[INFO] cloning repository https://github.com/1ilir0lika/mathrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1ilir0lika/mathrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ilir0lika%2Fmathrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ilir0lika%2Fmathrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a95d68e658dea0e201e35de63ebbd1d4cb8b2b8
[INFO] checking 1ilir0lika/mathrs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ilir0lika%2Fmathrs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1ilir0lika/mathrs 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/1ilir0lika/mathrs
[INFO] finished tweaking git repo https://github.com/1ilir0lika/mathrs
[INFO] tweaked toml for git repo https://github.com/1ilir0lika/mathrs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/1ilir0lika/mathrs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 42c2403d33cca42afe8b528c2e91227725b476f8aa2812fceaa1b42e8ce880f5
[INFO] running `Command { std: "docker" "start" "-a" "42c2403d33cca42afe8b528c2e91227725b476f8aa2812fceaa1b42e8ce880f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42c2403d33cca42afe8b528c2e91227725b476f8aa2812fceaa1b42e8ce880f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c2403d33cca42afe8b528c2e91227725b476f8aa2812fceaa1b42e8ce880f5", kill_on_drop: false }`
[INFO] [stdout] 42c2403d33cca42afe8b528c2e91227725b476f8aa2812fceaa1b42e8ce880f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bb314a56f0a1381d53f323d041d4aa02f515682cf1c541e1c3136b26ad148828
[INFO] running `Command { std: "docker" "start" "-a" "bb314a56f0a1381d53f323d041d4aa02f515682cf1c541e1c3136b26ad148828", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking aho-corasick v1.0.3
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking photomath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Tipo_func` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Tipo_func{
[INFO] [stdout]   |          ^^^^^^^^^ help: convert the identifier to upper camel case: `TipoFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sezione_conica` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum Sezione_conica{
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SezioneConica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `parabola` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     parabola(Parabola),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `Parabola`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `circonferenza` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     circonferenza(Circonferenza),
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Circonferenza`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `iperbole` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     iperbole(Iperbole),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Iperbole`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ellisse` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ellisse(Ellisse),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Ellisse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sezione_conica` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     sezione_conica(Sezione_conica),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SezioneConica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `esponenziale` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     esponenziale(Esponenziale), 
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Esponenziale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Tipo_func` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Tipo_func{
[INFO] [stdout]   |          ^^^^^^^^^ help: convert the identifier to upper camel case: `TipoFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `altro` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     altro,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Altro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sezione_conica` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum Sezione_conica{
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SezioneConica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `parabola` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     parabola(Parabola),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `Parabola`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `circonferenza` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     circonferenza(Circonferenza),
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Circonferenza`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `iperbole` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     iperbole(Iperbole),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Iperbole`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ellisse` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ellisse(Ellisse),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Ellisse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sezione_conica` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     sezione_conica(Sezione_conica),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SezioneConica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `esponenziale` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     esponenziale(Esponenziale), 
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Esponenziale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `altro` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     altro,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Altro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         -------- matches any value
[INFO] [stdout] 194 |         _=>{},
[INFO] [stdout]     |         ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         -------- matches any value
[INFO] [stdout] 194 |         _=>{},
[INFO] [stdout]     |         ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Parabola`
[INFO] [stdout]    --> src/main.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Parabola`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Parabola`
[INFO] [stdout]    --> src/main.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Parabola`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `str`, `tipo`, and `graph` are never read
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Function{
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 14 |     pub str:String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |     pub tipo:Tipo_func,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |     pub graph:Option<Graph>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `str`, `tipo`, and `graph` are never read
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Function{
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 14 |     pub str:String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |     pub tipo:Tipo_func,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |     pub graph:Option<Graph>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fuoco`, `vertice`, `direttrice`, and `asse` are never read
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Parabola{
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 | fuoco:[u8;2],
[INFO] [stdout]    | ^^^^^
[INFO] [stdout] 23 | vertice:[u8;2],
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout] 24 | direttrice:u8,
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 25 | asse:u8,
[INFO] [stdout]    | ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fuoco`, `vertice`, `direttrice`, and `asse` are never read
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Parabola{
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 | fuoco:[u8;2],
[INFO] [stdout]    | ^^^^^
[INFO] [stdout] 23 | vertice:[u8;2],
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout] 24 | direttrice:u8,
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 25 | asse:u8,
[INFO] [stdout]    | ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parameters` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn parameters(s: &str)->[&str; 2]{
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `where_simbol` is never used
[INFO] [stdout]   --> src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn where_simbol(s:String)->usize{
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parameters` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn parameters(s: &str)->[&str; 2]{
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/main.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn normalize(s: &str)->&str{
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `where_simbol` is never used
[INFO] [stdout]   --> src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn where_simbol(s:String)->usize{
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/main.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn normalize(s: &str)->&str{
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_to_right` is never used
[INFO] [stdout]    --> src/main.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn move_to_right(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_to_right` is never used
[INFO] [stdout]    --> src/main.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn move_to_right(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/main.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn solve(){
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/main.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn solve(){
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `graph` is never used
[INFO] [stdout]    --> src/main.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn graph(function:Function){
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `graph` is never used
[INFO] [stdout]    --> src/main.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn graph(function:Function){
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Parabola` should have a snake case name
[INFO] [stdout]    --> src/main.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `parabola`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Parabola` should have a snake case name
[INFO] [stdout]    --> src/main.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `parabola`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "bb314a56f0a1381d53f323d041d4aa02f515682cf1c541e1c3136b26ad148828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb314a56f0a1381d53f323d041d4aa02f515682cf1c541e1c3136b26ad148828", kill_on_drop: false }`
[INFO] [stdout] bb314a56f0a1381d53f323d041d4aa02f515682cf1c541e1c3136b26ad148828
[INFO] checking 1ilir0lika/mathrs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ilir0lika%2Fmathrs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1ilir0lika/mathrs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1ilir0lika/mathrs
[INFO] finished tweaking git repo https://github.com/1ilir0lika/mathrs
[INFO] tweaked toml for git repo https://github.com/1ilir0lika/mathrs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/1ilir0lika/mathrs 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 327779a1213a282e49fea75ab1f29c4da446cd5be2ee09dd2dc3e889ec59a31f
[INFO] running `Command { std: "docker" "start" "-a" "327779a1213a282e49fea75ab1f29c4da446cd5be2ee09dd2dc3e889ec59a31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "327779a1213a282e49fea75ab1f29c4da446cd5be2ee09dd2dc3e889ec59a31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327779a1213a282e49fea75ab1f29c4da446cd5be2ee09dd2dc3e889ec59a31f", kill_on_drop: false }`
[INFO] [stdout] 327779a1213a282e49fea75ab1f29c4da446cd5be2ee09dd2dc3e889ec59a31f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad308c91875a2f5ee6adeb13da287db613ee686cfc7d0d10a6f18fb80fc9151d
[INFO] running `Command { std: "docker" "start" "-a" "ad308c91875a2f5ee6adeb13da287db613ee686cfc7d0d10a6f18fb80fc9151d", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking photomath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Tipo_func` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Tipo_func{
[INFO] [stdout]   |          ^^^^^^^^^ help: convert the identifier to upper camel case: `TipoFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sezione_conica` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum Sezione_conica{
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SezioneConica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `parabola` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     parabola(Parabola),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `Parabola`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `circonferenza` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     circonferenza(Circonferenza),
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Circonferenza`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `iperbole` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     iperbole(Iperbole),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Iperbole`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ellisse` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ellisse(Ellisse),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Ellisse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Tipo_func` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Tipo_func{
[INFO] [stdout]   |          ^^^^^^^^^ help: convert the identifier to upper camel case: `TipoFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sezione_conica` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     sezione_conica(Sezione_conica),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SezioneConica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `esponenziale` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     esponenziale(Esponenziale), 
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Esponenziale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `altro` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     altro,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Altro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sezione_conica` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum Sezione_conica{
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SezioneConica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `parabola` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     parabola(Parabola),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `Parabola`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `circonferenza` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     circonferenza(Circonferenza),
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Circonferenza`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `iperbole` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     iperbole(Iperbole),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Iperbole`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ellisse` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ellisse(Ellisse),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Ellisse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sezione_conica` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     sezione_conica(Sezione_conica),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SezioneConica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `esponenziale` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     esponenziale(Esponenziale), 
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Esponenziale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `altro` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     altro,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Altro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     match s.as_str() {
[INFO] [stdout] 127 | |         _ if only_one(SIMBOLI_DIS_DOPPI.to_vec(), s.clone())
[INFO] [stdout] 128 | |             && only_one(SIMBOLI_EQ.to_vec(), s.clone())
[INFO] [stdout] 129 | |             && only_one(SIMBOLI_DIS_SING.to_vec(), s.clone()) =>
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |
[INFO] [stdout] 169 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     match s.as_str() {
[INFO] [stdout] 127 | |         _ if only_one(SIMBOLI_DIS_DOPPI.to_vec(), s.clone())
[INFO] [stdout] 128 | |             && only_one(SIMBOLI_EQ.to_vec(), s.clone())
[INFO] [stdout] 129 | |             && only_one(SIMBOLI_DIS_SING.to_vec(), s.clone()) =>
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |
[INFO] [stdout] 169 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         -------- matches any value
[INFO] [stdout] 194 |         _=>{},
[INFO] [stdout]     |         ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Parabola`
[INFO] [stdout]    --> src/main.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Parabola`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         -------- matches any value
[INFO] [stdout] 194 |         _=>{},
[INFO] [stdout]     |         ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Parabola`
[INFO] [stdout]    --> src/main.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Parabola=>{println!("questa é una parabola iee")},
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Parabola`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `photomath` (bin "photomath") due to 2 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `photomath` (bin "photomath" test) due to 2 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ad308c91875a2f5ee6adeb13da287db613ee686cfc7d0d10a6f18fb80fc9151d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad308c91875a2f5ee6adeb13da287db613ee686cfc7d0d10a6f18fb80fc9151d", kill_on_drop: false }`
[INFO] [stdout] ad308c91875a2f5ee6adeb13da287db613ee686cfc7d0d10a6f18fb80fc9151d