[INFO] updating cached repository https://github.com/elbow-jason/im-a-learnin-me-a-rust [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] 2c3c0761520f3ff7c990424c06abffcf03f68848 [INFO] testing elbow-jason/im-a-learnin-me-a-rust against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbow-jason%2Fim-a-learnin-me-a-rust" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elbow-jason/im-a-learnin-me-a-rust 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/elbow-jason/im-a-learnin-me-a-rust [INFO] finished tweaking git repo https://github.com/elbow-jason/im-a-learnin-me-a-rust [INFO] tweaked toml for git repo https://github.com/elbow-jason/im-a-learnin-me-a-rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/elbow-jason/im-a-learnin-me-a-rust 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3ecc0fcea14e49d2d0e107c2073cb6bc91cb2242fa9c941195b00ffd69186eba [INFO] running `"docker" "start" "-a" "3ecc0fcea14e49d2d0e107c2073cb6bc91cb2242fa9c941195b00ffd69186eba"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling im-a-learning-me-a-rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{` [INFO] [stderr] --> src/main.rs:25:19 [INFO] [stderr] | [INFO] [stderr] 25 | spawn( proc() { the_client_sends_a_delayed_message("Did it work?"); }); [INFO] [stderr] | -^ expected one of `)`, `,`, `.`, `?`, or an operator [INFO] [stderr] | | [INFO] [stderr] | help: missing `,` [INFO] [stderr] [INFO] [stderr] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{` [INFO] [stderr] --> src/main.rs:30:38 [INFO] [stderr] | [INFO] [stderr] 30 | Ok(stream) => { spawn(proc() { echo_the_clients_message(stream); }); } [INFO] [stderr] | -^ expected one of `)`, `,`, `.`, `?`, or an operator [INFO] [stderr] | | [INFO] [stderr] | help: missing `,` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `std::io::TcpListener`, `std::io::TcpStream` [INFO] [stderr] --> src/main.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ no `TcpStream` in `io` [INFO] [stderr] | | [INFO] [stderr] | no `TcpListener` in `io` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `std::io::Acceptor`, `std::io::Listener` [INFO] [stderr] --> src/main.rs:12:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::{Acceptor, Listener}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^ no `Listener` in `io` [INFO] [stderr] | | [INFO] [stderr] | no `Acceptor` in `io` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::time::duration` [INFO] [stderr] --> src/main.rs:13:18 [INFO] [stderr] | [INFO] [stderr] 13 | use std::time::duration::Duration; [INFO] [stderr] | ^^^^^^^^ could not find `duration` in `time` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::io::timer` [INFO] [stderr] --> src/main.rs:14:16 [INFO] [stderr] | [INFO] [stderr] 14 | use std::io::timer::sleep; [INFO] [stderr] | ^^^^^ could not find `timer` in `io` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `spawn` in this scope [INFO] [stderr] --> src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | spawn( proc() { the_client_sends_a_delayed_message("Did it work?"); }); [INFO] [stderr] | ^^^^^ not found in this scope [INFO] [stderr] | [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 11 | use std::thread::spawn; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `proc` in this scope [INFO] [stderr] --> src/main.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | spawn( proc() { the_client_sends_a_delayed_message("Did it work?"); }); [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `spawn` in this scope [INFO] [stderr] --> src/main.rs:30:25 [INFO] [stderr] | [INFO] [stderr] 30 | Ok(stream) => { spawn(proc() { echo_the_clients_message(stream); }); } [INFO] [stderr] | ^^^^^ not found in this scope [INFO] [stderr] | [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 11 | use std::thread::spawn; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `proc` in this scope [INFO] [stderr] --> src/main.rs:30:31 [INFO] [stderr] | [INFO] [stderr] 30 | Ok(stream) => { spawn(proc() { echo_the_clients_message(stream); }); } [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error: aborting due to 10 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0432. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `im-a-learning-me-a-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3ecc0fcea14e49d2d0e107c2073cb6bc91cb2242fa9c941195b00ffd69186eba"` [INFO] running `"docker" "rm" "-f" "3ecc0fcea14e49d2d0e107c2073cb6bc91cb2242fa9c941195b00ffd69186eba"` [INFO] [stdout] 3ecc0fcea14e49d2d0e107c2073cb6bc91cb2242fa9c941195b00ffd69186eba