[INFO] updating cached repository astrojhgu/lifetime_test [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/astrojhgu/lifetime_test [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/astrojhgu/lifetime_test" "work/ex/beta-1.38-1/sources/1.37.0/gh/astrojhgu/lifetime_test"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/astrojhgu/lifetime_test'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/astrojhgu/lifetime_test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astrojhgu/lifetime_test"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astrojhgu/lifetime_test'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 068fca12a4cba200f97daca8b74c13d274206c66 [INFO] sha for GitHub repo astrojhgu/lifetime_test: 068fca12a4cba200f97daca8b74c13d274206c66 [INFO] validating manifest of astrojhgu/lifetime_test 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 astrojhgu/lifetime_test 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 astrojhgu/lifetime_test [INFO] finished frobbing astrojhgu/lifetime_test [INFO] frobbed toml for astrojhgu/lifetime_test written to work/ex/beta-1.38-1/sources/1.37.0/gh/astrojhgu/lifetime_test/Cargo.toml [INFO] started frobbing astrojhgu/lifetime_test [INFO] finished frobbing astrojhgu/lifetime_test [INFO] frobbed toml for astrojhgu/lifetime_test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astrojhgu/lifetime_test/Cargo.toml [INFO] crate astrojhgu/lifetime_test 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 astrojhgu/lifetime_test against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astrojhgu/lifetime_test:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] f81043edbc651c6050c9599f7279cdcf8521190025c204075979140ea543278b [INFO] running `"docker" "start" "-a" "f81043edbc651c6050c9599f7279cdcf8521190025c204075979140ea543278b"` [INFO] [stderr] Compiling lifetime_test v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `num_traits::Num` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use num_traits::Num; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let k = seeds.len(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_k` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `aa` [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let aa:Vec<_> = seeds [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_aa` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:21:46 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn kmeans<'a, Scalar, T>(points: Vec, mut seeds: Vec) -> Vec> [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0597]: `points` does not live long enough [INFO] [stderr] --> src/main.rs:31:14 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn kmeans<'a, Scalar, T>(points: Vec, mut seeds: Vec) -> Vec> [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] ... [INFO] [stderr] 31 | for p in &points { [INFO] [stderr] | ^^^^^^^ borrowed value does not live long enough [INFO] [stderr] ... [INFO] [stderr] 34 | a.distance_to(p) [INFO] [stderr] | ---------------- argument requires that `points` is borrowed for `'a` [INFO] [stderr] ... [INFO] [stderr] 40 | } [INFO] [stderr] | - `points` dropped here while still borrowed [INFO] [stderr] [INFO] [stderr] error[E0597]: `seeds` does not live long enough [INFO] [stderr] --> src/main.rs:32:25 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn kmeans<'a, Scalar, T>(points: Vec, mut seeds: Vec) -> Vec> [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] ... [INFO] [stderr] 32 | let aa:Vec<_> = seeds [INFO] [stderr] | ^^^^^ borrowed value does not live long enough [INFO] [stderr] 33 | .iter().map(|a|{ [INFO] [stderr] 34 | a.distance_to(p) [INFO] [stderr] | ---------------- argument requires that `seeds` is borrowed for `'a` [INFO] [stderr] ... [INFO] [stderr] 40 | } [INFO] [stderr] | - `seeds` dropped here while still borrowed [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0597`. [INFO] [stderr] error: Could not compile `lifetime_test`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f81043edbc651c6050c9599f7279cdcf8521190025c204075979140ea543278b"` [INFO] running `"docker" "rm" "-f" "f81043edbc651c6050c9599f7279cdcf8521190025c204075979140ea543278b"` [INFO] [stdout] f81043edbc651c6050c9599f7279cdcf8521190025c204075979140ea543278b