[INFO] cloning repository https://github.com/robinsonj/project_euler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robinsonj/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinsonj%2Fproject_euler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinsonj%2Fproject_euler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba494a87e0c8f114cd0c9654564a56559da8d47d [INFO] testing robinsonj/project_euler against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinsonj%2Fproject_euler" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robinsonj/project_euler on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/robinsonj/project_euler [INFO] finished tweaking git repo https://github.com/robinsonj/project_euler [INFO] tweaked toml for git repo https://github.com/robinsonj/project_euler written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/robinsonj/project_euler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 999043f55f081b53dda00deb280a1298aee35004f93aeb5028b51208b5548650 [INFO] running `Command { std: "docker" "start" "-a" "999043f55f081b53dda00deb280a1298aee35004f93aeb5028b51208b5548650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "999043f55f081b53dda00deb280a1298aee35004f93aeb5028b51208b5548650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "999043f55f081b53dda00deb280a1298aee35004f93aeb5028b51208b5548650", kill_on_drop: false }` [INFO] [stdout] 999043f55f081b53dda00deb280a1298aee35004f93aeb5028b51208b5548650 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9dabed5645ba9011d033440eab7d69497df5aba6137ddf2a919efbd32ea4fd4 [INFO] running `Command { std: "docker" "start" "-a" "c9dabed5645ba9011d033440eab7d69497df5aba6137ddf2a919efbd32ea4fd4", kill_on_drop: false }` [INFO] [stderr] Compiling euler_lib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/math/primes/mod.rs:151:7 [INFO] [stdout] | [INFO] [stdout] 151 | 2 ... 3 => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/solver/mod.rs:39:40 [INFO] [stdout] | [INFO] [stdout] 39 | SolverFunction::FunctionWithFile(file_name, solve) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FunctionWithFile` [INFO] [stdout] --> src/solver/mod.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | FunctionWithFile(&'a str, fn() -> String) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/p012.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(test)] [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `euler_lib` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c9dabed5645ba9011d033440eab7d69497df5aba6137ddf2a919efbd32ea4fd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9dabed5645ba9011d033440eab7d69497df5aba6137ddf2a919efbd32ea4fd4", kill_on_drop: false }` [INFO] [stdout] c9dabed5645ba9011d033440eab7d69497df5aba6137ddf2a919efbd32ea4fd4