Nov 30 11:56:33.373 INFO checking BenjaminGuenin/rust-programming-tutorial against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 11:56:33.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 11:56:33.727 INFO [stdout] 5337d488fd595d7a027fb0915e91949f435fc5d9b536fe7272f0a84c02f15ac4
Nov 30 11:56:33.729 INFO running `"docker" "start" "-a" "5337d488fd595d7a027fb0915e91949f435fc5d9b536fe7272f0a84c02f15ac4"`
Nov 30 11:56:34.883 INFO [stderr] usermod: no changes
Nov 30 11:56:34.957 INFO [stderr]     Checking rust-programming-tutorial v0.1.0 (/source)
Nov 30 11:56:35.544 INFO [stderr] warning: unused variable: `immutable_string`
Nov 30 11:56:35.544 INFO [stderr]  --> src/main.rs:3:9
Nov 30 11:56:35.544 INFO [stderr]   |
Nov 30 11:56:35.544 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 30 11:56:35.544 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 30 11:56:35.544 INFO [stderr]   |
Nov 30 11:56:35.544 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 11:56:35.544 INFO [stderr] 
Nov 30 11:56:35.544 INFO [stderr] warning: unused variable: `s`
Nov 30 11:56:35.544 INFO [stderr]   --> src/main.rs:11:13
Nov 30 11:56:35.544 INFO [stderr]    |
Nov 30 11:56:35.544 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 30 11:56:35.544 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 30 11:56:35.544 INFO [stderr] 
Nov 30 11:56:35.756 INFO [stderr] warning: unused variable: `immutable_string`
Nov 30 11:56:35.756 INFO [stderr]  --> src/main.rs:3:9
Nov 30 11:56:35.756 INFO [stderr]   |
Nov 30 11:56:35.756 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 30 11:56:35.756 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 30 11:56:35.756 INFO [stderr]   |
Nov 30 11:56:35.756 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 11:56:35.756 INFO [stderr] 
Nov 30 11:56:35.756 INFO [stderr] warning: unused variable: `s`
Nov 30 11:56:35.756 INFO [stderr]   --> src/main.rs:11:13
Nov 30 11:56:35.756 INFO [stderr]    |
Nov 30 11:56:35.756 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 30 11:56:35.756 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 30 11:56:35.756 INFO [stderr] 
Nov 30 11:56:35.772 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Nov 30 11:56:35.775 INFO [stderr] su: No module specific data is present
Nov 30 11:56:36.318 INFO running `"docker" "inspect" "5337d488fd595d7a027fb0915e91949f435fc5d9b536fe7272f0a84c02f15ac4"`
Nov 30 11:56:36.566 INFO running `"docker" "rm" "-f" "5337d488fd595d7a027fb0915e91949f435fc5d9b536fe7272f0a84c02f15ac4"`
Nov 30 11:56:36.922 INFO [stdout] 5337d488fd595d7a027fb0915e91949f435fc5d9b536fe7272f0a84c02f15ac4