[INFO] cloning repository https://github.com/mairbek/cryptopals-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mairbek/cryptopals-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmairbek%2Fcryptopals-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmairbek%2Fcryptopals-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af3cbcf18d3c4712c7431b459f037520f03825eb [INFO] testing mairbek/cryptopals-rust against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmairbek%2Fcryptopals-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] finished tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] tweaked toml for git repo https://github.com/mairbek/cryptopals-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mairbek/cryptopals-rust on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mairbek/cryptopals-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/3/a/aes, error: No space left on device (os error 28) [INFO] [stderr] warning: failed to save last-use data [INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache. [INFO] [stderr] [INFO] [stderr] database or disk is full [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Error code 13: database or disk is full [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt-derive v0.4.18 [INFO] [stderr] error: failed to create directory `/workspace/cargo-home/registry/cache/index.crates.io-1949cf8c6b5b557f` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] testing mairbek/cryptopals-rust against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmairbek%2Fcryptopals-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] finished tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] tweaked toml for git repo https://github.com/mairbek/cryptopals-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mairbek/cryptopals-rust on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mairbek/cryptopals-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/3/a/aes, error: No space left on device (os error 28) [INFO] [stderr] warning: failed to save last-use data [INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache. [INFO] [stderr] [INFO] [stderr] database or disk is full [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Error code 13: database or disk is full [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt-derive v0.4.18 [INFO] [stderr] error: failed to create directory `/workspace/cargo-home/registry/cache/index.crates.io-1949cf8c6b5b557f` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] testing mairbek/cryptopals-rust against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmairbek%2Fcryptopals-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] finished tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] tweaked toml for git repo https://github.com/mairbek/cryptopals-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mairbek/cryptopals-rust on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mairbek/cryptopals-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/3/a/aes, error: No space left on device (os error 28) [INFO] [stderr] warning: failed to save last-use data [INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache. [INFO] [stderr] [INFO] [stderr] database or disk is full [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Error code 13: database or disk is full [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.13 [INFO] [stderr] error: failed to create directory `/workspace/cargo-home/registry/cache/index.crates.io-1949cf8c6b5b557f` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] testing mairbek/cryptopals-rust against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmairbek%2Fcryptopals-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] finished tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] tweaked toml for git repo https://github.com/mairbek/cryptopals-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mairbek/cryptopals-rust on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mairbek/cryptopals-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/3/a/aes, error: No space left on device (os error 28) [INFO] [stderr] warning: failed to save last-use data [INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache. [INFO] [stderr] [INFO] [stderr] database or disk is full [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Error code 13: database or disk is full [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.13 [INFO] [stderr] error: failed to create directory `/workspace/cargo-home/registry/cache/index.crates.io-1949cf8c6b5b557f` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] testing mairbek/cryptopals-rust against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmairbek%2Fcryptopals-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] finished tweaking git repo https://github.com/mairbek/cryptopals-rust [INFO] tweaked toml for git repo https://github.com/mairbek/cryptopals-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mairbek/cryptopals-rust on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mairbek/cryptopals-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/3/a/aes, error: No space left on device (os error 28) [INFO] [stderr] warning: failed to save last-use data [INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache. [INFO] [stderr] [INFO] [stderr] database or disk is full [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Error code 13: database or disk is full [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v1.0.37 [INFO] [stderr] error: failed to create directory `/workspace/cargo-home/registry/cache/index.crates.io-1949cf8c6b5b557f` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) overridden task result to prepare-fail:unknown Caused by: 0: uncategorized prepare error 1: command failed: exit status: 101 Updating crates.io index warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/3/a/aes, error: No space left on device (os error 28) warning: failed to save last-use data This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache. database or disk is full Caused by: Error code 13: database or disk is full Downloading crates ... Downloaded quote v1.0.37 error: failed to create directory `/workspace/cargo-home/registry/cache/index.crates.io-1949cf8c6b5b557f` Caused by: No space left on device (os error 28)