[INFO] cloning repository https://github.com/goktugeken/patika.dev.task2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goktugeken/patika.dev.task2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoktugeken%2Fpatika.dev.task2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoktugeken%2Fpatika.dev.task2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dc80ca94f2a3738fef97cf3a708c2efb88a21b3
[INFO] checking goktugeken/patika.dev.task2 against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoktugeken%2Fpatika.dev.task2" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goktugeken/patika.dev.task2 on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/goktugeken/patika.dev.task2
[INFO] finished tweaking git repo https://github.com/goktugeken/patika.dev.task2
[INFO] tweaked toml for git repo https://github.com/goktugeken/patika.dev.task2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/goktugeken/patika.dev.task2 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 177abc86aeaaf81dd15ecad531514b83d3540f26074de2c5d769df347fe16434
[INFO] running `Command { std: "docker" "start" "-a" "177abc86aeaaf81dd15ecad531514b83d3540f26074de2c5d769df347fe16434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177abc86aeaaf81dd15ecad531514b83d3540f26074de2c5d769df347fe16434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177abc86aeaaf81dd15ecad531514b83d3540f26074de2c5d769df347fe16434", kill_on_drop: false }`
[INFO] [stdout] 177abc86aeaaf81dd15ecad531514b83d3540f26074de2c5d769df347fe16434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4066b0b4e15c40b557d192b9aed67d52685fb68d06d46508d93f1a0aa5fa80f
[INFO] running `Command { std: "docker" "start" "-a" "e4066b0b4e15c40b557d192b9aed67d52685fb68d06d46508d93f1a0aa5fa80f", kill_on_drop: false }`
[INFO] [stderr]     Checking project2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut a=10.0;
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut b=20.0;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `square_root_Result` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let square_root_Result=find_square_root(number);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `square_root_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut a=10.0;
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut b=20.0;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `square_root_Result` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let square_root_Result=find_square_root(number);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `square_root_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e4066b0b4e15c40b557d192b9aed67d52685fb68d06d46508d93f1a0aa5fa80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4066b0b4e15c40b557d192b9aed67d52685fb68d06d46508d93f1a0aa5fa80f", kill_on_drop: false }`
[INFO] [stdout] e4066b0b4e15c40b557d192b9aed67d52685fb68d06d46508d93f1a0aa5fa80f