[INFO] updating cached repository https://github.com/tyler569/irc.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] aabfe3417d448bcf9c5bb29e7fcff3c1ff4cb8b7
[INFO] testing tyler569/irc.rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler569%2Firc.rs" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyler569/irc.rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tyler569/irc.rs
[INFO] finished tweaking git repo https://github.com/tyler569/irc.rs
[INFO] tweaked toml for git repo https://github.com/tyler569/irc.rs written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tyler569/irc.rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 72266bb3fccd1b8ab66895fd35afeb905f71c04c29c265a55d5b7815ab44ce45
[INFO] running `"docker" "start" "-a" "72266bb3fccd1b8ab66895fd35afeb905f71c04c29c265a55d5b7815ab44ce45"`
[INFO] [stderr]    Compiling irc_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(io)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `broadcast` found for type `std::net::TcpStream` in the current scope
[INFO] [stderr]   --> src/main.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut wbuf = con.broadcast(stdout());
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/main.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let l = linestr.trim_right_matches('\r');
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/parser.rs:27:43
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 ret.prefix = Some(splp[0].trim_left_matches(':'));
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufRead, BufReader, Write, stdout};
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `irc_rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "72266bb3fccd1b8ab66895fd35afeb905f71c04c29c265a55d5b7815ab44ce45"`
[INFO] running `"docker" "rm" "-f" "72266bb3fccd1b8ab66895fd35afeb905f71c04c29c265a55d5b7815ab44ce45"`
[INFO] [stdout] 72266bb3fccd1b8ab66895fd35afeb905f71c04c29c265a55d5b7815ab44ce45