[INFO] cloning repository https://github.com/hazyfossa/flint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hazyfossa/flint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazyfossa%2Fflint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazyfossa%2Fflint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d638cdfced642f45e5341222073ef13c233d198
[INFO] checking hazyfossa/flint against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazyfossa%2Fflint" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hazyfossa/flint
[INFO] finished tweaking git repo https://github.com/hazyfossa/flint
[INFO] tweaked toml for git repo https://github.com/hazyfossa/flint written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hazyfossa/flint 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] crate git repo https://github.com/hazyfossa/flint 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b0a15bdac64e321077b183197c10502182a1fcbe9bd97f55dae309d659b89cb9
[INFO] running `Command { std: "docker" "start" "-a" "b0a15bdac64e321077b183197c10502182a1fcbe9bd97f55dae309d659b89cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a15bdac64e321077b183197c10502182a1fcbe9bd97f55dae309d659b89cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a15bdac64e321077b183197c10502182a1fcbe9bd97f55dae309d659b89cb9", kill_on_drop: false }`
[INFO] [stdout] b0a15bdac64e321077b183197c10502182a1fcbe9bd97f55dae309d659b89cb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5302ba8eb9b9fba8cd97924bc78758c256f373736040db73426ed7a1b13c8e40
[INFO] running `Command { std: "docker" "start" "-a" "5302ba8eb9b9fba8cd97924bc78758c256f373736040db73426ed7a1b13c8e40", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.7.13
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[INFO] [stdout] warning: unused import: `tokio::net::UnixDatagram`
[INFO] [stdout]  --> src/mode/worker.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::UnixDatagram;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::UnixDatagram`
[INFO] [stdout]  --> src/mode/worker.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::UnixDatagram;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `greeter_config`
[INFO] [stdout]   --> src/mode/daemon.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let greeter_config = config.greeters.get(&daemon_config.greeter).ok_or(anyhow!(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeter_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logind`
[INFO] [stdout]   --> src/mode/daemon.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let logind = systemd::dbus::logind::LoginD::builder(&dbus)
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/mode/worker.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 | async fn run(args: &Arguments) -> Result<()> {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `greeter_config`
[INFO] [stdout]   --> src/mode/daemon.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let greeter_config = config.greeters.get(&daemon_config.greeter).ok_or(anyhow!(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeter_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logind`
[INFO] [stdout]   --> src/mode/daemon.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let logind = systemd::dbus::logind::LoginD::builder(&dbus)
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/mode/worker.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 | async fn run(args: &Arguments) -> Result<()> {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `session` and `executable` are never read
[INFO] [stdout]  --> src/greet/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct GreeterConfig {
[INFO] [stdout]   |            ------------- fields in this struct
[INFO] [stdout] 7 |     session: Option<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     executable: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `GreeterConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/mode/worker.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 | async fn run(args: &Arguments) -> Result<()> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UserDatabase` is never used
[INFO] [stdout]  --> src/systemd/varlink/userdb.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait UserDatabase {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GetUserRecordOutput` is never constructed
[INFO] [stdout]   --> src/systemd/varlink/userdb.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct GetUserRecordOutput {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GetGroupRecordOutput` is never constructed
[INFO] [stdout]   --> src/systemd/varlink/userdb.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct GetGroupRecordOutput {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GetMembershipsOutput` is never constructed
[INFO] [stdout]   --> src/systemd/varlink/userdb.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct GetMembershipsOutput<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UserDatabaseError` is never used
[INFO] [stdout]   --> src/systemd/varlink/userdb.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub enum UserDatabaseError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/login/context.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | env_parser_auto!(Seat);
[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 `env_parser_auto` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/login/context.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | env_parser_auto!(Seat);
[INFO] [stdout]    | ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/session/define.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | env_parser_auto!(SessionTypeEnv);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/session/define.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | env_parser_auto!(SessionTypeEnv);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]    --> src/environment.rs:37:25
[INFO] [stdout]     |
[INFO] [stdout]  37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/session/metadata.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | env_parser_auto!(SessionNameEnv);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/environment.rs:37:25
[INFO] [stdout]     |
[INFO] [stdout]  37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/session/metadata.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | env_parser_auto!(SessionNameEnv);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/session/x11/auth/encoding.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[br(count = address_len)]
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/session/x11/auth/encoding.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[br(count = display_len)]
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/session/x11/auth/encoding.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[br(count = name_len)]
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/session/x11/auth/encoding.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     #[br(count = data_len)]
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/session/wayland/mod.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | env_parser_auto!(Display);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/session/wayland/mod.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | env_parser_auto!(Display);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/utils.rs:234:87
[INFO] [stdout]     |
[INFO] [stdout] 234 |                   .opt_value_from_os_str::<_, _, Infallible>(["-c", "--config"], |path| {
[INFO] [stdout]     |  _______________________________________________________________________________________^
[INFO] [stdout] 235 | |                     Ok(PathBuf::from(path))
[INFO] [stdout] 236 | |                 })?
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/utils.rs:235:21
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     Ok(PathBuf::from(path))
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flint` (bin "flint") due to 14 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `session` and `executable` are never read
[INFO] [stdout]  --> src/greet/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct GreeterConfig {
[INFO] [stdout]   |            ------------- fields in this struct
[INFO] [stdout] 7 |     session: Option<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     executable: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `GreeterConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/mode/worker.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 | async fn run(args: &Arguments) -> Result<()> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UserDatabase` is never used
[INFO] [stdout]  --> src/systemd/varlink/userdb.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait UserDatabase {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GetUserRecordOutput` is never constructed
[INFO] [stdout]   --> src/systemd/varlink/userdb.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct GetUserRecordOutput {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GetGroupRecordOutput` is never constructed
[INFO] [stdout]   --> src/systemd/varlink/userdb.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct GetGroupRecordOutput {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GetMembershipsOutput` is never constructed
[INFO] [stdout]   --> src/systemd/varlink/userdb.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct GetMembershipsOutput<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UserDatabaseError` is never used
[INFO] [stdout]   --> src/systemd/varlink/userdb.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub enum UserDatabaseError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/login/context.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | env_parser_auto!(Seat);
[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 `env_parser_auto` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/login/context.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | env_parser_auto!(Seat);
[INFO] [stdout]    | ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/session/define.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | env_parser_auto!(SessionTypeEnv);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/session/define.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | env_parser_auto!(SessionTypeEnv);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]    --> src/environment.rs:37:25
[INFO] [stdout]     |
[INFO] [stdout]  37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/session/metadata.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | env_parser_auto!(SessionNameEnv);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/environment.rs:37:25
[INFO] [stdout]     |
[INFO] [stdout]  37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/session/metadata.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | env_parser_auto!(SessionNameEnv);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/session/x11/auth/encoding.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[br(count = address_len)]
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/session/x11/auth/encoding.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[br(count = display_len)]
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/session/x11/auth/encoding.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[br(count = name_len)]
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/session/x11/auth/encoding.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     #[br(count = data_len)]
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/session/wayland/mod.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | env_parser_auto!(Display);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/environment.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Ok(Self(value.try_to_string()?.parse()?))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/session/wayland/mod.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | env_parser_auto!(Display);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env_parser_auto` (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: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/utils.rs:234:87
[INFO] [stdout]     |
[INFO] [stdout] 234 |                   .opt_value_from_os_str::<_, _, Infallible>(["-c", "--config"], |path| {
[INFO] [stdout]     |  _______________________________________________________________________________________^
[INFO] [stdout] 235 | |                     Ok(PathBuf::from(path))
[INFO] [stdout] 236 | |                 })?
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/utils.rs:235:21
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     Ok(PathBuf::from(path))
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flint` (bin "flint" test) due to 14 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5302ba8eb9b9fba8cd97924bc78758c256f373736040db73426ed7a1b13c8e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5302ba8eb9b9fba8cd97924bc78758c256f373736040db73426ed7a1b13c8e40", kill_on_drop: false }`
[INFO] [stdout] 5302ba8eb9b9fba8cd97924bc78758c256f373736040db73426ed7a1b13c8e40
