Oct 13 05:28:41.032 INFO checking BenjaminGuenin/rust-programming-tutorial against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 05:28:41.034 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 13 05:28:41.505 INFO blam! 99c5ea2a4b8331937ed614dcd0f5f2ae48a2281a00957b324f2a062171281762
Oct 13 05:28:41.507 INFO running `"docker" "start" "-a" "99c5ea2a4b8331937ed614dcd0f5f2ae48a2281a00957b324f2a062171281762"`
Oct 13 05:28:42.597 INFO kablam! usermod: no changes
Oct 13 05:28:42.716 INFO kablam!     Checking rust-programming-tutorial v0.1.0 (/source)
Oct 13 05:28:43.529 INFO kablam! warning: unused variable: `immutable_string`
Oct 13 05:28:43.529 INFO kablam!  --> src/main.rs:3:9
Oct 13 05:28:43.529 INFO kablam!   |
Oct 13 05:28:43.529 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Oct 13 05:28:43.529 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Oct 13 05:28:43.529 INFO kablam!   |
Oct 13 05:28:43.529 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 13 05:28:43.529 INFO kablam! 
Oct 13 05:28:43.529 INFO kablam! warning: unused variable: `s`
Oct 13 05:28:43.529 INFO kablam!   --> src/main.rs:11:13
Oct 13 05:28:43.529 INFO kablam!    |
Oct 13 05:28:43.529 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Oct 13 05:28:43.529 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 13 05:28:43.529 INFO kablam! 
Oct 13 05:28:43.659 INFO kablam! warning: unused variable: `immutable_string`
Oct 13 05:28:43.659 INFO kablam!  --> src/main.rs:3:9
Oct 13 05:28:43.659 INFO kablam!   |
Oct 13 05:28:43.659 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Oct 13 05:28:43.659 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Oct 13 05:28:43.659 INFO kablam!   |
Oct 13 05:28:43.659 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 13 05:28:43.659 INFO kablam! 
Oct 13 05:28:43.659 INFO kablam! warning: unused variable: `s`
Oct 13 05:28:43.659 INFO kablam!   --> src/main.rs:11:13
Oct 13 05:28:43.659 INFO kablam!    |
Oct 13 05:28:43.659 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Oct 13 05:28:43.659 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 13 05:28:43.659 INFO kablam! 
Oct 13 05:28:43.721 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Oct 13 05:28:43.728 INFO kablam! su: No module specific data is present
Oct 13 05:28:44.516 INFO running `"docker" "rm" "-f" "99c5ea2a4b8331937ed614dcd0f5f2ae48a2281a00957b324f2a062171281762"`
Oct 13 05:28:44.808 INFO blam! 99c5ea2a4b8331937ed614dcd0f5f2ae48a2281a00957b324f2a062171281762