[INFO] cloning repository https://github.com/yalab/oyster-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yalab/oyster-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyalab%2Foyster-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyalab%2Foyster-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69e381f42a6d00c64d14ed816bee5bcb80829ed8
[INFO] checking yalab/oyster-backend against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyalab%2Foyster-backend" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yalab/oyster-backend on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yalab/oyster-backend
[INFO] finished tweaking git repo https://github.com/yalab/oyster-backend
[INFO] tweaked toml for git repo https://github.com/yalab/oyster-backend written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/yalab/oyster-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83a85aaa30d548206ed45ea32bbf4c5b2e31581c169d85252f1e55132fa26fbb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "83a85aaa30d548206ed45ea32bbf4c5b2e31581c169d85252f1e55132fa26fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a85aaa30d548206ed45ea32bbf4c5b2e31581c169d85252f1e55132fa26fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a85aaa30d548206ed45ea32bbf4c5b2e31581c169d85252f1e55132fa26fbb", kill_on_drop: false }`
[INFO] [stdout] 83a85aaa30d548206ed45ea32bbf4c5b2e31581c169d85252f1e55132fa26fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70940c944cc1c8bb681c35c456a83150a80a9970f3b7f25639a00832f048ccfe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "70940c944cc1c8bb681c35c456a83150a80a9970f3b7f25639a00832f048ccfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]     Checking oyster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `oyster::models::*`
[INFO] [stdout]  --> tests/models.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use oyster::models::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `Result<U, diesel::result::Error>`
[INFO] [stdout]  --> tests/models.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let site = sites.find(1).first(&connection);
[INFO] [stdout]   |         ----                 ^^^^^ cannot infer type for type parameter `U` declared on the associated function `first`
[INFO] [stdout]   |         |
[INFO] [stdout]   |         consider giving `site` the explicit type `Result<U, diesel::result::Error>`, where the type parameter `U` is specified
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oyster`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "70940c944cc1c8bb681c35c456a83150a80a9970f3b7f25639a00832f048ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70940c944cc1c8bb681c35c456a83150a80a9970f3b7f25639a00832f048ccfe", kill_on_drop: false }`
[INFO] [stdout] 70940c944cc1c8bb681c35c456a83150a80a9970f3b7f25639a00832f048ccfe