[INFO] cloning repository https://github.com/hudson-ai/remainder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hudson-ai/remainder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhudson-ai%2Fremainder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhudson-ai%2Fremainder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 390452447c0b28ea515029978193297d6177a0a5 [INFO] checking hudson-ai/remainder against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhudson-ai%2Fremainder" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hudson-ai/remainder on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hudson-ai/remainder [INFO] finished tweaking git repo https://github.com/hudson-ai/remainder [INFO] tweaked toml for git repo https://github.com/hudson-ai/remainder written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hudson-ai/remainder 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" "+419b3e2d3e350822550eee0e82eeded4d324d584" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bec38df7e10b9b6904297d5e0ec597801392d9b177384b6774c0436edfb7c17 [INFO] running `Command { std: "docker" "start" "-a" "0bec38df7e10b9b6904297d5e0ec597801392d9b177384b6774c0436edfb7c17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bec38df7e10b9b6904297d5e0ec597801392d9b177384b6774c0436edfb7c17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bec38df7e10b9b6904297d5e0ec597801392d9b177384b6774c0436edfb7c17", kill_on_drop: false }` [INFO] [stdout] 0bec38df7e10b9b6904297d5e0ec597801392d9b177384b6774c0436edfb7c17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9db3eefb7dc49ef9bc13992e52d22273fbc993b5bb3f63c45f4e925402b8c2ac [INFO] running `Command { std: "docker" "start" "-a" "9db3eefb7dc49ef9bc13992e52d22273fbc993b5bb3f63c45f4e925402b8c2ac", kill_on_drop: false }` [INFO] [stderr] Checking remainder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `Regex` is never used [INFO] [stdout] --> src/ast.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum Regex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Regex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/ast.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Regex { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 23 | fn nullable(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn null(&self) -> Regex { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn derivative(&self, c: &char) -> Regex { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | pub fn matches(&self, s: &str) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | pub fn repeat(r: Regex, low: u32, high: Option) -> Regex { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 157 | pub fn literal(s: &str) -> Regex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | pub fn fractional_remainder(divisor: f32, remainder: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn remainder(divisor: u32, remainder: u32) -> Regex { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `scale_divisor` is never used [INFO] [stdout] --> src/ast.rs:188:4 [INFO] [stdout] | [INFO] [stdout] 188 | fn scale_divisor(divisor: f32) -> Result<(u32, u32), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_remainder` is never used [INFO] [stdout] --> src/ast.rs:209:4 [INFO] [stdout] | [INFO] [stdout] 209 | fn check_remainder(divisor: u32, remainder: u32, n: u32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `And` and `Not` are never constructed [INFO] [stdout] --> src/ast.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum Regex { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 9 | And(Vec), // Intersection [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | Not(Box), // Negation [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Regex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `literal` is never used [INFO] [stdout] --> src/ast.rs:157:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Regex { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 157 | pub fn literal(s: &str) -> Regex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "9db3eefb7dc49ef9bc13992e52d22273fbc993b5bb3f63c45f4e925402b8c2ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9db3eefb7dc49ef9bc13992e52d22273fbc993b5bb3f63c45f4e925402b8c2ac", kill_on_drop: false }` [INFO] [stdout] 9db3eefb7dc49ef9bc13992e52d22273fbc993b5bb3f63c45f4e925402b8c2ac