[INFO] cloning repository https://github.com/ashfordneil/project_euler [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashfordneil/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Fproject_euler"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Fproject_euler'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d69b8e7931d9912a6016b1db0cc5889000293602 [INFO] testing ashfordneil/project_euler against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Fproject_euler" "/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/ashfordneil/project_euler 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/ashfordneil/project_euler [INFO] finished tweaking git repo https://github.com/ashfordneil/project_euler [INFO] tweaked toml for git repo https://github.com/ashfordneil/project_euler written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ashfordneil/project_euler 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] 314ff56e143da2fe50cfbf890fe9698d9acb6fb6fed60c5500dc09611f8b4dfd [INFO] running `"docker" "start" "-a" "314ff56e143da2fe50cfbf890fe9698d9acb6fb6fed60c5500dc09611f8b4dfd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling itertools v0.5.9 [INFO] [stderr] Compiling project_euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: unexpected token: `...` [INFO] [stderr] --> src/p6.rs:17:28 [INFO] [stderr] | [INFO] [stderr] 17 | let sum_of_squares = (1...100).map(|x| x * x).fold(0, Add::add); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] help: use `..` for an exclusive range [INFO] [stderr] | [INFO] [stderr] 17 | let sum_of_squares = (1..100).map(|x| x * x).fold(0, Add::add); [INFO] [stderr] | ^^ [INFO] [stderr] help: or `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] 17 | let sum_of_squares = (1..=100).map(|x| x * x).fold(0, Add::add); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error: unexpected token: `...` [INFO] [stderr] --> src/p6.rs:18:28 [INFO] [stderr] | [INFO] [stderr] 18 | let square_of_sums = (1...100).fold(0 as u32, Add::add).pow(2); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] help: use `..` for an exclusive range [INFO] [stderr] | [INFO] [stderr] 18 | let square_of_sums = (1..100).fold(0 as u32, Add::add).pow(2); [INFO] [stderr] | ^^ [INFO] [stderr] help: or `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] 18 | let square_of_sums = (1..=100).fold(0 as u32, Add::add).pow(2); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/p6.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | #![feature(inclusive_range_syntax)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `project_euler`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stderr] --> src/p11.rs:86:10 [INFO] [stderr] | [INFO] [stderr] 86 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "314ff56e143da2fe50cfbf890fe9698d9acb6fb6fed60c5500dc09611f8b4dfd"` [INFO] running `"docker" "rm" "-f" "314ff56e143da2fe50cfbf890fe9698d9acb6fb6fed60c5500dc09611f8b4dfd"` [INFO] [stdout] 314ff56e143da2fe50cfbf890fe9698d9acb6fb6fed60c5500dc09611f8b4dfd