Nov 28 14:26:25.409 INFO checking BenjaminGuenin/rust-programming-tutorial against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:26:25.410 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14:26:25.859 INFO [stdout] b6470c8a481f5452e716d3851eac736de13d03d285934945c182779a76fd4cce
Nov 28 14:26:25.861 INFO running `"docker" "start" "-a" "b6470c8a481f5452e716d3851eac736de13d03d285934945c182779a76fd4cce"`
Nov 28 14:26:27.327 INFO [stderr] usermod: no changes
Nov 28 14:26:27.424 INFO [stderr]     Checking rust-programming-tutorial v0.1.0 (/source)
Nov 28 14:26:28.230 INFO [stderr] warning: unused variable: `immutable_string`
Nov 28 14:26:28.230 INFO [stderr]  --> src/main.rs:3:9
Nov 28 14:26:28.230 INFO [stderr]   |
Nov 28 14:26:28.230 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 28 14:26:28.230 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 28 14:26:28.231 INFO [stderr]   |
Nov 28 14:26:28.231 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 28 14:26:28.231 INFO [stderr] 
Nov 28 14:26:28.231 INFO [stderr] warning: unused variable: `s`
Nov 28 14:26:28.231 INFO [stderr]   --> src/main.rs:11:13
Nov 28 14:26:28.231 INFO [stderr]    |
Nov 28 14:26:28.232 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 28 14:26:28.232 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 28 14:26:28.240 INFO [stderr] 
Nov 28 14:26:28.316 INFO [stderr] warning: unused variable: `immutable_string`
Nov 28 14:26:28.316 INFO [stderr]  --> src/main.rs:3:9
Nov 28 14:26:28.316 INFO [stderr]   |
Nov 28 14:26:28.317 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 28 14:26:28.317 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 28 14:26:28.317 INFO [stderr]   |
Nov 28 14:26:28.324 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 28 14:26:28.325 INFO [stderr] 
Nov 28 14:26:28.325 INFO [stderr] warning: unused variable: `s`
Nov 28 14:26:28.325 INFO [stderr]   --> src/main.rs:11:13
Nov 28 14:26:28.325 INFO [stderr]    |
Nov 28 14:26:28.326 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 28 14:26:28.326 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 28 14:26:28.326 INFO [stderr] 
Nov 28 14:26:28.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Nov 28 14:26:28.351 INFO [stderr] su: No module specific data is present
Nov 28 14:26:29.111 INFO running `"docker" "inspect" "b6470c8a481f5452e716d3851eac736de13d03d285934945c182779a76fd4cce"`
Nov 28 14:26:29.339 INFO running `"docker" "rm" "-f" "b6470c8a481f5452e716d3851eac736de13d03d285934945c182779a76fd4cce"`
Nov 28 14:26:29.597 INFO [stdout] b6470c8a481f5452e716d3851eac736de13d03d285934945c182779a76fd4cce