[INFO] cloning repository https://github.com/ConradOsawe/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/ConradOsawe/Learning-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradOsawe%2FLearning-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradOsawe%2FLearning-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a92c7da4b9eb6865369505b1b7f593d7cc633d3e
[INFO] checking ConradOsawe/Learning-Rust against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConradOsawe%2FLearning-Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ConradOsawe/Learning-Rust
[INFO] finished tweaking git repo https://github.com/ConradOsawe/Learning-Rust
[INFO] tweaked toml for git repo https://github.com/ConradOsawe/Learning-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ConradOsawe/Learning-Rust on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ConradOsawe/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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] [stderr]   Downloaded libc v0.2.162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d262a1698a140d84814d8786e5c152392b9d689468b24124496e0e79383e7eb
[INFO] running `Command { std: "docker" "start" "-a" "1d262a1698a140d84814d8786e5c152392b9d689468b24124496e0e79383e7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d262a1698a140d84814d8786e5c152392b9d689468b24124496e0e79383e7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d262a1698a140d84814d8786e5c152392b9d689468b24124496e0e79383e7eb", kill_on_drop: false }`
[INFO] [stdout] 1d262a1698a140d84814d8786e5c152392b9d689468b24124496e0e79383e7eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43367ce0a1e0b6b912d1df839fdffbfd565b73a82c0833811c7bdc757c5da8d0
[INFO] running `Command { std: "docker" "start" "-a" "43367ce0a1e0b6b912d1df839fdffbfd565b73a82c0833811c7bdc757c5da8d0", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking play_ground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `side_effects`
[INFO] [stdout]   --> src/bin/side_effects.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | // }
[INFO] [stdout]    |     ^ consider adding a `main` function to `src/bin/side_effects.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `play_ground` (bin "side_effects") due to 1 previous error
[INFO] [stdout] warning: variants `Running` and `Waiting` are never constructed
[INFO] [stdout]  --> src/bin/if_let.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum State {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Idle,
[INFO] [stdout] 4 |     Running, //variants not used
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     Waiting, //variants not used
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variants `Running` and `Waiting` are never constructed
[INFO] [stdout]  --> src/bin/if_let.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum State {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Idle,
[INFO] [stdout] 4 |     Running, //variants not used
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     Waiting, //variants not used
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43367ce0a1e0b6b912d1df839fdffbfd565b73a82c0833811c7bdc757c5da8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43367ce0a1e0b6b912d1df839fdffbfd565b73a82c0833811c7bdc757c5da8d0", kill_on_drop: false }`
[INFO] [stdout] 43367ce0a1e0b6b912d1df839fdffbfd565b73a82c0833811c7bdc757c5da8d0
