[INFO] cloning repository https://github.com/Samed-Hamma/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Samed-Hamma/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamed-Hamma%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamed-Hamma%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 59ace14ed5fe390847fc91823acda5308f20c632 [INFO] testing Samed-Hamma/rustlings against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamed-Hamma%2Frustlings" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Samed-Hamma/rustlings on toolchain 6c20ab744b0f82646d90ce9d25894823abc9c669 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Samed-Hamma/rustlings [INFO] finished tweaking git repo https://github.com/Samed-Hamma/rustlings [INFO] tweaked toml for git repo https://github.com/Samed-Hamma/rustlings written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Samed-Hamma/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ffc6cbc35ea58fed9da855071f2be2a3cf6a68432bab64d985073642af5378e6 [INFO] running `Command { std: "docker" "start" "-a" "ffc6cbc35ea58fed9da855071f2be2a3cf6a68432bab64d985073642af5378e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffc6cbc35ea58fed9da855071f2be2a3cf6a68432bab64d985073642af5378e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffc6cbc35ea58fed9da855071f2be2a3cf6a68432bab64d985073642af5378e6", kill_on_drop: false }` [INFO] [stdout] ffc6cbc35ea58fed9da855071f2be2a3cf6a68432bab64d985073642af5378e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2616d374dba31f368a078d9563bdd1db2ceb579e456329e7e8d01c17e0b83704 [INFO] running `Command { std: "docker" "start" "-a" "2616d374dba31f368a078d9563bdd1db2ceb579e456329e7e8d01c17e0b83704", 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 semver-parser v0.7.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling memchr v2.2.0 [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 unicode-width v0.1.5 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [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 textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [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 rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [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 clap v2.33.0 [INFO] [stderr] Compiling inotify v0.7.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling notify v4.0.15 [INFO] [stderr] Compiling console v0.8.0 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.71s [INFO] running `Command { std: "docker" "inspect" "2616d374dba31f368a078d9563bdd1db2ceb579e456329e7e8d01c17e0b83704", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2616d374dba31f368a078d9563bdd1db2ceb579e456329e7e8d01c17e0b83704", kill_on_drop: false }` [INFO] [stdout] 2616d374dba31f368a078d9563bdd1db2ceb579e456329e7e8d01c17e0b83704 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f27059cdffe949982d90d5a8dcb58b1dbd73507847fc726dc79e8a3a71fe949 [INFO] running `Command { std: "docker" "start" "-a" "9f27059cdffe949982d90d5a8dcb58b1dbd73507847fc726dc79e8a3a71fe949", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling float-cmp v0.4.0 [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 v4.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.01s [INFO] running `Command { std: "docker" "inspect" "9f27059cdffe949982d90d5a8dcb58b1dbd73507847fc726dc79e8a3a71fe949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f27059cdffe949982d90d5a8dcb58b1dbd73507847fc726dc79e8a3a71fe949", kill_on_drop: false }` [INFO] [stdout] 9f27059cdffe949982d90d5a8dcb58b1dbd73507847fc726dc79e8a3a71fe949 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2a47a503f0165a5f02a745ea1d689e37c3a07287b9b19b1fe89a914dea8eaf0d [INFO] running `Command { std: "docker" "start" "-a" "2a47a503f0165a5f02a745ea1d689e37c3a07287b9b19b1fe89a914dea8eaf0d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-4cd3d4ef980ee747) [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:265:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x557ea5578540 - std::backtrace_rs::backtrace::libunwind::trace::h5cec5ee957007983 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x557ea5578540 - std::backtrace_rs::backtrace::trace_unsynchronized::h3912ce6f9cd18e05 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x557ea5578540 - std::sys_common::backtrace::_print_fmt::h0b3fbca24cbc1b41 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x557ea5578540 - ::fmt::hc7b35b5b2e247560 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x557ea559b3cc - core::fmt::write::h2d806358caa3f689 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/fmt/mod.rs:1198:17 [INFO] [stdout] 5: 0x557ea5574f45 - std::io::Write::write_fmt::hf9535056206ea98c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/io/mod.rs:1672:15 [INFO] [stdout] 6: 0x557ea5579f81 - std::sys_common::backtrace::_print::h51a933838ceebaa0 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x557ea5579f81 - std::sys_common::backtrace::print::hc53e3ead445b016c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x557ea5579f81 - std::panicking::default_hook::{{closure}}::hbc895cb9b7ebea62 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x557ea5579bd6 - std::panicking::default_hook::h664409a8548f2cc0 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x557ea557a623 - std::panicking::rust_panic_with_hook::h947033eb042c9758 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x557ea557a517 - std::panicking::begin_panic_handler::{{closure}}::haef8fa2237a58bae [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x557ea5578a14 - std::sys_common::backtrace::__rust_end_short_backtrace::hadb599ff5bdd6123 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x557ea557a242 - rust_begin_unwind [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x557ea539f283 - core::panicking::panic_fmt::hcf9e3bddea69ce9b [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x557ea539f373 - core::result::unwrap_failed::h19364dd252eca818 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/result.rs:1805:5 [INFO] [stdout] 16: 0x557ea53a65a0 - core::result::Result::unwrap::h98ca38f8e9be86bd [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/result.rs:1098:23 [INFO] [stdout] 17: 0x557ea53a3c99 - rustlings::exercise::test::test_clean::h450e1750ab90b627 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:265:9 [INFO] [stdout] 18: 0x557ea53a3c2a - rustlings::exercise::test::test_clean::{{closure}}::he9b9bf412f2f9409 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:264:5 [INFO] [stdout] 19: 0x557ea53a1d3e - core::ops::function::FnOnce::call_once::h9e0914478a3df1de [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x557ea53e57d3 - core::ops::function::FnOnce::call_once::ha891352f3b456c56 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x557ea53e57d3 - test::__rust_begin_short_backtrace::he74ff8fcbc6e1bf3 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x557ea53e455c - as core::ops::function::FnOnce>::call_once::ha7d4b5f90d4ff94a [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 23: 0x557ea53e455c - as core::ops::function::FnOnce<()>>::call_once::hff61630ec6da6d9c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x557ea53e455c - std::panicking::try::do_call::h25bb9ce20414cc9e [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x557ea53e455c - std::panicking::try::h879f2193a4184aae [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x557ea53e455c - std::panic::catch_unwind::hef4ed77ae7d42ef7 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x557ea53e455c - test::run_test_in_process::h45393ffc6f2bda93 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x557ea53e455c - test::run_test::run_test_inner::{{closure}}::h374abe809bc519ae [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x557ea53b019c - test::run_test::run_test_inner::{{closure}}::h8d8ea5cb4864a81a [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x557ea53b019c - std::sys_common::backtrace::__rust_begin_short_backtrace::hae3d1543273744a4 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x557ea53b60df - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9979fffcdc02fb98 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/thread/mod.rs:505:17 [INFO] [stdout] 32: 0x557ea53b60df - as core::ops::function::FnOnce<()>>::call_once::h43a127bea61ae81a [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x557ea53b60df - std::panicking::try::do_call::h1dd85209b01bc737 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x557ea53b60df - std::panicking::try::h308a79a6f4b54c2d [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x557ea53b60df - std::panic::catch_unwind::h5cf0d96d2eddcf0c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x557ea53b60df - std::thread::Builder::spawn_unchecked_::{{closure}}::hcc55c81e5bc7e1fc [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/thread/mod.rs:504:30 [INFO] [stdout] 37: 0x557ea53b60df - core::ops::function::FnOnce::call_once{{vtable.shim}}::h53c6f5ca915705b9 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x557ea557ed73 - as core::ops::function::FnOnce>::call_once::h8644474d961275e7 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 39: 0x557ea557ed73 - as core::ops::function::FnOnce>::call_once::hfd68b25ee06fd9db [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 40: 0x557ea557ed73 - std::sys::unix::thread::Thread::new::thread_start::heb02daf84d178e59 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f2e6d17a609 - start_thread [INFO] [stdout] 42: 0x7f2e6d2cf133 - 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: could not write output to ./temp_8_ThreadId3.629264l4it2da9l.rcgu.o: Read-only file system\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:338:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x557ea5578540 - std::backtrace_rs::backtrace::libunwind::trace::h5cec5ee957007983 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x557ea5578540 - std::backtrace_rs::backtrace::trace_unsynchronized::h3912ce6f9cd18e05 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x557ea5578540 - std::sys_common::backtrace::_print_fmt::h0b3fbca24cbc1b41 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x557ea5578540 - ::fmt::hc7b35b5b2e247560 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x557ea559b3cc - core::fmt::write::h2d806358caa3f689 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/fmt/mod.rs:1198:17 [INFO] [stdout] 5: 0x557ea5574f45 - std::io::Write::write_fmt::hf9535056206ea98c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/io/mod.rs:1672:15 [INFO] [stdout] 6: 0x557ea5579f81 - std::sys_common::backtrace::_print::h51a933838ceebaa0 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x557ea5579f81 - std::sys_common::backtrace::print::hc53e3ead445b016c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x557ea5579f81 - std::panicking::default_hook::{{closure}}::hbc895cb9b7ebea62 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x557ea5579bd6 - std::panicking::default_hook::h664409a8548f2cc0 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x557ea557a623 - std::panicking::rust_panic_with_hook::h947033eb042c9758 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x557ea557a517 - std::panicking::begin_panic_handler::{{closure}}::haef8fa2237a58bae [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x557ea5578a14 - std::sys_common::backtrace::__rust_end_short_backtrace::hadb599ff5bdd6123 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x557ea557a242 - rust_begin_unwind [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x557ea539f283 - core::panicking::panic_fmt::hcf9e3bddea69ce9b [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x557ea539f373 - core::result::unwrap_failed::h19364dd252eca818 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/result.rs:1805:5 [INFO] [stdout] 16: 0x557ea53a6502 - core::result::Result::unwrap::h4f828c43bbc84e95 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/result.rs:1098:23 [INFO] [stdout] 17: 0x557ea53a48fc - rustlings::exercise::test::test_exercise_with_output::hc9f1ea8ddcc56eac [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:338:19 [INFO] [stdout] 18: 0x557ea53a478a - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h293b92968f8d3083 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:331:5 [INFO] [stdout] 19: 0x557ea53a1cfe - core::ops::function::FnOnce::call_once::h836248b84c1f1c7e [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x557ea53e57d3 - core::ops::function::FnOnce::call_once::ha891352f3b456c56 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x557ea53e57d3 - test::__rust_begin_short_backtrace::he74ff8fcbc6e1bf3 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x557ea53e455c - as core::ops::function::FnOnce>::call_once::ha7d4b5f90d4ff94a [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 23: 0x557ea53e455c - as core::ops::function::FnOnce<()>>::call_once::hff61630ec6da6d9c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x557ea53e455c - std::panicking::try::do_call::h25bb9ce20414cc9e [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x557ea53e455c - std::panicking::try::h879f2193a4184aae [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x557ea53e455c - std::panic::catch_unwind::hef4ed77ae7d42ef7 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x557ea53e455c - test::run_test_in_process::h45393ffc6f2bda93 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x557ea53e455c - test::run_test::run_test_inner::{{closure}}::h374abe809bc519ae [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x557ea53b019c - test::run_test::run_test_inner::{{closure}}::h8d8ea5cb4864a81a [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x557ea53b019c - std::sys_common::backtrace::__rust_begin_short_backtrace::hae3d1543273744a4 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x557ea53b60df - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9979fffcdc02fb98 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/thread/mod.rs:505:17 [INFO] [stdout] 32: 0x557ea53b60df - as core::ops::function::FnOnce<()>>::call_once::h43a127bea61ae81a [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x557ea53b60df - std::panicking::try::do_call::h1dd85209b01bc737 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x557ea53b60df - std::panicking::try::h308a79a6f4b54c2d [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x557ea53b60df - std::panic::catch_unwind::h5cf0d96d2eddcf0c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x557ea53b60df - std::thread::Builder::spawn_unchecked_::{{closure}}::hcc55c81e5bc7e1fc [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/thread/mod.rs:504:30 [INFO] [stdout] 37: 0x557ea53b60df - core::ops::function::FnOnce::call_once{{vtable.shim}}::h53c6f5ca915705b9 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x557ea557ed73 - as core::ops::function::FnOnce>::call_once::h8644474d961275e7 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 39: 0x557ea557ed73 - as core::ops::function::FnOnce>::call_once::hfd68b25ee06fd9db [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 40: 0x557ea557ed73 - std::sys::unix::thread::Thread::new::thread_start::heb02daf84d178e59 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f2e6d17a609 - start_thread [INFO] [stdout] 42: 0x7f2e6d2cf133 - 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 0.06s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin rustlings' [INFO] running `Command { std: "docker" "inspect" "2a47a503f0165a5f02a745ea1d689e37c3a07287b9b19b1fe89a914dea8eaf0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a47a503f0165a5f02a745ea1d689e37c3a07287b9b19b1fe89a914dea8eaf0d", kill_on_drop: false }` [INFO] [stdout] 2a47a503f0165a5f02a745ea1d689e37c3a07287b9b19b1fe89a914dea8eaf0d