Oct 21 21:58:01.540 INFO checking BenjaminGuenin/rust-programming-tutorial against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 21:58:01.542 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-4/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 21:58:01.974 INFO blam! ea3369439a7bd18bc929e8550038a11f3101eed958bd0aecb8954797a48325ef
Oct 21 21:58:01.980 INFO running `"docker" "start" "-a" "ea3369439a7bd18bc929e8550038a11f3101eed958bd0aecb8954797a48325ef"`
Oct 21 21:58:02.707 INFO kablam! usermod: no changes
Oct 21 21:58:02.765 INFO kablam!     Checking rust-programming-tutorial v0.1.0 (/source)
Oct 21 21:58:03.480 INFO kablam! warning: unused variable: `immutable_string`
Oct 21 21:58:03.480 INFO kablam!  --> src/main.rs:3:9
Oct 21 21:58:03.480 INFO kablam!   |
Oct 21 21:58:03.480 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Oct 21 21:58:03.480 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Oct 21 21:58:03.480 INFO kablam!   |
Oct 21 21:58:03.480 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:58:03.480 INFO kablam! 
Oct 21 21:58:03.480 INFO kablam! warning: unused variable: `s`
Oct 21 21:58:03.480 INFO kablam!   --> src/main.rs:11:13
Oct 21 21:58:03.481 INFO kablam!    |
Oct 21 21:58:03.481 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Oct 21 21:58:03.481 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 21 21:58:03.481 INFO kablam! 
Oct 21 21:58:03.548 INFO kablam! warning: unused variable: `immutable_string`
Oct 21 21:58:03.548 INFO kablam!  --> src/main.rs:3:9
Oct 21 21:58:03.548 INFO kablam!   |
Oct 21 21:58:03.548 INFO kablam! 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Oct 21 21:58:03.548 INFO kablam!   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Oct 21 21:58:03.548 INFO kablam!   |
Oct 21 21:58:03.548 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:58:03.548 INFO kablam! 
Oct 21 21:58:03.548 INFO kablam! warning: unused variable: `s`
Oct 21 21:58:03.548 INFO kablam!   --> src/main.rs:11:13
Oct 21 21:58:03.548 INFO kablam!    |
Oct 21 21:58:03.548 INFO kablam! 11 |         let s = String::from("hello"); // s is valid from this point forward
Oct 21 21:58:03.548 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 21 21:58:03.548 INFO kablam! 
Oct 21 21:58:03.560 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Oct 21 21:58:03.560 INFO kablam! su: No module specific data is present
Oct 21 21:58:04.298 INFO running `"docker" "rm" "-f" "ea3369439a7bd18bc929e8550038a11f3101eed958bd0aecb8954797a48325ef"`
Oct 21 21:58:04.582 INFO blam! ea3369439a7bd18bc929e8550038a11f3101eed958bd0aecb8954797a48325ef