[INFO] cloning repository https://github.com/arshubham/RustWebServerExample [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arshubham/RustWebServerExample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farshubham%2FRustWebServerExample"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farshubham%2FRustWebServerExample'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7533ec0d6637a705f2e4f9928bf561cad1a06b7a [INFO] testing arshubham/RustWebServerExample against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farshubham%2FRustWebServerExample" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/arshubham/RustWebServerExample on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/arshubham/RustWebServerExample [INFO] finished tweaking git repo https://github.com/arshubham/RustWebServerExample [INFO] tweaked toml for git repo https://github.com/arshubham/RustWebServerExample written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/arshubham/RustWebServerExample already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 24bdf12f9cca20b610c5bd4f4285a5c59cdf9a1329a5424e2bbb2d1acb92fcbd [INFO] running `"docker" "start" "-a" "24bdf12f9cca20b610c5bd4f4285a5c59cdf9a1329a5424e2bbb2d1acb92fcbd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: struct is not supported in `trait`s or `impl`s [INFO] [stderr] --> src/lib.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | struct Worker { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider moving the struct out to a nearby module scope [INFO] [stderr] [INFO] [stderr] error: implementation is not supported in `trait`s or `impl`s [INFO] [stderr] --> src/lib.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | impl Worker { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider moving the implementation out to a nearby module scope [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Worker` [INFO] [stderr] --> src/lib.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | workers.push(Worker::new(id)); [INFO] [stderr] | ^^^^^^ use of undeclared type or module `Worker` [INFO] [stderr] [INFO] [stderr] error[E0560]: struct `ThreadPool` has no field named `workers` [INFO] [stderr] --> src/lib.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | workers [INFO] [stderr] | ^^^^^^^ `ThreadPool` does not have this field [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0433, E0560. [INFO] [stderr] For more information about an error, try `rustc --explain E0433`. [INFO] [stderr] error: could not compile `hello`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "24bdf12f9cca20b610c5bd4f4285a5c59cdf9a1329a5424e2bbb2d1acb92fcbd"` [INFO] running `"docker" "rm" "-f" "24bdf12f9cca20b610c5bd4f4285a5c59cdf9a1329a5424e2bbb2d1acb92fcbd"` [INFO] [stdout] 24bdf12f9cca20b610c5bd4f4285a5c59cdf9a1329a5424e2bbb2d1acb92fcbd