[INFO] updating cached repository overengineering/roulette [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/overengineering/roulette [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/overengineering/roulette" "work/ex/beta-1.38-1/sources/1.37.0/gh/overengineering/roulette"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/overengineering/roulette'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/overengineering/roulette" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/overengineering/roulette"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/overengineering/roulette'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bc099dec1f09515b836ccf99bbd0ee181f0ad64f [INFO] sha for GitHub repo overengineering/roulette: bc099dec1f09515b836ccf99bbd0ee181f0ad64f [INFO] validating manifest of overengineering/roulette 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 overengineering/roulette 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 overengineering/roulette [INFO] finished frobbing overengineering/roulette [INFO] frobbed toml for overengineering/roulette written to work/ex/beta-1.38-1/sources/1.37.0/gh/overengineering/roulette/Cargo.toml [INFO] started frobbing overengineering/roulette [INFO] finished frobbing overengineering/roulette [INFO] frobbed toml for overengineering/roulette written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/overengineering/roulette/Cargo.toml [INFO] crate overengineering/roulette already has a lockfile, it will not be regenerated [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 overengineering/roulette 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/overengineering/roulette:/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] 2c49a440e869b2f28fc6cae990adc152262d88b1a336824e0117110675f0770b [INFO] running `"docker" "start" "-a" "2c49a440e869b2f28fc6cae990adc152262d88b1a336824e0117110675f0770b"` [INFO] [stderr] Compiling itertools v0.6.1 [INFO] [stderr] Compiling roulette v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0507]: cannot move out of `element`, a captured variable in an `FnMut` closure [INFO] [stderr] --> src/wheel.rs:48:44 [INFO] [stderr] | [INFO] [stderr] 45 | .flat_map(|(element, properties)| { [INFO] [stderr] | ------- captured outer variable [INFO] [stderr] ... [INFO] [stderr] 48 | .map(|property| (element, property)) [INFO] [stderr] | ^^^^^^^ move occurs because `element` has type `wheel::WheelElement`, which does not implement the `Copy` trait [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of a shared reference [INFO] [stderr] --> src/wheel.rs:54:20 [INFO] [stderr] | [INFO] [stderr] 54 | .group_by(|&(_, property)| property) [INFO] [stderr] | ^^^^^--------^ [INFO] [stderr] | | | [INFO] [stderr] | | data moved here [INFO] [stderr] | | move occurs because `property` has type `wheel::WheelElementProperty`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider removing the `&`: `(_, property)` [INFO] [stderr] [INFO] [stderr] error[E0716]: temporary value dropped while borrowed [INFO] [stderr] --> src/wheel.rs:52:19 [INFO] [stderr] | [INFO] [stderr] 52 | let aaaaaaa = all_element_property_pairs [INFO] [stderr] | ___________________^ [INFO] [stderr] 53 | | .into_iter() [INFO] [stderr] 54 | | .group_by(|&(_, property)| property) [INFO] [stderr] | |____________________________________________^ creates a temporary which is freed while still in use [INFO] [stderr] 55 | .into_iter(); [INFO] [stderr] | - temporary value is freed at the end of this statement [INFO] [stderr] 56 | [INFO] [stderr] 57 | let elements_by_property: HashMap> = aaaaaaa [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: consider using a `let` binding to create a longer lived value [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0507, E0716. [INFO] [stderr] For more information about an error, try `rustc --explain E0507`. [INFO] [stderr] error: Could not compile `roulette`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "2c49a440e869b2f28fc6cae990adc152262d88b1a336824e0117110675f0770b"` [INFO] running `"docker" "rm" "-f" "2c49a440e869b2f28fc6cae990adc152262d88b1a336824e0117110675f0770b"` [INFO] [stdout] 2c49a440e869b2f28fc6cae990adc152262d88b1a336824e0117110675f0770b