[INFO] fetching crate manaconf 0.2.1...
[INFO] checking manaconf-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate manaconf 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate manaconf 0.2.1
[INFO] finished tweaking crates.io crate manaconf 0.2.1
[INFO] tweaked toml for crates.io crate manaconf 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate manaconf 0.2.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 703456b53a08b42d13d4a493fde9464a005e9d548e942ca32cc0837931eb5701
[INFO] running `Command { std: "docker" "start" "-a" "703456b53a08b42d13d4a493fde9464a005e9d548e942ca32cc0837931eb5701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "703456b53a08b42d13d4a493fde9464a005e9d548e942ca32cc0837931eb5701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703456b53a08b42d13d4a493fde9464a005e9d548e942ca32cc0837931eb5701", kill_on_drop: false }`
[INFO] [stdout] 703456b53a08b42d13d4a493fde9464a005e9d548e942ca32cc0837931eb5701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caeb98df3c22ef7cd695e8566fd0867e46235ca5983ccef6e6044aec2b9608f5
[INFO] running `Command { std: "docker" "start" "-a" "caeb98df3c22ef7cd695e8566fd0867e46235ca5983ccef6e6044aec2b9608f5", kill_on_drop: false }`
[INFO] [stderr]     Checking manaconf v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/lib.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 147 |         self.section(key.as_ref())
[INFO] [stdout]     |         -------------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/lib.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 147 |         self.section(key.as_ref())
[INFO] [stdout]     |         -------------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:146:35
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section {
[INFO] [stdout]     |                                   ^^^^^             ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn _section(&self, key: &Key) -> Section {
[INFO] [stdout]     |                 ^^^^^                ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn _section(&self, key: &Key) -> Section<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:179:35
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section {
[INFO] [stdout]     |                                   ^^^^^             ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:146:35
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section {
[INFO] [stdout]     |                                   ^^^^^             ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u32>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 | try_from_value_int!(u32);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn _section(&self, key: &Key) -> Section {
[INFO] [stdout]     |                 ^^^^^                ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn _section(&self, key: &Key) -> Section<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:179:35
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section {
[INFO] [stdout]     |                                   ^^^^^             ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn section<K: AsRef<Key>>(&self, key: K) -> Section<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 | try_from_value_int!(u32);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u64>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 | try_from_value_int!(u64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 | try_from_value_int!(u64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u64>
[INFO] [stdout]    --> src/value.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     Value::Ulong(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 | try_from_value_int!(u64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/value.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     Value::Ulong(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 | try_from_value_int!(u64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i32>
[INFO] [stdout]    --> src/value.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     Value::Int(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 | try_from_value_int!(i32);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/value.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     Value::Int(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 | try_from_value_int!(i32);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/value.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     Value::Int(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/value.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     Value::Int(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/value.rs:121:42
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     Value::Long(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/value.rs:121:42
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     Value::Long(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Value>, Infallible>
[INFO] [stdout]   --> src/sources/command_line.rs:55:81
[INFO] [stdout]    |
[INFO] [stdout] 55 |       fn get_value(&self, key: &Key) -> Result<Option<crate::Value>, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________________________^
[INFO] [stdout] 56 | |         let value = self.values
[INFO] [stdout] 57 | |             .get(key)
[INFO] [stdout] 58 | |             .map(|v| Value::String(v.clone()));
[INFO] [stdout] 59 | |
[INFO] [stdout] 60 | |         Ok(value)
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Value>, Infallible>
[INFO] [stdout]   --> src/sources/command_line.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Ok(value)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u32>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 | try_from_value_int!(u32);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 | try_from_value_int!(u32);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u64>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 | try_from_value_int!(u64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 | try_from_value_int!(u64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u64>
[INFO] [stdout]    --> src/value.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     Value::Ulong(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 | try_from_value_int!(u64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/value.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     Value::Ulong(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 | try_from_value_int!(u64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i32>
[INFO] [stdout]    --> src/value.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     Value::Int(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 | try_from_value_int!(i32);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/value.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     Value::Int(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 | try_from_value_int!(i32);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/value.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     Value::Int(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/value.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     Value::Int(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/value.rs:121:42
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     Value::Long(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/value.rs:121:42
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     Value::Long(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/value.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Value::Uint(v) => Ok(<$int_type>::try_from(v)?),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | try_from_value_int!(i64);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_from_value_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Value>, Infallible>
[INFO] [stdout]   --> src/sources/command_line.rs:55:81
[INFO] [stdout]    |
[INFO] [stdout] 55 |       fn get_value(&self, key: &Key) -> Result<Option<crate::Value>, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________________________^
[INFO] [stdout] 56 | |         let value = self.values
[INFO] [stdout] 57 | |             .get(key)
[INFO] [stdout] 58 | |             .map(|v| Value::String(v.clone()));
[INFO] [stdout] 59 | |
[INFO] [stdout] 60 | |         Ok(value)
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Value>, Infallible>
[INFO] [stdout]   --> src/sources/command_line.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Ok(value)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `manaconf` (lib test) due to 16 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `manaconf` (lib) due to 16 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "caeb98df3c22ef7cd695e8566fd0867e46235ca5983ccef6e6044aec2b9608f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caeb98df3c22ef7cd695e8566fd0867e46235ca5983ccef6e6044aec2b9608f5", kill_on_drop: false }`
[INFO] [stdout] caeb98df3c22ef7cd695e8566fd0867e46235ca5983ccef6e6044aec2b9608f5