[INFO] crate chord3 0.3.0 is already in cache [INFO] extracting crate chord3 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/chord3/0.3.0 [INFO] extracting crate chord3 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/chord3/0.3.0 [INFO] validating manifest of chord3-0.3.0 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 chord3-0.3.0 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 chord3-0.3.0 [INFO] finished frobbing chord3-0.3.0 [INFO] frobbed toml for chord3-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/chord3/0.3.0/Cargo.toml [INFO] started frobbing chord3-0.3.0 [INFO] finished frobbing chord3-0.3.0 [INFO] frobbed toml for chord3-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/chord3/0.3.0/Cargo.toml [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 chord3-0.3.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/chord3/0.3.0:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] aed26f4a9403ae595030177f467ecc34694a1f2019160ea2c9c9b27189d7e1ac [INFO] running `"docker" "start" "-a" "aed26f4a9403ae595030177f467ecc34694a1f2019160ea2c9c9b27189d7e1ac"` [INFO] [stderr] Compiling pdf v0.5.2 [INFO] [stderr] Compiling chord3 v0.3.0 (/opt/crater/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" "aed26f4a9403ae595030177f467ecc34694a1f2019160ea2c9c9b27189d7e1ac"` [INFO] running `"docker" "rm" "-f" "aed26f4a9403ae595030177f467ecc34694a1f2019160ea2c9c9b27189d7e1ac"` [INFO] [stdout] aed26f4a9403ae595030177f467ecc34694a1f2019160ea2c9c9b27189d7e1ac