[INFO] cloning repository https://github.com/arhamj/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arhamj/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farhamj%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farhamj%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b824633b9f47595ee3164697b299d775b7731fc
[INFO] checking arhamj/learning-rust against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farhamj%2Flearning-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arhamj/learning-rust
[INFO] finished tweaking git repo https://github.com/arhamj/learning-rust
[INFO] tweaked toml for git repo https://github.com/arhamj/learning-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arhamj/learning-rust on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arhamj/learning-rust 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bc52af5d93021766c8cc68c43da5f63e6b6212007d18fb26d0f92032f6076ba
[INFO] running `Command { std: "docker" "start" "-a" "4bc52af5d93021766c8cc68c43da5f63e6b6212007d18fb26d0f92032f6076ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc52af5d93021766c8cc68c43da5f63e6b6212007d18fb26d0f92032f6076ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc52af5d93021766c8cc68c43da5f63e6b6212007d18fb26d0f92032f6076ba", kill_on_drop: false }`
[INFO] [stdout] 4bc52af5d93021766c8cc68c43da5f63e6b6212007d18fb26d0f92032f6076ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e057b7d34d3276ae34b09f3c9921ff6b41a0e7e64df8ef276b4647f3a5ad00
[INFO] running `Command { std: "docker" "start" "-a" "57e057b7d34d3276ae34b09f3c9921ff6b41a0e7e64df8ef276b4647f3a5ad00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]     Checking once_cell v1.17.2
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking ahash v0.8.3
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking lru v0.10.0
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking rust_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `start_listener` is never used
[INFO] [stdout]  --> src/socket/listener.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn start_listener() -> Result<(), Box<dyn std::error::Error>> {
[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 `start_sender` is never used
[INFO] [stdout]  --> src/socket/sender.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn start_sender() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_listener` is never used
[INFO] [stdout]  --> src/socket/listener.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn start_listener() -> Result<(), Box<dyn std::error::Error>> {
[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 `start_sender` is never used
[INFO] [stdout]  --> src/socket/sender.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn start_sender() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "57e057b7d34d3276ae34b09f3c9921ff6b41a0e7e64df8ef276b4647f3a5ad00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e057b7d34d3276ae34b09f3c9921ff6b41a0e7e64df8ef276b4647f3a5ad00", kill_on_drop: false }`
[INFO] [stdout] 57e057b7d34d3276ae34b09f3c9921ff6b41a0e7e64df8ef276b4647f3a5ad00
