[INFO] cloning repository https://github.com/JAYDARANIYA/codecrafters-grep-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JAYDARANIYA/codecrafters-grep-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJAYDARANIYA%2Fcodecrafters-grep-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJAYDARANIYA%2Fcodecrafters-grep-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7be0f31525f8857f11a404fedf04d892949cf1ad [INFO] checking JAYDARANIYA/codecrafters-grep-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJAYDARANIYA%2Fcodecrafters-grep-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JAYDARANIYA/codecrafters-grep-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JAYDARANIYA/codecrafters-grep-rust [INFO] finished tweaking git repo https://github.com/JAYDARANIYA/codecrafters-grep-rust [INFO] tweaked toml for git repo https://github.com/JAYDARANIYA/codecrafters-grep-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JAYDARANIYA/codecrafters-grep-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c92115e4ba329452d42b54f9aa5bddb7ce00f2fd956b9cd924bd9b8ccb65a1af [INFO] running `Command { std: "docker" "start" "-a" "c92115e4ba329452d42b54f9aa5bddb7ce00f2fd956b9cd924bd9b8ccb65a1af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c92115e4ba329452d42b54f9aa5bddb7ce00f2fd956b9cd924bd9b8ccb65a1af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c92115e4ba329452d42b54f9aa5bddb7ce00f2fd956b9cd924bd9b8ccb65a1af", kill_on_drop: false }` [INFO] [stdout] c92115e4ba329452d42b54f9aa5bddb7ce00f2fd956b9cd924bd9b8ccb65a1af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83e8037a49333d237931529e7e7d08d84a8a48c396d2a56a431f9f46cc4f5141 [INFO] running `Command { std: "docker" "start" "-a" "83e8037a49333d237931529e7e7d08d84a8a48c396d2a56a431f9f46cc4f5141", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Checking grep-starter-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.00s [INFO] running `Command { std: "docker" "inspect" "83e8037a49333d237931529e7e7d08d84a8a48c396d2a56a431f9f46cc4f5141", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83e8037a49333d237931529e7e7d08d84a8a48c396d2a56a431f9f46cc4f5141", kill_on_drop: false }` [INFO] [stdout] 83e8037a49333d237931529e7e7d08d84a8a48c396d2a56a431f9f46cc4f5141 [INFO] checking JAYDARANIYA/codecrafters-grep-rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJAYDARANIYA%2Fcodecrafters-grep-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JAYDARANIYA/codecrafters-grep-rust on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JAYDARANIYA/codecrafters-grep-rust [INFO] finished tweaking git repo https://github.com/JAYDARANIYA/codecrafters-grep-rust [INFO] tweaked toml for git repo https://github.com/JAYDARANIYA/codecrafters-grep-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JAYDARANIYA/codecrafters-grep-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd212778259d291cd4163d7a211a095d0a6a76254878f7ad48581a75e64fd80f [INFO] running `Command { std: "docker" "start" "-a" "bd212778259d291cd4163d7a211a095d0a6a76254878f7ad48581a75e64fd80f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd212778259d291cd4163d7a211a095d0a6a76254878f7ad48581a75e64fd80f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd212778259d291cd4163d7a211a095d0a6a76254878f7ad48581a75e64fd80f", kill_on_drop: false }` [INFO] [stdout] bd212778259d291cd4163d7a211a095d0a6a76254878f7ad48581a75e64fd80f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31fe845466237e4142ce22d5cfcba71f17837b8cde6c975b159392355d5265c2 [INFO] running `Command { std: "docker" "start" "-a" "31fe845466237e4142ce22d5cfcba71f17837b8cde6c975b159392355d5265c2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Checking grep-starter-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s [INFO] running `Command { std: "docker" "inspect" "31fe845466237e4142ce22d5cfcba71f17837b8cde6c975b159392355d5265c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31fe845466237e4142ce22d5cfcba71f17837b8cde6c975b159392355d5265c2", kill_on_drop: false }` [INFO] [stdout] 31fe845466237e4142ce22d5cfcba71f17837b8cde6c975b159392355d5265c2