[INFO] cloning repository https://github.com/genuinebnt/rustlings-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genuinebnt/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Frustlings-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Frustlings-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dcd92cc200075396532b33743481c72eb71fcc0
[INFO] testing genuinebnt/rustlings-solutions against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Frustlings-solutions" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/genuinebnt/rustlings-solutions on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/genuinebnt/rustlings-solutions
[INFO] finished tweaking git repo https://github.com/genuinebnt/rustlings-solutions
[INFO] tweaked toml for git repo https://github.com/genuinebnt/rustlings-solutions written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/genuinebnt/rustlings-solutions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4925e9b031411f328cff15d4c5dd97fdd4735153aebd5de76ede67c9233f8e3d
[INFO] running `Command { std: "docker" "start" "-a" "4925e9b031411f328cff15d4c5dd97fdd4735153aebd5de76ede67c9233f8e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4925e9b031411f328cff15d4c5dd97fdd4735153aebd5de76ede67c9233f8e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4925e9b031411f328cff15d4c5dd97fdd4735153aebd5de76ede67c9233f8e3d", kill_on_drop: false }`
[INFO] [stdout] 4925e9b031411f328cff15d4c5dd97fdd4735153aebd5de76ede67c9233f8e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a94e5e81fc657c3caaace14dc1b8c87a0629ffe3f2ab230a5126a9c20e815a85
[INFO] running `Command { std: "docker" "start" "-a" "a94e5e81fc657c3caaace14dc1b8c87a0629ffe3f2ab230a5126a9c20e815a85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
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[INFO] [stderr]    Compiling net2 v0.2.37
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[INFO] [stderr]    Compiling parking_lot_core v0.8.3
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[INFO] [stderr]    Compiling termios v0.3.3
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
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[INFO] [stderr]    Compiling notify v4.0.16
[INFO] [stderr]    Compiling console v0.14.1
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[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling indicatif v0.10.3
[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 29.83s
[INFO] running `Command { std: "docker" "inspect" "a94e5e81fc657c3caaace14dc1b8c87a0629ffe3f2ab230a5126a9c20e815a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94e5e81fc657c3caaace14dc1b8c87a0629ffe3f2ab230a5126a9c20e815a85", kill_on_drop: false }`
[INFO] [stdout] a94e5e81fc657c3caaace14dc1b8c87a0629ffe3f2ab230a5126a9c20e815a85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 358f24c687474e80abc851ec2b7b0047f38f914fe49776d8847458cb2c68466c
[INFO] running `Command { std: "docker" "start" "-a" "358f24c687474e80abc851ec2b7b0047f38f914fe49776d8847458cb2c68466c", 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 difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.5
[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 5.17s
[INFO] running `Command { std: "docker" "inspect" "358f24c687474e80abc851ec2b7b0047f38f914fe49776d8847458cb2c68466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358f24c687474e80abc851ec2b7b0047f38f914fe49776d8847458cb2c68466c", kill_on_drop: false }`
[INFO] [stdout] 358f24c687474e80abc851ec2b7b0047f38f914fe49776d8847458cb2c68466c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a0dd92d5dfdf3d658350113d97e9291e87122f288054b011b84ccdade6801e4
[INFO] running `Command { std: "docker" "start" "-a" "8a0dd92d5dfdf3d658350113d97e9291e87122f288054b011b84ccdade6801e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustlings-0ade36ab647299ad)
[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:270:36
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564c3787cdac - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x564c3787cdac - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564c3787cdac - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x564c3787cdac - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x564c3789fccc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x564c37878cc5 - std::io::Write::write_fmt::h21d7683cabdb4c35
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x564c3787e800 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x564c3787e800 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x564c3787e800 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x564c3787e3e6 - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x564c3787eeb4 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x564c3787e990 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x564c3787d264 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x564c3787e8f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x564c37686d81 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14
[INFO] [stdout]   15:     0x564c37686e73 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1613:5
[INFO] [stdout]   16:     0x564c37692c5d - core::result::Result<T,E>::unwrap::heecb85936e4a04fd
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1295:23
[INFO] [stdout]   17:     0x564c3768b2a3 - rustlings::exercise::test::test_clean::h93fcad62f460eef6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:270:9
[INFO] [stdout]   18:     0x564c3768b25a - rustlings::exercise::test::test_clean::{{closure}}::hf46fb6969c623ed5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:269:5
[INFO] [stdout]   19:     0x564c3769327e - core::ops::function::FnOnce::call_once::had25d354bc87bad2
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x564c376d2683 - core::ops::function::FnOnce::call_once::h449577f1c5b077cb
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x564c376d2683 - test::__rust_begin_short_backtrace::h8c2a0a5090591869
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:585:5
[INFO] [stdout]   22:     0x564c376d1217 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hea00a22128a38543
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   23:     0x564c376d1217 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he10b35c3c50d78a0
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x564c376d1217 - std::panicking::try::do_call::hc868e78bbc5af2ab
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stdout]   25:     0x564c376d1217 - std::panicking::try::he468aede74df1b04
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stdout]   26:     0x564c376d1217 - std::panic::catch_unwind::hce3c9152e1cf772d
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stdout]   27:     0x564c376d1217 - test::run_test_in_process::h9c4ab8162080cf8c
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:608:18
[INFO] [stdout]   28:     0x564c376d1217 - test::run_test::run_test_inner::{{closure}}::he9483433cef16afe
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:500:39
[INFO] [stdout]   29:     0x564c3769e55e - test::run_test::run_test_inner::{{closure}}::h479f1f872a5501ea
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:527:37
[INFO] [stdout]   30:     0x564c3769e55e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f1e9b1f279687bc
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   31:     0x564c376a3388 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he5560613c5f5cb83
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   32:     0x564c376a3388 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8190a68cb05ab92f
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x564c376a3388 - std::panicking::try::do_call::h6ae22f5ac22596e4
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stdout]   34:     0x564c376a3388 - std::panicking::try::h2381c25487d6a7c2
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stdout]   35:     0x564c376a3388 - std::panic::catch_unwind::hfe902f4d5c9d7b6d
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stdout]   36:     0x564c376a3388 - std::thread::Builder::spawn_unchecked::{{closure}}::h547fad40771a584e
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   37:     0x564c376a3388 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8602a9971738410
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x564c37883c33 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he162a5c338a10a39
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   39:     0x564c37883c33 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb27497b21740dd97
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   40:     0x564c37883c33 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7fb2a1304609 - start_thread
[INFO] [stdout]   42:     0x7fb2a145b293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[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_ThreadId3.4yb83bihoeyrwl19.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:     0x564c3787cdac - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x564c3787cdac - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564c3787cdac - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x564c3787cdac - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x564c3789fccc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x564c37878cc5 - std::io::Write::write_fmt::h21d7683cabdb4c35
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x564c3787e800 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x564c3787e800 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x564c3787e800 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x564c3787e3e6 - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x564c3787eeb4 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x564c3787e990 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x564c3787d264 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x564c3787e8f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x564c37686d81 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14
[INFO] [stdout]   15:     0x564c37686e73 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1613:5
[INFO] [stdout]   16:     0x564c37692bd2 - core::result::Result<T,E>::unwrap::h596cfae14e1b9937
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1295:23
[INFO] [stdout]   17:     0x564c3768becc - rustlings::exercise::test::test_exercise_with_output::h8dcfce643f5dc765
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:343:19
[INFO] [stdout]   18:     0x564c3768bd8a - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hc0cec318c67f9220
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:336:5
[INFO] [stdout]   19:     0x564c3769313e - core::ops::function::FnOnce::call_once::h2fc3e638a891a293
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x564c376d2683 - core::ops::function::FnOnce::call_once::h449577f1c5b077cb
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x564c376d2683 - test::__rust_begin_short_backtrace::h8c2a0a5090591869
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:585:5
[INFO] [stdout]   22:     0x564c376d1217 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hea00a22128a38543
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   23:     0x564c376d1217 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he10b35c3c50d78a0
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x564c376d1217 - std::panicking::try::do_call::hc868e78bbc5af2ab
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stdout]   25:     0x564c376d1217 - std::panicking::try::he468aede74df1b04
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stdout]   26:     0x564c376d1217 - std::panic::catch_unwind::hce3c9152e1cf772d
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stdout]   27:     0x564c376d1217 - test::run_test_in_process::h9c4ab8162080cf8c
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:608:18
[INFO] [stdout]   28:     0x564c376d1217 - test::run_test::run_test_inner::{{closure}}::he9483433cef16afe
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:500:39
[INFO] [stdout]   29:     0x564c3769e55e - test::run_test::run_test_inner::{{closure}}::h479f1f872a5501ea
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:527:37
[INFO] [stdout]   30:     0x564c3769e55e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f1e9b1f279687bc
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   31:     0x564c376a3388 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he5560613c5f5cb83
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   32:     0x564c376a3388 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8190a68cb05ab92f
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x564c376a3388 - std::panicking::try::do_call::h6ae22f5ac22596e4
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stdout]   34:     0x564c376a3388 - std::panicking::try::h2381c25487d6a7c2
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stdout]   35:     0x564c376a3388 - std::panic::catch_unwind::hfe902f4d5c9d7b6d
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stdout]   36:     0x564c376a3388 - std::thread::Builder::spawn_unchecked::{{closure}}::h547fad40771a584e
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   37:     0x564c376a3388 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8602a9971738410
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x564c37883c33 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he162a5c338a10a39
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   39:     0x564c37883c33 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb27497b21740dd97
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   40:     0x564c37883c33 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136
[INFO] [stdout]                                at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7fb2a1304609 - start_thread
[INFO] [stdout]   42:     0x7fb2a145b293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[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" "8a0dd92d5dfdf3d658350113d97e9291e87122f288054b011b84ccdade6801e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0dd92d5dfdf3d658350113d97e9291e87122f288054b011b84ccdade6801e4", kill_on_drop: false }`
[INFO] [stdout] 8a0dd92d5dfdf3d658350113d97e9291e87122f288054b011b84ccdade6801e4