[INFO] cloning repository https://github.com/protocolwhisper/Crypto-BabySteps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/protocolwhisper/Crypto-BabySteps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprotocolwhisper%2FCrypto-BabySteps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprotocolwhisper%2FCrypto-BabySteps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d912263251c4ee2bb17336e22f855e02ef2a031
[INFO] checking protocolwhisper/Crypto-BabySteps against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprotocolwhisper%2FCrypto-BabySteps" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/protocolwhisper/Crypto-BabySteps on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/protocolwhisper/Crypto-BabySteps
[INFO] finished tweaking git repo https://github.com/protocolwhisper/Crypto-BabySteps
[INFO] tweaked toml for git repo https://github.com/protocolwhisper/Crypto-BabySteps written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/protocolwhisper/Crypto-BabySteps 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modinverse v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 452076f25cc95c343f5aedb6f4b4d8d1e1592261a898c47af57202ed191fe2ad
[INFO] running `Command { std: "docker" "start" "-a" "452076f25cc95c343f5aedb6f4b4d8d1e1592261a898c47af57202ed191fe2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "452076f25cc95c343f5aedb6f4b4d8d1e1592261a898c47af57202ed191fe2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452076f25cc95c343f5aedb6f4b4d8d1e1592261a898c47af57202ed191fe2ad", kill_on_drop: false }`
[INFO] [stdout] 452076f25cc95c343f5aedb6f4b4d8d1e1592261a898c47af57202ed191fe2ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b88264d11ae64c08111f0f50ce800ab4c433e1a18588294426605b2689c1bcf
[INFO] running `Command { std: "docker" "start" "-a" "0b88264d11ae64c08111f0f50ce800ab4c433e1a18588294426605b2689c1bcf", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking const-oid v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking primes v0.3.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking spki v0.7.2
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking crypto-bigint v0.5.3
[INFO] [stderr]     Checking signature v2.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking modinverse v0.1.1
[INFO] [stderr]     Checking elliptic-curve v0.13.5
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking ecdsa v0.16.8
[INFO] [stderr]     Checking k256 v0.13.1
[INFO] [stderr]     Checking rsa-naive-algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `elliptic_curve::rand_core::OsRng`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use elliptic_curve::rand_core::OsRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `point::AffineCoordinates`
[INFO] [stdout]  --> src/main.rs:3:54
[INFO] [stdout]   |
[INFO] [stdout] 3 | use elliptic_curve::{group::prime::PrimeCurveAffine, point::AffineCoordinates};
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `elliptic_curve::Curve`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use elliptic_curve::Curve;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `elliptic_curve::rand_core::OsRng`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use elliptic_curve::rand_core::OsRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `point::AffineCoordinates`
[INFO] [stdout]  --> src/main.rs:3:54
[INFO] [stdout]   |
[INFO] [stdout] 3 | use elliptic_curve::{group::prime::PrimeCurveAffine, point::AffineCoordinates};
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `elliptic_curve::Curve`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use elliptic_curve::Curve;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OsRng` is imported redundantly
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use super::*;
[INFO] [stdout]    |         -------- the item `OsRng` is already imported here
[INFO] [stdout] 55 |     use k256::elliptic_curve::rand_core::OsRng;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AffinePoint` is imported redundantly
[INFO] [stdout]   --> src/main.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use super::*;
[INFO] [stdout]    |         -------- the item `AffinePoint` is already imported here
[INFO] [stdout] 55 |     use k256::elliptic_curve::rand_core::OsRng;
[INFO] [stdout] 56 |     use k256::{AffinePoint, ProjectivePoint};
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ProjectivePoint` is imported redundantly
[INFO] [stdout]   --> src/main.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use super::*;
[INFO] [stdout]    |         -------- the item `ProjectivePoint` is already imported here
[INFO] [stdout] 55 |     use k256::elliptic_curve::rand_core::OsRng;
[INFO] [stdout] 56 |     use k256::{AffinePoint, ProjectivePoint};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `k256::elliptic_curve::group::Group`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use k256::elliptic_curve::group::Group;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `elliptic_curve::Field`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use elliptic_curve::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress` is never used
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn compress(point: AffinePoint) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decompress` is never used
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn decompress(bytes: &[u8]) -> Option<AffinePoint> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Polynomial` is never constructed
[INFO] [stdout]  --> src/week3/Polynomial.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Polynomial {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `evaluate`, `evaluate_gf`, `add`, and `multiply` are never used
[INFO] [stdout]   --> src/week3/Polynomial.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Polynomial {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 7  |     fn new(coefficients: Vec<i64>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn evaluate(
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn evaluate_gf(&self, x: i64, p: i64) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn add(&self, other: &Polynomial) -> Polynomial {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn multiply(&self, other: &Polynomial) -> Polynomial {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/week3/Polynomial.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Polynomial` should have a snake case name
[INFO] [stdout]  --> src/week3/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Polynomial;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `polynomial`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `evaluate`, `evaluate_gf`, and `add` are never used
[INFO] [stdout]   --> src/week3/Polynomial.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Polynomial {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn evaluate(
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn evaluate_gf(&self, x: i64, p: i64) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn add(&self, other: &Polynomial) -> Polynomial {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/week3/Polynomial.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Polynomial` should have a snake case name
[INFO] [stdout]  --> src/week3/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Polynomial;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `polynomial`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "0b88264d11ae64c08111f0f50ce800ab4c433e1a18588294426605b2689c1bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b88264d11ae64c08111f0f50ce800ab4c433e1a18588294426605b2689c1bcf", kill_on_drop: false }`
[INFO] [stdout] 0b88264d11ae64c08111f0f50ce800ab4c433e1a18588294426605b2689c1bcf