[INFO] updating cached repository https://github.com/connorjcantrell/multithreaded-web-server [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8b78a54ecd6e1e9d39a74ae8633ef16024ef1184 [INFO] testing connorjcantrell/multithreaded-web-server against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorjcantrell%2Fmultithreaded-web-server" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/connorjcantrell/multithreaded-web-server on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/connorjcantrell/multithreaded-web-server [INFO] finished tweaking git repo https://github.com/connorjcantrell/multithreaded-web-server [INFO] tweaked toml for git repo https://github.com/connorjcantrell/multithreaded-web-server written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/connorjcantrell/multithreaded-web-server already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.44.0" "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] 93225c48928c4005fa3e38df47f15bb75b5e557beb2cd194cbe0be56af6632c0 [INFO] running `"docker" "start" "-a" "93225c48928c4005fa3e38df47f15bb75b5e557beb2cd194cbe0be56af6632c0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.31s [INFO] running `"docker" "inspect" "93225c48928c4005fa3e38df47f15bb75b5e557beb2cd194cbe0be56af6632c0"` [INFO] running `"docker" "rm" "-f" "93225c48928c4005fa3e38df47f15bb75b5e557beb2cd194cbe0be56af6632c0"` [INFO] [stdout] 93225c48928c4005fa3e38df47f15bb75b5e557beb2cd194cbe0be56af6632c0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 34fbb4a49dfc4fd91c8d34e32b85db43a9fd610a87fa49551f36ab6a219d2892 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "34fbb4a49dfc4fd91c8d34e32b85db43a9fd610a87fa49551f36ab6a219d2892"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling reqwest v0.9.24 [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0599]: no method named `join` found for unit type `()` in the current scope [INFO] [stderr] --> tests/integration_test.rs:32:27 [INFO] [stderr] | [INFO] [stderr] 32 | counter += handle.join().unwrap(); [INFO] [stderr] | ^^^^ method not found in `()` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `hello`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "34fbb4a49dfc4fd91c8d34e32b85db43a9fd610a87fa49551f36ab6a219d2892"` [INFO] running `"docker" "rm" "-f" "34fbb4a49dfc4fd91c8d34e32b85db43a9fd610a87fa49551f36ab6a219d2892"` [INFO] [stdout] 34fbb4a49dfc4fd91c8d34e32b85db43a9fd610a87fa49551f36ab6a219d2892