[INFO] cloning repository https://github.com/elbow-jason/im-a-learnin-me-a-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elbow-jason/im-a-learnin-me-a-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbow-jason%2Fim-a-learnin-me-a-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbow-jason%2Fim-a-learnin-me-a-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c3c0761520f3ff7c990424c06abffcf03f68848
[INFO] testing elbow-jason/im-a-learnin-me-a-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbow-jason%2Fim-a-learnin-me-a-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elbow-jason/im-a-learnin-me-a-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-8/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cd77675d1f5b6496df09d6ecba8601ac2a8d812e99293637fc6f155743e86b5
[INFO] running `Command { std: "docker" "start" "-a" "5cd77675d1f5b6496df09d6ecba8601ac2a8d812e99293637fc6f155743e86b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd77675d1f5b6496df09d6ecba8601ac2a8d812e99293637fc6f155743e86b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd77675d1f5b6496df09d6ecba8601ac2a8d812e99293637fc6f155743e86b5", kill_on_drop: false }`
[INFO] [stdout] 5cd77675d1f5b6496df09d6ecba8601ac2a8d812e99293637fc6f155743e86b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500f1693cc099fdc8e0fe481e75ac177e28f33ab4c175af6e681986222003cf7
[INFO] running `Command { std: "docker" "start" "-a" "500f1693cc099fdc8e0fe481e75ac177e28f33ab4c175af6e681986222003cf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling im-a-learning-me-a-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/main.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     spawn( proc() { the_client_sends_a_delayed_message("Did it work?"); });
[INFO] [stdout]    |                  -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/main.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Ok(stream) => { spawn(proc() { echo_the_clients_message(stream); }); }
[INFO] [stdout]    |                                     -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::TcpListener`, `std::io::TcpStream`
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |   use std::io::{TcpListener, TcpStream};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^^^^^^ no `TcpStream` in `io`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 no `TcpListener` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::Acceptor`, `std::io::Listener`
[INFO] [stdout]   --> src/main.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |   use std::io::{Acceptor, Listener};
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^^^^^ no `Listener` in `io`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 no `Acceptor` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::time::duration`
[INFO] [stdout]   --> src/main.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |   use std::time::duration::Duration;
[INFO] [stdout]    |                  ^^^^^^^^ could not find `duration` in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::timer`
[INFO] [stdout]   --> src/main.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |   use std::io::timer::sleep;
[INFO] [stdout]    |                ^^^^^ could not find `timer` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     spawn( proc() { the_client_sends_a_delayed_message("Did it work?"); });
[INFO] [stdout]    |     ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 11 |   use std::thread::spawn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `proc` in this scope
[INFO] [stdout]   --> src/main.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     spawn( proc() { the_client_sends_a_delayed_message("Did it work?"); });
[INFO] [stdout]    |            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]   --> src/main.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Ok(stream) => { spawn(proc() { echo_the_clients_message(stream); }); }
[INFO] [stdout]    |                         ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 11 |   use std::thread::spawn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `proc` in this scope
[INFO] [stdout]   --> src/main.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Ok(stream) => { spawn(proc() { echo_the_clients_message(stream); }); }
[INFO] [stdout]    |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `im-a-learning-me-a-rust` due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "500f1693cc099fdc8e0fe481e75ac177e28f33ab4c175af6e681986222003cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500f1693cc099fdc8e0fe481e75ac177e28f33ab4c175af6e681986222003cf7", kill_on_drop: false }`
[INFO] [stdout] 500f1693cc099fdc8e0fe481e75ac177e28f33ab4c175af6e681986222003cf7