[INFO] cloning repository https://github.com/numberoverzero/rust-primer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/numberoverzero/rust-primer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumberoverzero%2Frust-primer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumberoverzero%2Frust-primer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbe1ceeaf23b241ea96ef27280a364b95fbe9e85
[INFO] testing numberoverzero/rust-primer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumberoverzero%2Frust-primer" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/numberoverzero/rust-primer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/numberoverzero/rust-primer
[INFO] finished tweaking git repo https://github.com/numberoverzero/rust-primer
[INFO] tweaked toml for git repo https://github.com/numberoverzero/rust-primer written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/numberoverzero/rust-primer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c16dafab03731a253c891244f59dae2ec7f904b6b8299d51d1c823930942ad29
[INFO] running `Command { std: "docker" "start" "-a" "c16dafab03731a253c891244f59dae2ec7f904b6b8299d51d1c823930942ad29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16dafab03731a253c891244f59dae2ec7f904b6b8299d51d1c823930942ad29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16dafab03731a253c891244f59dae2ec7f904b6b8299d51d1c823930942ad29", kill_on_drop: false }`
[INFO] [stdout] c16dafab03731a253c891244f59dae2ec7f904b6b8299d51d1c823930942ad29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2915ec5a81739c9ec51cdedaeb5455904d7d69850dc8a4934adb170e6bba55a
[INFO] running `Command { std: "docker" "start" "-a" "a2915ec5a81739c9ec51cdedaeb5455904d7d69850dc8a4934adb170e6bba55a", kill_on_drop: false }`
[INFO] [stderr]    Compiling primer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `solver`
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod solver;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `solver`, create file "src/solver.rs" or "src/solver/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `primer` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a2915ec5a81739c9ec51cdedaeb5455904d7d69850dc8a4934adb170e6bba55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2915ec5a81739c9ec51cdedaeb5455904d7d69850dc8a4934adb170e6bba55a", kill_on_drop: false }`
[INFO] [stdout] a2915ec5a81739c9ec51cdedaeb5455904d7d69850dc8a4934adb170e6bba55a