[INFO] cloning repository https://github.com/adilahmeddev/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adilahmeddev/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadilahmeddev%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadilahmeddev%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 460229836f53ead4ff1a5f90b4683f19d65eb421 [INFO] testing adilahmeddev/rustlings against beta-2025-02-18 for beta-1.86-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadilahmeddev%2Frustlings" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adilahmeddev/rustlings on toolchain beta-2025-02-18 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/adilahmeddev/rustlings [INFO] finished tweaking git repo https://github.com/adilahmeddev/rustlings [INFO] tweaked toml for git repo https://github.com/adilahmeddev/rustlings written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/adilahmeddev/rustlings 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" "+beta-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b54cafbff2fe092c35c3918a776229a986e4bfbc604b8379c8e300661f8d3fd [INFO] running `Command { std: "docker" "start" "-a" "6b54cafbff2fe092c35c3918a776229a986e4bfbc604b8379c8e300661f8d3fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b54cafbff2fe092c35c3918a776229a986e4bfbc604b8379c8e300661f8d3fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b54cafbff2fe092c35c3918a776229a986e4bfbc604b8379c8e300661f8d3fd", kill_on_drop: false }` [INFO] [stdout] 6b54cafbff2fe092c35c3918a776229a986e4bfbc604b8379c8e300661f8d3fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6dd300d3beaaae8889346d2882bc1606efe8d142848da93bc433391e40d833de [INFO] running `Command { std: "docker" "start" "-a" "6dd300d3beaaae8889346d2882bc1606efe8d142848da93bc433391e40d833de", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.53 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling serde_derive v1.0.158 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling hashbrown v0.14.0 [INFO] [stderr] Compiling anstyle v1.0.3 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling portable-atomic v1.4.3 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling anstyle-parse v0.2.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling winnow v0.5.15 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling anstream v0.5.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling clap_lex v0.5.1 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling indexmap v2.0.0 [INFO] [stderr] Compiling home v0.5.4 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling clap_builder v4.4.2 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling syn v2.0.8 [INFO] [stderr] Compiling net2 v0.2.38 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling console v0.15.5 [INFO] [stderr] Compiling filetime v0.2.20 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling indicatif v0.17.6 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling regex v1.7.2 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Compiling clap v4.4.3 [INFO] [stderr] Compiling serde_spanned v0.6.3 [INFO] [stderr] Compiling toml_datetime v0.6.3 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling toml v0.7.8 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.05s [INFO] running `Command { std: "docker" "inspect" "6dd300d3beaaae8889346d2882bc1606efe8d142848da93bc433391e40d833de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dd300d3beaaae8889346d2882bc1606efe8d142848da93bc433391e40d833de", kill_on_drop: false }` [INFO] [stdout] 6dd300d3beaaae8889346d2882bc1606efe8d142848da93bc433391e40d833de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 269d9882522fe492b01c2a1b7a5d5898e153c0c84487aff05b3f543f23c29490 [INFO] running `Command { std: "docker" "start" "-a" "269d9882522fe492b01c2a1b7a5d5898e153c0c84487aff05b3f543f23c29490", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling regex-automata v0.3.8 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling bstr v1.6.2 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling predicates v3.0.3 [INFO] [stderr] Compiling assert_cmd v2.0.12 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `glob::glob` [INFO] [stdout] --> tests/integration_tests.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use glob::glob; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> tests/integration_tests.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> tests/integration_tests.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.47s [INFO] running `Command { std: "docker" "inspect" "269d9882522fe492b01c2a1b7a5d5898e153c0c84487aff05b3f543f23c29490", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "269d9882522fe492b01c2a1b7a5d5898e153c0c84487aff05b3f543f23c29490", kill_on_drop: false }` [INFO] [stdout] 269d9882522fe492b01c2a1b7a5d5898e153c0c84487aff05b3f543f23c29490 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3d4dbbcadb404bf874cb328ac911b2ef11a27ca0eb4302c4b05bb76ed51ec435 [INFO] running `Command { std: "docker" "start" "-a" "3d4dbbcadb404bf874cb328ac911b2ef11a27ca0eb4302c4b05bb76ed51ec435", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `glob::glob` [INFO] [stderr] --> tests/integration_tests.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use glob::glob; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> tests/integration_tests.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> tests/integration_tests.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rustlings` (test "integration_tests") generated 3 warnings (run `cargo fix --test "integration_tests"` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-25cebbd88663a470) [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:273:35: [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: 0x5a043a2bc050 - std::backtrace_rs::backtrace::libunwind::trace::h8ddfbb338e69e199 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5a043a2bc050 - std::backtrace_rs::backtrace::trace_unsynchronized::h4b42ed801e8ee862 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5a043a2bc050 - std::sys::backtrace::_print_fmt::hb90198f2c10bf707 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5a043a2bc050 - ::fmt::h0f123f0656f13ecf [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5a043a2e29d3 - core::fmt::rt::Argument::fmt::h12e51c1529489cd8 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5a043a2e29d3 - core::fmt::write::h0abcdef7aa759353 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x5a043a2b9163 - std::io::Write::write_fmt::h7dca996477fd2572 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x5a043a2bbea2 - std::sys::backtrace::BacktraceLock::print::h759bdab738e31d9d [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5a043a2bd47f - std::panicking::default_hook::{{closure}}::h0616f7020c8b9e0d [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x5a043a2bd298 - std::panicking::default_hook::hcb4bf3fe9044f7f6 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x5a043a145995 - as core::ops::function::Fn>::call::h279e54743b3b5624 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 11: 0x5a043a145995 - test::test_main::{{closure}}::h1534cf01c0e4ff40 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x5a043a2bdef3 - as core::ops::function::Fn>::call::h1e945e436dfc22a7 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 13: 0x5a043a2bdef3 - std::panicking::rust_panic_with_hook::h2fd8d6252462d800 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x5a043a2bdbca - std::panicking::begin_panic_handler::{{closure}}::h746cf6ba43e1c73f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x5a043a2bc569 - std::sys::backtrace::__rust_end_short_backtrace::hba3f7b171935b491 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5a043a2bd85d - rust_begin_unwind [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x5a043a0ff410 - core::panicking::panic_fmt::h34cc4efb1683329b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x5a043a0ff8b6 - core::result::unwrap_failed::h7658f905fcb0751c [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x5a043a109682 - core::result::Result::unwrap::h8fe93b9c534d71de [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x5a043a109682 - rustlings::exercise::test::test_clean::h503eb5ec93db051c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:273:9 [INFO] [stdout] 21: 0x5a043a109607 - rustlings::exercise::test::test_clean::{{closure}}::h24c8bb5e5a7d852b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:272:20 [INFO] [stdout] 22: 0x5a043a107456 - core::ops::function::FnOnce::call_once::h1fe9f1c417e032d0 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5a043a14b18b - core::ops::function::FnOnce::call_once::h646a81b1a0ee3114 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5a043a14b18b - test::__rust_begin_short_backtrace::h9737b749cdf20b73 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:637:18 [INFO] [stdout] 25: 0x5a043a14a008 - test::run_test_in_process::{{closure}}::hc9246156bf12c5e3 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:660:60 [INFO] [stdout] 26: 0x5a043a14a008 - as core::ops::function::FnOnce<()>>::call_once::hd187ec090a91a453 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5a043a14a008 - std::panicking::try::do_call::hb7490276b7008401 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x5a043a14a008 - std::panicking::try::hde59a334d39e511f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x5a043a14a008 - std::panic::catch_unwind::h777cbed9f782814a [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5a043a14a008 - test::run_test_in_process::h6282ed78cab70f02 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:660:27 [INFO] [stdout] 31: 0x5a043a14a008 - test::run_test::{{closure}}::ha4e6ef53f436d64b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:581:43 [INFO] [stdout] 32: 0x5a043a10df95 - test::run_test::{{closure}}::he11a461bf23e93a3 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:611:41 [INFO] [stdout] 33: 0x5a043a10df95 - std::sys::backtrace::__rust_begin_short_backtrace::h25c92ff64d2c4388 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5a043a11196a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6e893de0bbdcdcce [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x5a043a11196a - as core::ops::function::FnOnce<()>>::call_once::h2b3c3ff4a3a96573 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5a043a11196a - std::panicking::try::do_call::hcc3185a4abc5431b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x5a043a11196a - std::panicking::try::hc832a415a1d2ee28 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x5a043a11196a - std::panic::catch_unwind::h5e16acac36e3f225 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5a043a11196a - std::thread::Builder::spawn_unchecked_::{{closure}}::h9863d22f929fcd53 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x5a043a11196a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h707ec2cca9db5939 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5a043a2c1e6b - as core::ops::function::FnOnce>::call_once::h5f64cf9bc27988da [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 42: 0x5a043a2c1e6b - as core::ops::function::FnOnce>::call_once::h2964712f7a7284c7 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 43: 0x5a043a2c1e6b - std::sys::pal::unix::thread::Thread::new::thread_start::h22ff3573f90e72f2 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x7b1c584ceac3 - [INFO] [stdout] 45: 0x7b1c5855fa04 - clone [INFO] [stdout] 46: 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:346:38: [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/./rmeta4LWXX8\"\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: 0x5a043a2bc050 - std::backtrace_rs::backtrace::libunwind::trace::h8ddfbb338e69e199 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5a043a2bc050 - std::backtrace_rs::backtrace::trace_unsynchronized::h4b42ed801e8ee862 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5a043a2bc050 - std::sys::backtrace::_print_fmt::hb90198f2c10bf707 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5a043a2bc050 - ::fmt::h0f123f0656f13ecf [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5a043a2e29d3 - core::fmt::rt::Argument::fmt::h12e51c1529489cd8 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5a043a2e29d3 - core::fmt::write::h0abcdef7aa759353 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x5a043a2b9163 - std::io::Write::write_fmt::h7dca996477fd2572 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x5a043a2bbea2 - std::sys::backtrace::BacktraceLock::print::h759bdab738e31d9d [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5a043a2bd47f - std::panicking::default_hook::{{closure}}::h0616f7020c8b9e0d [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x5a043a2bd298 - std::panicking::default_hook::hcb4bf3fe9044f7f6 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x5a043a145995 - as core::ops::function::Fn>::call::h279e54743b3b5624 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 11: 0x5a043a145995 - test::test_main::{{closure}}::h1534cf01c0e4ff40 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x5a043a2bdef3 - as core::ops::function::Fn>::call::h1e945e436dfc22a7 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 13: 0x5a043a2bdef3 - std::panicking::rust_panic_with_hook::h2fd8d6252462d800 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x5a043a2bdbca - std::panicking::begin_panic_handler::{{closure}}::h746cf6ba43e1c73f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x5a043a2bc569 - std::sys::backtrace::__rust_end_short_backtrace::hba3f7b171935b491 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5a043a2bd85d - rust_begin_unwind [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x5a043a0ff410 - core::panicking::panic_fmt::h34cc4efb1683329b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x5a043a0ff8b6 - core::result::unwrap_failed::h7658f905fcb0751c [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x5a043a10a4fa - core::result::Result::unwrap::h83f9418068aec1f9 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x5a043a10a4fa - rustlings::exercise::test::test_exercise_with_output::h469758c2df66a442 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:346:19 [INFO] [stdout] 21: 0x5a043a10a307 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hb76798381f4dbc46 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:339:35 [INFO] [stdout] 22: 0x5a043a1074d6 - core::ops::function::FnOnce::call_once::h60e84b220626b98e [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5a043a14b18b - core::ops::function::FnOnce::call_once::h646a81b1a0ee3114 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5a043a14b18b - test::__rust_begin_short_backtrace::h9737b749cdf20b73 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:637:18 [INFO] [stdout] 25: 0x5a043a14a008 - test::run_test_in_process::{{closure}}::hc9246156bf12c5e3 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:660:60 [INFO] [stdout] 26: 0x5a043a14a008 - as core::ops::function::FnOnce<()>>::call_once::hd187ec090a91a453 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5a043a14a008 - std::panicking::try::do_call::hb7490276b7008401 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x5a043a14a008 - std::panicking::try::hde59a334d39e511f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x5a043a14a008 - std::panic::catch_unwind::h777cbed9f782814a [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5a043a14a008 - test::run_test_in_process::h6282ed78cab70f02 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:660:27 [INFO] [stdout] 31: 0x5a043a14a008 - test::run_test::{{closure}}::ha4e6ef53f436d64b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:581:43 [INFO] [stdout] 32: 0x5a043a10df95 - test::run_test::{{closure}}::he11a461bf23e93a3 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:611:41 [INFO] [stdout] 33: 0x5a043a10df95 - std::sys::backtrace::__rust_begin_short_backtrace::h25c92ff64d2c4388 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5a043a11196a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6e893de0bbdcdcce [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x5a043a11196a - as core::ops::function::FnOnce<()>>::call_once::h2b3c3ff4a3a96573 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5a043a11196a - std::panicking::try::do_call::hcc3185a4abc5431b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x5a043a11196a - std::panicking::try::hc832a415a1d2ee28 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x5a043a11196a - std::panic::catch_unwind::h5e16acac36e3f225 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5a043a11196a - std::thread::Builder::spawn_unchecked_::{{closure}}::h9863d22f929fcd53 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x5a043a11196a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h707ec2cca9db5939 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5a043a2c1e6b - as core::ops::function::FnOnce>::call_once::h5f64cf9bc27988da [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 42: 0x5a043a2c1e6b - as core::ops::function::FnOnce>::call_once::h2964712f7a7284c7 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 43: 0x5a043a2c1e6b - std::sys::pal::unix::thread::Thread::new::thread_start::h22ff3573f90e72f2 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x7b1c584ceac3 - [INFO] [stdout] 45: 0x7b1c5855fa04 - clone [INFO] [stdout] 46: 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 0.20s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "3d4dbbcadb404bf874cb328ac911b2ef11a27ca0eb4302c4b05bb76ed51ec435", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d4dbbcadb404bf874cb328ac911b2ef11a27ca0eb4302c4b05bb76ed51ec435", kill_on_drop: false }` [INFO] [stdout] 3d4dbbcadb404bf874cb328ac911b2ef11a27ca0eb4302c4b05bb76ed51ec435