[INFO] cloning repository https://github.com/paulstey/rustlings-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paulstey/rustlings-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulstey%2Frustlings-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulstey%2Frustlings-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ac873eb784cac47a92cf5b93b01184b6163f310
[INFO] testing paulstey/rustlings-course against 1.80.0 for beta-1.81-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulstey%2Frustlings-course" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paulstey/rustlings-course on toolchain 1.80.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.80.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paulstey/rustlings-course
[INFO] finished tweaking git repo https://github.com/paulstey/rustlings-course
[INFO] tweaked toml for git repo https://github.com/paulstey/rustlings-course written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/paulstey/rustlings-course 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" "+1.80.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3613bb2515d0ba61999f1d38dc6ec713df5cb086b5d31914e0aa8c5beec0f842
[INFO] running `Command { std: "docker" "start" "-a" "3613bb2515d0ba61999f1d38dc6ec713df5cb086b5d31914e0aa8c5beec0f842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3613bb2515d0ba61999f1d38dc6ec713df5cb086b5d31914e0aa8c5beec0f842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3613bb2515d0ba61999f1d38dc6ec713df5cb086b5d31914e0aa8c5beec0f842", kill_on_drop: false }`
[INFO] [stdout] 3613bb2515d0ba61999f1d38dc6ec713df5cb086b5d31914e0aa8c5beec0f842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ec20ee4dc052624c02896d7c77aa840331357badb08befea3fafa0793847d5c
[INFO] running `Command { std: "docker" "start" "-a" "3ec20ee4dc052624c02896d7c77aa840331357badb08befea3fafa0793847d5c", kill_on_drop: false }`
[INFO] [stderr] Compiling libc v0.2.147
[INFO] [stderr] Compiling proc-macro2 v1.0.64
[INFO] [stderr] Compiling unicode-ident v1.0.10
[INFO] [stderr] Compiling quote v1.0.29
[INFO] [stderr] Compiling memchr v2.5.0
[INFO] [stderr] Compiling autocfg v1.1.0
[INFO] [stderr] Compiling cfg-if v0.1.10
[INFO] [stderr] Compiling serde v1.0.171
[INFO] [stderr] Compiling syn v1.0.109
[INFO] [stderr] Compiling log v0.4.19
[INFO] [stderr] Compiling regex-syntax v0.7.4
[INFO] [stderr] Compiling serde_json v1.0.102
[INFO] [stderr] Compiling lazy_static v1.4.0
[INFO] [stderr] Compiling slab v0.4.8
[INFO] [stderr] Compiling unicode-width v0.1.10
[INFO] [stderr] Compiling same-file v1.0.6
[INFO] [stderr] Compiling argh_shared v0.1.10
[INFO] [stderr] Compiling lazycell v1.3.0
[INFO] [stderr] Compiling cfg-if v1.0.0
[INFO] [stderr] Compiling bitflags v1.3.2
[INFO] [stderr] Compiling walkdir v2.3.3
[INFO] [stderr] Compiling number_prefix v0.4.0
[INFO] [stderr] Compiling itoa v1.0.8
[INFO] [stderr] Compiling aho-corasick v1.0.2
[INFO] [stderr] Compiling ryu v1.0.14
[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 inotify v0.7.1
[INFO] [stderr] Compiling console v0.15.7
[INFO] [stderr] Compiling filetime v0.2.21
[INFO] [stderr] Compiling mio v0.6.23
[INFO] [stderr] Compiling glob v0.3.1
[INFO] [stderr] Compiling home v0.5.5
[INFO] [stderr] Compiling mio-extras v2.0.6
[INFO] [stderr] Compiling notify v4.0.17
[INFO] [stderr] Compiling regex-automata v0.3.3
[INFO] [stderr] Compiling serde_derive v1.0.171
[INFO] [stderr] Compiling argh_derive v0.1.10
[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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.78s
[INFO] running `Command { std: "docker" "inspect" "3ec20ee4dc052624c02896d7c77aa840331357badb08befea3fafa0793847d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec20ee4dc052624c02896d7c77aa840331357badb08befea3fafa0793847d5c", kill_on_drop: false }`
[INFO] [stdout] 3ec20ee4dc052624c02896d7c77aa840331357badb08befea3fafa0793847d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d65f6dcf148562b7539d656c5b7a6de83bdde74a52e95fa72455aa31467345
[INFO] running `Command { std: "docker" "start" "-a" "17d65f6dcf148562b7539d656c5b7a6de83bdde74a52e95fa72455aa31467345", kill_on_drop: false }`
[INFO] [stderr] Compiling num-traits v0.2.15
[INFO] [stderr] Compiling predicates-core v1.0.6
[INFO] [stderr] Compiling escargot v0.4.0
[INFO] [stderr] Compiling difference v2.0.0
[INFO] [stderr] Compiling termtree v0.4.1
[INFO] [stderr] Compiling normalize-line-endings v0.3.0
[INFO] [stderr] Compiling predicates-tree v1.0.9
[INFO] [stderr] Compiling float-cmp v0.8.0
[INFO] [stderr] Compiling predicates v1.0.8
[INFO] [stderr] Compiling assert_cmd v0.11.1
[INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "17d65f6dcf148562b7539d656c5b7a6de83bdde74a52e95fa72455aa31467345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d65f6dcf148562b7539d656c5b7a6de83bdde74a52e95fa72455aa31467345", kill_on_drop: false }`
[INFO] [stdout] 17d65f6dcf148562b7539d656c5b7a6de83bdde74a52e95fa72455aa31467345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c00af5577c0b50fcc7aca9aa7c432e3be94640038b814d8087a3f0b54a8908fb
[INFO] running `Command { std: "docker" "start" "-a" "c00af5577c0b50fcc7aca9aa7c432e3be94640038b814d8087a3f0b54a8908fb", kill_on_drop: false }`
[INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-5bf65f9d1a7351b5)
[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 src/exercise.rs:273:36:
[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: 0x5595167da955 - std::backtrace_rs::backtrace::libunwind::trace::h58eed11393533053
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout] 1: 0x5595167da955 - std::backtrace_rs::backtrace::trace_unsynchronized::h6af9bae28ebb6388
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout] 2: 0x5595167da955 - std::sys_common::backtrace::_print_fmt::hb6748916642a4fb2
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout] 3: 0x5595167da955 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3692694645b1bb6a
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout] 4: 0x5595168014fb - core::fmt::rt::Argument::fmt::h7aa93977ba74ae0f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout] 5: 0x5595168014fb - core::fmt::write::h5131d80b4c69b88d
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/fmt/mod.rs:1168:21
[INFO] [stdout] 6: 0x5595167d81af - std::io::Write::write_fmt::h8142063d64ec1ffc
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/io/mod.rs:1835:15
[INFO] [stdout] 7: 0x5595167da72e - std::sys_common::backtrace::_print::he6ebb7b9d89f4456
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout] 8: 0x5595167da72e - std::sys_common::backtrace::print::h998d75b840f75a73
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout] 9: 0x5595167dc199 - std::panicking::default_hook::{{closure}}::h18ec7fe6a38b9da0
[INFO] [stdout] 10: 0x5595167dbe06 - std::panicking::default_hook::hfb3f22c2e4075a6a
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:295:9
[INFO] [stdout] 11: 0x55951657c28a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9b6b503c8a5fa2e3
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2077:9
[INFO] [stdout] 12: 0x55951657c28a - test::test_main::{{closure}}::h238c9a9a662cfeed
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:137:21
[INFO] [stdout] 13: 0x5595167dc79b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8210adad49183e7
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2077:9
[INFO] [stdout] 14: 0x5595167dc79b - std::panicking::rust_panic_with_hook::h51af00bcb4660c4e
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:799:13
[INFO] [stdout] 15: 0x5595167dc514 - std::panicking::begin_panic_handler::{{closure}}::h39f76aa863fbe8ce
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:664:13
[INFO] [stdout] 16: 0x5595167dae19 - std::sys_common::backtrace::__rust_end_short_backtrace::h4d10fc2251b89840
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout] 17: 0x5595167dc247 - rust_begin_unwind
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:652:5
[INFO] [stdout] 18: 0x5595165350a3 - core::panicking::panic_fmt::h319840fcbcd912ef
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/panicking.rs:72:14
[INFO] [stdout] 19: 0x559516535616 - core::result::unwrap_failed::haccb9aaa604e1e21
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/result.rs:1679:5
[INFO] [stdout] 20: 0x55951654070a - core::result::Result<T,E>::unwrap::hfb3a4b5a8758f834
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/result.rs:1102:23
[INFO] [stdout] 21: 0x55951654070a - rustlings::exercise::test::test_clean::h3894b2734c46a81d
[INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:273:9
[INFO] [stdout] 22: 0x559516540647 - rustlings::exercise::test::test_clean::{{closure}}::hc8ba87f37402b6d5
[INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:272:20
[INFO] [stdout] 23: 0x559516537026 - core::ops::function::FnOnce::call_once::hb2e44c269a3fe1cf
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/ops/function.rs:250:5
[INFO] [stdout] 24: 0x559516580adb - core::ops::function::FnOnce::call_once::h384146465e88f7be
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/ops/function.rs:250:5
[INFO] [stdout] 25: 0x559516580adb - test::__rust_begin_short_backtrace::hae44b86aaeda3a0f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:625:18
[INFO] [stdout] 26: 0x559516580231 - test::run_test_in_process::{{closure}}::hd85dcdfbb890f561
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:648:60
[INFO] [stdout] 27: 0x559516580231 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0e31567dfbb1842d
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout] 28: 0x559516580231 - std::panicking::try::do_call::h21b13b77488972c9
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:559:40
[INFO] [stdout] 29: 0x559516580231 - std::panicking::try::h8696c153e1e4253f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:523:19
[INFO] [stdout] 30: 0x559516580231 - std::panic::catch_unwind::h5cd1cddd6367954f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panic.rs:149:14
[INFO] [stdout] 31: 0x559516580231 - test::run_test_in_process::h59ce94f07fa84554
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:648:27
[INFO] [stdout] 32: 0x559516580231 - test::run_test::{{closure}}::h4148d3c10c6c98f1
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:569:43
[INFO] [stdout] 33: 0x559516549154 - test::run_test::{{closure}}::hfda3d929e6d1b5c1
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:599:41
[INFO] [stdout] 34: 0x559516549154 - std::sys_common::backtrace::__rust_begin_short_backtrace::h91e427ea6df4cf63
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout] 35: 0x55951654da12 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h88142129462d0de6
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/thread/mod.rs:542:17
[INFO] [stdout] 36: 0x55951654da12 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7a94a6989c4568c7
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout] 37: 0x55951654da12 - std::panicking::try::do_call::h07d6ddb104cff605
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:559:40
[INFO] [stdout] 38: 0x55951654da12 - std::panicking::try::heeeb9f9f6492fe02
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:523:19
[INFO] [stdout] 39: 0x55951654da12 - std::panic::catch_unwind::h947df39c62294dd7
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panic.rs:149:14
[INFO] [stdout] 40: 0x55951654da12 - std::thread::Builder::spawn_unchecked_::{{closure}}::hba1c75acae318d67
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/thread/mod.rs:541:30
[INFO] [stdout] 41: 0x55951654da12 - core::ops::function::FnOnce::call_once{{vtable.shim}}::had7513e31342a613
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/ops/function.rs:250:5
[INFO] [stdout] 42: 0x5595167e0c1b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3af90da315d4b185
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2063:9
[INFO] [stdout] 43: 0x5595167e0c1b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4e7f3b3405b4b88b
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2063:9
[INFO] [stdout] 44: 0x5595167e0c1b - std::sys::pal::unix::thread::Thread::new::thread_start::h3b8e81128811868f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout] 45: 0x7f336974aac3 - <unknown>
[INFO] [stdout] 46: 0x7f33697dba04 - __clone
[INFO] [stdout] 47: 0x0 - <unknown>
[INFO] [stdout]
[INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ----
[INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:346:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: couldn't create a temp dir: Read-only file system (os error 30) at path \"/opt/rustwide/workdir/./rmetamNGEVj\"\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: 0x5595167da955 - std::backtrace_rs::backtrace::libunwind::trace::h58eed11393533053
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout] 1: 0x5595167da955 - std::backtrace_rs::backtrace::trace_unsynchronized::h6af9bae28ebb6388
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout] 2: 0x5595167da955 - std::sys_common::backtrace::_print_fmt::hb6748916642a4fb2
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout] 3: 0x5595167da955 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3692694645b1bb6a
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout] 4: 0x5595168014fb - core::fmt::rt::Argument::fmt::h7aa93977ba74ae0f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout] 5: 0x5595168014fb - core::fmt::write::h5131d80b4c69b88d
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/fmt/mod.rs:1168:21
[INFO] [stdout] 6: 0x5595167d81af - std::io::Write::write_fmt::h8142063d64ec1ffc
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/io/mod.rs:1835:15
[INFO] [stdout] 7: 0x5595167da72e - std::sys_common::backtrace::_print::he6ebb7b9d89f4456
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout] 8: 0x5595167da72e - std::sys_common::backtrace::print::h998d75b840f75a73
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout] 9: 0x5595167dc199 - std::panicking::default_hook::{{closure}}::h18ec7fe6a38b9da0
[INFO] [stdout] 10: 0x5595167dbe06 - std::panicking::default_hook::hfb3f22c2e4075a6a
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:295:9
[INFO] [stdout] 11: 0x55951657c28a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9b6b503c8a5fa2e3
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2077:9
[INFO] [stdout] 12: 0x55951657c28a - test::test_main::{{closure}}::h238c9a9a662cfeed
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:137:21
[INFO] [stdout] 13: 0x5595167dc79b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8210adad49183e7
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2077:9
[INFO] [stdout] 14: 0x5595167dc79b - std::panicking::rust_panic_with_hook::h51af00bcb4660c4e
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:799:13
[INFO] [stdout] 15: 0x5595167dc514 - std::panicking::begin_panic_handler::{{closure}}::h39f76aa863fbe8ce
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:664:13
[INFO] [stdout] 16: 0x5595167dae19 - std::sys_common::backtrace::__rust_end_short_backtrace::h4d10fc2251b89840
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout] 17: 0x5595167dc247 - rust_begin_unwind
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:652:5
[INFO] [stdout] 18: 0x5595165350a3 - core::panicking::panic_fmt::h319840fcbcd912ef
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/panicking.rs:72:14
[INFO] [stdout] 19: 0x559516535616 - core::result::unwrap_failed::haccb9aaa604e1e21
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/result.rs:1679:5
[INFO] [stdout] 20: 0x55951654155a - core::result::Result<T,E>::unwrap::hfe3f41e7d15e8e12
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/result.rs:1102:23
[INFO] [stdout] 21: 0x55951654155a - rustlings::exercise::test::test_exercise_with_output::hd548c2686dc1b1fe
[INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:346:19
[INFO] [stdout] 22: 0x559516541367 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h7c3b7cac6eb7188d
[INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:339:35
[INFO] [stdout] 23: 0x559516536f46 - core::ops::function::FnOnce::call_once::h10671d6b71bf633b
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/ops/function.rs:250:5
[INFO] [stdout] 24: 0x559516580adb - core::ops::function::FnOnce::call_once::h384146465e88f7be
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/ops/function.rs:250:5
[INFO] [stdout] 25: 0x559516580adb - test::__rust_begin_short_backtrace::hae44b86aaeda3a0f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:625:18
[INFO] [stdout] 26: 0x559516580231 - test::run_test_in_process::{{closure}}::hd85dcdfbb890f561
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:648:60
[INFO] [stdout] 27: 0x559516580231 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0e31567dfbb1842d
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout] 28: 0x559516580231 - std::panicking::try::do_call::h21b13b77488972c9
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:559:40
[INFO] [stdout] 29: 0x559516580231 - std::panicking::try::h8696c153e1e4253f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:523:19
[INFO] [stdout] 30: 0x559516580231 - std::panic::catch_unwind::h5cd1cddd6367954f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panic.rs:149:14
[INFO] [stdout] 31: 0x559516580231 - test::run_test_in_process::h59ce94f07fa84554
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:648:27
[INFO] [stdout] 32: 0x559516580231 - test::run_test::{{closure}}::h4148d3c10c6c98f1
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:569:43
[INFO] [stdout] 33: 0x559516549154 - test::run_test::{{closure}}::hfda3d929e6d1b5c1
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/test/src/lib.rs:599:41
[INFO] [stdout] 34: 0x559516549154 - std::sys_common::backtrace::__rust_begin_short_backtrace::h91e427ea6df4cf63
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout] 35: 0x55951654da12 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h88142129462d0de6
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/thread/mod.rs:542:17
[INFO] [stdout] 36: 0x55951654da12 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7a94a6989c4568c7
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout] 37: 0x55951654da12 - std::panicking::try::do_call::h07d6ddb104cff605
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:559:40
[INFO] [stdout] 38: 0x55951654da12 - std::panicking::try::heeeb9f9f6492fe02
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:523:19
[INFO] [stdout] 39: 0x55951654da12 - std::panic::catch_unwind::h947df39c62294dd7
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panic.rs:149:14
[INFO] [stdout] 40: 0x55951654da12 - std::thread::Builder::spawn_unchecked_::{{closure}}::hba1c75acae318d67
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/thread/mod.rs:541:30
[INFO] [stdout] 41: 0x55951654da12 - core::ops::function::FnOnce::call_once{{vtable.shim}}::had7513e31342a613
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/ops/function.rs:250:5
[INFO] [stdout] 42: 0x5595167e0c1b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3af90da315d4b185
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2063:9
[INFO] [stdout] 43: 0x5595167e0c1b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4e7f3b3405b4b88b
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2063:9
[INFO] [stdout] 44: 0x5595167e0c1b - std::sys::pal::unix::thread::Thread::new::thread_start::h3b8e81128811868f
[INFO] [stdout] at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout] 45: 0x7f336974aac3 - <unknown>
[INFO] [stdout] 46: 0x7f33697dba04 - __clone
[INFO] [stdout] 47: 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 0.06s
[INFO] [stdout]
[INFO] [stderr] error: test failed, to rerun pass `--bin rustlings`
[INFO] running `Command { std: "docker" "inspect" "c00af5577c0b50fcc7aca9aa7c432e3be94640038b814d8087a3f0b54a8908fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00af5577c0b50fcc7aca9aa7c432e3be94640038b814d8087a3f0b54a8908fb", kill_on_drop: false }`
[INFO] [stdout] c00af5577c0b50fcc7aca9aa7c432e3be94640038b814d8087a3f0b54a8908fb
[INFO] testing paulstey/rustlings-course against beta-2024-07-26 for beta-1.81-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulstey%2Frustlings-course" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paulstey/rustlings-course on toolchain beta-2024-07-26
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-07-26" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paulstey/rustlings-course
[INFO] finished tweaking git repo https://github.com/paulstey/rustlings-course
[INFO] tweaked toml for git repo https://github.com/paulstey/rustlings-course written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/paulstey/rustlings-course already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-07-26" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-07-26" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab066cbadae97804839dee2d60b358cfb34b64a683e4708d5222b55ea8447420
[INFO] running `Command { std: "docker" "start" "-a" "ab066cbadae97804839dee2d60b358cfb34b64a683e4708d5222b55ea8447420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab066cbadae97804839dee2d60b358cfb34b64a683e4708d5222b55ea8447420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab066cbadae97804839dee2d60b358cfb34b64a683e4708d5222b55ea8447420", kill_on_drop: false }`
[INFO] [stdout] ab066cbadae97804839dee2d60b358cfb34b64a683e4708d5222b55ea8447420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-07-26" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32abebbfd0b9e04d66b60e834d13e93b3bfda367020a4f8416d9eddc00e5f855
[INFO] running `Command { std: "docker" "start" "-a" "32abebbfd0b9e04d66b60e834d13e93b3bfda367020a4f8416d9eddc00e5f855", 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 memchr v2.5.0
[INFO] [stderr] Compiling autocfg v1.1.0
[INFO] [stderr] Compiling syn v1.0.109
[INFO] [stderr] Compiling serde v1.0.171
[INFO] [stderr] Compiling cfg-if v0.1.10
[INFO] [stderr] Compiling regex-syntax v0.7.4
[INFO] [stderr] Compiling log v0.4.19
[INFO] [stderr] Compiling argh_shared v0.1.10
[INFO] [stderr] Compiling serde_json v1.0.102
[INFO] [stderr] Compiling slab v0.4.8
[INFO] [stderr] Compiling lazy_static v1.4.0
[INFO] [stderr] Compiling lazycell v1.3.0
[INFO] [stderr] Compiling unicode-width v0.1.10
[INFO] [stderr] Compiling cfg-if v1.0.0
[INFO] [stderr] Compiling same-file v1.0.6
[INFO] [stderr] Compiling bitflags v1.3.2
[INFO] [stderr] Compiling ryu v1.0.14
[INFO] [stderr] Compiling walkdir v2.3.3
[INFO] [stderr] Compiling aho-corasick v1.0.2
[INFO] [stderr] Compiling itoa v1.0.8
[INFO] [stderr] Compiling number_prefix v0.4.0
[INFO] [stderr] Compiling home v0.5.5
[INFO] [stderr] Compiling net2 v0.2.39
[INFO] [stderr] Compiling iovec v0.1.4
[INFO] [stderr] Compiling syn v2.0.25
[INFO] [stderr] Compiling inotify-sys v0.1.5
[INFO] [stderr] Compiling filetime v0.2.21
[INFO] [stderr] Compiling inotify v0.7.1
[INFO] [stderr] Compiling console v0.15.7
[INFO] [stderr] Compiling mio v0.6.23
[INFO] [stderr] Compiling glob v0.3.1
[INFO] [stderr] Compiling mio-extras v2.0.6
[INFO] [stderr] Compiling regex-automata v0.3.3
[INFO] [stderr] Compiling notify v4.0.17
[INFO] [stderr] Compiling serde_derive v1.0.171
[INFO] [stderr] Compiling argh_derive v0.1.10
[INFO] [stderr] Compiling regex v1.9.1
[INFO] [stderr] Compiling argh v0.1.10
[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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.85s
[INFO] running `Command { std: "docker" "inspect" "32abebbfd0b9e04d66b60e834d13e93b3bfda367020a4f8416d9eddc00e5f855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32abebbfd0b9e04d66b60e834d13e93b3bfda367020a4f8416d9eddc00e5f855", kill_on_drop: false }`
[INFO] [stdout] 32abebbfd0b9e04d66b60e834d13e93b3bfda367020a4f8416d9eddc00e5f855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-07-26" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 816d7d75b459af928cb6f950a1193e70972ecda00846d9a0b5b7c476946e83b4
[INFO] running `Command { std: "docker" "start" "-a" "816d7d75b459af928cb6f950a1193e70972ecda00846d9a0b5b7c476946e83b4", kill_on_drop: false }`
[INFO] [stderr] Compiling num-traits v0.2.15
[INFO] [stderr] Compiling predicates-core v1.0.6
[INFO] [stderr] Compiling escargot v0.4.0
[INFO] [stderr] Compiling termtree v0.4.1
[INFO] [stderr] Compiling difference v2.0.0
[INFO] [stderr] Compiling normalize-line-endings v0.3.0
[INFO] [stderr] Compiling predicates-tree v1.0.9
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `predicates-tree` (lib)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/build/num-traits-c09531d976e9c162/output`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] No space left on device (os error 28)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaqq87GV"
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] error: could not compile `escargot` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "816d7d75b459af928cb6f950a1193e70972ecda00846d9a0b5b7c476946e83b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816d7d75b459af928cb6f950a1193e70972ecda00846d9a0b5b7c476946e83b4", kill_on_drop: false }`
[INFO] [stdout] 816d7d75b459af928cb6f950a1193e70972ecda00846d9a0b5b7c476946e83b4