[INFO] updating cached repository AnchoviesHat/irc_client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AnchoviesHat/irc_client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AnchoviesHat/irc_client" "work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/irc_client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/irc_client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AnchoviesHat/irc_client" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnchoviesHat/irc_client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnchoviesHat/irc_client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab347864d374d1750b54de488da02dbfcc1efae1
[INFO] sha for GitHub repo AnchoviesHat/irc_client: ab347864d374d1750b54de488da02dbfcc1efae1
[INFO] validating manifest of AnchoviesHat/irc_client on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AnchoviesHat/irc_client on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AnchoviesHat/irc_client
[INFO] finished frobbing AnchoviesHat/irc_client
[INFO] frobbed toml for AnchoviesHat/irc_client written to work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/irc_client/Cargo.toml
[INFO] started frobbing AnchoviesHat/irc_client
[INFO] finished frobbing AnchoviesHat/irc_client
[INFO] frobbed toml for AnchoviesHat/irc_client written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnchoviesHat/irc_client/Cargo.toml
[INFO] crate AnchoviesHat/irc_client already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/irc_client/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AnchoviesHat/irc_client against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnchoviesHat/irc_client:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5805460d6c6360ce0f23bdd793a364cb8491c8811377c6cd11400c750a80cc0d
[INFO] running `"docker" "start" "-a" "5805460d6c6360ce0f23bdd793a364cb8491c8811377c6cd11400c750a80cc0d"`
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling irc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `lookup_host` in module `net`
[INFO] [stderr]   --> src/client.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let table = net::lookup_host(site_name).ok();
[INFO] [stderr]    |                      ^^^^^^^^^^^ not found in `net`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(lookup_host)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/main.rs:81:29
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     let command = parts[0].trim_left_matches("/");
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `irc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5805460d6c6360ce0f23bdd793a364cb8491c8811377c6cd11400c750a80cc0d"`
[INFO] running `"docker" "rm" "-f" "5805460d6c6360ce0f23bdd793a364cb8491c8811377c6cd11400c750a80cc0d"`
[INFO] [stdout] 5805460d6c6360ce0f23bdd793a364cb8491c8811377c6cd11400c750a80cc0d