Nov 04 14:33:29.364 INFO checking BenjaminGuenin/rust-programming-tutorial against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 14:33:29.366 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 14:33:29.831 INFO blam! 26e475df3398793b94dcd9cfe16bebf3883a9be595e5436cb73668055c43a69b
Nov 04 14:33:29.834 INFO running `"docker" "start" "-a" "26e475df3398793b94dcd9cfe16bebf3883a9be595e5436cb73668055c43a69b"`
Nov 04 14:33:31.399 INFO kablam! usermod: no changes
Nov 04 14:33:31.515 INFO kablam!     Checking rust-programming-tutorial v0.1.0 (/source)
Nov 04 14:33:32.255 INFO kablam! warning: unused variable: `immutable_string`
Nov 04 14:33:32.255 INFO kablam!  --> src/main.rs:3:9
Nov 04 14:33:32.255 INFO kablam!   |
Nov 04 14:33:32.255 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 04 14:33:32.255 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 04 14:33:32.255 INFO kablam!   |
Nov 04 14:33:32.255 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 04 14:33:32.255 INFO kablam! 
Nov 04 14:33:32.255 INFO kablam! warning: unused variable: `s`
Nov 04 14:33:32.255 INFO kablam!   --> src/main.rs:11:13
Nov 04 14:33:32.255 INFO kablam!    |
Nov 04 14:33:32.255 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 04 14:33:32.255 INFO kablam!    |             ^ help: consider using `_s` instead
Nov 04 14:33:32.255 INFO kablam! 
Nov 04 14:33:32.287 INFO kablam! warning: unused variable: `immutable_string`
Nov 04 14:33:32.287 INFO kablam!  --> src/main.rs:3:9
Nov 04 14:33:32.287 INFO kablam!   |
Nov 04 14:33:32.287 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 04 14:33:32.287 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 04 14:33:32.287 INFO kablam!   |
Nov 04 14:33:32.287 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 04 14:33:32.287 INFO kablam! 
Nov 04 14:33:32.287 INFO kablam! warning: unused variable: `s`
Nov 04 14:33:32.287 INFO kablam!   --> src/main.rs:11:13
Nov 04 14:33:32.287 INFO kablam!    |
Nov 04 14:33:32.287 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 04 14:33:32.287 INFO kablam!    |             ^ help: consider using `_s` instead
Nov 04 14:33:32.287 INFO kablam! 
Nov 04 14:33:32.331 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Nov 04 14:33:32.335 INFO kablam! su: No module specific data is present
Nov 04 14:33:33.102 INFO running `"docker" "rm" "-f" "26e475df3398793b94dcd9cfe16bebf3883a9be595e5436cb73668055c43a69b"`
Nov 04 14:33:33.341 INFO blam! 26e475df3398793b94dcd9cfe16bebf3883a9be595e5436cb73668055c43a69b