[INFO] updating cached repository thismat/RustyBot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thismat/RustyBot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thismat/RustyBot" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/thismat/RustyBot"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/thismat/RustyBot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thismat/RustyBot" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/thismat/RustyBot"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/thismat/RustyBot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 520ee74ae0f6a9a9c6890c98a3dcce06bdde2387
[INFO] sha for GitHub repo thismat/RustyBot: 520ee74ae0f6a9a9c6890c98a3dcce06bdde2387
[INFO] validating manifest of thismat/RustyBot on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thismat/RustyBot on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thismat/RustyBot
[INFO] finished frobbing thismat/RustyBot
[INFO] frobbed toml for thismat/RustyBot written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/thismat/RustyBot/Cargo.toml
[INFO] started frobbing thismat/RustyBot
[INFO] finished frobbing thismat/RustyBot
[INFO] frobbed toml for thismat/RustyBot written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/thismat/RustyBot/Cargo.toml
[INFO] crate thismat/RustyBot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/thismat/RustyBot/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking thismat/RustyBot against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-5/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/thismat/RustyBot:/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=forbid" "-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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4d7eaf3f8b6bfc749a589d8bb6c4288852ccf14acec5d7508bd1ce7948f9509c
[INFO] running `"docker" "start" "-a" "4d7eaf3f8b6bfc749a589d8bb6c4288852ccf14acec5d7508bd1ce7948f9509c"`
[INFO] [stderr]     Checking rusty_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/irc/irc.rs:95:58
[INFO] [stderr]    |
[INFO] [stderr] 95 |                         let pong = format!("PONG :{}", c.at(1).unwrap_or(""));
[INFO] [stderr]    |                                                          ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/irc/message.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 |                     from_nick: c.at(4).unwrap().to_string(),
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/irc/message.rs:16:32
[INFO] [stderr]    |
[INFO] [stderr] 16 |                     channel: c.at(5).unwrap().to_string(),
[INFO] [stderr]    |                                ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/irc/message.rs:17:32
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     message: c.at(6).unwrap().to_string(),
[INFO] [stderr]    |                                ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rusty_bot`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/irc/irc.rs:95:58
[INFO] [stderr]    |
[INFO] [stderr] 95 |                         let pong = format!("PONG :{}", c.at(1).unwrap_or(""));
[INFO] [stderr]    |                                                          ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/irc/message.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 |                     from_nick: c.at(4).unwrap().to_string(),
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/irc/message.rs:16:32
[INFO] [stderr]    |
[INFO] [stderr] 16 |                     channel: c.at(5).unwrap().to_string(),
[INFO] [stderr]    |                                ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/irc/message.rs:17:32
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     message: c.at(6).unwrap().to_string(),
[INFO] [stderr]    |                                ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rusty_bot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4d7eaf3f8b6bfc749a589d8bb6c4288852ccf14acec5d7508bd1ce7948f9509c"`
[INFO] running `"docker" "rm" "-f" "4d7eaf3f8b6bfc749a589d8bb6c4288852ccf14acec5d7508bd1ce7948f9509c"`
[INFO] [stdout] 4d7eaf3f8b6bfc749a589d8bb6c4288852ccf14acec5d7508bd1ce7948f9509c