[INFO] fetching crate fast-socks5 1.0.0-rc.0...
[INFO] checking fast-socks5-1.0.0-rc.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fast-socks5 1.0.0-rc.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fast-socks5 1.0.0-rc.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fast-socks5 1.0.0-rc.0
[INFO] tweaked toml for crates.io crate fast-socks5 1.0.0-rc.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-socks5 1.0.0-rc.0 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 fast-socks5 1.0.0-rc.0 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] 7434dd93d7eaefee42fe942fa8079d01a1ccbc8c41fd9e590dcda520e14588e2
[INFO] running `Command { std: "docker" "start" "-a" "7434dd93d7eaefee42fe942fa8079d01a1ccbc8c41fd9e590dcda520e14588e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7434dd93d7eaefee42fe942fa8079d01a1ccbc8c41fd9e590dcda520e14588e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7434dd93d7eaefee42fe942fa8079d01a1ccbc8c41fd9e590dcda520e14588e2", kill_on_drop: false }`
[INFO] [stdout] 7434dd93d7eaefee42fe942fa8079d01a1ccbc8c41fd9e590dcda520e14588e2
[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] e1b846b908cb8639351b54be78800a54231058ca8bf3ccde217d88a620586aba
[INFO] running `Command { std: "docker" "start" "-a" "e1b846b908cb8639351b54be78800a54231058ca8bf3ccde217d88a620586aba", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.86
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking fast-socks5 v1.0.0-rc.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]    --> src/lib.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl AuthenticationMethod {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn from_u8(code: u8) -> Option<AuthenticationMethod> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/udp_client.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     /// Target (DNS) server address, e.g. `8.8.8.8`
[INFO] [stdout] 36 | |     #[structopt(short = "a", long)]
[INFO] [stdout] 37 | |     pub target_server: String,
[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<String, Infallible>
[INFO] [stdout]   --> examples/udp_client.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     #[structopt(short = "d", long)]
[INFO] [stdout] 44 | |     pub query_domain: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/udp_client.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     #[structopt(short, long)]
[INFO] [stdout] 47 | |     pub username: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/udp_client.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     #[structopt(long)]
[INFO] [stdout] 50 | |     pub password: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast-socks5` (example "udp_client") due to 4 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<String, Infallible>
[INFO] [stdout]   --> examples/router.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | /     /// Bind on address address. eg. `127.0.0.1:1080`
[INFO] [stdout] 54 | |     #[structopt(short, long)]
[INFO] [stdout] 55 | |     pub listen_addr: String,
[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<String, Infallible>
[INFO] [stdout]   --> examples/router.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | /         #[structopt(short, long)]
[INFO] [stdout] 68 | |         username: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/router.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 | /         #[structopt(short, long)]
[INFO] [stdout] 71 | |         password: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast-socks5` (example "router") due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/client.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Socks5 server address + port. eg. `127.0.0.1:1080`
[INFO] [stdout] 26 | |     #[structopt(short, long)]
[INFO] [stdout] 27 | |     pub socks_server: String,
[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<String, Infallible>
[INFO] [stdout]   --> examples/client.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Target address server (not the socks server)
[INFO] [stdout] 30 | |     #[structopt(short = "a", long)]
[INFO] [stdout] 31 | |     pub target_addr: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/client.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     #[structopt(short, long)]
[INFO] [stdout] 38 | |     pub username: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/client.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     #[structopt(long)]
[INFO] [stdout] 41 | |     pub password: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/server.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// Bind on address address. eg. `127.0.0.1:1080`
[INFO] [stdout] 32 | |     #[structopt(short, long)]
[INFO] [stdout] 33 | |     pub listen_addr: String,
[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<String, Infallible>
[INFO] [stdout]   --> examples/server.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | /         #[structopt(short, long)]
[INFO] [stdout] 62 | |         username: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/server.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | /         #[structopt(short, long)]
[INFO] [stdout] 65 | |         password: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast-socks5` (example "client") due to 4 previous errors
[INFO] [stderr] error: could not compile `fast-socks5` (example "server") due to 3 previous errors
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]    --> src/lib.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl AuthenticationMethod {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn from_u8(code: u8) -> Option<AuthenticationMethod> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/custom_auth_server.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// Bind on address address. eg. `127.0.0.1:1080`
[INFO] [stdout] 39 | |     #[structopt(short, long)]
[INFO] [stdout] 40 | |     pub listen_addr: String,
[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 `fast-socks5` (example "custom_auth_server") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e1b846b908cb8639351b54be78800a54231058ca8bf3ccde217d88a620586aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b846b908cb8639351b54be78800a54231058ca8bf3ccde217d88a620586aba", kill_on_drop: false }`
[INFO] [stdout] e1b846b908cb8639351b54be78800a54231058ca8bf3ccde217d88a620586aba
