[INFO] updating cached repository https://github.com/WillemMali/rust-iup
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a99714b7b3d9665a7b2b394db2593a977072e71
[INFO] testing WillemMali/rust-iup against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillemMali%2Frust-iup" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WillemMali/rust-iup on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/WillemMali/rust-iup
[INFO] finished tweaking git repo https://github.com/WillemMali/rust-iup
[INFO] tweaked toml for git repo https://github.com/WillemMali/rust-iup written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/WillemMali/rust-iup already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/dcampbell24/iup-rust`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 57aec927f89c32afafc5b2ddb92eed98b68d8c336753f963d2e969e739c57d68
[INFO] running `"docker" "start" "-a" "57aec927f89c32afafc5b2ddb92eed98b68d8c336753f963d2e969e739c57d68"`
[INFO] [stderr]    Compiling iup-sys v0.0.3
[INFO] [stderr]    Compiling iup v0.0.3 (https://github.com/dcampbell24/iup-rust#3daddd1f)
[INFO] [stderr] error[E0277]: a collection of type `[std::path::PathBuf; 1]` cannot be built from an iterator over elements of type `std::path::PathBuf`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/iup-rust-848a7d570fe350d7/3daddd1/src/dialog/file.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 |                       Some(values.into_iter().skip(1)
[INFO] [stderr]    |  __________________________^
[INFO] [stderr] 36 | |                                .map(|file| path.join(file))
[INFO] [stderr] 37 | |                                .collect())
[INFO] [stderr]    | |_________________________________________^ a collection of type `[std::path::PathBuf; 1]` cannot be built from `std::iter::Iterator<Item=std::path::PathBuf>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::FromIterator<std::path::PathBuf>` is not implemented for `[std::path::PathBuf; 1]`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/iup-rust-848a7d570fe350d7/3daddd1/src/dialog/file.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |       pub fn files(&self) -> Option<Vec<PathBuf>> {
[INFO] [stderr]    |                              -------------------- expected `std::option::Option<std::vec::Vec<std::path::PathBuf>>` because of return type
[INFO] [stderr] 26 | /         self.attrib("VALUE").and_then(|value| {
[INFO] [stderr] 27 | |             let values =  value.split_terminator('|').collect::<Vec<&str>>();
[INFO] [stderr] 28 | |             match values.len() {
[INFO] [stderr] 29 | |                 0 => None,
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             }
[INFO] [stderr] 40 | |         })
[INFO] [stderr]    | |__________^ expected struct `std::vec::Vec`, found array of 1 element
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<std::vec::Vec<std::path::PathBuf>>`
[INFO] [stderr]               found type `std::option::Option<[std::path::PathBuf; 1]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `iup`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "57aec927f89c32afafc5b2ddb92eed98b68d8c336753f963d2e969e739c57d68"`
[INFO] running `"docker" "rm" "-f" "57aec927f89c32afafc5b2ddb92eed98b68d8c336753f963d2e969e739c57d68"`
[INFO] [stdout] 57aec927f89c32afafc5b2ddb92eed98b68d8c336753f963d2e969e739c57d68