[INFO] cloning repository https://github.com/mumblez/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mumblez/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmumblez%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmumblez%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 15ec46ee0981bb8e1a9dc105f7d2041eedb7dd6f [INFO] testing mumblez/rustlings against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmumblez%2Frustlings" "/workspace/builds/worker-29/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mumblez/rustlings on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mumblez/rustlings [INFO] finished tweaking git repo https://github.com/mumblez/rustlings [INFO] tweaked toml for git repo https://github.com/mumblez/rustlings written to /workspace/builds/worker-29/source/Cargo.toml [INFO] crate git repo https://github.com/mumblez/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded notify v4.0.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea220ddc4ac456ee4e7c8c338d624c11956bbafea5bff3b7af78619d7e5c3a95 [INFO] running `Command { std: "docker" "start" "-a" "ea220ddc4ac456ee4e7c8c338d624c11956bbafea5bff3b7af78619d7e5c3a95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea220ddc4ac456ee4e7c8c338d624c11956bbafea5bff3b7af78619d7e5c3a95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea220ddc4ac456ee4e7c8c338d624c11956bbafea5bff3b7af78619d7e5c3a95", kill_on_drop: false }` [INFO] [stdout] ea220ddc4ac456ee4e7c8c338d624c11956bbafea5bff3b7af78619d7e5c3a95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8d24e6603a552780df97ee5ae4e057050691a9305f70064207b52c697695202 [INFO] running `Command { std: "docker" "start" "-a" "f8d24e6603a552780df97ee5ae4e057050691a9305f70064207b52c697695202", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.16 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.16 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling argh v0.1.4 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.24s [INFO] running `Command { std: "docker" "inspect" "f8d24e6603a552780df97ee5ae4e057050691a9305f70064207b52c697695202", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8d24e6603a552780df97ee5ae4e057050691a9305f70064207b52c697695202", kill_on_drop: false }` [INFO] [stdout] f8d24e6603a552780df97ee5ae4e057050691a9305f70064207b52c697695202 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3716fc2a7ed82e9d1c5a4aa38afeac6e80b6ded411e88469b0644309d8e4d335 [INFO] running `Command { std: "docker" "start" "-a" "3716fc2a7ed82e9d1c5a4aa38afeac6e80b6ded411e88469b0644309d8e4d335", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates-tree v1.0.2 [INFO] [stderr] Compiling predicates v1.0.7 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.49s [INFO] running `Command { std: "docker" "inspect" "3716fc2a7ed82e9d1c5a4aa38afeac6e80b6ded411e88469b0644309d8e4d335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3716fc2a7ed82e9d1c5a4aa38afeac6e80b6ded411e88469b0644309d8e4d335", kill_on_drop: false }` [INFO] [stdout] 3716fc2a7ed82e9d1c5a4aa38afeac6e80b6ded411e88469b0644309d8e4d335 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5384a58fc2f8d399b0fdce252c9898951309c0ba4e44ee567982444aec1f4cad [INFO] running `Command { std: "docker" "start" "-a" "5384a58fc2f8d399b0fdce252c9898951309c0ba4e44ee567982444aec1f4cad", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.26s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustlings-12f4b97b31adfdd6) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_finished_exercise ... 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:270:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55ac539a2dbd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55ac539a2dbd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ac539a2dbd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55ac539a2dbd - ::fmt::h606862f787600875 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55ac539c858c - core::fmt::write::he803f0f418caf762 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x55ac5399e698 - std::io::Write::write_fmt::hbe7c1a63616291e2 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x55ac539a5097 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55ac539a5097 - std::sys_common::backtrace::print::h359300b4a7fccf65 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55ac539a5097 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55ac539a4dcc - std::panicking::default_hook::h03ca0f22e1d2d25e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55ac539a57e9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55ac539a54d7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55ac539a3284 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55ac539a51e9 - rust_begin_unwind [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55ac537b3673 - core::panicking::panic_fmt::he1bbc7336d49a357 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55ac537b3763 - core::result::unwrap_failed::h719f957ed74f93fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x55ac537bcd89 - core::result::Result::unwrap::h42e87b5935a0c8c2 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1065:23 [INFO] [stdout] 17: 0x55ac537c11d4 - rustlings::exercise::test::test_clean::hcdf3bf81257bedb8 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 18: 0x55ac537c115a - rustlings::exercise::test::test_clean::{{closure}}::h5b9ba4e2e8530c94 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:5 [INFO] [stdout] 19: 0x55ac537bf4ce - core::ops::function::FnOnce::call_once::he03498fcb49ed5bc [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55ac537f5603 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55ac537f5603 - test::__rust_begin_short_backtrace::h594ef8055a183b9b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x55ac537f42e4 - as core::ops::function::FnOnce>::call_once::hb40cbb8bc3e1be15 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 23: 0x55ac537f42e4 - as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55ac537f42e4 - std::panicking::try::do_call::h92af9f8bc77a5987 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55ac537f42e4 - std::panicking::try::h9df49eeae42572b7 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55ac537f42e4 - std::panic::catch_unwind::h101dbadc82bbe0fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55ac537f42e4 - test::run_test_in_process::h2ad7bffb068e750a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x55ac537f42e4 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x55ac537fdc01 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x55ac537fdc01 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55ac537ca27f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x55ac537ca27f - as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55ac537ca27f - std::panicking::try::do_call::h6d5dc1045d0eade8 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55ac537ca27f - std::panicking::try::hbc897fc717ec6571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55ac537ca27f - std::panic::catch_unwind::h27f1e958c91391ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55ac537ca27f - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x55ac537ca27f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55ac539ab6a3 - as core::ops::function::FnOnce>::call_once::hf70ac038171e3e1a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 39: 0x55ac539ab6a3 - as core::ops::function::FnOnce>::call_once::he6690128792365ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 40: 0x55ac539ab6a3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f6f9864c609 - start_thread [INFO] [stdout] 42: 0x7f6f987a1163 - 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_ThreadId3.4sz3ktp332vdzwl9.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:343:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55ac539a2dbd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55ac539a2dbd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ac539a2dbd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55ac539a2dbd - ::fmt::h606862f787600875 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55ac539c858c - core::fmt::write::he803f0f418caf762 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x55ac5399e698 - std::io::Write::write_fmt::hbe7c1a63616291e2 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x55ac539a5097 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55ac539a5097 - std::sys_common::backtrace::print::h359300b4a7fccf65 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55ac539a5097 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55ac539a4dcc - std::panicking::default_hook::h03ca0f22e1d2d25e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55ac539a57e9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55ac539a54d7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55ac539a3284 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55ac539a51e9 - rust_begin_unwind [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55ac537b3673 - core::panicking::panic_fmt::he1bbc7336d49a357 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55ac537b3763 - core::result::unwrap_failed::h719f957ed74f93fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x55ac537bce32 - core::result::Result::unwrap::hc0f89dfbc8913c98 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1065:23 [INFO] [stdout] 17: 0x55ac537c1dfc - rustlings::exercise::test::test_exercise_with_output::h489052396d7e72d7 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 18: 0x55ac537c1cba - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hff270da679c51957 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:5 [INFO] [stdout] 19: 0x55ac537bf3be - core::ops::function::FnOnce::call_once::h9be4b7a07e2f44e5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55ac537f5603 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55ac537f5603 - test::__rust_begin_short_backtrace::h594ef8055a183b9b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x55ac537f42e4 - as core::ops::function::FnOnce>::call_once::hb40cbb8bc3e1be15 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 23: 0x55ac537f42e4 - as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55ac537f42e4 - std::panicking::try::do_call::h92af9f8bc77a5987 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55ac537f42e4 - std::panicking::try::h9df49eeae42572b7 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55ac537f42e4 - std::panic::catch_unwind::h101dbadc82bbe0fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55ac537f42e4 - test::run_test_in_process::h2ad7bffb068e750a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x55ac537f42e4 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x55ac537fdc01 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x55ac537fdc01 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55ac537ca27f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x55ac537ca27f - as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55ac537ca27f - std::panicking::try::do_call::h6d5dc1045d0eade8 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55ac537ca27f - std::panicking::try::hbc897fc717ec6571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55ac537ca27f - std::panic::catch_unwind::h27f1e958c91391ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55ac537ca27f - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x55ac537ca27f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55ac539ab6a3 - as core::ops::function::FnOnce>::call_once::hf70ac038171e3e1a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 39: 0x55ac539ab6a3 - as core::ops::function::FnOnce>::call_once::he6690128792365ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 40: 0x55ac539ab6a3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f6f9864c609 - start_thread [INFO] [stdout] 42: 0x7f6f987a1163 - 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" "5384a58fc2f8d399b0fdce252c9898951309c0ba4e44ee567982444aec1f4cad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5384a58fc2f8d399b0fdce252c9898951309c0ba4e44ee567982444aec1f4cad", kill_on_drop: false }` [INFO] [stdout] 5384a58fc2f8d399b0fdce252c9898951309c0ba4e44ee567982444aec1f4cad