[INFO] cloning repository https://github.com/MutableInteractive/the-fourth-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MutableInteractive/the-fourth-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMutableInteractive%2Fthe-fourth-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMutableInteractive%2Fthe-fourth-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63a04e940f49610b5d332919a109103fcdb02ed6
[INFO] checking MutableInteractive/the-fourth-server 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%2FMutableInteractive%2Fthe-fourth-server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MutableInteractive/the-fourth-server
[INFO] finished tweaking git repo https://github.com/MutableInteractive/the-fourth-server
[INFO] tweaked toml for git repo https://github.com/MutableInteractive/the-fourth-server written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MutableInteractive/the-fourth-server 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/MutableInteractive/the-fourth-server 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1c80bf1d4c62b736374b58ea98b0d29322e408d2cfe620f499e22050c0a7f1e7
[INFO] running `Command { std: "docker" "start" "-a" "1c80bf1d4c62b736374b58ea98b0d29322e408d2cfe620f499e22050c0a7f1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c80bf1d4c62b736374b58ea98b0d29322e408d2cfe620f499e22050c0a7f1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c80bf1d4c62b736374b58ea98b0d29322e408d2cfe620f499e22050c0a7f1e7", kill_on_drop: false }`
[INFO] [stdout] 1c80bf1d4c62b736374b58ea98b0d29322e408d2cfe620f499e22050c0a7f1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 811e48515463100ba3aeaf0072d34f06615292a20e5ff75b63cc6953064f8386
[INFO] running `Command { std: "docker" "start" "-a" "811e48515463100ba3aeaf0072d34f06615292a20e5ff75b63cc6953064f8386", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling thiserror v2.0.14
[INFO] [stderr]    Compiling thiserror-impl v2.0.14
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking hybrid-array v0.3.1
[INFO] [stderr]     Checking const-oid v0.10.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.11.0-rc.4
[INFO] [stderr]     Checking crypto-common v0.2.0-rc.3
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking tungstenite v0.27.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking digest v0.11.0-rc.0
[INFO] [stderr]     Checking sha2 v0.11.0-rc.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking the-fourth-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `tls`
[INFO] [stdout]   --> src/client/mod.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |             #[cfg(feature = "tls")]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `tls` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `rustls-tls`
[INFO] [stdout]   --> src/client/mod.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |             #[cfg(feature = "rustls-tls")]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `rustls-tls` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `tls`
[INFO] [stdout]   --> src/client/mod.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |             #[cfg(feature = "tls")]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `tls` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `rustls-tls`
[INFO] [stdout]   --> src/client/mod.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |             #[cfg(feature = "rustls-tls")]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `rustls-tls` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TestStructureType` is never used
[INFO] [stdout]  --> src/testing/test_s_type.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum TestStructureType {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `deserialize` and `serialize` are never used
[INFO] [stdout]   --> src/testing/test_s_type.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl TestStructureType {
[INFO] [stdout]    | ---------------------- associated functions in this implementation
[INFO] [stdout] 20 |     pub fn deserialize(val: u64) -> Box<dyn StructureType> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn serialize(refer: Box<dyn StructureType>) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InitialRequest` is never constructed
[INFO] [stdout]   --> src/testing/test_s_type.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct InitialRequest {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InitialResponse` is never constructed
[INFO] [stdout]   --> src/testing/test_s_type.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct InitialResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PayloadRequest` is never constructed
[INFO] [stdout]   --> src/testing/test_s_type.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct PayloadRequest {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PayloadResponse` is never constructed
[INFO] [stdout]   --> src/testing/test_s_type.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub struct PayloadResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HighPayloadRequest` is never constructed
[INFO] [stdout]    --> src/testing/test_s_type.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct HighPayloadRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HighPayloadResponse` is never constructed
[INFO] [stdout]    --> src/testing/test_s_type.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct HighPayloadResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestError` is never constructed
[INFO] [stdout]    --> src/testing/test_s_type.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct TestError {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestRecv` is never constructed
[INFO] [stdout]   --> src/testing/test_client.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct TestRecv {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_client` is never used
[INFO] [stdout]   --> src/testing/test_client.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn init_client() -> ClientConnection {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/server/tcp_server_new.rs:200:11
[INFO] [stdout]     |
[INFO] [stdout] 200 |     match b.try_into() {
[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 `the-fourth-server` (lib) due to 1 previous error; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/testing/test_client.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct TestRecv {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     id: u64,
[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<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/server/tcp_server_new.rs:200:11
[INFO] [stdout]     |
[INFO] [stdout] 200 |     match b.try_into() {
[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 `the-fourth-server` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "811e48515463100ba3aeaf0072d34f06615292a20e5ff75b63cc6953064f8386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811e48515463100ba3aeaf0072d34f06615292a20e5ff75b63cc6953064f8386", kill_on_drop: false }`
[INFO] [stdout] 811e48515463100ba3aeaf0072d34f06615292a20e5ff75b63cc6953064f8386