[INFO] fetching crate cryptid 0.2.8...
[INFO] checking cryptid-0.2.8 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate cryptid 0.2.8 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate cryptid 0.2.8 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cryptid 0.2.8
[INFO] finished tweaking crates.io crate cryptid 0.2.8
[INFO] tweaked toml for crates.io crate cryptid 0.2.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.22.1)
[INFO] [stderr]       Adding curve25519-dalek v2.1.3 (available: v4.1.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] [stderr]       Adding ring v0.16.20 (available: v0.17.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c11b7dcb9f1ac346c8954950f8519ec6222bfde717f05f49adc3fe9f2f044218
[INFO] running `Command { std: "docker" "start" "-a" "c11b7dcb9f1ac346c8954950f8519ec6222bfde717f05f49adc3fe9f2f044218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c11b7dcb9f1ac346c8954950f8519ec6222bfde717f05f49adc3fe9f2f044218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11b7dcb9f1ac346c8954950f8519ec6222bfde717f05f49adc3fe9f2f044218", kill_on_drop: false }`
[INFO] [stdout] c11b7dcb9f1ac346c8954950f8519ec6222bfde717f05f49adc3fe9f2f044218
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3685fc9b32602be91c900c2661023072a04adfa2f8cd9c296093ff6b655d4c85
[INFO] running `Command { std: "docker" "start" "-a" "3685fc9b32602be91c900c2661023072a04adfa2f8cd9c296093ff6b655d4c85", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.9
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking serde v1.0.217
[INFO] [stderr]     Checking serde_json v1.0.135
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking cryptid v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `n` and `x_i` are never read
[INFO] [stdout]    --> src/curve.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct Polynomial {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 177 |     k: usize,
[INFO] [stdout] 178 |     n: usize,
[INFO] [stdout]     |     ^
[INFO] [stdout] 179 |     pub x_i: Scalar,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Polynomial` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]    --> src/curve.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct Polynomial {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 177 |     k: usize,
[INFO] [stdout] 178 |     n: usize,
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Polynomial` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `curve::CurveElem` to `curve::CurveElem`
[INFO] [stdout]    --> src/elgamal.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let y = PublicKey::new(ctx.g_to(&x).into());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `curve::CurveElem` to `curve::CurveElem`
[INFO] [stdout]    --> src/elgamal.rs:204:36
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let ct1 = y.encrypt(&ctx, &m1.into(), &r1);
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `curve::CurveElem` to `curve::CurveElem`
[INFO] [stdout]    --> src/elgamal.rs:205:36
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let ct2 = y.encrypt(&ctx, &m2.into(), &r2);
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `curve::CurveElem` to `curve::CurveElem`
[INFO] [stdout]    --> src/elgamal.rs:221:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let y = PublicKey::new(ctx.g_to(&x).into());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `curve::CurveElem` to `curve::CurveElem`
[INFO] [stdout]    --> src/elgamal.rs:235:32
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let y = PublicKey::new(ctx.g_to(&x).into());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptid` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3685fc9b32602be91c900c2661023072a04adfa2f8cd9c296093ff6b655d4c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3685fc9b32602be91c900c2661023072a04adfa2f8cd9c296093ff6b655d4c85", kill_on_drop: false }`
[INFO] [stdout] 3685fc9b32602be91c900c2661023072a04adfa2f8cd9c296093ff6b655d4c85