[INFO] cloning repository https://github.com/astrojhgu/lifetime_test [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/astrojhgu/lifetime_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Flifetime_test"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Flifetime_test'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 068fca12a4cba200f97daca8b74c13d274206c66 [INFO] testing astrojhgu/lifetime_test against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Flifetime_test" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/astrojhgu/lifetime_test on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/astrojhgu/lifetime_test [INFO] finished tweaking git repo https://github.com/astrojhgu/lifetime_test [INFO] tweaked toml for git repo https://github.com/astrojhgu/lifetime_test written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/astrojhgu/lifetime_test already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 198aeda6d0ab9a7ee8275c8c11f8d2d294a768f50fa7e8a3116ec411b474545a [INFO] running `"docker" "start" "-a" "198aeda6d0ab9a7ee8275c8c11f8d2d294a768f50fa7e8a3116ec411b474545a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling lifetime_test v0.1.0 (/opt/rustwide/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: if this is intentional, prefix it 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: if this is intentional, prefix it 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; 4 warnings emitted [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" "198aeda6d0ab9a7ee8275c8c11f8d2d294a768f50fa7e8a3116ec411b474545a"` [INFO] running `"docker" "rm" "-f" "198aeda6d0ab9a7ee8275c8c11f8d2d294a768f50fa7e8a3116ec411b474545a"` [INFO] [stdout] 198aeda6d0ab9a7ee8275c8c11f8d2d294a768f50fa7e8a3116ec411b474545a