[INFO] cloning repository https://github.com/Farhanaziz95/Rust_Codes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Farhanaziz95/Rust_Codes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarhanaziz95%2FRust_Codes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarhanaziz95%2FRust_Codes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 532b40a99af1e3f360463a21ce4fdc6176578313
[INFO] checking Farhanaziz95/Rust_Codes against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarhanaziz95%2FRust_Codes" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Farhanaziz95/Rust_Codes on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Farhanaziz95/Rust_Codes
[INFO] finished tweaking git repo https://github.com/Farhanaziz95/Rust_Codes
[INFO] tweaked toml for git repo https://github.com/Farhanaziz95/Rust_Codes written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Farhanaziz95/Rust_Codes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46d37bf2f2191c1b4247f7fc287a9750b4cfe74190b3094cd38183cabf4d7a32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "46d37bf2f2191c1b4247f7fc287a9750b4cfe74190b3094cd38183cabf4d7a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46d37bf2f2191c1b4247f7fc287a9750b4cfe74190b3094cd38183cabf4d7a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d37bf2f2191c1b4247f7fc287a9750b4cfe74190b3094cd38183cabf4d7a32", kill_on_drop: false }`
[INFO] [stdout] 46d37bf2f2191c1b4247f7fc287a9750b4cfe74190b3094cd38183cabf4d7a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649b9a5cc8aa45a3f467a808f32b9066e64fdd2f893bfeed0a6483e0b23754f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "649b9a5cc8aa45a3f467a808f32b9066e64fdd2f893bfeed0a6483e0b23754f5", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_codes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]  --> src/practice_work/my_way_of_pattren.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |  for i in {1..6} {
[INFO] [stdout]   |           ^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]  --> src/practice_work/my_way_of_pattren.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |  for i in {1..6} {
[INFO] [stdout]   |           ^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "649b9a5cc8aa45a3f467a808f32b9066e64fdd2f893bfeed0a6483e0b23754f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649b9a5cc8aa45a3f467a808f32b9066e64fdd2f893bfeed0a6483e0b23754f5", kill_on_drop: false }`
[INFO] [stdout] 649b9a5cc8aa45a3f467a808f32b9066e64fdd2f893bfeed0a6483e0b23754f5