[INFO] crate chord3 0.3.0 is already in cache
[INFO] testing chord3-0.3.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate chord3 0.3.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate chord3 0.3.0 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 crates.io crate chord3 0.3.0
[INFO] finished tweaking crates.io crate chord3 0.3.0
[INFO] tweaked toml for crates.io crate chord3 0.3.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] ad93aba070ee65896852feb0e4331c67b66428daafeeeda5c31732630ec07f77
[INFO] running `"docker" "start" "-a" "ad93aba070ee65896852feb0e4331c67b66428daafeeeda5c31732630ec07f77"`
[INFO] [stderr]    Compiling pdf v0.5.2
[INFO] [stderr]    Compiling chord3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:161:54
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let arg = caps.name("arg").unwrap_or("").to_string();
[INFO] [stderr]     |                                                      ^^ expected struct `regex::Match`, found reference
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `regex::Match<'_>`
[INFO] [stderr]                found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_string` found for type `regex::Match<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:161:58
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let arg = caps.name("arg").unwrap_or("").to_string();
[INFO] [stderr]     |                                                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `to_string` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `regex::Match<'_> : std::string::ToString`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_lowercase` found for type `regex::Match<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:162:51
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 match &*caps.name("cmd").unwrap().to_lowercase() {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:177:44
[INFO] [stderr]     |
[INFO] [stderr] 177 |                                 match caps.at(n as usize+2) {
[INFO] [stderr]     |                                            ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:184:44
[INFO] [stderr]     |
[INFO] [stderr] 184 |                                 name: caps.at(1).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/main.rs:190:46
[INFO] [stderr]     |
[INFO] [stderr] 190 |                             let whole = caps.at(0).unwrap();
[INFO] [stderr]     |                                              ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:242:37
[INFO] [stderr]     |
[INFO] [stderr] 242 |                             s: caps.at(0).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/main.rs:250:33
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     s.push(caps.at(1).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/main.rs:251:47
[INFO] [stderr]     |
[INFO] [stderr] 251 |                     if let Some(chord) = caps.at(2) {
[INFO] [stderr]     |                                               ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `chord3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ad93aba070ee65896852feb0e4331c67b66428daafeeeda5c31732630ec07f77"`
[INFO] running `"docker" "rm" "-f" "ad93aba070ee65896852feb0e4331c67b66428daafeeeda5c31732630ec07f77"`
[INFO] [stdout] ad93aba070ee65896852feb0e4331c67b66428daafeeeda5c31732630ec07f77