[INFO] fetching crate shadowsocks-gtk-rs 0.4.1...
[INFO] checking shadowsocks-gtk-rs-0.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate shadowsocks-gtk-rs 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate shadowsocks-gtk-rs 0.4.1
[INFO] finished tweaking crates.io crate shadowsocks-gtk-rs 0.4.1
[INFO] tweaked toml for crates.io crate shadowsocks-gtk-rs 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadowsocks-gtk-rs 0.4.1 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] crate crates.io crate shadowsocks-gtk-rs 0.4.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5c4a8ea1a7599826f2d43e75ebe269d171076fa099df80ee298f36cf0432f164
[INFO] running `Command { std: "docker" "start" "-a" "5c4a8ea1a7599826f2d43e75ebe269d171076fa099df80ee298f36cf0432f164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c4a8ea1a7599826f2d43e75ebe269d171076fa099df80ee298f36cf0432f164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4a8ea1a7599826f2d43e75ebe269d171076fa099df80ee298f36cf0432f164", kill_on_drop: false }`
[INFO] [stdout] 5c4a8ea1a7599826f2d43e75ebe269d171076fa099df80ee298f36cf0432f164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cf4090686ab364538610a13b666f82037f3bf02cc2f636e1691c72af46853b32
[INFO] running `Command { std: "docker" "start" "-a" "cf4090686ab364538610a13b666f82037f3bf02cc2f636e1691c72af46853b32", kill_on_drop: false }`
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[INFO] [stderr]    Compiling gtk3-macros v0.15.4
[INFO] [stderr]     Checking clap v3.2.8
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[INFO] [stderr]     Checking shadowsocks-gtk-rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib/util/sync.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn mutex_lock<T>(lock: &Mutex<T>) -> MutexGuard<T> {
[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] 11 | pub fn mutex_lock<T>(lock: &Mutex<T>) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib/util/sync.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn rwlock_read<T>(lock: &RwLock<T>) -> RwLockReadGuard<T> {
[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] 19 | pub fn rwlock_read<T>(lock: &RwLock<T>) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib/util/sync.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn rwlock_write<T>(lock: &RwLock<T>) -> RwLockWriteGuard<T> {
[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] 26 | pub fn rwlock_write<T>(lock: &RwLock<T>) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib/util/sync.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn mutex_lock<T>(lock: &Mutex<T>) -> MutexGuard<T> {
[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] 11 | pub fn mutex_lock<T>(lock: &Mutex<T>) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib/util/sync.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn rwlock_read<T>(lock: &RwLock<T>) -> RwLockReadGuard<T> {
[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] 19 | pub fn rwlock_read<T>(lock: &RwLock<T>) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib/util/sync.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn rwlock_write<T>(lock: &RwLock<T>) -> RwLockWriteGuard<T> {
[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] 26 | pub fn rwlock_write<T>(lock: &RwLock<T>) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtkctl/clap_def.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub runtime_api_socket_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/ssgtkctl/clap_def.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         profile_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shadowsocks-gtk-rs` (bin "ssgtkctl" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtkctl/clap_def.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub runtime_api_socket_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/ssgtkctl/clap_def.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         profile_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shadowsocks-gtk-rs` (bin "ssgtkctl") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub profiles_dir: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub app_state_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub tray_icon_filename: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub icon_theme_dir: Option<PathBuf>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub runtime_api_socket_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub profiles_dir: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shadowsocks-gtk-rs` (bin "ssgtk") due to 5 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub app_state_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub tray_icon_filename: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub icon_theme_dir: Option<PathBuf>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/ssgtk/clap_def.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub runtime_api_socket_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shadowsocks-gtk-rs` (bin "ssgtk" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "cf4090686ab364538610a13b666f82037f3bf02cc2f636e1691c72af46853b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4090686ab364538610a13b666f82037f3bf02cc2f636e1691c72af46853b32", kill_on_drop: false }`
[INFO] [stdout] cf4090686ab364538610a13b666f82037f3bf02cc2f636e1691c72af46853b32
