[INFO] cloning repository https://github.com/milosdjurica/elliptic-curve [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milosdjurica/elliptic-curve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilosdjurica%2Felliptic-curve", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilosdjurica%2Felliptic-curve'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e767c1b499fe12c8ac1c0812a9a47be21ac126b [INFO] checking milosdjurica/elliptic-curve against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilosdjurica%2Felliptic-curve" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/milosdjurica/elliptic-curve [INFO] finished tweaking git repo https://github.com/milosdjurica/elliptic-curve [INFO] tweaked toml for git repo https://github.com/milosdjurica/elliptic-curve written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/milosdjurica/elliptic-curve on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/milosdjurica/elliptic-curve 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32ba405b65a6898845d3ca3ce947a6f6abc32779b61a48480525f735a9f035eb [INFO] running `Command { std: "docker" "start" "-a" "32ba405b65a6898845d3ca3ce947a6f6abc32779b61a48480525f735a9f035eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32ba405b65a6898845d3ca3ce947a6f6abc32779b61a48480525f735a9f035eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32ba405b65a6898845d3ca3ce947a6f6abc32779b61a48480525f735a9f035eb", kill_on_drop: false }` [INFO] [stdout] 32ba405b65a6898845d3ca3ce947a6f6abc32779b61a48480525f735a9f035eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6627d77624d5ca5bcdecd7c12743288593fe87d5b5045025195792264d150c8f [INFO] running `Command { std: "docker" "start" "-a" "6627d77624d5ca5bcdecd7c12743288593fe87d5b5045025195792264d150c8f", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking elliptic-curve v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `ScalarIsZero` is never constructed [INFO] [stdout] --> src/elliptic_curve.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum CurveError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 13 | InvalidPoint, [INFO] [stdout] 14 | ScalarIsZero, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CurveError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `negate_point`, `subtract_points`, `scalar_division`, and `order_of_point` are never used [INFO] [stdout] --> src/elliptic_curve.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl EllipticCurve { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn negate_point(&self, point: &Point) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn subtract_points(&self, point1: &Point, point2: &Point) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn scalar_division(&self, scalar: BigUint, point: &Point) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn order_of_point(&self, point: &Point) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/tests.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | BigUint::try_from(val).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `elliptic-curve` (bin "elliptic-curve" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "6627d77624d5ca5bcdecd7c12743288593fe87d5b5045025195792264d150c8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6627d77624d5ca5bcdecd7c12743288593fe87d5b5045025195792264d150c8f", kill_on_drop: false }` [INFO] [stdout] 6627d77624d5ca5bcdecd7c12743288593fe87d5b5045025195792264d150c8f