[INFO] cloning repository https://github.com/appleweiping/kaist-cs220-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/appleweiping/kaist-cs220-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fappleweiping%2Fkaist-cs220-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fappleweiping%2Fkaist-cs220-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67ab942fdbc11fa3fb1c64f4b5a58413085ee406
[INFO] testing appleweiping/kaist-cs220-rust against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fappleweiping%2Fkaist-cs220-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/appleweiping/kaist-cs220-rust
[INFO] finished tweaking git repo https://github.com/appleweiping/kaist-cs220-rust
[INFO] tweaked toml for git repo https://github.com/appleweiping/kaist-cs220-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/appleweiping/kaist-cs220-rust on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/appleweiping/kaist-cs220-rust 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" "+1.98.0-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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f
[INFO] running `Command { std: "docker" "start" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f", 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" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f", 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" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling etrace v1.1.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling pest v2.7.11
[INFO] [stderr]    Compiling ntest_test_cases v0.9.3
[INFO] [stderr]    Compiling ntest_timeout v0.9.3
[INFO] [stderr]    Compiling ntest v0.9.3
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling pest_meta v2.7.11
[INFO] [stderr]    Compiling pest_generator v2.7.11
[INFO] [stderr]    Compiling pest_derive v2.7.11
[INFO] [stderr]    Compiling cs220 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.36s
[INFO] running `Command { std: "docker" "inspect" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f", 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" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cs220 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f", 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" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cs220-808e488e4acfd71b)
[INFO] [stdout] 
[INFO] [stdout] running 107 tests
[INFO] [stdout] test assignments::assignment01::small_exercises_grade::test::test_add_overflow ... ok
[INFO] [stdout] test assignments::assignment01::small_exercises_grade::test::test_add_7_3 ... ok
[INFO] [stdout] test assignments::assignment01::small_exercises_grade::test::test_sub_overflow ... ok
[INFO] [stdout] test assignments::assignment02::small_exercises_grade::test::test_capitalize ... ok
[INFO] [stdout] test assignments::assignment02::small_exercises_grade::test::test_chooses ... ok
[INFO] [stdout] test assignments::assignment02::small_exercises_grade::test::test_fahrenheit ... ok
[INFO] [stdout] test assignments::assignment02::small_exercises_grade::test::test_gcd ... ok
[INFO] [stdout] test assignments::assignment02::small_exercises_grade::test::test_sum_array ... ok
[INFO] [stdout] test assignments::assignment02::small_exercises_grade::test::test_up3 ... ok
[INFO] [stdout] test assignments::assignment01::small_exercises_grade::test::test_sub_7_3 ... ok
[INFO] [stdout] test assignments::assignment02::small_exercises_grade::test::test_zip ... ok
[INFO] [stdout] test assignments::assignment02::vec_and_mat_grade::test::test_inverse ... ok
[INFO] [stdout] test assignments::assignment03::custom_operators_grade::test::test_my_and_then ... ok
[INFO] [stdout] test assignments::assignment03::custom_operators_grade::test::test_my_map ... ok
[INFO] [stdout] test assignments::assignment03::custom_operators_grade::test::test_my_option_op_or ... ok
[INFO] [stdout] test assignments::assignment03::parse_shell_grade::test::test_shell ... ok
[INFO] [stdout] test assignments::assignment03::small_exercises_grade::test::test_editor ... ok
[INFO] [stdout] test assignments::assignment03::small_exercises_grade::test::test_median ... ok
[INFO] [stdout] test assignments::assignment03::small_exercises_grade::test::test_next_weekday ... ok
[INFO] [stdout] test assignments::assignment03::small_exercises_grade::test::test_organize ... ok
[INFO] [stdout] test assignments::assignment02::vec_and_mat_grade::test::test_fibonacci ... ok
[INFO] [stdout] test assignments::assignment03::small_exercises_grade::test::test_piglatin ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_2x_3 ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_x ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_x3 ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_2x3_3x2_5x_12 ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_x5_1 ... ok
[INFO] [stdout] test assignments::assignment04::grade::test::test_parse ... ok
[INFO] [stdout] test assignments::assignment04::grade::test::test_context_calc_expression ... ok
[INFO] [stdout] test assignments::assignment03::small_exercises_grade::test::test_mode ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_polynomial_f64 ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_123 ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_24x ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_zero_remove ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_polynomial_p_u64 ... ok
[INFO] [stdout] test assignments::assignment06::symbolic_differentiation_grade::test::test_differentiate_simple ... ok
[INFO] [stdout] test assignments::assignment06::symbolic_differentiation_grade::test::test_rational_arithmetic ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_polynomial_u64 ... ok
[INFO] [stdout] test assignments::assignment06::symbolic_differentiation_grade::test::test_differentiate_complex ... ok
[INFO] [stdout] test assignments::assignment06::symbolic_differentiation_grade::test::test_rational_arithmetic_long ... ok
[INFO] [stdout] test assignments::assignment04::grade::test::test_context_calc_command ... ok
[INFO] [stdout] test assignments::assignment06::symbolic_differentiation_grade::test::test_rational_simpl ... ok
[INFO] [stdout] test assignments::assignment06::semiring_grade::test::test_polynomial_xy ... ok
[INFO] [stdout] test assignments::assignment07::generator_grade::test::test_generator ... ok
[INFO] [stdout] test assignments::assignment07::my_itertools_grade::test::test_itertools ... ok
[INFO] [stdout] test assignments::assignment07::small_exercises_grade::test::test_fib_iter ... ok
[INFO] [stdout] test assignments::assignment07::small_exercises_grade::test::test_find ... ok
[INFO] [stdout] test assignments::assignment07::small_exercises_grade::test::test_find_usize ... ok
[INFO] [stdout] test assignments::assignment07::small_exercises_grade::test::test_range_iter ... ok
[INFO] [stdout] test assignments::assignment07::small_exercises_grade::test::test_small ... ok
[INFO] [stdout] test assignments::assignment07::transform_grade::test::test_transform_identity ... ok
[INFO] [stdout] test assignments::assignment07::transform_grade::test::test_transform_repeat ... ok
[INFO] [stdout] test assignments::assignment07::transform_grade::test::test_transform_repeat_until_converge ... ok
[INFO] [stdout] test assignments::assignment07::transform_grade::test::test_transform_tuple ... ok
[INFO] [stdout] test assignments::assignment08::church_grade::test::engineering_isnt_just_mathematics ... ok
[INFO] [stdout] test assignments::assignment08::church_grade::test::you_must_pass_these_examples ... ok
[INFO] [stdout] test assignments::assignment08::small_exercises_grade::test::test_count_repeat ... ok
[INFO] [stdout] test assignments::assignment08::small_exercises_grade::test::test_either2_map ... ok
[INFO] [stdout] test assignments::assignment08::small_exercises_grade::test::test_repeat ... ok
[INFO] [stdout] test assignments::assignment09::bigint_grade::test::test_inf_prec_simple ... ok
[INFO] [stdout] test assignments::assignment08::small_exercises_grade::test::test_funny_map ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_calculate_mean ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_interleave_n ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_is_fibonacci ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_k_smallest_man ... ok
[INFO] [stdout] test assignments::assignment09::bigint_grade::test::test_inf_prec_complex ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_interleave3 ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_is_palindrome ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_find_count_n ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_position_median ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_sigma ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_two_dimensional_sum ... ok
[INFO] [stdout] test assignments::assignment10::small_exercises_grade::test::test_du_sort ... ok
[INFO] [stdout] test assignments::assignment10::small_exercises_grade::test::test_inversion ... ok
[INFO] [stdout] test assignments::assignment10::small_exercises_grade::test::test_natural_join ... ok
[INFO] [stdout] test assignments::assignment10::small_exercises_grade::test::test_remove_duplicate ... ok
[INFO] [stdout] test assignments::assignment10::small_exercises_grade::test::test_remove_even ... ok
[INFO] [stdout] test assignments::assignment10::small_exercises_grade::test::test_traverse_preorder ... ok
[INFO] [stdout] test assignments::assignment11::graph_grade::test_graph::test_graph ... ok
[INFO] [stdout] test assignments::assignment11::linked_list_grade::test_linked_list::test_flatten ... ok
[INFO] [stdout] test assignments::assignment11::linked_list_grade::test_linked_list::test_from_into_vec ... ok
[INFO] [stdout] test assignments::assignment11::linked_list_grade::test_linked_list::test_length ... ok
[INFO] [stdout] test assignments::assignment11::linked_list_grade::test_linked_list::test_map ... ok
[INFO] [stdout] test assignments::assignment11::linked_list_grade::test_linked_list::test_pair_map ... ok
[INFO] [stdout] test assignments::assignment11::linked_list_grade::test_linked_list::test_push_pop ... ok
[INFO] [stdout] test assignments::assignment11::mock_storage_grade::test_mock_storage::test_mock_storage ... ok
[INFO] [stdout] test assignments::assignment09::small_exercises_grade::test::test_sum_is_n ... ok
[INFO] [stdout] test assignments::assignment11::tv_room_grade::test_tv_room::test_tv_room ... ok
[INFO] [stdout] test assignments::assignment12::demux_grade::test_demux::test_demux ... ok
[INFO] [stdout] test assignments::assignment12::funnel_grade::test_funnel::test_funnel_concurrent ... ok
[INFO] [stdout] test assignments::assignment12::small_exercises_grade::test_pingpong::test_ping_pong ... ok
[INFO] [stdout] test assignments::assignment13::small_exercises_grade::test::test_sigma_par ... ok
[INFO] [stdout] test assignments::assignment13::small_exercises_grade::test::test_interleave3_par ... ok
[INFO] [stdout] test assignments::assignment09::bigint_grade::test::test_inf_prec_panic - should panic ... ok
[INFO] [stdout] test assignments::assignment12::small_exercises_grade::test_pingpong::test_scoped_thread ... ok
[INFO] [stdout] test assignments::assignment12::small_exercises_grade::test_pingpong::test_scoped_thread_concurrent ... ok
[INFO] [stdout] test assignments::assignment09::matmul_grade::test::vec_add_test ... ok
[INFO] [stdout] test assignments::assignment08::church_grade::test::be_honest ... ok
[INFO] [stdout] test assignments::assignment09::matmul_grade::test::dot_product_test ... ok
[INFO] [stdout] test assignments::assignment10::small_exercises_grade::test::test_pythagorean ... ok
[INFO] [stdout] test assignments::assignment07::small_exercises_grade::test::test_large ... ok
[INFO] [stdout] test assignments::assignment10::labyrinth_grade::test::main ... ok
[INFO] [stdout] test assignments::assignment13::small_exercises_grade::test::vec_add_test ... ok
[INFO] [stdout] test assignments::assignment12::card_grade::test_card::play ... FAILED
[INFO] [stdout] test assignments::assignment13::small_exercises_grade::test::dot_product_test ... ok
[INFO] [stdout] test assignments::assignment09::matmul_grade::test::matmul_test ... ok
[INFO] [stdout] test assignments::assignment13::small_exercises_grade::test::matmul_test ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- assignments::assignment12::card_grade::test_card::play stdout ----
[INFO] [stdout] [White: 740, Blue: 9260]
[INFO] [stdout] 
[INFO] [stdout] thread 'assignments::assignment12::card_grade::test_card::play' (1085) panicked at src/assignments/assignment12/card_grade.rs:140:9:
[INFO] [stdout] You lose...
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x566d00f2ab51 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x566d00f2ab51 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x566d00f2ab51 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x566d00f2ab51 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x566d00f41d7a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x566d00f41d7a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x566d00f2f60c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x566d00f2f60c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x566d00f08706 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x566d00f08706 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x566d00f22a29 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x566d00deed60 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x566d00deed60 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x566d00f22d52 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x566d00f22d52 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x566d00f087e4 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:681:13
[INFO] [stdout]   16:     0x566d00effb49 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x566d00f094bd - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x566d00f4257c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x566d00d1d3a2 - cs220[ff61ac3d783a68bc]::assignments::assignment12::card_grade::test_card::play
[INFO] [stdout]                                at /opt/rustwide/workdir/src/assignments/assignment12/card_grade.rs:140:9
[INFO] [stdout]   20:     0x566d00d17ef7 - cs220[ff61ac3d783a68bc]::assignments::assignment12::card_grade::test_card::play::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/assignments/assignment12/card_grade.rs:60:14
[INFO] [stdout]   21:     0x566d00ce5e76 - <cs220[ff61ac3d783a68bc]::assignments::assignment12::card_grade::test_card::play::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x566d00de209b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x566d00de209b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x566d00def6e5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x566d00def6e5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x566d00def6e5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   27:     0x566d00def6e5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x566d00def6e5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x566d00def6e5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x566d00def6e5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x566d00dea194 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x566d00dea194 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x566d00df2832 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x566d00df2832 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x566d00df2832 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   36:     0x566d00df2832 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x566d00df2832 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x566d00df2832 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x566d00df2832 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x566d00f2a3cf - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   41:     0x566d00f2a3cf - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   42:     0x7065ae6a3aa4 - <unknown>
[INFO] [stdout]   43:     0x7065ae730a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     assignments::assignment12::card_grade::test_card::play
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 106 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 41.95s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f", kill_on_drop: false }`
[INFO] [stdout] 3c6e4d18b9db62980fedfc97b84fca696ce636b60e8bbdc7e6a94d79dfd4795f
