5a913592de35a3055ddbe001e155f1776c0cd527b45b53cfe69039530ff78980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a913592de35a3055ddbe001e155f1776c0cd527b45b53cfe69039530ff78980", kill_on_drop: false }` [INFO] [stdout] 5a913592de35a3055ddbe001e155f1776c0cd527b45b53cfe69039530ff78980