Nov 28 14:26:25.893 INFO checking BenjaminGuenin/rust-programming-tutorial against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 14:26:25.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 14:26:26.444 INFO [stdout] d192d32564d4d24ab6ae870bb7ec2c6e94102a65fb39f191c474519801db9103
Nov 28 14:26:26.450 INFO running `"docker" "start" "-a" "d192d32564d4d24ab6ae870bb7ec2c6e94102a65fb39f191c474519801db9103"`
Nov 28 14:26:27.823 INFO [stderr] usermod: no changes
Nov 28 14:26:27.885 INFO [stderr]     Checking rust-programming-tutorial v0.1.0 (/source)
Nov 28 14:26:28.593 INFO [stderr] warning: unused variable: `immutable_string`
Nov 28 14:26:28.593 INFO [stderr]  --> src/main.rs:3:9
Nov 28 14:26:28.593 INFO [stderr]   |
Nov 28 14:26:28.594 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 28 14:26:28.594 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 28 14:26:28.594 INFO [stderr]   |
Nov 28 14:26:28.594 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 28 14:26:28.595 INFO [stderr] 
Nov 28 14:26:28.595 INFO [stderr] warning: unused variable: `s`
Nov 28 14:26:28.595 INFO [stderr]   --> src/main.rs:11:13
Nov 28 14:26:28.595 INFO [stderr]    |
Nov 28 14:26:28.596 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 28 14:26:28.596 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 28 14:26:28.596 INFO [stderr] 
Nov 28 14:26:28.604 INFO [stderr] warning: unused variable: `immutable_string`
Nov 28 14:26:28.604 INFO [stderr]  --> src/main.rs:3:9
Nov 28 14:26:28.604 INFO [stderr]   |
Nov 28 14:26:28.604 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 28 14:26:28.604 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 28 14:26:28.604 INFO [stderr]   |
Nov 28 14:26:28.604 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 28 14:26:28.604 INFO [stderr] 
Nov 28 14:26:28.604 INFO [stderr] warning: unused variable: `s`
Nov 28 14:26:28.604 INFO [stderr]   --> src/main.rs:11:13
Nov 28 14:26:28.604 INFO [stderr]    |
Nov 28 14:26:28.604 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 28 14:26:28.604 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 28 14:26:28.604 INFO [stderr] 
Nov 28 14:26:28.638 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Nov 28 14:26:28.647 INFO [stderr] su: No module specific data is present
Nov 28 14:26:29.202 INFO running `"docker" "inspect" "d192d32564d4d24ab6ae870bb7ec2c6e94102a65fb39f191c474519801db9103"`
Nov 28 14:26:29.486 INFO running `"docker" "rm" "-f" "d192d32564d4d24ab6ae870bb7ec2c6e94102a65fb39f191c474519801db9103"`
Nov 28 14:26:29.736 INFO [stdout] d192d32564d4d24ab6ae870bb7ec2c6e94102a65fb39f191c474519801db9103