[INFO] cloning repository linclark/enigma
[INFO] running `"git" "clone" "--bare" "git://github.com/linclark/enigma.git" "work/cache/sources/gh/linclark/enigma"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/linclark/enigma'...
[INFO] running `"git" "clone" "work/cache/sources/gh/linclark/enigma" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/linclark/enigma"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/linclark/enigma'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/linclark/enigma" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/linclark/enigma"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/linclark/enigma'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14e791b395256951642844d0f2aa572d99bb7f22
[INFO] sha for GitHub repo linclark/enigma: 14e791b395256951642844d0f2aa572d99bb7f22
[INFO] validating manifest of linclark/enigma on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of linclark/enigma on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing linclark/enigma
[INFO] finished frobbing linclark/enigma
[INFO] frobbed toml for linclark/enigma written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/linclark/enigma/Cargo.toml
[INFO] started frobbing linclark/enigma
[INFO] finished frobbing linclark/enigma
[INFO] frobbed toml for linclark/enigma written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/linclark/enigma/Cargo.toml
[INFO] crate linclark/enigma already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/linclark/ultra`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking linclark/enigma against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/linclark/enigma:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aefef8646b1b36ce7b204b453ba796a00476c0ab44b28f77adb5fa65e4c8e99e
[INFO] running `"docker" "start" "-a" "aefef8646b1b36ce7b204b453ba796a00476c0ab44b28f77adb5fa65e4c8e99e"`
[INFO] [stderr]     Checking ultra v0.3.1 (https://github.com/linclark/ultra#cc71bafb)
[INFO] [stderr] error[E0282]: type annotations needed for `std::vec::Vec<(&str, _)>`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/ultra-e470c45dfa05ab13/cc71baf/src/decrypt.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut qgrams = Vec::new();
[INFO] [stderr]    |             ---------- consider giving `qgrams` the explicit type `std::vec::Vec<(&str, _)>`, with the type parameters specified
[INFO] [stderr] ...
[INFO] [stderr] 26 |             let frequency = (n as f64) / (total as f64);
[INFO] [stderr]    |                             ^^^^^^^^^^ cannot infer type
[INFO] [stderr]    |
[INFO] [stderr]    = note: type must be known at this point
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `ultra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aefef8646b1b36ce7b204b453ba796a00476c0ab44b28f77adb5fa65e4c8e99e"`
[INFO] running `"docker" "rm" "-f" "aefef8646b1b36ce7b204b453ba796a00476c0ab44b28f77adb5fa65e4c8e99e"`
[INFO] [stdout] aefef8646b1b36ce7b204b453ba796a00476c0ab44b28f77adb5fa65e4c8e99e