[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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/thismat/RustyBot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/thismat/RustyBot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thismat/RustyBot" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/thismat/RustyBot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/thismat/RustyBot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf9dffc4aecfade287155a672fe514f6b06cce56
[INFO] sha for GitHub repo thismat/RustyBot: bf9dffc4aecfade287155a672fe514f6b06cce56
[INFO] validating manifest of thismat/RustyBot on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thismat/RustyBot on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking thismat/RustyBot against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a15242556511058fd5a51e748bfa7fae12c49c4f99d851782bffbe196bda3ca
[INFO] running `"docker" "start" "-a" "3a15242556511058fd5a51e748bfa7fae12c49c4f99d851782bffbe196bda3ca"`
[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/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: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[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: Could not compile `rusty_bot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3a15242556511058fd5a51e748bfa7fae12c49c4f99d851782bffbe196bda3ca"`
[INFO] running `"docker" "rm" "-f" "3a15242556511058fd5a51e748bfa7fae12c49c4f99d851782bffbe196bda3ca"`
[INFO] [stdout] 3a15242556511058fd5a51e748bfa7fae12c49c4f99d851782bffbe196bda3ca