[INFO] cloning repository https://github.com/shadowsocks/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/shadowsocks/shadowsocks-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowsocks%2Fshadowsocks-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowsocks%2Fshadowsocks-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee9ad25ae72eb6bd0c769b81e1219a286c0c91fa
[INFO] checking shadowsocks/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%2Fshadowsocks%2Fshadowsocks-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shadowsocks/shadowsocks-rust
[INFO] finished tweaking git repo https://github.com/shadowsocks/shadowsocks-rust
[INFO] tweaked toml for git repo https://github.com/shadowsocks/shadowsocks-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shadowsocks/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/shadowsocks/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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6041f14a12a19895d4afbb8a3f77be983772eeeda54712bf9f477bf01dc07d6c
[INFO] running `Command { std: "docker" "start" "-a" "6041f14a12a19895d4afbb8a3f77be983772eeeda54712bf9f477bf01dc07d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6041f14a12a19895d4afbb8a3f77be983772eeeda54712bf9f477bf01dc07d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6041f14a12a19895d4afbb8a3f77be983772eeeda54712bf9f477bf01dc07d6c", kill_on_drop: false }`
[INFO] [stdout] 6041f14a12a19895d4afbb8a3f77be983772eeeda54712bf9f477bf01dc07d6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 28416b4efe56c3e68125218e996eae2f8e4504b5bbfbf8584a3454af8d2dd2d0
[INFO] running `Command { std: "docker" "start" "-a" "28416b4efe56c3e68125218e996eae2f8e4504b5bbfbf8584a3454af8d2dd2d0", kill_on_drop: false }`
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[INFO] [stderr]     Checking shadowsocks v1.23.2 (/opt/rustwide/workdir/crates/shadowsocks)
[INFO] [stderr]     Checking shadowsocks-service v1.23.6 (/opt/rustwide/workdir/crates/shadowsocks-service)
[INFO] [stdout] error: this type will no longer be must used: Result<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:736:53
[INFO] [stdout]     |
[INFO] [stdout] 736 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 737 | |         match s.parse::<IpAddr>() {
[INFO] [stdout] 738 | |             Ok(s) => Ok(Self::Ip(s)),
[INFO] [stdout] 739 | |             Err(..) => Ok(Self::Domain(s.to_owned())),
[INFO] [stdout] 740 | |         }
[INFO] [stdout] 741 | |     }
[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:737:9
[INFO] [stdout]     |
[INFO] [stdout] 737 | /         match s.parse::<IpAddr>() {
[INFO] [stdout] 738 | |             Ok(s) => Ok(Self::Ip(s)),
[INFO] [stdout] 739 | |             Err(..) => Ok(Self::Domain(s.to_owned())),
[INFO] [stdout] 740 | |         }
[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:738:22
[INFO] [stdout]     |
[INFO] [stdout] 738 |             Ok(s) => Ok(Self::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:739:24
[INFO] [stdout]     |
[INFO] [stdout] 739 |             Err(..) => Ok(Self::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(Self::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(Self::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(Self::SocketAddr(addr)),
[INFO] [stdout] 40 | |             #[cfg(unix)]
[INFO] [stdout] 41 | |             Err(..) => Ok(Self::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(Self::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(Self::UnixSocketAddr(PathBuf::from(s))),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shadowsocks-service` (lib) due to 9 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<ManagerServerHost, Infallible>
[INFO] [stdout]    --> crates/shadowsocks-service/src/config.rs:736:53
[INFO] [stdout]     |
[INFO] [stdout] 736 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 737 | |         match s.parse::<IpAddr>() {
[INFO] [stdout] 738 | |             Ok(s) => Ok(Self::Ip(s)),
[INFO] [stdout] 739 | |             Err(..) => Ok(Self::Domain(s.to_owned())),
[INFO] [stdout] 740 | |         }
[INFO] [stdout] 741 | |     }
[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:737:9
[INFO] [stdout]     |
[INFO] [stdout] 737 | /         match s.parse::<IpAddr>() {
[INFO] [stdout] 738 | |             Ok(s) => Ok(Self::Ip(s)),
[INFO] [stdout] 739 | |             Err(..) => Ok(Self::Domain(s.to_owned())),
[INFO] [stdout] 740 | |         }
[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:738:22
[INFO] [stdout]     |
[INFO] [stdout] 738 |             Ok(s) => Ok(Self::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:739:24
[INFO] [stdout]     |
[INFO] [stdout] 739 |             Err(..) => Ok(Self::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(Self::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(Self::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(Self::SocketAddr(addr)),
[INFO] [stdout] 40 | |             #[cfg(unix)]
[INFO] [stdout] 41 | |             Err(..) => Ok(Self::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(Self::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(Self::UnixSocketAddr(PathBuf::from(s))),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shadowsocks-service` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "28416b4efe56c3e68125218e996eae2f8e4504b5bbfbf8584a3454af8d2dd2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28416b4efe56c3e68125218e996eae2f8e4504b5bbfbf8584a3454af8d2dd2d0", kill_on_drop: false }`
[INFO] [stdout] 28416b4efe56c3e68125218e996eae2f8e4504b5bbfbf8584a3454af8d2dd2d0
