[INFO] cloning repository https://github.com/sanikommushirisha/rusty-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sanikommushirisha/rusty-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanikommushirisha%2Frusty-experiments", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 552b189e0780f25bf45da9147a399e5fb2fd8880
[INFO] checking sanikommushirisha/rusty-experiments against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanikommushirisha%2Frusty-experiments" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sanikommushirisha/rusty-experiments
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[INFO] validating manifest of git repo https://github.com/sanikommushirisha/rusty-experiments on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sanikommushirisha/rusty-experiments 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" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[ERROR] error running command: no output for 300 seconds
[INFO] checking sanikommushirisha/rusty-experiments against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanikommushirisha%2Frusty-experiments" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/sanikommushirisha/rusty-experiments on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sanikommushirisha/rusty-experiments 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" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stderr]     Checking rusty-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `spaces`
[INFO] [stdout]   --> src/varaibles.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let spaces = spaces.len(); // Shadowing: Same name for different variables & different type. No naming headache
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_spaces`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guess`
[INFO] [stdout]   --> src/varaibles.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let guess: u32 = "42".parse().expect("Not a number!");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/ownership.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let y = x; // Integer implements copy trait, so it is copied rather than moved. 
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_input` is never used
[INFO] [stdout]  --> src/guess_input.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn guess_input() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guessing_game` is never used
[INFO] [stdout]  --> src/guessing_game.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn guessing_game() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variables` is never used
[INFO] [stdout]  --> src/varaibles.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn variables() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `another_function` is never used
[INFO] [stdout]   --> src/varaibles.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn another_function(x: i32, y: i32) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loops` is never used
[INFO] [stdout]  --> src/loops.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn loops() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_from_c_to_fh` is never used
[INFO] [stdout]   --> src/loops.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn convert_from_c_to_fh(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spaces`
[INFO] [stdout]   --> src/varaibles.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let spaces = spaces.len(); // Shadowing: Same name for different variables & different type. No naming headache
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_spaces`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guess`
[INFO] [stdout]   --> src/varaibles.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let guess: u32 = "42".parse().expect("Not a number!");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/ownership.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let y = x; // Integer implements copy trait, so it is copied rather than moved. 
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_input` is never used
[INFO] [stdout]  --> src/guess_input.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn guess_input() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guessing_game` is never used
[INFO] [stdout]  --> src/guessing_game.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn guessing_game() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variables` is never used
[INFO] [stdout]  --> src/varaibles.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn variables() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `another_function` is never used
[INFO] [stdout]   --> src/varaibles.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn another_function(x: i32, y: i32) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loops` is never used
[INFO] [stdout]  --> src/loops.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn loops() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_from_c_to_fh` is never used
[INFO] [stdout]   --> src/loops.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn convert_from_c_to_fh(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `io`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | io = "0.0.2"
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `io`
[INFO] [stderr] warning: `rusty-experiments` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.89s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: primitive-types v0.12.2, primitive-types v0.13.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d3e993c824214204f6987640d4bbdaa72ddd81b513e6594f37d7013701119605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e993c824214204f6987640d4bbdaa72ddd81b513e6594f37d7013701119605", kill_on_drop: false }`
[INFO] [stdout] d3e993c824214204f6987640d4bbdaa72ddd81b513e6594f37d7013701119605
