[INFO] cloning repository https://github.com/Xyven1/letslearnrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xyven1/letslearnrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXyven1%2Fletslearnrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXyven1%2Fletslearnrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14973561e98bfafe699d3eb48310f6584d407ae5
[INFO] checking Xyven1/letslearnrust against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXyven1%2Fletslearnrust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Xyven1/letslearnrust
[INFO] finished tweaking git repo https://github.com/Xyven1/letslearnrust
[INFO] tweaked toml for git repo https://github.com/Xyven1/letslearnrust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Xyven1/letslearnrust on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Xyven1/letslearnrust 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.47
[INFO] [stderr]   Downloaded thiserror v1.0.47
[INFO] [stderr]   Downloaded base64 v0.21.3
[INFO] [stderr]   Downloaded serde_json v1.0.105
[INFO] [stderr]   Downloaded memchr v2.6.1
[INFO] [stderr]   Downloaded redis v0.23.2
[INFO] [stderr]   Downloaded object v0.32.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b308ec4a530b2686085da6768ea7dcb2d90be574e43b47337b3bfbba67efa58
[INFO] running `Command { std: "docker" "start" "-a" "2b308ec4a530b2686085da6768ea7dcb2d90be574e43b47337b3bfbba67efa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b308ec4a530b2686085da6768ea7dcb2d90be574e43b47337b3bfbba67efa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b308ec4a530b2686085da6768ea7dcb2d90be574e43b47337b3bfbba67efa58", kill_on_drop: false }`
[INFO] [stdout] 2b308ec4a530b2686085da6768ea7dcb2d90be574e43b47337b3bfbba67efa58
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92f127f0f560c0dfcbba500ee0af812c4a5bfd330ea33b6e07cbc980e1db8f8
[INFO] running `Command { std: "docker" "start" "-a" "f92f127f0f560c0dfcbba500ee0af812c4a5bfd330ea33b6e07cbc980e1db8f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking memchr v2.6.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking typenum v1.16.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking base64 v0.21.3
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking http-body v0.4.5
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
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[INFO] [stderr]     Checking tokio-stream v0.1.14
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[INFO] [stderr]     Checking redis v0.23.2
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking letslearnrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `add_topic` and `remove_topic` are never used
[INFO] [stdout]   --> src/client.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Client {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn add_topic(&mut self, topic: String) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn remove_topic(&mut self, topic: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `client_sub_key` is never used
[INFO] [stdout]   --> src/db.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub async fn client_sub_key(client: Client, channel: String) -> RedisResult<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegisterRequest` is never constructed
[INFO] [stdout]  --> src/handler.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RegisterRequest {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegisterResponse` is never constructed
[INFO] [stdout]   --> src/handler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RegisterResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_topic` and `remove_topic` are never used
[INFO] [stdout]   --> src/client.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Client {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn add_topic(&mut self, topic: String) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn remove_topic(&mut self, topic: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `client_sub_key` is never used
[INFO] [stdout]   --> src/db.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub async fn client_sub_key(client: Client, channel: String) -> RedisResult<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegisterRequest` is never constructed
[INFO] [stdout]  --> src/handler.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RegisterRequest {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegisterResponse` is never constructed
[INFO] [stdout]   --> src/handler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RegisterResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.23.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "f92f127f0f560c0dfcbba500ee0af812c4a5bfd330ea33b6e07cbc980e1db8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92f127f0f560c0dfcbba500ee0af812c4a5bfd330ea33b6e07cbc980e1db8f8", kill_on_drop: false }`
[INFO] [stdout] f92f127f0f560c0dfcbba500ee0af812c4a5bfd330ea33b6e07cbc980e1db8f8