[INFO] cloning repository https://github.com/oli3djon/Shadowsocks-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oli3djon/Shadowsocks-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli3djon%2FShadowsocks-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli3djon%2FShadowsocks-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7ea262e582b402f2148c13ccea0126acc2c5549
[INFO] checking oli3djon/Shadowsocks-rust 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%2Foli3djon%2FShadowsocks-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oli3djon/Shadowsocks-rust
[INFO] finished tweaking git repo https://github.com/oli3djon/Shadowsocks-rust
[INFO] tweaked toml for git repo https://github.com/oli3djon/Shadowsocks-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oli3djon/Shadowsocks-rust 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/oli3djon/Shadowsocks-rust 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-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] 49a9c0308412fd138201fdc674ef80fe84559be0a1aeb26f78a235f17622afd6
[INFO] running `Command { std: "docker" "start" "-a" "49a9c0308412fd138201fdc674ef80fe84559be0a1aeb26f78a235f17622afd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49a9c0308412fd138201fdc674ef80fe84559be0a1aeb26f78a235f17622afd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a9c0308412fd138201fdc674ef80fe84559be0a1aeb26f78a235f17622afd6", kill_on_drop: false }`
[INFO] [stdout] 49a9c0308412fd138201fdc674ef80fe84559be0a1aeb26f78a235f17622afd6
[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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "255c48e9d9e30a66e6565c171322664f4c9678e681c6cb6441f5653f0983f1b6", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/online_config/content_encoding.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |     B::Error: Into<Box<(dyn ::std::error::Error + Send + Sync + 'static)>>,
[INFO] [stdout]    |                        ^                                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     B::Error: Into<Box<(dyn ::std::error::Error + Send + Sync + 'static)>>,
[INFO] [stdout] 49 +     B::Error: Into<Box<dyn ::std::error::Error + Send + Sync + 'static>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/online_config/content_encoding.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |     B::Error: Into<Box<(dyn ::std::error::Error + Send + Sync + 'static)>>,
[INFO] [stdout]    |                        ^                                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     B::Error: Into<Box<(dyn ::std::error::Error + Send + Sync + 'static)>>,
[INFO] [stdout] 49 +     B::Error: Into<Box<dyn ::std::error::Error + Send + Sync + 'static>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/shadowsocks-service/src/acl/mod.rs:520:31
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn convert_to_ascii(host: &str) -> Cow<str> {
[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] 520 |     fn convert_to_ascii(host: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/shadowsocks-service/src/acl/mod.rs:520:31
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn convert_to_ascii(host: &str) -> Cow<str> {
[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] 520 |     fn convert_to_ascii(host: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:729:53
[INFO] [stdout]     |
[INFO] [stdout] 729 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 730 | |         match s.parse::<IpAddr>() {
[INFO] [stdout] 731 | |             Ok(s) => Ok(ManagerServerHost::Ip(s)),
[INFO] [stdout] 732 | |             Err(..) => Ok(ManagerServerHost::Domain(s.to_owned())),
[INFO] [stdout] 733 | |         }
[INFO] [stdout] 734 | |     }
[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<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:730:9
[INFO] [stdout]     |
[INFO] [stdout] 730 | /         match s.parse::<IpAddr>() {
[INFO] [stdout] 731 | |             Ok(s) => Ok(ManagerServerHost::Ip(s)),
[INFO] [stdout] 732 | |             Err(..) => Ok(ManagerServerHost::Domain(s.to_owned())),
[INFO] [stdout] 733 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:731:22
[INFO] [stdout]     |
[INFO] [stdout] 731 |             Ok(s) => Ok(ManagerServerHost::Ip(s)),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:732:24
[INFO] [stdout]     |
[INFO] [stdout] 732 |             Err(..) => Ok(ManagerServerHost::Domain(s.to_owned())),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 34 | |         if let Ok(ip) = s.parse::<IpAddr>() {
[INFO] [stdout] 35 | |             return Ok(NameServerAddr::SocketAddr(SocketAddr::new(ip, 53)));
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |             return Ok(NameServerAddr::SocketAddr(SocketAddr::new(ip, 53)));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         match s.parse::<SocketAddr>() {
[INFO] [stdout] 39 | |             Ok(addr) => Ok(NameServerAddr::SocketAddr(addr)),
[INFO] [stdout] 40 | |             #[cfg(unix)]
[INFO] [stdout] 41 | |             Err(..) => Ok(NameServerAddr::UnixSocketAddr(PathBuf::from(s))),
[INFO] [stdout] 42 | |             #[cfg(not(unix))]
[INFO] [stdout] 43 | |             Err(err) => Err(err),
[INFO] [stdout] 44 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Ok(addr) => Ok(NameServerAddr::SocketAddr(addr)),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Err(..) => Ok(NameServerAddr::UnixSocketAddr(PathBuf::from(s))),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:729:53
[INFO] [stdout]     |
[INFO] [stdout] 729 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 730 | |         match s.parse::<IpAddr>() {
[INFO] [stdout] 731 | |             Ok(s) => Ok(ManagerServerHost::Ip(s)),
[INFO] [stdout] 732 | |             Err(..) => Ok(ManagerServerHost::Domain(s.to_owned())),
[INFO] [stdout] 733 | |         }
[INFO] [stdout] 734 | |     }
[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<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:730:9
[INFO] [stdout]     |
[INFO] [stdout] 730 | /         match s.parse::<IpAddr>() {
[INFO] [stdout] 731 | |             Ok(s) => Ok(ManagerServerHost::Ip(s)),
[INFO] [stdout] 732 | |             Err(..) => Ok(ManagerServerHost::Domain(s.to_owned())),
[INFO] [stdout] 733 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:731:22
[INFO] [stdout]     |
[INFO] [stdout] 731 |             Ok(s) => Ok(ManagerServerHost::Ip(s)),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:732:24
[INFO] [stdout]     |
[INFO] [stdout] 732 |             Err(..) => Ok(ManagerServerHost::Domain(s.to_owned())),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 34 | |         if let Ok(ip) = s.parse::<IpAddr>() {
[INFO] [stdout] 35 | |             return Ok(NameServerAddr::SocketAddr(SocketAddr::new(ip, 53)));
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |             return Ok(NameServerAddr::SocketAddr(SocketAddr::new(ip, 53)));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         match s.parse::<SocketAddr>() {
[INFO] [stdout] 39 | |             Ok(addr) => Ok(NameServerAddr::SocketAddr(addr)),
[INFO] [stdout] 40 | |             #[cfg(unix)]
[INFO] [stdout] 41 | |             Err(..) => Ok(NameServerAddr::UnixSocketAddr(PathBuf::from(s))),
[INFO] [stdout] 42 | |             #[cfg(not(unix))]
[INFO] [stdout] 43 | |             Err(err) => Err(err),
[INFO] [stdout] 44 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Ok(addr) => Ok(NameServerAddr::SocketAddr(addr)),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NameServerAddr, Infallible>
[INFO] [stdout]   --> crates/shadowsocks-service/src/local/dns/config.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Err(..) => Ok(NameServerAddr::UnixSocketAddr(PathBuf::from(s))),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shadowsocks-service` (lib) due to 9 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `shadowsocks-service` (lib test) due to 9 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "255c48e9d9e30a66e6565c171322664f4c9678e681c6cb6441f5653f0983f1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255c48e9d9e30a66e6565c171322664f4c9678e681c6cb6441f5653f0983f1b6", kill_on_drop: false }`
[INFO] [stdout] 255c48e9d9e30a66e6565c171322664f4c9678e681c6cb6441f5653f0983f1b6
