Nov 30 11:56:32.970 INFO checking BenjaminGuenin/rust-programming-tutorial against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 11:56:32.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 11:56:33.136 INFO [stdout] a19827d3110d1f775817971024fe5add53f2cdf9103069464ed5a84f3588069f
Nov 30 11:56:33.140 INFO running `"docker" "start" "-a" "a19827d3110d1f775817971024fe5add53f2cdf9103069464ed5a84f3588069f"`
Nov 30 11:56:33.650 INFO [stderr] usermod: no changes
Nov 30 11:56:33.720 INFO [stderr]     Checking rust-programming-tutorial v0.1.0 (/source)
Nov 30 11:56:34.216 INFO [stderr] warning: unused variable: `immutable_string`
Nov 30 11:56:34.216 INFO [stderr]  --> src/main.rs:3:9
Nov 30 11:56:34.216 INFO [stderr]   |
Nov 30 11:56:34.216 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 30 11:56:34.216 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 30 11:56:34.216 INFO [stderr]   |
Nov 30 11:56:34.216 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 11:56:34.216 INFO [stderr] 
Nov 30 11:56:34.216 INFO [stderr] warning: unused variable: `s`
Nov 30 11:56:34.216 INFO [stderr]   --> src/main.rs:11:13
Nov 30 11:56:34.216 INFO [stderr]    |
Nov 30 11:56:34.216 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 30 11:56:34.216 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 30 11:56:34.216 INFO [stderr] 
Nov 30 11:56:34.316 INFO [stderr] warning: unused variable: `immutable_string`
Nov 30 11:56:34.316 INFO [stderr]  --> src/main.rs:3:9
Nov 30 11:56:34.316 INFO [stderr]   |
Nov 30 11:56:34.316 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 30 11:56:34.316 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 30 11:56:34.316 INFO [stderr]   |
Nov 30 11:56:34.316 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 11:56:34.316 INFO [stderr] 
Nov 30 11:56:34.316 INFO [stderr] warning: unused variable: `s`
Nov 30 11:56:34.316 INFO [stderr]   --> src/main.rs:11:13
Nov 30 11:56:34.316 INFO [stderr]    |
Nov 30 11:56:34.316 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 30 11:56:34.316 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 30 11:56:34.316 INFO [stderr] 
Nov 30 11:56:34.360 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Nov 30 11:56:34.366 INFO [stderr] su: No module specific data is present
Nov 30 11:56:34.941 INFO running `"docker" "inspect" "a19827d3110d1f775817971024fe5add53f2cdf9103069464ed5a84f3588069f"`
Nov 30 11:56:35.244 INFO running `"docker" "rm" "-f" "a19827d3110d1f775817971024fe5add53f2cdf9103069464ed5a84f3588069f"`
Nov 30 11:56:35.559 INFO [stdout] a19827d3110d1f775817971024fe5add53f2cdf9103069464ed5a84f3588069f