Nov 28 08:54:49.627 INFO checking banziha104/RustSample against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 08:54:49.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 08:54:50.070 INFO [stdout] 261ae6b4b811851e942eab5323a1abb349b966b166cc4644b69a8df4d5db1464
Nov 28 08:54:50.073 INFO running `"docker" "start" "-a" "261ae6b4b811851e942eab5323a1abb349b966b166cc4644b69a8df4d5db1464"`
Nov 28 08:54:51.171 INFO [stderr] usermod: no changes
Nov 28 08:54:51.213 INFO [stderr]     Checking RustSample v0.1.0 (/source)
Nov 28 08:54:51.596 INFO [stderr] warning: unused import: `std::thread`
Nov 28 08:54:51.596 INFO [stderr]  --> src/main.rs:1:5
Nov 28 08:54:51.596 INFO [stderr]   |
Nov 28 08:54:51.596 INFO [stderr] 1 | use std::thread;
Nov 28 08:54:51.596 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 08:54:51.596 INFO [stderr]   |
Nov 28 08:54:51.596 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:54:51.596 INFO [stderr] 
Nov 28 08:54:51.606 INFO [stderr] warning: crate `RustSample` should have a snake case name such as `rust_sample`
Nov 28 08:54:51.606 INFO [stderr]   |
Nov 28 08:54:51.606 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 08:54:51.606 INFO [stderr] 
Nov 28 08:54:51.606 INFO [stderr] warning: function `returnFormat` should have a snake case name such as `return_format`
Nov 28 08:54:51.607 INFO [stderr]  --> src/main.rs:4:1
Nov 28 08:54:51.607 INFO [stderr]   |
Nov 28 08:54:51.607 INFO [stderr] 4 | / fn returnFormat(i : i32) -> String{
Nov 28 08:54:51.607 INFO [stderr] 5 | |     format!("{}",i)
Nov 28 08:54:51.607 INFO [stderr] 6 | | }
Nov 28 08:54:51.607 INFO [stderr]   | |_^
Nov 28 08:54:51.607 INFO [stderr] 
Nov 28 08:54:51.716 INFO [stderr] warning: unused import: `std::thread`
Nov 28 08:54:51.717 INFO [stderr]  --> src/main.rs:1:5
Nov 28 08:54:51.717 INFO [stderr]   |
Nov 28 08:54:51.717 INFO [stderr] 1 | use std::thread;
Nov 28 08:54:51.717 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 08:54:51.718 INFO [stderr]   |
Nov 28 08:54:51.718 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:54:51.718 INFO [stderr] 
Nov 28 08:54:51.737 INFO [stderr] warning: crate `RustSample` should have a snake case name such as `rust_sample`
Nov 28 08:54:51.737 INFO [stderr]   |
Nov 28 08:54:51.737 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 08:54:51.737 INFO [stderr] 
Nov 28 08:54:51.737 INFO [stderr] warning: function `returnFormat` should have a snake case name such as `return_format`
Nov 28 08:54:51.737 INFO [stderr]  --> src/main.rs:4:1
Nov 28 08:54:51.737 INFO [stderr]   |
Nov 28 08:54:51.737 INFO [stderr] 4 | / fn returnFormat(i : i32) -> String{
Nov 28 08:54:51.737 INFO [stderr] 5 | |     format!("{}",i)
Nov 28 08:54:51.737 INFO [stderr] 6 | | }
Nov 28 08:54:51.737 INFO [stderr]   | |_^
Nov 28 08:54:51.737 INFO [stderr] 
Nov 28 08:54:51.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Nov 28 08:54:51.751 INFO [stderr] su: No module specific data is present
Nov 28 08:54:52.334 INFO running `"docker" "inspect" "261ae6b4b811851e942eab5323a1abb349b966b166cc4644b69a8df4d5db1464"`
Nov 28 08:54:52.617 INFO running `"docker" "rm" "-f" "261ae6b4b811851e942eab5323a1abb349b966b166cc4644b69a8df4d5db1464"`
Nov 28 08:54:52.904 INFO [stdout] 261ae6b4b811851e942eab5323a1abb349b966b166cc4644b69a8df4d5db1464