[INFO] fetching crate shadowsocks-service 1.23.6...
[INFO] checking shadowsocks-service-1.23.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate shadowsocks-service 1.23.6 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate shadowsocks-service 1.23.6
[INFO] finished tweaking crates.io crate shadowsocks-service 1.23.6
[INFO] tweaked toml for crates.io crate shadowsocks-service 1.23.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadowsocks-service 1.23.6 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-service 1.23.6 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] 256cc5925266d0bf4ec6680885c3b2b48a9dc75102d6ecbbb6d9233a827a536f
[INFO] running `Command { std: "docker" "start" "-a" "256cc5925266d0bf4ec6680885c3b2b48a9dc75102d6ecbbb6d9233a827a536f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "256cc5925266d0bf4ec6680885c3b2b48a9dc75102d6ecbbb6d9233a827a536f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256cc5925266d0bf4ec6680885c3b2b48a9dc75102d6ecbbb6d9233a827a536f", kill_on_drop: false }`
[INFO] [stdout] 256cc5925266d0bf4ec6680885c3b2b48a9dc75102d6ecbbb6d9233a827a536f
[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] 0b29a5a59155df01b5a03d919f0025f664d4d67e04dcbb8dec6d3214ae6fdbc3
[INFO] running `Command { std: "docker" "start" "-a" "0b29a5a59155df01b5a03d919f0025f664d4d67e04dcbb8dec6d3214ae6fdbc3", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.8.1
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[INFO] [stderr]    Compiling ucd-trie v0.1.7
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[INFO] [stderr]     Checking shadowsocks-crypto v0.6.1
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[INFO] [stderr]     Checking shadowsocks v1.23.2
[INFO] [stderr]     Checking shadowsocks-service v1.23.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ServerHandle` is never constructed
[INFO] [stdout]   --> src/utils.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ServerHandle(pub JoinHandle<io::Result<()>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/acl/mod.rs:546:31
[INFO] [stdout]     |
[INFO] [stdout] 546 |     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] 546 |     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]    --> 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]    --> 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]    --> 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]    --> 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] warning: struct `ServerHandle` is never constructed
[INFO] [stdout]   --> src/utils.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ServerHandle(pub JoinHandle<io::Result<()>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/acl/mod.rs:546:31
[INFO] [stdout]     |
[INFO] [stdout] 546 |     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] 546 |     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]    --> 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]    --> 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]    --> 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]    --> src/config.rs:739:24
[INFO] [stdout]     |
[INFO] [stdout] 739 |             Err(..) => Ok(Self::Domain(s.to_owned())),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shadowsocks-service` (lib test) due to 4 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) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0b29a5a59155df01b5a03d919f0025f664d4d67e04dcbb8dec6d3214ae6fdbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b29a5a59155df01b5a03d919f0025f664d4d67e04dcbb8dec6d3214ae6fdbc3", kill_on_drop: false }`
[INFO] [stdout] 0b29a5a59155df01b5a03d919f0025f664d4d67e04dcbb8dec6d3214ae6fdbc3
