[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2024-spring-goversion [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-2024-spring-goversion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-goversion", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-goversion'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 748cceddaf7c69fbfee9e6336c7abc7da8005f8c [INFO] testing LearningOS/rust-rustlings-2024-spring-goversion against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-goversion" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2024-spring-goversion [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2024-spring-goversion [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2024-spring-goversion written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2024-spring-goversion on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2024-spring-goversion 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6e50d2b77facb6a480a45adad115e722fda8468bed75319b917dde382c37e38 [INFO] running `Command { std: "docker" "start" "-a" "d6e50d2b77facb6a480a45adad115e722fda8468bed75319b917dde382c37e38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6e50d2b77facb6a480a45adad115e722fda8468bed75319b917dde382c37e38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6e50d2b77facb6a480a45adad115e722fda8468bed75319b917dde382c37e38", kill_on_drop: false }` [INFO] [stdout] d6e50d2b77facb6a480a45adad115e722fda8468bed75319b917dde382c37e38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ecbb6a47c957ac48ec702fbb18efcf2432c34fcedcb5da3b4e97d4d50f755d7 [INFO] running `Command { std: "docker" "start" "-a" "3ecbb6a47c957ac48ec702fbb18efcf2432c34fcedcb5da3b4e97d4d50f755d7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.61s [INFO] running `Command { std: "docker" "inspect" "3ecbb6a47c957ac48ec702fbb18efcf2432c34fcedcb5da3b4e97d4d50f755d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ecbb6a47c957ac48ec702fbb18efcf2432c34fcedcb5da3b4e97d4d50f755d7", kill_on_drop: false }` [INFO] [stdout] 3ecbb6a47c957ac48ec702fbb18efcf2432c34fcedcb5da3b4e97d4d50f755d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a439c0037c4737c608adcbbb41f49cf0f67f316afedae28541ef45f1eb5e7933 [INFO] running `Command { std: "docker" "start" "-a" "a439c0037c4737c608adcbbb41f49cf0f67f316afedae28541ef45f1eb5e7933", kill_on_drop: false }` [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.49s [INFO] running `Command { std: "docker" "inspect" "a439c0037c4737c608adcbbb41f49cf0f67f316afedae28541ef45f1eb5e7933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a439c0037c4737c608adcbbb41f49cf0f67f316afedae28541ef45f1eb5e7933", kill_on_drop: false }` [INFO] [stdout] a439c0037c4737c608adcbbb41f49cf0f67f316afedae28541ef45f1eb5e7933 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 48693135b809e27a773f6d82401edee3da0e325179c15b612079a3a81a9c36b1 [INFO] running `Command { std: "docker" "start" "-a" "48693135b809e27a773f6d82401edee3da0e325179c15b612079a3a81a9c36b1", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/exercise.rs:113:20 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn compile(&self) -> Result { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `rustlings` (bin "rustlings") generated 1 warning (run `cargo fix --bin "rustlings"` to apply 1 suggestion) [INFO] [stderr] warning: `rustlings` (bin "rustlings" test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-656882fefc2a9684) [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' (25) panicked at src/exercise.rs:303:36: [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: 0x5e9b4b4b7fd2 - std::backtrace_rs::backtrace::libunwind::trace::h52580dd202462214 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5e9b4b4b7fd2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc969519abce0f52b [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5e9b4b4b7fd2 - std::sys::backtrace::_print_fmt::hfd5825900b6e0030 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5e9b4b4b7fd2 - ::fmt::h427144ad75cfb218 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5e9b4b4c8e7f - core::fmt::rt::Argument::fmt::hd5ccc9cf97cea7f7 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5e9b4b4c8e7f - core::fmt::write::h593aaf5adf0f5dae [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5e9b4b4851c1 - std::io::default_write_fmt::h305b5a0727055346 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5e9b4b4851c1 - std::io::Write::write_fmt::h76f14a8a88733dc5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5e9b4b491362 - std::sys::backtrace::BacktraceLock::print::h3953113552dca3ca [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5e9b4b495f5f - std::panicking::default_hook::{{closure}}::h486b96ad75eafbb8 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5e9b4b495df1 - std::panicking::default_hook::h99456317c5a1a20c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5e9b4b23a81e - as core::ops::function::Fn>::call::h441e4551014e4cf8 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5e9b4b23a81e - test::test_main_with_exit_callback::{{closure}}::hdbca54e17f1a00e4 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5e9b4b49661f - as core::ops::function::Fn>::call::h1e57b72c4e1d3045 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5e9b4b49661f - std::panicking::panic_with_hook::h67ab0df20212e4ea [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5e9b4b49647a - std::panicking::panic_handler::{{closure}}::hc9e4a933ae92e208 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5e9b4b4914a9 - std::sys::backtrace::__rust_end_short_backtrace::hbfa72df9b68c2d19 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5e9b4b4792bd - __rustc[8cce077e14951490]::rust_begin_unwind [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5e9b4b4d18b0 - core::panicking::panic_fmt::h49931053d20abf41 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5e9b4b4d0cc6 - core::result::unwrap_failed::h7f5a2d4cf85d933f [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/result.rs:1854:5 [INFO] [stdout] 20: 0x5e9b4b20e39c - core::result::Result::unwrap::h97646119f9ee7bb9 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/result.rs:1225:23 [INFO] [stdout] 21: 0x5e9b4b20e39c - rustlings::exercise::test::test_clean::h651dd651f78495e4 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:36 [INFO] [stdout] 22: 0x5e9b4b20e767 - rustlings::exercise::test::test_clean::{{closure}}::h4cefa206f36bbb65 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 23: 0x5e9b4b204ab6 - core::ops::function::FnOnce::call_once::h720f7f8b0f04d52e [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5e9b4b23a5db - core::ops::function::FnOnce::call_once::h5d9016d521f5aee4 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5e9b4b23a5db - test::__rust_begin_short_backtrace::h123fcee610330442 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5e9b4b2500c5 - test::run_test_in_process::{{closure}}::h0442efda2e6359b2 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5e9b4b2500c5 - as core::ops::function::FnOnce<()>>::call_once::hfe3528c8dd09682c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 28: 0x5e9b4b2500c5 - std::panicking::catch_unwind::do_call::hb1659f7844fe8531 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5e9b4b2500c5 - std::panicking::catch_unwind::hdc1f4be0019e72ad [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5e9b4b2500c5 - std::panic::catch_unwind::hd6d7ccfa4513e770 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5e9b4b2500c5 - test::run_test_in_process::h6bbb839ed0802366 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5e9b4b2500c5 - test::run_test::{{closure}}::he4fad7398c8acc11 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5e9b4b226a34 - test::run_test::{{closure}}::h41975797e198d26c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5e9b4b226a34 - std::sys::backtrace::__rust_begin_short_backtrace::hfb46c397857336f1 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5e9b4b22a3da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hddf826a64f532bea [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5e9b4b22a3da - as core::ops::function::FnOnce<()>>::call_once::hc3518c3eab91aeb3 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 37: 0x5e9b4b22a3da - std::panicking::catch_unwind::do_call::h7bf3ad6dc012415a [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5e9b4b22a3da - std::panicking::catch_unwind::h8b88f0375c767e36 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5e9b4b22a3da - std::panic::catch_unwind::h66cb5d61a90f7bc5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5e9b4b22a3da - std::thread::Builder::spawn_unchecked_::{{closure}}::h65bc9d15fb966bbd [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5e9b4b22a3da - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8d2c9a8796342e5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5e9b4b48b43f - as core::ops::function::FnOnce>::call_once::hef12b47e5c033835 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5e9b4b48b43f - std::sys::pal::unix::thread::Thread::new::thread_start::h135087e7c97657bc [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x75c0ac460aa4 - [INFO] [stdout] 45: 0x75c0ac4eda34 - 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' (26) panicked at src/exercise.rs:376:38: [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/./rmetarEsnmr\"\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: 0x5e9b4b4b7fd2 - std::backtrace_rs::backtrace::libunwind::trace::h52580dd202462214 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5e9b4b4b7fd2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc969519abce0f52b [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5e9b4b4b7fd2 - std::sys::backtrace::_print_fmt::hfd5825900b6e0030 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5e9b4b4b7fd2 - ::fmt::h427144ad75cfb218 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5e9b4b4c8e7f - core::fmt::rt::Argument::fmt::hd5ccc9cf97cea7f7 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5e9b4b4c8e7f - core::fmt::write::h593aaf5adf0f5dae [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5e9b4b4851c1 - std::io::default_write_fmt::h305b5a0727055346 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5e9b4b4851c1 - std::io::Write::write_fmt::h76f14a8a88733dc5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5e9b4b491362 - std::sys::backtrace::BacktraceLock::print::h3953113552dca3ca [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5e9b4b495f5f - std::panicking::default_hook::{{closure}}::h486b96ad75eafbb8 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5e9b4b495df1 - std::panicking::default_hook::h99456317c5a1a20c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5e9b4b23a81e - as core::ops::function::Fn>::call::h441e4551014e4cf8 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5e9b4b23a81e - test::test_main_with_exit_callback::{{closure}}::hdbca54e17f1a00e4 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5e9b4b49661f - as core::ops::function::Fn>::call::h1e57b72c4e1d3045 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5e9b4b49661f - std::panicking::panic_with_hook::h67ab0df20212e4ea [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5e9b4b49647a - std::panicking::panic_handler::{{closure}}::hc9e4a933ae92e208 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5e9b4b4914a9 - std::sys::backtrace::__rust_end_short_backtrace::hbfa72df9b68c2d19 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5e9b4b4792bd - __rustc[8cce077e14951490]::rust_begin_unwind [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5e9b4b4d18b0 - core::panicking::panic_fmt::h49931053d20abf41 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5e9b4b4d0cc6 - core::result::unwrap_failed::h7f5a2d4cf85d933f [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/result.rs:1854:5 [INFO] [stdout] 20: 0x5e9b4b20f1d8 - core::result::Result::unwrap::heef08e3ea712d8fd [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/result.rs:1225:23 [INFO] [stdout] 21: 0x5e9b4b20f1d8 - rustlings::exercise::test::test_exercise_with_output::h57c000bc9ed03e73 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:38 [INFO] [stdout] 22: 0x5e9b4b20f457 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h5dcb7e4efcd84213 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 23: 0x5e9b4b204a36 - core::ops::function::FnOnce::call_once::h28f91536421cf8e8 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5e9b4b23a5db - core::ops::function::FnOnce::call_once::h5d9016d521f5aee4 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5e9b4b23a5db - test::__rust_begin_short_backtrace::h123fcee610330442 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5e9b4b2500c5 - test::run_test_in_process::{{closure}}::h0442efda2e6359b2 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5e9b4b2500c5 - as core::ops::function::FnOnce<()>>::call_once::hfe3528c8dd09682c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 28: 0x5e9b4b2500c5 - std::panicking::catch_unwind::do_call::hb1659f7844fe8531 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5e9b4b2500c5 - std::panicking::catch_unwind::hdc1f4be0019e72ad [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5e9b4b2500c5 - std::panic::catch_unwind::hd6d7ccfa4513e770 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5e9b4b2500c5 - test::run_test_in_process::h6bbb839ed0802366 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5e9b4b2500c5 - test::run_test::{{closure}}::he4fad7398c8acc11 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5e9b4b226a34 - test::run_test::{{closure}}::h41975797e198d26c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5e9b4b226a34 - std::sys::backtrace::__rust_begin_short_backtrace::hfb46c397857336f1 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5e9b4b22a3da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hddf826a64f532bea [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5e9b4b22a3da - as core::ops::function::FnOnce<()>>::call_once::hc3518c3eab91aeb3 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 37: 0x5e9b4b22a3da - std::panicking::catch_unwind::do_call::h7bf3ad6dc012415a [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5e9b4b22a3da - std::panicking::catch_unwind::h8b88f0375c767e36 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5e9b4b22a3da - std::panic::catch_unwind::h66cb5d61a90f7bc5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5e9b4b22a3da - std::thread::Builder::spawn_unchecked_::{{closure}}::h65bc9d15fb966bbd [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5e9b4b22a3da - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8d2c9a8796342e5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5e9b4b48b43f - as core::ops::function::FnOnce>::call_once::hef12b47e5c033835 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5e9b4b48b43f - std::sys::pal::unix::thread::Thread::new::thread_start::h135087e7c97657bc [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x75c0ac460aa4 - [INFO] [stdout] 45: 0x75c0ac4eda34 - 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 0.14s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "48693135b809e27a773f6d82401edee3da0e325179c15b612079a3a81a9c36b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48693135b809e27a773f6d82401edee3da0e325179c15b612079a3a81a9c36b1", kill_on_drop: false }` [INFO] [stdout] 48693135b809e27a773f6d82401edee3da0e325179c15b612079a3a81a9c36b1