[INFO] fetching crate otarustlings 1.0.0...
[INFO] testing otarustlings-1.0.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate otarustlings 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate otarustlings 1.0.0
[INFO] finished tweaking crates.io crate otarustlings 1.0.0
[INFO] tweaked toml for crates.io crate otarustlings 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate otarustlings 1.0.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate otarustlings 1.0.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5
[INFO] running `Command { std: "docker" "start" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling textwrap v0.15.0
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[INFO] [stderr]    Compiling either v1.6.1
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[INFO] [stderr]    Compiling tracing-subscriber v0.3.11
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling rust-embed-impl v6.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling rust-embed v6.4.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling clap v3.1.15
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling otarustlings v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib/state.rs:268:19
[INFO] [stdout]     |
[INFO] [stdout] 267 |         &'s self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 268 |     ) -> GroupBy<&'_ str, btree_set::Iter<'_, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout]     |                   ^^                      ^^                             --               -- the same lifetime is named here
[INFO] [stdout]     |                   |                       |                              |
[INFO] [stdout]     |                   |                       |                              the same lifetime is named here
[INFO] [stdout]     |                   |                       the same lifetime is elided here
[INFO] [stdout]     |                   the same 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: consistently use `'s`
[INFO] [stdout]     |
[INFO] [stdout] 268 -     ) -> GroupBy<&'_ str, btree_set::Iter<'_, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout] 268 +     ) -> GroupBy<&'s str, btree_set::Iter<'s, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 27.52s
[INFO] running `Command { std: "docker" "inspect" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib/state.rs:268:19
[INFO] [stdout]     |
[INFO] [stdout] 267 |         &'s self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 268 |     ) -> GroupBy<&'_ str, btree_set::Iter<'_, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout]     |                   ^^                      ^^                             --               -- the same lifetime is named here
[INFO] [stdout]     |                   |                       |                              |
[INFO] [stdout]     |                   |                       |                              the same lifetime is named here
[INFO] [stdout]     |                   |                       the same lifetime is elided here
[INFO] [stdout]     |                   the same 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: consistently use `'s`
[INFO] [stdout]     |
[INFO] [stdout] 268 -     ) -> GroupBy<&'_ str, btree_set::Iter<'_, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout] 268 +     ) -> GroupBy<&'s str, btree_set::Iter<'s, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling otarustlings v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib/state.rs:268:19
[INFO] [stdout]     |
[INFO] [stdout] 267 |         &'s self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 268 |     ) -> GroupBy<&'_ str, btree_set::Iter<'_, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout]     |                   ^^                      ^^                             --               -- the same lifetime is named here
[INFO] [stdout]     |                   |                       |                              |
[INFO] [stdout]     |                   |                       |                              the same lifetime is named here
[INFO] [stdout]     |                   |                       the same lifetime is elided here
[INFO] [stdout]     |                   the same 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: consistently use `'s`
[INFO] [stdout]     |
[INFO] [stdout] 268 -     ) -> GroupBy<&'_ str, btree_set::Iter<'_, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout] 268 +     ) -> GroupBy<&'s str, btree_set::Iter<'s, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib/state.rs:268:19
[INFO] [stderr]     |
[INFO] [stderr] 267 |         &'s self,
[INFO] [stderr]     |          -- the lifetime is named here
[INFO] [stderr] 268 |     ) -> GroupBy<&'_ str, btree_set::Iter<'_, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stderr]     |                   ^^                      ^^                             --               -- the same lifetime is named here
[INFO] [stderr]     |                   |                       |                              |
[INFO] [stderr]     |                   |                       |                              the same lifetime is named here
[INFO] [stderr]     |                   |                       the same lifetime is elided here
[INFO] [stderr]     |                   the same 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: consistently use `'s`
[INFO] [stderr]     |
[INFO] [stderr] 268 -     ) -> GroupBy<&'_ str, btree_set::Iter<'_, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stderr] 268 +     ) -> GroupBy<&'s str, btree_set::Iter<'s, Exercise>, impl FnMut(&'_ &'s Exercise) -> &'s str>
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `otarustlings` (lib) generated 1 warning (run `cargo fix --lib -p otarustlings` to apply 1 suggestion)
[INFO] [stderr] warning: `otarustlings` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib/lib.rs (/opt/rustwide/target/release/build/otarustlings/37c52714b54a1c70/out/otarustlings-37c52714b54a1c70)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] [2J[?25l[1;1H[38;5;12m
[*] [0mCompiling...
[INFO] [stdout] [2J[?25l[1;1H[38;5;12m
[*] [0mCompiling...
[INFO] [stdout] test tester::tests::test_exercise_exit ... FAILED
[INFO] [stdout] test tester::tests::test_exercise ... FAILED
[INFO] [stdout] [2J[?25l[1;1H[38;5;12m
[*] [0mCompiling...
[INFO] [stdout] test tester::tests::terminates_in_menu ... ok
[INFO] [stdout] test tester::tests::terminates_watching ... FAILED
[INFO] [stdout] test exercise::tests::compile_failure ... FAILED
[INFO] [stdout] test exercise::tests::compile_success ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tester::tests::test_exercise_exit stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tester::tests::test_exercise_exit' (2324) panicked at src/lib/tester.rs:508:59:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <otarustlings::tester::TesterState<otarustlings::tester::WatchingExercise> as otarustlings::tester::StateMachine>::handle_message
[INFO] [stdout]    1: <otarustlings::tester::TesterState<otarustlings::tester::InMenu> as otarustlings::tester::StateMachine>::handle_message
[INFO] [stdout]    2: <otarustlings::tester::tests::test_exercise_exit::{closure#0} as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]    3: test::__rust_begin_short_backtrace::<core::result::Result<(), alloc::string::String>, fn() -> core::result::Result<(), alloc::string::String>>
[INFO] [stdout]    4: test::run_test::{closure#0}
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stdout]    6: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]    7: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59f956200f01 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x59f956217bca - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x59f95620695c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x59f9561dbb26 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x59f9561f8c69 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x59f956183830 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x59f9561f8e22 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x59f9561dbbd2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x59f9561d45d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x59f9561dc7dd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x59f9562182fc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x59f9562180d2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x59f95612ddfa - <otarustlings[81ad2decb00a6e20]::tester::tests::test_exercise_exit::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x59f956176c7b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x59f956183e55 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x59f95617d744 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x59f956186ee2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x59f95620037f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x71997806edfa - <unknown>
[INFO] [stdout]   19:     0x7199781023d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tester::tests::test_exercise stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tester::tests::test_exercise' (2323) panicked at src/lib/tester.rs:487:59:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <otarustlings::tester::TesterState<otarustlings::tester::WatchingExercise> as otarustlings::tester::StateMachine>::handle_message
[INFO] [stdout]    1: <otarustlings::tester::TesterState<otarustlings::tester::InMenu> as otarustlings::tester::StateMachine>::handle_message
[INFO] [stdout]    2: <otarustlings::tester::tests::test_exercise::{closure#0} as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]    3: test::__rust_begin_short_backtrace::<core::result::Result<(), alloc::string::String>, fn() -> core::result::Result<(), alloc::string::String>>
[INFO] [stdout]    4: test::run_test::{closure#0}
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stdout]    6: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]    7: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59f956200f01 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x59f956217bca - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x59f95620695c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x59f9561dbb26 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x59f9561f8c69 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x59f956183830 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x59f9561f8e22 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x59f9561dbbd2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x59f9561d45d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x59f9561dc7dd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x59f9562182fc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x59f9562180d2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x59f95612d9b6 - <otarustlings[81ad2decb00a6e20]::tester::tests::test_exercise::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x59f956176c7b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x59f956183e55 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x59f95617d744 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x59f956186ee2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x59f95620037f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x71997806edfa - <unknown>
[INFO] [stdout]   19:     0x7199781023d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tester::tests::terminates_watching stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tester::tests::terminates_watching' (2322) panicked at src/lib/tester.rs:497:59:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <otarustlings::tester::TesterState<otarustlings::tester::WatchingExercise> as otarustlings::tester::StateMachine>::handle_message
[INFO] [stdout]    1: <otarustlings::tester::TesterState<otarustlings::tester::InMenu> as otarustlings::tester::StateMachine>::handle_message
[INFO] [stdout]    2: <otarustlings::tester::tests::terminates_watching::{closure#0} as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]    3: test::__rust_begin_short_backtrace::<core::result::Result<(), alloc::string::String>, fn() -> core::result::Result<(), alloc::string::String>>
[INFO] [stdout]    4: test::run_test::{closure#0}
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stdout]    6: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]    7: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59f956200f01 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x59f956217bca - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x59f95620695c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x59f9561dbb26 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x59f9561f8c69 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x59f956183830 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x59f9561f8e22 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x59f9561dbbd2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x59f9561d45d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x59f9561dc7dd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x59f9562182fc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x59f9562180d2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x59f95612e046 - <otarustlings[81ad2decb00a6e20]::tester::tests::terminates_watching::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x59f956176c7b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x59f956183e55 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x59f95617d744 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x59f956186ee2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x59f95620037f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x71997806edfa - <unknown>
[INFO] [stdout]   19:     0x7199781023d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- exercise::tests::compile_failure stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'exercise::tests::compile_failure' (2319) panicked at src/lib/exercise.rs:249:13:
[INFO] [stdout] assertion failed: output.stderr.contains("not a function")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59f956200f01 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x59f956217bca - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x59f95620695c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x59f9561dbb26 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x59f9561f8c69 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x59f956183830 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x59f9561f8e22 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x59f9561dbc04 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x59f9561d45d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x59f9561dc7dd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x59f9562182fc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x59f9562182c2 - core[a373ad73a504971]::panicking::panic
[INFO] [stdout]   12:     0x59f95612ef81 - <otarustlings[81ad2decb00a6e20]::exercise::tests::compile_failure::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x59f956176c7b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x59f956183e55 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x59f95617d744 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x59f956186ee2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x59f95620037f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x71997806edfa - <unknown>
[INFO] [stdout]   19:     0x7199781023d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     exercise::tests::compile_failure
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]     tester::tests::terminates_watching
[INFO] [stdout]     tester::tests::test_exercise
[INFO] [stdout]     tester::tests::test_exercise_exit
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5", kill_on_drop: false }`
[INFO] [stdout] 54df198eb66dab0e2219a3342d2c28e79348987285bafe91e55af3954ab518a5
