[INFO] cloning repository https://github.com/siyasjr/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/siyasjr/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiyasjr%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiyasjr%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fdda05b7cf0a4e033c938f85a5b71dfba0ce42c
[INFO] checking siyasjr/learn-rust against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiyasjr%2Flearn-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/siyasjr/learn-rust
[INFO] finished tweaking git repo https://github.com/siyasjr/learn-rust
[INFO] tweaked toml for git repo https://github.com/siyasjr/learn-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/siyasjr/learn-rust on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/siyasjr/learn-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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e47118821dda9d6985cac8be498dd820f83c49bb9e3224ad58409b01e457726
[INFO] running `Command { std: "docker" "start" "-a" "8e47118821dda9d6985cac8be498dd820f83c49bb9e3224ad58409b01e457726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e47118821dda9d6985cac8be498dd820f83c49bb9e3224ad58409b01e457726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e47118821dda9d6985cac8be498dd820f83c49bb9e3224ad58409b01e457726", kill_on_drop: false }`
[INFO] [stdout] 8e47118821dda9d6985cac8be498dd820f83c49bb9e3224ad58409b01e457726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc3f78c64bbafa27306057de4ff4feed2ec741b88ac7928523b617c1e9901255
[INFO] running `Command { std: "docker" "start" "-a" "bc3f78c64bbafa27306057de4ff4feed2ec741b88ac7928523b617c1e9901255", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `learn_rust`
[INFO] [stdout]  --> src/main.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |
[INFO] [stdout]   | ^ consider adding a `main` function to `src/main.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 `learn-rust` (bin "learn-rust") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bc3f78c64bbafa27306057de4ff4feed2ec741b88ac7928523b617c1e9901255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3f78c64bbafa27306057de4ff4feed2ec741b88ac7928523b617c1e9901255", kill_on_drop: false }`
[INFO] [stdout] bc3f78c64bbafa27306057de4ff4feed2ec741b88ac7928523b617c1e9901255
