[INFO] cloning repository https://github.com/SciurusMagnum/rustcat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SciurusMagnum/rustcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSciurusMagnum%2Frustcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSciurusMagnum%2Frustcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f532fe6565134786cedd0439d66e9c51186ab929
[INFO] testing SciurusMagnum/rustcat against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSciurusMagnum%2Frustcat" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SciurusMagnum/rustcat on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SciurusMagnum/rustcat
[INFO] finished tweaking git repo https://github.com/SciurusMagnum/rustcat
[INFO] tweaked toml for git repo https://github.com/SciurusMagnum/rustcat written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/SciurusMagnum/rustcat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8eca1e3d5b19f20869179402656b697b6dcf873e2e4cab0bca4481202beb3ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e8eca1e3d5b19f20869179402656b697b6dcf873e2e4cab0bca4481202beb3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8eca1e3d5b19f20869179402656b697b6dcf873e2e4cab0bca4481202beb3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8eca1e3d5b19f20869179402656b697b6dcf873e2e4cab0bca4481202beb3ac", kill_on_drop: false }`
[INFO] [stdout] e8eca1e3d5b19f20869179402656b697b6dcf873e2e4cab0bca4481202beb3ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 561aeaa7df49d3e75b6ec21edbfe6d51eb0f017df1774a8873a0b03a5bd9ad3d
[INFO] running `Command { std: "docker" "start" "-a" "561aeaa7df49d3e75b6ec21edbfe6d51eb0f017df1774a8873a0b03a5bd9ad3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling tokio v0.1.1
[INFO] [stderr]    Compiling ctrlc v3.1.0
[INFO] [stderr]    Compiling rustcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `message`
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         message::from = match stdin_reciever.try_recv(){
[INFO] [stdout]    |         ^^^^^^^ use of undeclared crate or module `message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::net;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn parse_config(args: &[String]) -> (Config) {
[INFO] [stdout]    |                                     ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write` found for struct `ConnectFuture` in the current scope
[INFO] [stdout]   --> src/main.rs:63:31
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let _ = client_stream.write(message.as_bytes());
[INFO] [stdout]    |                               ^^^^^ method not found in `ConnectFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> src/main.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{self, BufRead};
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcat`
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "561aeaa7df49d3e75b6ec21edbfe6d51eb0f017df1774a8873a0b03a5bd9ad3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561aeaa7df49d3e75b6ec21edbfe6d51eb0f017df1774a8873a0b03a5bd9ad3d", kill_on_drop: false }`
[INFO] [stdout] 561aeaa7df49d3e75b6ec21edbfe6d51eb0f017df1774a8873a0b03a5bd9ad3d