Oct 27 12:37:32.593 INFO checking BenjaminGuenin/rust-programming-tutorial against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 12:37:32.595 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 12:37:33.195 INFO blam! f643015475feb69a481f657619fd672295a385be31baf923d1fb130a89e2da79
Oct 27 12:37:33.197 INFO running `"docker" "start" "-a" "f643015475feb69a481f657619fd672295a385be31baf923d1fb130a89e2da79"`
Oct 27 12:37:34.435 INFO kablam! usermod: no changes
Oct 27 12:37:34.531 INFO kablam!     Checking rust-programming-tutorial v0.1.0 (/source)
Oct 27 12:37:35.354 INFO kablam! warning: unused variable: `immutable_string`
Oct 27 12:37:35.354 INFO kablam!  --> src/main.rs:3:9
Oct 27 12:37:35.354 INFO kablam!   |
Oct 27 12:37:35.354 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Oct 27 12:37:35.354 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Oct 27 12:37:35.354 INFO kablam!   |
Oct 27 12:37:35.354 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 27 12:37:35.354 INFO kablam! 
Oct 27 12:37:35.354 INFO kablam! warning: unused variable: `s`
Oct 27 12:37:35.354 INFO kablam!   --> src/main.rs:11:13
Oct 27 12:37:35.354 INFO kablam!    |
Oct 27 12:37:35.354 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Oct 27 12:37:35.354 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 27 12:37:35.354 INFO kablam! 
Oct 27 12:37:35.359 INFO kablam! warning: unused variable: `immutable_string`
Oct 27 12:37:35.359 INFO kablam!  --> src/main.rs:3:9
Oct 27 12:37:35.359 INFO kablam!   |
Oct 27 12:37:35.359 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Oct 27 12:37:35.359 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Oct 27 12:37:35.359 INFO kablam!   |
Oct 27 12:37:35.359 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 27 12:37:35.359 INFO kablam! 
Oct 27 12:37:35.359 INFO kablam! warning: unused variable: `s`
Oct 27 12:37:35.359 INFO kablam!   --> src/main.rs:11:13
Oct 27 12:37:35.359 INFO kablam!    |
Oct 27 12:37:35.359 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Oct 27 12:37:35.359 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 27 12:37:35.359 INFO kablam! 
Oct 27 12:37:35.407 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Oct 27 12:37:35.407 INFO kablam! su: No module specific data is present
Oct 27 12:37:36.269 INFO running `"docker" "rm" "-f" "f643015475feb69a481f657619fd672295a385be31baf923d1fb130a89e2da79"`
Oct 27 12:37:36.479 INFO blam! f643015475feb69a481f657619fd672295a385be31baf923d1fb130a89e2da79