[INFO] updating cached repository https://github.com/timonv/tcpsuck
[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] 30b88e8072fd5cf154ccd14aa05498da1d3d870b
[INFO] testing timonv/tcpsuck against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimonv%2Ftcpsuck" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timonv/tcpsuck 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/timonv/tcpsuck
[INFO] finished tweaking git repo https://github.com/timonv/tcpsuck
[INFO] tweaked toml for git repo https://github.com/timonv/tcpsuck written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/timonv/tcpsuck 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e8c0b6ccd52226117e0e0b04ec4bb43ba7c89551016f77f0955780e7f71184f6
[INFO] running `"docker" "start" "-a" "e8c0b6ccd52226117e0e0b04ec4bb43ba7c89551016f77f0955780e7f71184f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tcpsuck v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected type, found `||`
[INFO] [stderr]    --> src/broadcaster.rs:151:29
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn timeout(max: int, f: || -> bool) -> bool {
[INFO] [stderr]     |                             ^^ expected type
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::io::TcpListener`, `std::io::TcpStream`, `std::io::Acceptor`, `std::io::Listener`, `std::io::BufferedStream`
[INFO] [stderr]  --> src/server.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{TcpListener, TcpStream, Acceptor, Listener, BufferedStream};
[INFO] [stderr]   |               ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^ no `BufferedStream` in `io`
[INFO] [stderr]   |               |            |          |         |
[INFO] [stderr]   |               |            |          |         no `Listener` in `io`
[INFO] [stderr]   |               |            |          no `Acceptor` in `io`
[INFO] [stderr]   |               |            no `TcpStream` in `io`
[INFO] [stderr]   |               no `TcpListener` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedWriter`
[INFO] [stderr]  --> src/broadcaster.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufferedWriter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedWriter` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::sync::RWLock`
[INFO] [stderr]  --> src/broadcaster.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{RWLock, Arc};
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 no `RWLock` in `sync`
[INFO] [stderr]   |                 help: a similar name exists in the module (notice the capitalization): `RwLock`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]   --> src/server.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let (tx, rx) = channel::<(String, String)>();
[INFO] [stderr]    |                        ^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this function
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::sync::mpsc::channel;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stderr]   --> src/server.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             spawn(move || {
[INFO] [stderr]    |             ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this function
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::thread::spawn;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stderr]   --> src/server.rs:36:77
[INFO] [stderr]    |
[INFO] [stderr] 36 |       fn handle_client(server: Broadcaster<TcpStream>, stream: TcpStream, tx: Sender<(String, String)>) {
[INFO] [stderr]    |                                                                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn handle_client(server: Broadcaster<TcpStream>, stream: TcpStream, tx: Send<(String, String)>) {
[INFO] [stderr]    |                                                                             ^^^^
[INFO] [stderr] help: consider importing this struct
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::sync::mpsc::Sender;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stderr]  --> src/broadcaster.rs:5:37
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Broadcaster<T: 'static + Reader + Writer> {
[INFO] [stderr]   |                                     ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Writer` in this scope
[INFO] [stderr]  --> src/broadcaster.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Broadcaster<T: 'static + Reader + Writer> {
[INFO] [stderr]   |                                              ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stderr]   --> src/broadcaster.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<T: Reader + Writer + Clone> Broadcaster<T> {
[INFO] [stderr]    |         ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Writer` in this scope
[INFO] [stderr]   --> src/broadcaster.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<T: Reader + Writer + Clone> Broadcaster<T> {
[INFO] [stderr]    |                  ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Receiver` in this scope
[INFO] [stderr]   --> src/broadcaster.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn listen_and_broadcast(&self, rec: Receiver<(String, String)>) {
[INFO] [stderr]    |                                             ^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::ops::Receiver;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::sync::mpsc::Receiver;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stderr]   --> src/broadcaster.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         spawn(move || {
[INFO] [stderr]    |         ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this function
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::thread::spawn;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stderr]   --> src/broadcaster.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 | impl<T: Reader + Writer>Clone for Broadcaster<T> {
[INFO] [stderr]    |         ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Writer` in this scope
[INFO] [stderr]   --> src/broadcaster.rs:59:18
[INFO] [stderr]    |
[INFO] [stderr] 59 | impl<T: Reader + Writer>Clone for Broadcaster<T> {
[INFO] [stderr]    |                  ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `broadcaster::Broadcaster`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use broadcaster::Broadcaster;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 15 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0412, E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: could not compile `tcpsuck`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e8c0b6ccd52226117e0e0b04ec4bb43ba7c89551016f77f0955780e7f71184f6"`
[INFO] running `"docker" "rm" "-f" "e8c0b6ccd52226117e0e0b04ec4bb43ba7c89551016f77f0955780e7f71184f6"`
[INFO] [stdout] e8c0b6ccd52226117e0e0b04ec4bb43ba7c89551016f77f0955780e7f71184f6