[INFO] cloning repository https://github.com/Null-Root/Rust-Notes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Null-Root/Rust-Notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNull-Root%2FRust-Notes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNull-Root%2FRust-Notes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd72d088d51c298fe3fda882181f6c8177532d76
[INFO] testing Null-Root/Rust-Notes against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNull-Root%2FRust-Notes" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Null-Root/Rust-Notes
[INFO] finished tweaking git repo https://github.com/Null-Root/Rust-Notes
[INFO] tweaked toml for git repo https://github.com/Null-Root/Rust-Notes written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Null-Root/Rust-Notes on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Null-Root/Rust-Notes 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b67b0fba48dbb444bd530dc1275caa372fdc22142bc4011a91de17b5b03bd2b1
[INFO] running `Command { std: "docker" "start" "-a" "b67b0fba48dbb444bd530dc1275caa372fdc22142bc4011a91de17b5b03bd2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b67b0fba48dbb444bd530dc1275caa372fdc22142bc4011a91de17b5b03bd2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67b0fba48dbb444bd530dc1275caa372fdc22142bc4011a91de17b5b03bd2b1", kill_on_drop: false }`
[INFO] [stdout] b67b0fba48dbb444bd530dc1275caa372fdc22142bc4011a91de17b5b03bd2b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd88f5e331d9724b88aa7a38b05d9c4e4d1a78422aa7a222b633690d43c21f93
[INFO] running `Command { std: "docker" "start" "-a" "bd88f5e331d9724b88aa7a38b05d9c4e4d1a78422aa7a222b633690d43c21f93", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s1`
[INFO] [stdout]   --> src/enums_file.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let s1 = SomeStructAgain {
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/enums_file.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let s2 = SomeStructAgain {
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]   --> src/enums_file.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let home = IpAddr::V4(String::from("127.0.0.1"));
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loopback`
[INFO] [stdout]   --> src/enums_file.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let loopback = IpAddr::V6(String::from("::1"));
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]  --> src/vectors_file.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let v1: Vec<i32> = Vec::new();
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/vectors_file.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let v2 = vec![1, 2, 3];
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `does_not_exist`
[INFO] [stdout]   --> src/vectors_file.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let does_not_exist = &v[100];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `does_not_exist`
[INFO] [stdout]   --> src/vectors_file.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let does_not_exist = v.get(100);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut a = 2;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let ( d, e, f ) = tup;
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let ( d, e, f ) = tup;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let ( d, e, f ) = tup;
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `global_c` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const global_c: &str = "sasda";
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ThisIsEnum` is never used
[INFO] [stdout]  --> src/enums_file.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum ThisIsEnum {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeStructAgain` is never constructed
[INFO] [stdout]  --> src/enums_file.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     struct SomeStructAgain {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddr` is never used
[INFO] [stdout]   --> src/enums_file.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     enum IpAddr {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_func` is never used
[INFO] [stdout]   --> src/enums_file.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn some_func() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SampleStruct` is never constructed
[INFO] [stdout]  --> src/structs_file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     struct SampleStruct {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_user` is never used
[INFO] [stdout]   --> src/structs_file.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     impl SampleStruct {
[INFO] [stdout]    |     ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |         fn set_user(&mut self, value: String) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_user_1` and `get_user_2` are never used
[INFO] [stdout]   --> src/structs_file.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     impl SampleStruct {
[INFO] [stdout]    |     ----------------- methods in this implementation
[INFO] [stdout] 21 |         fn get_user_1(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |         fn get_user_2(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `static_shit` is never used
[INFO] [stdout]   --> src/structs_file.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     impl SampleStruct {
[INFO] [stdout]    |     ----------------- associated function in this implementation
[INFO] [stdout] 31 |         fn static_shit(param1: u32, param2: u32) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SomeTrait` is never used
[INFO] [stdout]   --> src/structs_file.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |     trait SomeTrait {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_func` is never used
[INFO] [stdout]  --> src/vectors_file.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn some_func() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `global_c` should have an upper case name
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const global_c: &str = "sasda";
[INFO] [stdout]   |       ^^^^^^^^ help: convert the identifier to upper case: `GLOBAL_C`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bd88f5e331d9724b88aa7a38b05d9c4e4d1a78422aa7a222b633690d43c21f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd88f5e331d9724b88aa7a38b05d9c4e4d1a78422aa7a222b633690d43c21f93", kill_on_drop: false }`
[INFO] [stdout] bd88f5e331d9724b88aa7a38b05d9c4e4d1a78422aa7a222b633690d43c21f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 662adacc345c9fe43495941f3e4a2e2e982848341217f5dea4627186995c5fdf
[INFO] running `Command { std: "docker" "start" "-a" "662adacc345c9fe43495941f3e4a2e2e982848341217f5dea4627186995c5fdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s1`
[INFO] [stdout]   --> src/enums_file.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let s1 = SomeStructAgain {
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/enums_file.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let s2 = SomeStructAgain {
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]   --> src/enums_file.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let home = IpAddr::V4(String::from("127.0.0.1"));
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loopback`
[INFO] [stdout]   --> src/enums_file.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let loopback = IpAddr::V6(String::from("::1"));
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]  --> src/vectors_file.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let v1: Vec<i32> = Vec::new();
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/vectors_file.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let v2 = vec![1, 2, 3];
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `does_not_exist`
[INFO] [stdout]   --> src/vectors_file.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let does_not_exist = &v[100];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `does_not_exist`
[INFO] [stdout]   --> src/vectors_file.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let does_not_exist = v.get(100);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut a = 2;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let ( d, e, f ) = tup;
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let ( d, e, f ) = tup;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let ( d, e, f ) = tup;
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `global_c` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const global_c: &str = "sasda";
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ThisIsEnum` is never used
[INFO] [stdout]  --> src/enums_file.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum ThisIsEnum {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeStructAgain` is never constructed
[INFO] [stdout]  --> src/enums_file.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     struct SomeStructAgain {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddr` is never used
[INFO] [stdout]   --> src/enums_file.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     enum IpAddr {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_func` is never used
[INFO] [stdout]   --> src/enums_file.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn some_func() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SampleStruct` is never constructed
[INFO] [stdout]  --> src/structs_file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     struct SampleStruct {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_user` is never used
[INFO] [stdout]   --> src/structs_file.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     impl SampleStruct {
[INFO] [stdout]    |     ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |         fn set_user(&mut self, value: String) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_user_1` and `get_user_2` are never used
[INFO] [stdout]   --> src/structs_file.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     impl SampleStruct {
[INFO] [stdout]    |     ----------------- methods in this implementation
[INFO] [stdout] 21 |         fn get_user_1(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |         fn get_user_2(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `static_shit` is never used
[INFO] [stdout]   --> src/structs_file.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     impl SampleStruct {
[INFO] [stdout]    |     ----------------- associated function in this implementation
[INFO] [stdout] 31 |         fn static_shit(param1: u32, param2: u32) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SomeTrait` is never used
[INFO] [stdout]   --> src/structs_file.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |     trait SomeTrait {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_func` is never used
[INFO] [stdout]  --> src/vectors_file.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn some_func() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `global_c` should have an upper case name
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const global_c: &str = "sasda";
[INFO] [stdout]   |       ^^^^^^^^ help: convert the identifier to upper case: `GLOBAL_C`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "662adacc345c9fe43495941f3e4a2e2e982848341217f5dea4627186995c5fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662adacc345c9fe43495941f3e4a2e2e982848341217f5dea4627186995c5fdf", kill_on_drop: false }`
[INFO] [stdout] 662adacc345c9fe43495941f3e4a2e2e982848341217f5dea4627186995c5fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9753ea93852194c9ae8bd099feb5e6f934439752ff5c3da1faa3b1816c32a62
[INFO] running `Command { std: "docker" "start" "-a" "d9753ea93852194c9ae8bd099feb5e6f934439752ff5c3da1faa3b1816c32a62", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `s1`
[INFO] [stdout] 
[INFO] [stderr]   --> src/enums_file.rs:22:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 22 |         let s1 = SomeStructAgain {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s1`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]   --> src/enums_file.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let s2 = SomeStructAgain {
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `home`
[INFO] [stderr]   --> src/enums_file.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let home = IpAddr::V4(String::from("127.0.0.1"));
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loopback`
[INFO] [stderr]   --> src/enums_file.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let loopback = IpAddr::V6(String::from("::1"));
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v1`
[INFO] [stderr]  --> src/vectors_file.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |         let v1: Vec<i32> = Vec::new();
[INFO] [stderr]   |             ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]  --> src/vectors_file.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let v2 = vec![1, 2, 3];
[INFO] [stderr]   |             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `does_not_exist`
[INFO] [stderr]   --> src/vectors_file.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let does_not_exist = &v[100];
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `does_not_exist`
[INFO] [stderr]   --> src/vectors_file.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let does_not_exist = v.get(100);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a` is never read
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut a = 2;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/main.rs:42:11
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let ( d, e, f ) = tup;
[INFO] [stderr]    |           ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let ( d, e, f ) = tup;
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/main.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let ( d, e, f ) = tup;
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `global_c` is never used
[INFO] [stderr]  --> src/main.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const global_c: &str = "sasda";
[INFO] [stderr]   |       ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ThisIsEnum` is never used
[INFO] [stderr]  --> src/enums_file.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 |     enum ThisIsEnum {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SomeStructAgain` is never constructed
[INFO] [stderr]  --> src/enums_file.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     struct SomeStructAgain {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `IpAddr` is never used
[INFO] [stderr]   --> src/enums_file.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |     enum IpAddr {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `some_func` is never used
[INFO] [stderr]   --> src/enums_file.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn some_func() {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SampleStruct` is never constructed
[INFO] [stderr]  --> src/structs_file.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     struct SampleStruct {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_user` is never used
[INFO] [stderr]   --> src/structs_file.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     impl SampleStruct {
[INFO] [stderr]    |     ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 14 |         fn set_user(&mut self, value: String) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_user_1` and `get_user_2` are never used
[INFO] [stderr]   --> src/structs_file.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     impl SampleStruct {
[INFO] [stderr]    |     ----------------- methods in this implementation
[INFO] [stderr] 21 |         fn get_user_1(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |         fn get_user_2(&self) -> &str {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `static_shit` is never used
[INFO] [stderr]   --> src/structs_file.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     impl SampleStruct {
[INFO] [stderr]    |     ----------------- associated function in this implementation
[INFO] [stderr] 31 |         fn static_shit(param1: u32, param2: u32) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `SomeTrait` is never used
[INFO] [stderr]   --> src/structs_file.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 |     trait SomeTrait {
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `some_func` is never used
[INFO] [stderr]  --> src/vectors_file.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn some_func() {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `global_c` should have an upper case name
[INFO] [stderr]  --> src/main.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const global_c: &str = "sasda";
[INFO] [stderr]   |       ^^^^^^^^ help: convert the identifier to upper case: `GLOBAL_C`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `guessing_game` (bin "guessing_game" test) generated 24 warnings (run `cargo fix --bin "guessing_game" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-87f31cb70da9dcc5)
[INFO] running `Command { std: "docker" "inspect" "d9753ea93852194c9ae8bd099feb5e6f934439752ff5c3da1faa3b1816c32a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9753ea93852194c9ae8bd099feb5e6f934439752ff5c3da1faa3b1816c32a62", kill_on_drop: false }`
[INFO] [stdout] d9753ea93852194c9ae8bd099feb5e6f934439752ff5c3da1faa3b1816c32a62