[INFO] cloning repository https://github.com/catink123/music-organizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catink123/music-organizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatink123%2Fmusic-organizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatink123%2Fmusic-organizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b2610a2a04e4fae939df5d6a647279a59a05b68
[INFO] testing catink123/music-organizer against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatink123%2Fmusic-organizer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/catink123/music-organizer
[INFO] finished tweaking git repo https://github.com/catink123/music-organizer
[INFO] tweaked toml for git repo https://github.com/catink123/music-organizer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/catink123/music-organizer on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/catink123/music-organizer 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: `music-organizer` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded id3 v1.7.0
[INFO] [stderr]   Downloaded windows-targets v0.48.2
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.2
[INFO] [stderr]   Downloaded clap_derive v4.3.12
[INFO] [stderr]   Downloaded clap v4.3.21
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded aho-corasick v1.0.4
[INFO] [stderr]   Downloaded flate2 v1.0.27
[INFO] [stderr]   Downloaded clap_builder v4.3.21
[INFO] [stderr]   Downloaded regex v1.9.3
[INFO] [stderr]   Downloaded rustix v0.38.8
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.2
[INFO] [stderr]   Downloaded regex-automata v0.3.6
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.2
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.2
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6df1db4e58521a0e8754c82ff0acd27c8a45d7f819befd216fc376fc371d29
[INFO] running `Command { std: "docker" "start" "-a" "9f6df1db4e58521a0e8754c82ff0acd27c8a45d7f819befd216fc376fc371d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6df1db4e58521a0e8754c82ff0acd27c8a45d7f819befd216fc376fc371d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6df1db4e58521a0e8754c82ff0acd27c8a45d7f819befd216fc376fc371d29", kill_on_drop: false }`
[INFO] [stdout] 9f6df1db4e58521a0e8754c82ff0acd27c8a45d7f819befd216fc376fc371d29
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bd9ad71f8c18734273b41328e597daaef14ea5c93a392a79708f047b30f59e8
[INFO] running `Command { std: "docker" "start" "-a" "7bd9ad71f8c18734273b41328e597daaef14ea5c93a392a79708f047b30f59e8", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: `music-organizer` (manifest) generated 1 warning
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling id3 v1.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap_builder v4.3.21
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling clap v4.3.21
[INFO] [stderr]    Compiling music-organizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.55s
[INFO] running `Command { std: "docker" "inspect" "7bd9ad71f8c18734273b41328e597daaef14ea5c93a392a79708f047b30f59e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd9ad71f8c18734273b41328e597daaef14ea5c93a392a79708f047b30f59e8", kill_on_drop: false }`
[INFO] [stdout] 7bd9ad71f8c18734273b41328e597daaef14ea5c93a392a79708f047b30f59e8
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f7b475a0de7b1f9386c19a3cd1cf154c44edf052f9e567b907b6e545d13a7a6
[INFO] running `Command { std: "docker" "start" "-a" "9f7b475a0de7b1f9386c19a3cd1cf154c44edf052f9e567b907b6e545d13a7a6", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: `music-organizer` (manifest) generated 1 warning
[INFO] [stderr]    Compiling music-organizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "9f7b475a0de7b1f9386c19a3cd1cf154c44edf052f9e567b907b6e545d13a7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7b475a0de7b1f9386c19a3cd1cf154c44edf052f9e567b907b6e545d13a7a6", kill_on_drop: false }`
[INFO] [stdout] 9f7b475a0de7b1f9386c19a3cd1cf154c44edf052f9e567b907b6e545d13a7a6
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 297d60e5a1212962ab2e25294eb05fe58790d4360f33cc220b61f3a97a4e04a6
[INFO] running `Command { std: "docker" "start" "-a" "297d60e5a1212962ab2e25294eb05fe58790d4360f33cc220b61f3a97a4e04a6", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: `music-organizer` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/music_organizer-cf6d868a6560df69)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/music_organizer-d332728b60720c5e)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests music_organizer
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Args::parse_and_get_dirs (line 83) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - shuffle_songs (line 177) ... FAILED
[INFO] [stdout] test src/lib.rs - organize_songs (line 152) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Args::parse_and_get_dirs (line 83) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | let (input_dir, output_dir) = app_config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^   ---------- this expression has type `AppConfig`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     expected `AppConfig`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `AppConfig`
[INFO] [stdout]                found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] Found 0 songs.
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (108) panicked at src/lib.rs:9:45:
[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:     0x5fc9f171fb58 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fc9f171fb58 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fc9f171fb58 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fc9f171fb58 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fc9f1732b9a - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fc9f1732b9a - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5fc9f1723d52 - std[929523f510218772]::io::default_write_fmt::<std[929523f510218772]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5fc9f1723d52 - <std[929523f510218772]::sys::stdio::unix::Stderr as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5fc9f1708f76 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fc9f1708f76 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fc9f171a981 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5fc9f171ab3b - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5fc9f1709032 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5fc9f16fe2e9 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5fc9f170999d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5fc9f17333dc - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5fc9f1733152 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   17:     0x5fc9f147527a - rust_out[55b2f4d6dc07c20e]::main::_doctest_main_src_lib_rs_10_0
[INFO] [stdout]   18:     0x5fc9f14751e6 - rust_out[55b2f4d6dc07c20e]::main
[INFO] [stdout]   19:     0x5fc9f14752d3 - <fn() as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x5fc9f14751a6 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x5fc9f14751b9 - std[929523f510218772]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x5fc9f171a127 - <&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5fc9f171a127 - std[929523f510218772]::panicking::catch_unwind::do_call::<&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5fc9f171a127 - std[929523f510218772]::panicking::catch_unwind::<i32, &dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x5fc9f171a127 - std[929523f510218772]::panic::catch_unwind::<&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5fc9f171a127 - std[929523f510218772]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5fc9f171a127 - std[929523f510218772]::panicking::catch_unwind::do_call::<std[929523f510218772]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5fc9f171a127 - std[929523f510218772]::panicking::catch_unwind::<isize, std[929523f510218772]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5fc9f171a127 - std[929523f510218772]::panic::catch_unwind::<std[929523f510218772]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5fc9f171a127 - std[929523f510218772]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5fc9f1475191 - std[929523f510218772]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x5fc9f1475335 - main
[INFO] [stdout]   33:     0x7b6c7fca61ca - <unknown>
[INFO] [stdout]   34:     0x7b6c7fca628b - __libc_start_main
[INFO] [stdout]   35:     0x5fc9f14750a5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - shuffle_songs (line 177) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] Found 0 songs.
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (109) panicked at src/lib.rs:9:44:
[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:     0x5a612de6ef58 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a612de6ef58 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a612de6ef58 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a612de6ef58 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a612de8211a - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a612de8211a - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5a612de73da2 - std[929523f510218772]::io::default_write_fmt::<std[929523f510218772]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5a612de73da2 - <std[929523f510218772]::sys::stdio::unix::Stderr as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5a612de584e6 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a612de584e6 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a612de6a2d1 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5a612de6a48b - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5a612de585a2 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5a612de4d8d9 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5a612de58e0d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5a612de828ac - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5a612de82622 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   17:     0x5a612dd0909a - rust_out[55b2f4d6dc07c20e]::main::_doctest_main_src_lib_rs_177_0
[INFO] [stdout]   18:     0x5a612dd09006 - rust_out[55b2f4d6dc07c20e]::main
[INFO] [stdout]   19:     0x5a612dd090f3 - <fn() as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x5a612dd08fc6 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x5a612dd08fd9 - std[929523f510218772]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x5a612de69717 - <&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5a612de69717 - std[929523f510218772]::panicking::catch_unwind::do_call::<&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5a612de69717 - std[929523f510218772]::panicking::catch_unwind::<i32, &dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x5a612de69717 - std[929523f510218772]::panic::catch_unwind::<&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5a612de69717 - std[929523f510218772]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5a612de69717 - std[929523f510218772]::panicking::catch_unwind::do_call::<std[929523f510218772]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5a612de69717 - std[929523f510218772]::panicking::catch_unwind::<isize, std[929523f510218772]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5a612de69717 - std[929523f510218772]::panic::catch_unwind::<std[929523f510218772]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5a612de69717 - std[929523f510218772]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5a612dd08fb1 - std[929523f510218772]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x5a612dd09155 - main
[INFO] [stdout]   33:     0x7e04239061ca - <unknown>
[INFO] [stdout]   34:     0x7e042390628b - __libc_start_main
[INFO] [stdout]   35:     0x5a612dd08ec5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - organize_songs (line 152) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] Found 0 songs.
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (110) panicked at src/lib.rs:9:45:
[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:     0x5c33a3e5e038 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c33a3e5e038 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c33a3e5e038 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c33a3e5e038 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c33a3e726ea - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c33a3e726ea - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5c33a3e63162 - std[929523f510218772]::io::default_write_fmt::<std[929523f510218772]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5c33a3e63162 - <std[929523f510218772]::sys::stdio::unix::Stderr as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5c33a3e46df6 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c33a3e46df6 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c33a3e58dc1 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5c33a3e58f7b - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5c33a3e46eb2 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5c33a3e3c0b9 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5c33a3e4781d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5c33a3e72f2c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5c33a3e72ca2 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   17:     0x5c33a3aba8ba - rust_out[55b2f4d6dc07c20e]::main::_doctest_main_src_lib_rs_152_0
[INFO] [stdout]   18:     0x5c33a3aba826 - rust_out[55b2f4d6dc07c20e]::main
[INFO] [stdout]   19:     0x5c33a3aba913 - <fn() as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x5c33a3aba7e6 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x5c33a3aba7f9 - std[929523f510218772]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x5c33a3e58207 - <&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5c33a3e58207 - std[929523f510218772]::panicking::catch_unwind::do_call::<&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5c33a3e58207 - std[929523f510218772]::panicking::catch_unwind::<i32, &dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x5c33a3e58207 - std[929523f510218772]::panic::catch_unwind::<&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5c33a3e58207 - std[929523f510218772]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5c33a3e58207 - std[929523f510218772]::panicking::catch_unwind::do_call::<std[929523f510218772]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5c33a3e58207 - std[929523f510218772]::panicking::catch_unwind::<isize, std[929523f510218772]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5c33a3e58207 - std[929523f510218772]::panic::catch_unwind::<std[929523f510218772]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c33a3e58207 - std[929523f510218772]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5c33a3aba7d1 - std[929523f510218772]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x5c33a3aba975 - main
[INFO] [stdout]   33:     0x7f85da6f51ca - <unknown>
[INFO] [stdout]   34:     0x7f85da6f528b - __libc_start_main
[INFO] [stdout]   35:     0x5c33a3aba6e5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout]     src/lib.rs - Args::parse_and_get_dirs (line 83)
[INFO] [stdout]     src/lib.rs - organize_songs (line 152)
[INFO] [stdout]     src/lib.rs - shuffle_songs (line 177)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "297d60e5a1212962ab2e25294eb05fe58790d4360f33cc220b61f3a97a4e04a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297d60e5a1212962ab2e25294eb05fe58790d4360f33cc220b61f3a97a4e04a6", kill_on_drop: false }`
[INFO] [stdout] 297d60e5a1212962ab2e25294eb05fe58790d4360f33cc220b61f3a97a4e04a6
