[INFO] cloning repository https://github.com/Bhavya2662/MTA-Implementation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bhavya2662/MTA-Implementation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBhavya2662%2FMTA-Implementation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBhavya2662%2FMTA-Implementation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d691cfe67633b628f6af545d3ab80a48a475dc62
[INFO] checking Bhavya2662/MTA-Implementation against master#43a4909ee98ed4d006d9d773f5d94dc58e34f846 for pr-157576
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBhavya2662%2FMTA-Implementation" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bhavya2662/MTA-Implementation
[INFO] finished tweaking git repo https://github.com/Bhavya2662/MTA-Implementation
[INFO] tweaked toml for git repo https://github.com/Bhavya2662/MTA-Implementation written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bhavya2662/MTA-Implementation on toolchain 43a4909ee98ed4d006d9d773f5d94dc58e34f846
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bhavya2662/MTA-Implementation 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" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "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-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "f84b0659e29794222dcf3ad972ef231f14f87da0c597995ee96fe93d3c753ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f84b0659e29794222dcf3ad972ef231f14f87da0c597995ee96fe93d3c753ff5" "/opt/rustwide/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f84b0659e29794222dcf3ad972ef231f14f87da0c597995ee96fe93d3c753ff5", kill_on_drop: false }`
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[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | mod lib;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | mod lib;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut bytes = num_bigint.to_str_radix(16);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scalar_to_string` is never used
[INFO] [stdout]   --> src/main.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn scalar_to_string(scalar: &Scalar<Secp256k1>) -> 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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut bytes = num_bigint.to_str_radix(16);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scalar_to_string` is never used
[INFO] [stdout]   --> src/main.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn scalar_to_string(scalar: &Scalar<Secp256k1>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.76s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f84b0659e29794222dcf3ad972ef231f14f87da0c597995ee96fe93d3c753ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84b0659e29794222dcf3ad972ef231f14f87da0c597995ee96fe93d3c753ff5", kill_on_drop: false }`
[INFO] [stdout] f84b0659e29794222dcf3ad972ef231f14f87da0c597995ee96fe93d3c753ff5
