[INFO] cloning repository https://github.com/0xwink/winkalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xwink/winkalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xwink%2Fwinkalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xwink%2Fwinkalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bda36227d13cc822c3d31bdc796f06df302a481
[INFO] testing 0xwink/winkalc against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xwink%2Fwinkalc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xwink/winkalc
[INFO] finished tweaking git repo https://github.com/0xwink/winkalc
[INFO] tweaked toml for git repo https://github.com/0xwink/winkalc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xwink/winkalc on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xwink/winkalc 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded rustyline v17.0.1
[INFO] [stderr]   Downloaded fd-lock v4.0.4
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf8145dcfe7f298ba229dcc5d7610ab60fed01eac8c3f077eea65e44c43d5e56
[INFO] running `Command { std: "docker" "start" "-a" "cf8145dcfe7f298ba229dcc5d7610ab60fed01eac8c3f077eea65e44c43d5e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf8145dcfe7f298ba229dcc5d7610ab60fed01eac8c3f077eea65e44c43d5e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8145dcfe7f298ba229dcc5d7610ab60fed01eac8c3f077eea65e44c43d5e56", kill_on_drop: false }`
[INFO] [stdout] cf8145dcfe7f298ba229dcc5d7610ab60fed01eac8c3f077eea65e44c43d5e56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1345041a35b2af79fa22f1eca0afb05ff50818e23bf117c6bc85dc6877f51d0a
[INFO] running `Command { std: "docker" "start" "-a" "1345041a35b2af79fa22f1eca0afb05ff50818e23bf117c6bc85dc6877f51d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling fd-lock v4.0.4
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling rustyline v17.0.1
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling winkalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/arithmetic/rational.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl NumPair {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn display(&self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_positive` is never used
[INFO] [stdout]    --> src/arithmetic/rational.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 86  | impl Rational {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn is_positive(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `real_to_pair`, `imag_to_pair`, `reduced`, `new`, and `to_real` are never used
[INFO] [stdout]    --> src/arithmetic/rational.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 226 | impl ComplexRational {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 227 |     pub fn real_to_pair(&self) -> NumPair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn imag_to_pair(&self) -> NumPair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     pub fn reduced(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     pub fn new (real_num: int, real_denom: int, imag_num: int, imag_denom: int) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn to_real(&self) -> Option<Rational> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_zpol` is never used
[INFO] [stdout]    --> src/arithmetic/polynomial.rs:395:12
[INFO] [stdout]     |
[INFO] [stdout] 394 | impl QPol {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 395 |     pub fn is_zpol(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `neg` and `equal` are never used
[INFO] [stdout]   --> src/arithmetic/prime.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Prime {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn neg(&self, x: &Integer) -> Integer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn equal(&self, x: &Z, y: &Z) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `normpol` is never used
[INFO] [stdout]    --> src/arithmetic/prime.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 84  | impl Prime {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn normpol(&self, f: &ZPol) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_one` is never used
[INFO] [stdout]   --> src/arithmetic/ring.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub trait Field: Copy + Clone + std::fmt::Display + PartialEq {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn is_one(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_inv`, `is_one`, and `gcd` are never used
[INFO] [stdout]   --> src/arithmetic/ring.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait EuclideanRing: Clone + std::fmt::Display + PartialEq {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn try_inv(&self) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn is_one(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn gcd(input: &Duo<Self>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Ring` is never used
[INFO] [stdout]    --> src/arithmetic/ring.rs:198:11
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub trait Ring: Clone + PartialEq {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Debug`, `Debug1`, `Debug2`, `Debug3`, and `Debug4` are never constructed
[INFO] [stdout]  --> src/customio/parse.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ParseError {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Debug, Debug1, Debug2, Debug3, Debug4
[INFO] [stdout]   |     ^^^^^  ^^^^^^  ^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.91s
[INFO] running `Command { std: "docker" "inspect" "1345041a35b2af79fa22f1eca0afb05ff50818e23bf117c6bc85dc6877f51d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1345041a35b2af79fa22f1eca0afb05ff50818e23bf117c6bc85dc6877f51d0a", kill_on_drop: false }`
[INFO] [stdout] 1345041a35b2af79fa22f1eca0afb05ff50818e23bf117c6bc85dc6877f51d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff478780ea5610bf35b2232d2343633b5244f14a549f204d95b14ead254b8734
[INFO] running `Command { std: "docker" "start" "-a" "ff478780ea5610bf35b2232d2343633b5244f14a549f204d95b14ead254b8734", kill_on_drop: false }`
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/arithmetic/rational.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl NumPair {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn display(&self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_positive` is never used
[INFO] [stdout]    --> src/arithmetic/rational.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 86  | impl Rational {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn is_positive(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `real_to_pair`, `imag_to_pair`, `reduced`, `new`, and `to_real` are never used
[INFO] [stdout]    --> src/arithmetic/rational.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 226 | impl ComplexRational {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 227 |     pub fn real_to_pair(&self) -> NumPair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn imag_to_pair(&self) -> NumPair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     pub fn reduced(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     pub fn new (real_num: int, real_denom: int, imag_num: int, imag_denom: int) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn to_real(&self) -> Option<Rational> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_zpol` is never used
[INFO] [stdout]    --> src/arithmetic/polynomial.rs:395:12
[INFO] [stdout]     |
[INFO] [stdout] 394 | impl QPol {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 395 |     pub fn is_zpol(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling winkalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `neg` and `equal` are never used
[INFO] [stdout]   --> src/arithmetic/prime.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Prime {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn neg(&self, x: &Integer) -> Integer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn equal(&self, x: &Z, y: &Z) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `normpol` is never used
[INFO] [stdout]    --> src/arithmetic/prime.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 84  | impl Prime {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn normpol(&self, f: &ZPol) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_one` is never used
[INFO] [stdout]   --> src/arithmetic/ring.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub trait Field: Copy + Clone + std::fmt::Display + PartialEq {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn is_one(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_inv`, `is_one`, and `gcd` are never used
[INFO] [stdout]   --> src/arithmetic/ring.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait EuclideanRing: Clone + std::fmt::Display + PartialEq {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn try_inv(&self) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn is_one(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn gcd(input: &Duo<Self>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Ring` is never used
[INFO] [stdout]    --> src/arithmetic/ring.rs:198:11
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub trait Ring: Clone + PartialEq {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Debug`, `Debug1`, `Debug2`, `Debug3`, and `Debug4` are never constructed
[INFO] [stdout]  --> src/customio/parse.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ParseError {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Debug, Debug1, Debug2, Debug3, Debug4
[INFO] [stdout]   |     ^^^^^  ^^^^^^  ^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/arithmetic/rational.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl NumPair {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn display(&self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_positive` is never used
[INFO] [stdout]    --> src/arithmetic/rational.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 86  | impl Rational {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn is_positive(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `real_to_pair`, `imag_to_pair`, `reduced`, `new`, and `to_real` are never used
[INFO] [stdout]    --> src/arithmetic/rational.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 226 | impl ComplexRational {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 227 |     pub fn real_to_pair(&self) -> NumPair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn imag_to_pair(&self) -> NumPair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     pub fn reduced(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     pub fn new (real_num: int, real_denom: int, imag_num: int, imag_denom: int) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn to_real(&self) -> Option<Rational> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_zpol` is never used
[INFO] [stdout]    --> src/arithmetic/polynomial.rs:395:12
[INFO] [stdout]     |
[INFO] [stdout] 394 | impl QPol {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 395 |     pub fn is_zpol(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `neg` and `equal` are never used
[INFO] [stdout]   --> src/arithmetic/prime.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Prime {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn neg(&self, x: &Integer) -> Integer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn equal(&self, x: &Z, y: &Z) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `normpol` is never used
[INFO] [stdout]    --> src/arithmetic/prime.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 84  | impl Prime {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn normpol(&self, f: &ZPol) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_one` is never used
[INFO] [stdout]   --> src/arithmetic/ring.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub trait Field: Copy + Clone + std::fmt::Display + PartialEq {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn is_one(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_inv`, `is_one`, and `gcd` are never used
[INFO] [stdout]   --> src/arithmetic/ring.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait EuclideanRing: Clone + std::fmt::Display + PartialEq {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn try_inv(&self) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn is_one(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn gcd(input: &Duo<Self>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Ring` is never used
[INFO] [stdout]    --> src/arithmetic/ring.rs:198:11
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub trait Ring: Clone + PartialEq {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Debug`, `Debug1`, `Debug2`, `Debug3`, and `Debug4` are never constructed
[INFO] [stdout]  --> src/customio/parse.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ParseError {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Debug, Debug1, Debug2, Debug3, Debug4
[INFO] [stdout]   |     ^^^^^  ^^^^^^  ^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "ff478780ea5610bf35b2232d2343633b5244f14a549f204d95b14ead254b8734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff478780ea5610bf35b2232d2343633b5244f14a549f204d95b14ead254b8734", kill_on_drop: false }`
[INFO] [stdout] ff478780ea5610bf35b2232d2343633b5244f14a549f204d95b14ead254b8734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 976fd6549c56b88e1b79ae4142dc14766cd280dba4bc012db6917f35363bca76
[INFO] running `Command { std: "docker" "start" "-a" "976fd6549c56b88e1b79ae4142dc14766cd280dba4bc012db6917f35363bca76", kill_on_drop: false }`
[INFO] [stderr] warning: method `display` is never used
[INFO] [stderr]   --> src/arithmetic/rational.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | impl NumPair {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn display(&self){
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_positive` is never used
[INFO] [stderr]    --> src/arithmetic/rational.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 86  | impl Rational {
[INFO] [stderr]     | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 115 |     pub fn is_positive(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `real_to_pair`, `imag_to_pair`, `reduced`, `new`, and `to_real` are never used
[INFO] [stderr]    --> src/arithmetic/rational.rs:227:12
[INFO] [stderr]     |
[INFO] [stderr] 226 | impl ComplexRational {
[INFO] [stderr]     | -------------------- associated items in this implementation
[INFO] [stderr] 227 |     pub fn real_to_pair(&self) -> NumPair {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 230 |     pub fn imag_to_pair(&self) -> NumPair {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 234 |     pub fn reduced(&self) -> Self {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 240 |     pub fn new (real_num: int, real_denom: int, imag_num: int, imag_denom: int) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 268 |     pub fn to_real(&self) -> Option<Rational> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_zpol` is never used
[INFO] [stderr]    --> src/arithmetic/polynomial.rs:395:12
[INFO] [stderr]     |
[INFO] [stderr] 394 | impl QPol {
[INFO] [stderr]     | --------- method in this implementation
[INFO] [stderr] 395 |     pub fn is_zpol(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `neg` and `equal` are never used
[INFO] [stderr]   --> src/arithmetic/prime.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl Prime {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn neg(&self, x: &Integer) -> Integer {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 |     pub fn equal(&self, x: &Z, y: &Z) -> bool {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `normpol` is never used
[INFO] [stderr]    --> src/arithmetic/prime.rs:123:12
[INFO] [stderr]     |
[INFO] [stderr] 84  | impl Prime {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 123 |     pub fn normpol(&self, f: &ZPol) -> usize {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_one` is never used
[INFO] [stderr]   --> src/arithmetic/ring.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 3  | pub trait Field: Copy + Clone + std::fmt::Display + PartialEq {
[INFO] [stderr]    |           ----- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 18 |     fn is_one(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `try_inv`, `is_one`, and `gcd` are never used
[INFO] [stderr]   --> src/arithmetic/ring.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub trait EuclideanRing: Clone + std::fmt::Display + PartialEq {
[INFO] [stderr]    |           ------------- associated items in this trait
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn try_inv(&self) -> Option<Self> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     fn is_one(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     fn gcd(input: &Duo<Self>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Ring` is never used
[INFO] [stderr]    --> src/arithmetic/ring.rs:198:11
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub trait Ring: Clone + PartialEq {
[INFO] [stderr]     |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Debug`, `Debug1`, `Debug2`, `Debug3`, and `Debug4` are never constructed
[INFO] [stderr]  --> src/customio/parse.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum ParseError {
[INFO] [stderr]   |          ---------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 9 |     Debug, Debug1, Debug2, Debug3, Debug4
[INFO] [stderr]   |     ^^^^^  ^^^^^^  ^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `winkalc` (lib) generated 10 warnings
[INFO] [stderr] warning: `winkalc` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/winkalc-a91b7504e86363b2)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/winkalc-bcf296eabdb72063)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests winkalc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "976fd6549c56b88e1b79ae4142dc14766cd280dba4bc012db6917f35363bca76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976fd6549c56b88e1b79ae4142dc14766cd280dba4bc012db6917f35363bca76", kill_on_drop: false }`
[INFO] [stdout] 976fd6549c56b88e1b79ae4142dc14766cd280dba4bc012db6917f35363bca76
