[INFO] fetching crate shadowsocks-service 1.23.6...
[INFO] checking shadowsocks-service-1.23.6 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate shadowsocks-service 1.23.6 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadowsocks-service 1.23.6 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7070134cbab251eb60e9d5e2a4c65ec89f3b4b4e2805c1994caa84272857850
[INFO] running `Command { std: "docker" "start" "-a" "f7070134cbab251eb60e9d5e2a4c65ec89f3b4b4e2805c1994caa84272857850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7070134cbab251eb60e9d5e2a4c65ec89f3b4b4e2805c1994caa84272857850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7070134cbab251eb60e9d5e2a4c65ec89f3b4b4e2805c1994caa84272857850", kill_on_drop: false }`
[INFO] [stdout] f7070134cbab251eb60e9d5e2a4c65ec89f3b4b4e2805c1994caa84272857850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1178562ff78ca1902042ce29c24523c8683d159549c34b9cfaa73b479f734f3b
[INFO] running `Command { std: "docker" "start" "-a" "1178562ff78ca1902042ce29c24523c8683d159549c34b9cfaa73b479f734f3b", kill_on_drop: false }`
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[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] 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.35s
[INFO] running `Command { std: "docker" "inspect" "1178562ff78ca1902042ce29c24523c8683d159549c34b9cfaa73b479f734f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1178562ff78ca1902042ce29c24523c8683d159549c34b9cfaa73b479f734f3b", kill_on_drop: false }`
[INFO] [stdout] 1178562ff78ca1902042ce29c24523c8683d159549c34b9cfaa73b479f734f3b