Oct 13 05:28:38.240 INFO checking BenjaminGuenin/rust-programming-tutorial against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 05:28:38.240 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 05:28:38.746 INFO blam! 0969db7ee0e79bde809d745806a518e01e98927111f2ff09c4e9dbf764f60225
Oct 13 05:28:38.748 INFO running `"docker" "start" "-a" "0969db7ee0e79bde809d745806a518e01e98927111f2ff09c4e9dbf764f60225"`
Oct 13 05:28:40.265 INFO kablam! usermod: no changes
Oct 13 05:28:40.356 INFO kablam!     Checking rust-programming-tutorial v0.1.0 (/source)
Oct 13 05:28:41.115 INFO kablam! warning: unused variable: `immutable_string`
Oct 13 05:28:41.115 INFO kablam!  --> src/main.rs:3:9
Oct 13 05:28:41.115 INFO kablam!   |
Oct 13 05:28:41.115 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Oct 13 05:28:41.115 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Oct 13 05:28:41.115 INFO kablam!   |
Oct 13 05:28:41.115 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 13 05:28:41.115 INFO kablam! 
Oct 13 05:28:41.115 INFO kablam! warning: unused variable: `s`
Oct 13 05:28:41.115 INFO kablam!   --> src/main.rs:11:13
Oct 13 05:28:41.115 INFO kablam!    |
Oct 13 05:28:41.115 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Oct 13 05:28:41.115 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 13 05:28:41.115 INFO kablam! 
Oct 13 05:28:41.374 INFO kablam! warning: unused variable: `immutable_string`
Oct 13 05:28:41.375 INFO kablam!  --> src/main.rs:3:9
Oct 13 05:28:41.375 INFO kablam!   |
Oct 13 05:28:41.375 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Oct 13 05:28:41.376 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Oct 13 05:28:41.376 INFO kablam!   |
Oct 13 05:28:41.376 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 13 05:28:41.377 INFO kablam! 
Oct 13 05:28:41.377 INFO kablam! warning: unused variable: `s`
Oct 13 05:28:41.377 INFO kablam!   --> src/main.rs:11:13
Oct 13 05:28:41.377 INFO kablam!    |
Oct 13 05:28:41.378 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Oct 13 05:28:41.378 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 13 05:28:41.378 INFO kablam! 
Oct 13 05:28:41.407 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Oct 13 05:28:41.413 INFO kablam! su: No module specific data is present
Oct 13 05:28:41.838 INFO running `"docker" "rm" "-f" "0969db7ee0e79bde809d745806a518e01e98927111f2ff09c4e9dbf764f60225"`
Oct 13 05:28:42.015 INFO blam! 0969db7ee0e79bde809d745806a518e01e98927111f2ff09c4e9dbf764f60225