[INFO] cloning repository https://github.com/edave64/ku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edave64/ku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedave64%2Fku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedave64%2Fku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 127fcd69e0818de02999b08dd0c0b3e118f8aa9b [INFO] checking edave64/ku against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedave64%2Fku" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/edave64/ku on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/edave64/ku [INFO] finished tweaking git repo https://github.com/edave64/ku [INFO] tweaked toml for git repo https://github.com/edave64/ku written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/edave64/ku 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad5518e2617fc9aafc05e3bdbcba1dc49be2f07efb3f29ce2a0261f0b5b81d6c [INFO] running `Command { std: "docker" "start" "-a" "ad5518e2617fc9aafc05e3bdbcba1dc49be2f07efb3f29ce2a0261f0b5b81d6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad5518e2617fc9aafc05e3bdbcba1dc49be2f07efb3f29ce2a0261f0b5b81d6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad5518e2617fc9aafc05e3bdbcba1dc49be2f07efb3f29ce2a0261f0b5b81d6c", kill_on_drop: false }` [INFO] [stdout] ad5518e2617fc9aafc05e3bdbcba1dc49be2f07efb3f29ce2a0261f0b5b81d6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c89a5ea5648e7094d64b05b1c66656cf732f606c226b42e12affdd35be98dfd1 [INFO] running `Command { std: "docker" "start" "-a" "c89a5ea5648e7094d64b05b1c66656cf732f606c226b42e12affdd35be98dfd1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking ku v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codex/simple.rs:72:27 [INFO] [stdout] | [INFO] [stdout] 72 | [x, y] => (x << 4 | y), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 72 - [x, y] => (x << 4 | y), [INFO] [stdout] 72 + [x, y] => x << 4 | y, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codex/simple.rs:73:24 [INFO] [stdout] | [INFO] [stdout] 73 | [x] => (x << 4), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - [x] => (x << 4), [INFO] [stdout] 73 + [x] => x << 4, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codex/simple.rs:72:27 [INFO] [stdout] | [INFO] [stdout] 72 | [x, y] => (x << 4 | y), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 72 - [x, y] => (x << 4 | y), [INFO] [stdout] 72 + [x, y] => x << 4 | y, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/codex/simple.rs:73:24 [INFO] [stdout] | [INFO] [stdout] 73 | [x] => (x << 4), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - [x] => (x << 4), [INFO] [stdout] 73 + [x] => x << 4, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `to_nums` and `first_unsolved` are never used [INFO] [stdout] --> src/solver/board.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Board { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn to_nums(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | pub fn first_unsolved(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BitWriter` is never constructed [INFO] [stdout] --> src/tools.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct BitWriter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `to_nums` and `first_unsolved` are never used [INFO] [stdout] --> src/solver/board.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Board { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn to_nums(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | pub fn first_unsolved(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BitWriter` is never constructed [INFO] [stdout] --> src/tools.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct BitWriter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `write`, `write_u16`, `disolve`, and `disolve_drop_zeros` are never used [INFO] [stdout] --> src/tools.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl BitWriter { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 8 | pub fn new() -> BitWriter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn write(&mut self, value: u8, length: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn write_u16(&mut self, value: u16, length: u8) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn disolve(mut self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn disolve_drop_zeros(mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BitReader` is never constructed [INFO] [stdout] --> src/tools.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct BitReader { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `write`, `write_u16`, `disolve`, and `disolve_drop_zeros` are never used [INFO] [stdout] --> src/tools.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl BitWriter { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 8 | pub fn new() -> BitWriter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn write(&mut self, value: u8, length: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn write_u16(&mut self, value: u16, length: u8) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn disolve(mut self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn disolve_drop_zeros(mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `read` are never used [INFO] [stdout] --> src/tools.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 64 | impl BitReader { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 65 | pub fn new(mut vec: Vec) -> BitReader { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn read(&mut self, length: u8) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BitReader` is never constructed [INFO] [stdout] --> src/tools.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct BitReader { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `read` are never used [INFO] [stdout] --> src/tools.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 64 | impl BitReader { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 65 | pub fn new(mut vec: Vec) -> BitReader { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn read(&mut self, length: u8) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s [INFO] running `Command { std: "docker" "inspect" "c89a5ea5648e7094d64b05b1c66656cf732f606c226b42e12affdd35be98dfd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c89a5ea5648e7094d64b05b1c66656cf732f606c226b42e12affdd35be98dfd1", kill_on_drop: false }` [INFO] [stdout] c89a5ea5648e7094d64b05b1c66656cf732f606c226b42e12affdd35be98dfd1