Dec 19 21:08:33.985 INFO checking aarthiKarthik/Rust-Basics against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:08:33.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/aarthiKarthik/Rust-Basics:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:08:34.212 INFO [stdout] b0b7c925f08bbf3f791016890b5f7927f37573f13fffa7f98951a21d17a2d98b
Dec 19 21:08:34.232 INFO running `"docker" "start" "-a" "b0b7c925f08bbf3f791016890b5f7927f37573f13fffa7f98951a21d17a2d98b"`
Dec 19 21:08:34.897 INFO [stderr]     Checking hello_world v0.0.1 (/opt/crater/workdir)
Dec 19 21:08:34.952 INFO [stderr] warning: unknown lint: `unused_variable`
Dec 19 21:08:34.952 INFO [stderr]  --> src/main.rs:2:10
Dec 19 21:08:34.952 INFO [stderr]   |
Dec 19 21:08:34.952 INFO [stderr] 2 | #![allow(unused_variable)]
Dec 19 21:08:34.952 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Dec 19 21:08:34.952 INFO [stderr]   |
Dec 19 21:08:34.952 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 19 21:08:34.952 INFO [stderr] 
Dec 19 21:08:34.952 INFO [stderr] warning: unknown lint: `unused_variable`
Dec 19 21:08:34.952 INFO [stderr]  --> src/main.rs:2:10
Dec 19 21:08:34.952 INFO [stderr]   |
Dec 19 21:08:34.952 INFO [stderr] 2 | #![allow(unused_variable)]
Dec 19 21:08:34.952 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Dec 19 21:08:34.952 INFO [stderr]   |
Dec 19 21:08:34.952 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 19 21:08:34.952 INFO [stderr] 
Dec 19 21:08:35.103 INFO [stderr] warning: unused variable: `a`
Dec 19 21:08:35.103 INFO [stderr]   --> src/main.rs:88:6
Dec 19 21:08:35.103 INFO [stderr]    |
Dec 19 21:08:35.103 INFO [stderr] 88 |     let a = 123;
Dec 19 21:08:35.103 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 19 21:08:35.103 INFO [stderr]    |
Dec 19 21:08:35.103 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:08:35.103 INFO [stderr] 
Dec 19 21:08:35.126 INFO [stderr] warning: unused variable: `a`
Dec 19 21:08:35.126 INFO [stderr]   --> src/main.rs:88:6
Dec 19 21:08:35.126 INFO [stderr]    |
Dec 19 21:08:35.126 INFO [stderr] 88 |     let a = 123;
Dec 19 21:08:35.126 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 19 21:08:35.126 INFO [stderr]    |
Dec 19 21:08:35.126 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:08:35.126 INFO [stderr] 
Dec 19 21:08:35.153 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Dec 19 21:08:35.392 INFO running `"docker" "inspect" "b0b7c925f08bbf3f791016890b5f7927f37573f13fffa7f98951a21d17a2d98b"`
Dec 19 21:08:35.505 INFO running `"docker" "rm" "-f" "b0b7c925f08bbf3f791016890b5f7927f37573f13fffa7f98951a21d17a2d98b"`
Dec 19 21:08:35.602 INFO [stdout] b0b7c925f08bbf3f791016890b5f7927f37573f13fffa7f98951a21d17a2d98b