[INFO] cloning repository https://github.com/sinnerschrader/rust-exercism-cubicle [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinnerschrader/rust-exercism-cubicle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinnerschrader%2Frust-exercism-cubicle", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinnerschrader%2Frust-exercism-cubicle'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7206a04271a81f758533b7431ae38a0466340ca7 [INFO] testing sinnerschrader/rust-exercism-cubicle against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinnerschrader%2Frust-exercism-cubicle" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinnerschrader/rust-exercism-cubicle on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sinnerschrader/rust-exercism-cubicle [INFO] finished tweaking git repo https://github.com/sinnerschrader/rust-exercism-cubicle [INFO] tweaked toml for git repo https://github.com/sinnerschrader/rust-exercism-cubicle written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/sinnerschrader/rust-exercism-cubicle already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e00bf64b6febf8ac87d127ef5530dcbbde991a30f6297057f081fdf8d28a4997 [INFO] running `Command { std: "docker" "start" "-a" "e00bf64b6febf8ac87d127ef5530dcbbde991a30f6297057f081fdf8d28a4997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e00bf64b6febf8ac87d127ef5530dcbbde991a30f6297057f081fdf8d28a4997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e00bf64b6febf8ac87d127ef5530dcbbde991a30f6297057f081fdf8d28a4997", kill_on_drop: false }` [INFO] [stdout] e00bf64b6febf8ac87d127ef5530dcbbde991a30f6297057f081fdf8d28a4997 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ba2a1d156eab7b37e792bbc238a5b2b75514ed2cc289b364828435441220402 [INFO] running `Command { std: "docker" "start" "-a" "6ba2a1d156eab7b37e792bbc238a5b2b75514ed2cc289b364828435441220402", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling cc v1.0.32 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling armstrong_numbers v1.0.0 (/opt/rustwide/workdir/exercises/armstrong-numbers) [INFO] [stderr] Compiling variable-length-quantity v1.2.0 (/opt/rustwide/workdir/exercises/variable-length-quantity) [INFO] [stderr] Compiling minesweeper v1.1.0 (/opt/rustwide/workdir/exercises/minesweeper) [INFO] [stderr] Compiling luhn-from v0.0.0 (/opt/rustwide/workdir/exercises/luhn-from) [INFO] [stderr] Compiling sieve v1.1.0 (/opt/rustwide/workdir/exercises/sieve) [INFO] [stderr] Compiling pangram v0.0.0 (/opt/rustwide/workdir/exercises/pangram) [INFO] [stderr] Compiling poker v1.1.0 (/opt/rustwide/workdir/exercises/poker) [INFO] [stderr] Compiling atbash-cipher v1.1.0 (/opt/rustwide/workdir/exercises/atbash-cipher) [INFO] [stderr] Compiling proverb v1.1.0 (/opt/rustwide/workdir/exercises/proverb) [INFO] [stderr] Compiling acronym v1.0.0 (/opt/rustwide/workdir/exercises/acronym) [INFO] [stderr] Compiling phone-number v1.6.1 (/opt/rustwide/workdir/exercises/phone-number) [INFO] [stderr] Compiling macros v0.1.0 (/opt/rustwide/workdir/exercises/macros) [INFO] [stderr] Compiling luhn v1.3.0 (/opt/rustwide/workdir/exercises/luhn) [INFO] [stderr] Compiling isogram v1.3.0 (/opt/rustwide/workdir/exercises/isogram) [INFO] [stderr] Compiling allergies v1.1.0 (/opt/rustwide/workdir/exercises/allergies) [INFO] [stderr] Compiling isbn-verifier v2.7.0 (/opt/rustwide/workdir/exercises/isbn-verifier) [INFO] [stderr] Compiling sublist v0.0.0 (/opt/rustwide/workdir/exercises/sublist) [INFO] [stderr] Compiling space-age v1.1.0 (/opt/rustwide/workdir/exercises/space-age) [INFO] [stderr] Compiling triangle v0.0.0 (/opt/rustwide/workdir/exercises/triangle) [INFO] [stderr] Compiling tournament v1.4.0 (/opt/rustwide/workdir/exercises/tournament) [INFO] [stderr] Compiling nucleotide_codons v0.1.0 (/opt/rustwide/workdir/exercises/nucleotide-codons) [INFO] [stderr] Compiling bracket-push v1.5.0 (/opt/rustwide/workdir/exercises/bracket-push) [INFO] [stderr] Compiling simple_linked_list v0.1.0 (/opt/rustwide/workdir/exercises/simple-linked-list) [INFO] [stderr] Compiling rectangles v1.1.0 (/opt/rustwide/workdir/exercises/rectangles) [INFO] [stderr] Compiling beer-song v0.0.0 (/opt/rustwide/workdir/exercises/beer-song) [INFO] [stderr] Compiling forth v1.7.0 (/opt/rustwide/workdir/exercises/forth) [INFO] [stderr] Compiling pythagorean_triplet v1.0.0 (/opt/rustwide/workdir/exercises/pythagorean-triplet) [INFO] [stderr] Compiling pascals-triangle v1.5.0 (/opt/rustwide/workdir/exercises/pascals-triangle) [INFO] [stderr] Compiling paasio v0.0.0 (/opt/rustwide/workdir/exercises/paasio) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> exercises/beer-song/src/lib.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | ... n @ 3...99 => format!("{n} bottles of beer on the wall, {n} bottles of beer.\nTake one down and pass it around, {m} bottles of beer... [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nth_prime v2.1.0 (/opt/rustwide/workdir/exercises/nth-prime) [INFO] [stderr] Compiling hamming v2.2.0 (/opt/rustwide/workdir/exercises/hamming) [INFO] [stderr] Compiling sum-of-multiples v1.5.0 (/opt/rustwide/workdir/exercises/sum-of-multiples) [INFO] [stderr] Compiling spiral-matrix v1.1.0 (/opt/rustwide/workdir/exercises/spiral-matrix) [INFO] [stderr] Compiling parallel-letter-frequency v0.0.0 (/opt/rustwide/workdir/exercises/parallel-letter-frequency) [INFO] [stderr] Compiling luhn-trait v0.0.0 (/opt/rustwide/workdir/exercises/luhn-trait) [INFO] [stderr] Compiling decimal v0.1.0 (/opt/rustwide/workdir/exercises/decimal) [INFO] [stderr] Compiling grade-school v0.0.0 (/opt/rustwide/workdir/exercises/grade-school) [INFO] [stderr] Compiling etl v1.0.0 (/opt/rustwide/workdir/exercises/etl) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> exercises/nth-prime/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling raindrops v1.1.0 (/opt/rustwide/workdir/exercises/raindrops) [INFO] [stderr] Compiling binary-search v1.3.0 (/opt/rustwide/workdir/exercises/binary-search) [INFO] [stderr] Compiling diffie-hellman v0.1.0 (/opt/rustwide/workdir/exercises/diffie-hellman) [INFO] [stderr] Compiling prime_factors v1.1.0 (/opt/rustwide/workdir/exercises/prime-factors) [INFO] [stderr] Compiling run-length-encoding v1.1.0 (/opt/rustwide/workdir/exercises/run-length-encoding) [INFO] [stderr] Compiling robot-simulator v2.2.0 (/opt/rustwide/workdir/exercises/robot-simulator) [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] Compiling pig-latin v1.0.0 (/opt/rustwide/workdir/exercises/pig-latin) [INFO] [stderr] Compiling difference-of-squares v1.2.0 (/opt/rustwide/workdir/exercises/difference-of-squares) [INFO] [stderr] Compiling clock v2.4.0 (/opt/rustwide/workdir/exercises/clock) [INFO] [stderr] error: could not compile `nth_prime` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> exercises/raindrops/src/lib.rs:85:10 [INFO] [stdout] | [INFO] [stdout] 85 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 85 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 84 | IntoIterator::into_iter([(3, "Pling"), (5, "Plang"), (7, "Plong")]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6ba2a1d156eab7b37e792bbc238a5b2b75514ed2cc289b364828435441220402", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ba2a1d156eab7b37e792bbc238a5b2b75514ed2cc289b364828435441220402", kill_on_drop: false }` [INFO] [stdout] 6ba2a1d156eab7b37e792bbc238a5b2b75514ed2cc289b364828435441220402