[INFO] fetching crate persistent_config 0.1.3...
[INFO] testing persistent_config-0.1.3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate persistent_config 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate persistent_config 0.1.3
[INFO] finished tweaking crates.io crate persistent_config 0.1.3
[INFO] tweaked toml for crates.io crate persistent_config 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate persistent_config 0.1.3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate persistent_config 0.1.3 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded persistent_config_macros v0.1.3
[INFO] [stderr]   Downloaded persistent_config_core v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b06574ebdc9904ea62cb566272dba98a393f2954a9f133f9c5689af417b49038
[INFO] running `Command { std: "docker" "start" "-a" "b06574ebdc9904ea62cb566272dba98a393f2954a9f133f9c5689af417b49038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b06574ebdc9904ea62cb566272dba98a393f2954a9f133f9c5689af417b49038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06574ebdc9904ea62cb566272dba98a393f2954a9f133f9c5689af417b49038", kill_on_drop: false }`
[INFO] [stdout] b06574ebdc9904ea62cb566272dba98a393f2954a9f133f9c5689af417b49038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a70c6a8550b62e94efc1034834fa98c083503ad50dcc6407439f082e12210bf
[INFO] running `Command { std: "docker" "start" "-a" "3a70c6a8550b62e94efc1034834fa98c083503ad50dcc6407439f082e12210bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_edit v0.22.26
[INFO] [stderr]    Compiling persistent_config_core v0.1.3
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling toml v0.8.22
[INFO] [stderr]    Compiling persistent_config v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.78s
[INFO] running `Command { std: "docker" "inspect" "3a70c6a8550b62e94efc1034834fa98c083503ad50dcc6407439f082e12210bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a70c6a8550b62e94efc1034834fa98c083503ad50dcc6407439f082e12210bf", kill_on_drop: false }`
[INFO] [stdout] 3a70c6a8550b62e94efc1034834fa98c083503ad50dcc6407439f082e12210bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87046a601b950733a8ff9f9fc20eec20bff8584e49d77afb330f0169a4dac475
[INFO] running `Command { std: "docker" "start" "-a" "87046a601b950733a8ff9f9fc20eec20bff8584e49d77afb330f0169a4dac475", kill_on_drop: false }`
[INFO] [stderr]    Compiling persistent_config v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "87046a601b950733a8ff9f9fc20eec20bff8584e49d77afb330f0169a4dac475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87046a601b950733a8ff9f9fc20eec20bff8584e49d77afb330f0169a4dac475", kill_on_drop: false }`
[INFO] [stdout] 87046a601b950733a8ff9f9fc20eec20bff8584e49d77afb330f0169a4dac475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa3e5d867c15f4b9200d2088d8b448fff5db30c67ce9b2a6d2371c78983f6daf
[INFO] running `Command { std: "docker" "start" "-a" "fa3e5d867c15f4b9200d2088d8b448fff5db30c67ce9b2a6d2371c78983f6daf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/persistent_config-5bee50074cc9ff2e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests persistent_config
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - PersistentConfig::load (line 191) ... FAILED
[INFO] [stdout] test src/lib.rs - PersistentConfigBuilder::default_save_config (line 101) ... FAILED
[INFO] [stdout] test src/lib.rs - PersistentConfigBuilder::config_builder (line 52) ... FAILED
[INFO] [stdout] test src/lib.rs - PersistentConfig::save (line 141) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 94) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 34) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - PersistentConfig::load (line 191) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MyConfig`
[INFO] [stdout]  --> src/lib.rs:192:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut my_config = MyConfig::default();
[INFO] [stdout]   |                     ^^^^^^^^ use of undeclared type `MyConfig`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - PersistentConfigBuilder::default_save_config (line 101) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MyConfig`
[INFO] [stdout]  --> src/lib.rs:102:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let my_config = MyConfig::default();
[INFO] [stdout]   |                 ^^^^^^^^ use of undeclared type `MyConfig`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - PersistentConfigBuilder::config_builder (line 52) stdout ----
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:53:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | let my_config = MyConfig::default();
[INFO] [stdout]   | ^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `let` cannot be used for global variables
[INFO] [stdout]   | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - PersistentConfig::save (line 141) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MyConfig`
[INFO] [stdout]  --> src/lib.rs:142:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let my_config = MyConfig::default();
[INFO] [stdout]   |                 ^^^^^^^^ use of undeclared type `MyConfig`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 94) stdout ----
[INFO] [stdout] error: cannot find derive macro `Persistent` in this scope
[INFO] [stdout]   --> src/lib.rs:111:50
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Debug, Serialize, Deserialize, Default, Persistent)]
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `default_save_config` found for struct `AppConfig` in the current scope
[INFO] [stdout]   --> src/lib.rs:127:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct AppConfig {
[INFO] [stdout]    | ---------------- method `default_save_config` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     config.default_save_config(false)?;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ method not found in `AppConfig`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `default_save_config`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `persistent_config::PersistentConfigBuilder`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `save` exists for struct `AppConfig`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:130:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct AppConfig {
[INFO] [stdout]    | ---------------- method `save` not found for this struct because it doesn't satisfy `AppConfig: persistent_config::PersistentConfig` or `_: PersistentConfigBuilder`
[INFO] [stdout] ...
[INFO] [stdout] 38 |     config.save()?;
[INFO] [stdout]    |            ^^^^ method cannot be called on `AppConfig` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `AppConfig: persistent_config::PersistentConfigBuilder`
[INFO] [stdout]            which is required by `AppConfig: persistent_config::PersistentConfig`
[INFO] [stdout] note: the trait `persistent_config::PersistentConfigBuilder` must be implemented
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait PersistentConfigBuilder: Sized + Default + Serialize + for<'de> Deserialize<'de> + 'static + Debug {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `save`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `persistent_config::PersistentConfig`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `default_save_config` found for struct `AppConfig` in the current scope
[INFO] [stdout]   --> src/lib.rs:137:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct AppConfig {
[INFO] [stdout]    | ---------------- method `default_save_config` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     loaded_config.default_save_config(false)?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^ method not found in `AppConfig`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `default_save_config`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `persistent_config::PersistentConfigBuilder`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `load` exists for struct `AppConfig`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:140:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct AppConfig {
[INFO] [stdout]    | ---------------- method `load` not found for this struct because it doesn't satisfy `AppConfig: persistent_config::PersistentConfig` or `_: PersistentConfigBuilder`
[INFO] [stdout] ...
[INFO] [stdout] 48 |     loaded_config.load()?;
[INFO] [stdout]    |                   ^^^^ method cannot be called on `AppConfig` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `AppConfig: persistent_config::PersistentConfigBuilder`
[INFO] [stdout]            which is required by `AppConfig: persistent_config::PersistentConfig`
[INFO] [stdout] note: the trait `persistent_config::PersistentConfigBuilder` must be implemented
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait PersistentConfigBuilder: Sized + Default + Serialize + for<'de> Deserialize<'de> + 'static + Debug {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `load`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `persistent_config::PersistentConfig`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 34) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] Error saving file: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]    1: persistent_config::save_file
[INFO] [stdout]    2: persistent_config::PersistentConfig::save
[INFO] [stdout]    3: rust_out::main
[INFO] [stdout]    4: core::ops::function::FnOnce::call_once
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]    6: std::rt::lang_start::{{closure}}
[INFO] [stdout]    7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]    9: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   10: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::rt::lang_start_internal::{{closure}}
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   12: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   13: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   14: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   15: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   16: std::rt::lang_start
[INFO] [stdout]   17: main
[INFO] [stdout]   18: <unknown>
[INFO] [stdout]   19: __libc_start_main
[INFO] [stdout]   20: _start
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Failed to save file
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl anyhow::Error>::msg
[INFO] [stdout]    1: anyhow::__private::format_err
[INFO] [stdout]    2: persistent_config::PersistentConfig::save
[INFO] [stdout]    3: rust_out::main
[INFO] [stdout]    4: core::ops::function::FnOnce::call_once
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]    6: std::rt::lang_start::{{closure}}
[INFO] [stdout]    7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]    9: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   10: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::rt::lang_start_internal::{{closure}}
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   12: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   13: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   14: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   15: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   16: std::rt::lang_start
[INFO] [stdout]   17: main
[INFO] [stdout]   18: <unknown>
[INFO] [stdout]   19: __libc_start_main
[INFO] [stdout]   20: _start
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 34)
[INFO] [stdout]     src/lib.rs - (line 94)
[INFO] [stdout]     src/lib.rs - PersistentConfig::load (line 191)
[INFO] [stdout]     src/lib.rs - PersistentConfig::save (line 141)
[INFO] [stdout]     src/lib.rs - PersistentConfigBuilder::config_builder (line 52)
[INFO] [stdout]     src/lib.rs - PersistentConfigBuilder::default_save_config (line 101)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fa3e5d867c15f4b9200d2088d8b448fff5db30c67ce9b2a6d2371c78983f6daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3e5d867c15f4b9200d2088d8b448fff5db30c67ce9b2a6d2371c78983f6daf", kill_on_drop: false }`
[INFO] [stdout] fa3e5d867c15f4b9200d2088d8b448fff5db30c67ce9b2a6d2371c78983f6daf
