[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<Point, CurveError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     pub fn subtract_points(&self, point1: &Point, point2: &Point) -> Result<Point, CurveError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  55 |     pub fn scalar_division(&self, scalar: BigUint, point: &Point) -> Result<Point, CurveError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn order_of_point(&self, point: &Point) -> Result<BigUint, CurveError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BigUint, Infallible>
[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
