Dec 04 22:02:39.983 INFO checking banziha104/RustSample against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:02:39.983 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 22:02:40.499 INFO [stdout] 04af880a3a0b1762deacb2e6d1ef64b0570048e6b3962756fd7dbd0613617c0b
Dec 04 22:02:40.501 INFO running `"docker" "start" "-a" "04af880a3a0b1762deacb2e6d1ef64b0570048e6b3962756fd7dbd0613617c0b"`
Dec 04 22:02:41.977 INFO [stderr] usermod: no changes
Dec 04 22:02:42.035 INFO [stderr]     Checking RustSample v0.1.0 (/source)
Dec 04 22:02:42.827 INFO [stderr] warning: unused import: `std::thread`
Dec 04 22:02:42.827 INFO [stderr]  --> src/main.rs:1:5
Dec 04 22:02:42.827 INFO [stderr]   |
Dec 04 22:02:42.827 INFO [stderr] 1 | use std::thread;
Dec 04 22:02:42.827 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 22:02:42.827 INFO [stderr]   |
Dec 04 22:02:42.827 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 22:02:42.827 INFO [stderr] 
Dec 04 22:02:42.867 INFO [stderr] warning: crate `RustSample` should have a snake case name such as `rust_sample`
Dec 04 22:02:42.867 INFO [stderr]   |
Dec 04 22:02:42.867 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 22:02:42.867 INFO [stderr] 
Dec 04 22:02:42.891 INFO [stderr] warning: function `returnFormat` should have a snake case name such as `return_format`
Dec 04 22:02:42.891 INFO [stderr]  --> src/main.rs:4:1
Dec 04 22:02:42.891 INFO [stderr]   |
Dec 04 22:02:42.891 INFO [stderr] 4 | / fn returnFormat(i : i32) -> String{
Dec 04 22:02:42.891 INFO [stderr] 5 | |     format!("{}",i)
Dec 04 22:02:42.891 INFO [stderr] 6 | | }
Dec 04 22:02:42.891 INFO [stderr]   | |_^
Dec 04 22:02:42.891 INFO [stderr] 
Dec 04 22:02:42.963 INFO [stderr] warning: unused import: `std::thread`
Dec 04 22:02:42.963 INFO [stderr]  --> src/main.rs:1:5
Dec 04 22:02:42.963 INFO [stderr]   |
Dec 04 22:02:42.963 INFO [stderr] 1 | use std::thread;
Dec 04 22:02:42.963 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 22:02:42.963 INFO [stderr]   |
Dec 04 22:02:42.963 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 22:02:42.963 INFO [stderr] 
Dec 04 22:02:42.987 INFO [stderr] warning: crate `RustSample` should have a snake case name such as `rust_sample`
Dec 04 22:02:42.987 INFO [stderr]   |
Dec 04 22:02:42.987 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 22:02:42.987 INFO [stderr] 
Dec 04 22:02:42.987 INFO [stderr] warning: function `returnFormat` should have a snake case name such as `return_format`
Dec 04 22:02:42.987 INFO [stderr]  --> src/main.rs:4:1
Dec 04 22:02:42.987 INFO [stderr]   |
Dec 04 22:02:42.987 INFO [stderr] 4 | / fn returnFormat(i : i32) -> String{
Dec 04 22:02:42.987 INFO [stderr] 5 | |     format!("{}",i)
Dec 04 22:02:42.987 INFO [stderr] 6 | | }
Dec 04 22:02:42.987 INFO [stderr]   | |_^
Dec 04 22:02:42.987 INFO [stderr] 
Dec 04 22:02:43.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 04 22:02:43.023 INFO [stderr] su: No module specific data is present
Dec 04 22:02:43.982 INFO running `"docker" "inspect" "04af880a3a0b1762deacb2e6d1ef64b0570048e6b3962756fd7dbd0613617c0b"`
Dec 04 22:02:44.179 INFO running `"docker" "rm" "-f" "04af880a3a0b1762deacb2e6d1ef64b0570048e6b3962756fd7dbd0613617c0b"`
Dec 04 22:02:44.443 INFO [stdout] 04af880a3a0b1762deacb2e6d1ef64b0570048e6b3962756fd7dbd0613617c0b