[INFO] fetching crate practo 0.1.0...
[INFO] testing practo-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate practo 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate practo 0.1.0
[INFO] finished tweaking crates.io crate practo 0.1.0
[INFO] tweaked toml for crates.io crate practo 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate practo 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate practo 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_tool v1.0.3
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25fb32b913cb20b6b9491954a77ccb73da13d4e6984b8658a04cf88d538af31b
[INFO] running `Command { std: "docker" "start" "-a" "25fb32b913cb20b6b9491954a77ccb73da13d4e6984b8658a04cf88d538af31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25fb32b913cb20b6b9491954a77ccb73da13d4e6984b8658a04cf88d538af31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25fb32b913cb20b6b9491954a77ccb73da13d4e6984b8658a04cf88d538af31b", kill_on_drop: false }`
[INFO] [stdout] 25fb32b913cb20b6b9491954a77ccb73da13d4e6984b8658a04cf88d538af31b
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0697212a8ee7b28f33b908d4fb504f52bd1d2a7bd4b45ab8319bbecfe0977026
[INFO] running `Command { std: "docker" "start" "-a" "0697212a8ee7b28f33b908d4fb504f52bd1d2a7bd4b45ab8319bbecfe0977026", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling practo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::person::Personal_info`
[INFO] [stdout]  --> src/file_2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use self::person::Personal_info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Personal_info` should have an upper camel case name
[INFO] [stdout]  --> src/file_2.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub struct Personal_info {
[INFO] [stdout]   |                ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PersonalInfo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `disease` is never read
[INFO] [stdout]   --> src/enums.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut disease = None;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `somebody`
[INFO] [stdout]    --> src/enums.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let somebody = Some(person1);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_somebody`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `person2`
[INFO] [stdout]   --> src/file_2.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let person2 = person::Personal_info {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_1`
[INFO] [stdout]   --> src/file_3.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let travel_1 = travel_history::Conveyance::Car;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_2`
[INFO] [stdout]   --> src/file_3.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let travel_2 = travel_history::Conveyance::Air;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/generics.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let p1 = Point { x: 5, y: 5 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/generics.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let p2 = Point { x: 7.8, y: 8.9 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/iterators.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut check = some_vec.iter().any(|&x| x > 2);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_str`
[INFO] [stdout]   --> src/lifetimes.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn some_fn<'a, 'b>(first_str: &'a str, second_str: &'b str) -> &'a str {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `division` is never used
[INFO] [stdout]  --> src/closures.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn division<F: Fn(f32) -> bool>(x: f32, y: f32, f: F) {
[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/closures.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prints_name` is never used
[INFO] [stdout]   --> src/closures.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn prints_name(name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prints_full_info` is never used
[INFO] [stdout]   --> src/closures.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn prints_full_info(f: fn(&str), some_one: &str, age: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crates_io.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Conveyance` is never used
[INFO] [stdout]  --> src/enums.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Conveyance {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel_allowance` is never used
[INFO] [stdout]  --> src/enums.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Conveyance {
[INFO] [stdout]   | --------------- method in this implementation
[INFO] [stdout] 8 |     fn travel_allowance(&self) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/enums.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Value {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/enums.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]   --> src/enums.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn square(num: Option<i32>) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `division` is never used
[INFO] [stdout]   --> src/enums.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn division(divident: f64, divisor: f64) -> Result<f64, String> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/enums.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/file_2.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub struct Personal_info {
[INFO] [stdout]   |                ------------- field in this struct
[INFO] [stdout] 5 |         pub age: u8,
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Train` is never constructed
[INFO] [stdout]  --> src/file_3.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub enum Conveyance {
[INFO] [stdout]   |              ---------- variant in this enum
[INFO] [stdout] 3 |         Car,
[INFO] [stdout] 4 |         Train,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]  --> src/generics.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn square<T>(x: T) -> T
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/generics.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Point<T, U> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `printing` is never used
[INFO] [stdout]   --> src/generics.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | / impl<T, U> Point<T, U>
[INFO] [stdout] 15 | | where
[INFO] [stdout] 16 | |     T: std::fmt::Debug,
[INFO] [stdout] 17 | |     U: std::fmt::Debug,
[INFO] [stdout]    | |_______________________- method in this implementation
[INFO] [stdout] 18 |   {
[INFO] [stdout] 19 |       fn printing(&self) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/generics.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/hashmaps.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/iterators.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/lifetimes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person<'a> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lifetimes.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_fn` is never used
[INFO] [stdout]   --> src/lifetimes.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn some_fn<'a, 'b>(first_str: &'a str, second_str: &'b str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greater` is never used
[INFO] [stdout]   --> src/lifetimes.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn greater<'a, 'b>(i: &'a i32, j: &'a i32) -> &'a i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/structs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> src/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Student {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralInfor` is never used
[INFO] [stdout]   --> src/structs.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait GeneralInfor {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/structs.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/structs.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralInfo` is never used
[INFO] [stdout]   --> src/structs.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait GeneralInfo {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/structs.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BasicStats` is never used
[INFO] [stdout]   --> src/structs.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 | trait BasicStats {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/structs.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "0697212a8ee7b28f33b908d4fb504f52bd1d2a7bd4b45ab8319bbecfe0977026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0697212a8ee7b28f33b908d4fb504f52bd1d2a7bd4b45ab8319bbecfe0977026", kill_on_drop: false }`
[INFO] [stdout] 0697212a8ee7b28f33b908d4fb504f52bd1d2a7bd4b45ab8319bbecfe0977026
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 878dbc8283ea9d705999a143754742a93118eb093656efcf8f8c774b19dda141
[INFO] running `Command { std: "docker" "start" "-a" "878dbc8283ea9d705999a143754742a93118eb093656efcf8f8c774b19dda141", kill_on_drop: false }`
[INFO] [stderr]    Compiling practo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::person::Personal_info`
[INFO] [stdout]  --> src/file_2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use self::person::Personal_info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Personal_info` should have an upper camel case name
[INFO] [stdout]  --> src/file_2.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub struct Personal_info {
[INFO] [stdout]   |                ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PersonalInfo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `disease` is never read
[INFO] [stdout]   --> src/enums.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut disease = None;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `somebody`
[INFO] [stdout]    --> src/enums.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let somebody = Some(person1);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_somebody`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `person2`
[INFO] [stdout]   --> src/file_2.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let person2 = person::Personal_info {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_1`
[INFO] [stdout]   --> src/file_3.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let travel_1 = travel_history::Conveyance::Car;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_2`
[INFO] [stdout]   --> src/file_3.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let travel_2 = travel_history::Conveyance::Air;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/generics.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let p1 = Point { x: 5, y: 5 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/generics.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let p2 = Point { x: 7.8, y: 8.9 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/iterators.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut check = some_vec.iter().any(|&x| x > 2);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_str`
[INFO] [stdout]   --> src/lifetimes.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn some_fn<'a, 'b>(first_str: &'a str, second_str: &'b str) -> &'a str {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `division` is never used
[INFO] [stdout]  --> src/closures.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn division<F: Fn(f32) -> bool>(x: f32, y: f32, f: F) {
[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/closures.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prints_name` is never used
[INFO] [stdout]   --> src/closures.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn prints_name(name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prints_full_info` is never used
[INFO] [stdout]   --> src/closures.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn prints_full_info(f: fn(&str), some_one: &str, age: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crates_io.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Conveyance` is never used
[INFO] [stdout]  --> src/enums.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Conveyance {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel_allowance` is never used
[INFO] [stdout]  --> src/enums.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Conveyance {
[INFO] [stdout]   | --------------- method in this implementation
[INFO] [stdout] 8 |     fn travel_allowance(&self) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/enums.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Value {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/enums.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]   --> src/enums.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn square(num: Option<i32>) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `division` is never used
[INFO] [stdout]   --> src/enums.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn division(divident: f64, divisor: f64) -> Result<f64, String> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/enums.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/file_2.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub struct Personal_info {
[INFO] [stdout]   |                ------------- field in this struct
[INFO] [stdout] 5 |         pub age: u8,
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Train` is never constructed
[INFO] [stdout]  --> src/file_3.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub enum Conveyance {
[INFO] [stdout]   |              ---------- variant in this enum
[INFO] [stdout] 3 |         Car,
[INFO] [stdout] 4 |         Train,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]  --> src/generics.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn square<T>(x: T) -> T
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/generics.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Point<T, U> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `printing` is never used
[INFO] [stdout]   --> src/generics.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | / impl<T, U> Point<T, U>
[INFO] [stdout] 15 | | where
[INFO] [stdout] 16 | |     T: std::fmt::Debug,
[INFO] [stdout] 17 | |     U: std::fmt::Debug,
[INFO] [stdout]    | |_______________________- method in this implementation
[INFO] [stdout] 18 |   {
[INFO] [stdout] 19 |       fn printing(&self) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/generics.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/hashmaps.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/iterators.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/lifetimes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person<'a> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lifetimes.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_fn` is never used
[INFO] [stdout]   --> src/lifetimes.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn some_fn<'a, 'b>(first_str: &'a str, second_str: &'b str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greater` is never used
[INFO] [stdout]   --> src/lifetimes.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn greater<'a, 'b>(i: &'a i32, j: &'a i32) -> &'a i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/structs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> src/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Student {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralInfor` is never used
[INFO] [stdout]   --> src/structs.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait GeneralInfor {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/structs.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/structs.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralInfo` is never used
[INFO] [stdout]   --> src/structs.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait GeneralInfo {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/structs.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BasicStats` is never used
[INFO] [stdout]   --> src/structs.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 | trait BasicStats {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/structs.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "878dbc8283ea9d705999a143754742a93118eb093656efcf8f8c774b19dda141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878dbc8283ea9d705999a143754742a93118eb093656efcf8f8c774b19dda141", kill_on_drop: false }`
[INFO] [stdout] 878dbc8283ea9d705999a143754742a93118eb093656efcf8f8c774b19dda141
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 46ff7bbe5cc567ce41fc1cda90e022e30d661f47e1d2506b0fa9eecad835dc10
[INFO] running `Command { std: "docker" "start" "-a" "46ff7bbe5cc567ce41fc1cda90e022e30d661f47e1d2506b0fa9eecad835dc10", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::person::Personal_info`
[INFO] [stderr]  --> src/file_2.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use self::person::Personal_info;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Personal_info` should have an upper camel case name
[INFO] [stderr]  --> src/file_2.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub struct Personal_info {
[INFO] [stderr]   |                ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PersonalInfo`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `disease` is never read
[INFO] [stderr]   --> src/enums.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let mut disease = None;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `somebody`
[INFO] [stderr]    --> src/enums.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let somebody = Some(person1);
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_somebody`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `person2`
[INFO] [stderr]   --> src/file_2.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let person2 = person::Personal_info {
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `travel_1`
[INFO] [stderr]   --> src/file_3.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let travel_1 = travel_history::Conveyance::Car;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `travel_2`
[INFO] [stderr]   --> src/file_3.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let travel_2 = travel_history::Conveyance::Air;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]   --> src/generics.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let p1 = Point { x: 5, y: 5 };
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]   --> src/generics.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let p2 = Point { x: 7.8, y: 8.9 };
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/iterators.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut check = some_vec.iter().any(|&x| x > 2);
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second_str`
[INFO] [stderr]   --> src/lifetimes.rs:40:40
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn some_fn<'a, 'b>(first_str: &'a str, second_str: &'b str) -> &'a str {
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_str`
[INFO] [stderr] 
[INFO] [stderr] warning: function `division` is never used
[INFO] [stderr]  --> src/closures.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn division<F: Fn(f32) -> bool>(x: f32, y: f32, f: F) {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/closures.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `prints_name` is never used
[INFO] [stderr]   --> src/closures.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn prints_name(name: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `prints_full_info` is never used
[INFO] [stderr]   --> src/closures.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn prints_full_info(f: fn(&str), some_one: &str, age: i32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/crates_io.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Conveyance` is never used
[INFO] [stderr]  --> src/enums.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Conveyance {
[INFO] [stderr]   |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `travel_allowance` is never used
[INFO] [stderr]  --> src/enums.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl Conveyance {
[INFO] [stderr]   | --------------- method in this implementation
[INFO] [stderr] 8 |     fn travel_allowance(&self) -> f32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Value` is never used
[INFO] [stderr]   --> src/enums.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 | enum Value {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Person` is never constructed
[INFO] [stderr]   --> src/enums.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct Person {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `square` is never used
[INFO] [stderr]   --> src/enums.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn square(num: Option<i32>) -> Option<i32> {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `division` is never used
[INFO] [stderr]   --> src/enums.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn division(divident: f64, divisor: f64) -> Result<f64, String> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/enums.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `age` is never read
[INFO] [stderr]  --> src/file_2.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub struct Personal_info {
[INFO] [stderr]   |                ------------- field in this struct
[INFO] [stderr] 5 |         pub age: u8,
[INFO] [stderr]   |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Train` is never constructed
[INFO] [stderr]  --> src/file_3.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub enum Conveyance {
[INFO] [stderr]   |              ---------- variant in this enum
[INFO] [stderr] 3 |         Car,
[INFO] [stderr] 4 |         Train,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `square` is never used
[INFO] [stderr]  --> src/generics.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn square<T>(x: T) -> T
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Point` is never constructed
[INFO] [stderr]  --> src/generics.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Point<T, U> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `printing` is never used
[INFO] [stderr]   --> src/generics.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | / impl<T, U> Point<T, U>
[INFO] [stderr] 15 | | where
[INFO] [stderr] 16 | |     T: std::fmt::Debug,
[INFO] [stderr] 17 | |     U: std::fmt::Debug,
[INFO] [stderr]    | |_______________________- method in this implementation
[INFO] [stderr] 18 |   {
[INFO] [stderr] 19 |       fn printing(&self) {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/generics.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/hashmaps.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/iterators.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Person` is never constructed
[INFO] [stderr]  --> src/lifetimes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Person<'a> {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/lifetimes.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `some_fn` is never used
[INFO] [stderr]   --> src/lifetimes.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn some_fn<'a, 'b>(first_str: &'a str, second_str: &'b str) -> &'a str {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `greater` is never used
[INFO] [stderr]   --> src/lifetimes.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn greater<'a, 'b>(i: &'a i32, j: &'a i32) -> &'a i32 {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Person` is never constructed
[INFO] [stderr]  --> src/structs.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Person {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Student` is never constructed
[INFO] [stderr]  --> src/structs.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Student {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `GeneralInfor` is never used
[INFO] [stderr]   --> src/structs.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | trait GeneralInfor {
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Circle` is never constructed
[INFO] [stderr]   --> src/structs.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct Circle {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Rectangle` is never constructed
[INFO] [stderr]   --> src/structs.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | struct Rectangle {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `GeneralInfo` is never used
[INFO] [stderr]   --> src/structs.rs:51:7
[INFO] [stderr]    |
[INFO] [stderr] 51 | trait GeneralInfo {
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Data` is never constructed
[INFO] [stderr]   --> src/structs.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 | struct Data {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `BasicStats` is never used
[INFO] [stderr]   --> src/structs.rs:85:7
[INFO] [stderr]    |
[INFO] [stderr] 85 | trait BasicStats {
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/structs.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn main() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `practo` (bin "practo" test) generated 44 warnings (run `cargo fix --bin "practo" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/practo-130044ff7b0688d5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/practo-11c21a542685066d)
[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] running `Command { std: "docker" "inspect" "46ff7bbe5cc567ce41fc1cda90e022e30d661f47e1d2506b0fa9eecad835dc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ff7bbe5cc567ce41fc1cda90e022e30d661f47e1d2506b0fa9eecad835dc10", kill_on_drop: false }`
[INFO] [stdout] 46ff7bbe5cc567ce41fc1cda90e022e30d661f47e1d2506b0fa9eecad835dc10