Dec 14 11:55:44.439 INFO testing BenjaminGuenin/rust-programming-tutorial against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 11:55:44.439 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 14 11:55:44.955 INFO [stdout] 7c4be4eab97c1847951617a0aec922996b872e7bf05d1bed8684fa12331092c1
Dec 14 11:55:44.960 INFO running `"docker" "start" "-a" "7c4be4eab97c1847951617a0aec922996b872e7bf05d1bed8684fa12331092c1"`
Dec 14 11:55:46.069 INFO [stderr] usermod: no changes
Dec 14 11:55:46.120 INFO [stderr]    Compiling rust-programming-tutorial v0.1.0 (/source)
Dec 14 11:55:46.515 INFO [stderr] warning: unused variable: `immutable_string`
Dec 14 11:55:46.515 INFO [stderr]  --> src/main.rs:3:9
Dec 14 11:55:46.515 INFO [stderr]   |
Dec 14 11:55:46.515 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Dec 14 11:55:46.515 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Dec 14 11:55:46.515 INFO [stderr]   |
Dec 14 11:55:46.515 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 11:55:46.515 INFO [stderr] 
Dec 14 11:55:46.515 INFO [stderr] warning: unused variable: `s`
Dec 14 11:55:46.515 INFO [stderr]   --> src/main.rs:11:13
Dec 14 11:55:46.515 INFO [stderr]    |
Dec 14 11:55:46.515 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Dec 14 11:55:46.515 INFO [stderr]    |             ^ help: consider using `_s` instead
Dec 14 11:55:46.515 INFO [stderr] 
Dec 14 11:55:46.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 14 11:55:46.844 INFO [stderr] su: No module specific data is present
Dec 14 11:55:47.276 INFO running `"docker" "inspect" "7c4be4eab97c1847951617a0aec922996b872e7bf05d1bed8684fa12331092c1"`
Dec 14 11:55:47.411 INFO running `"docker" "rm" "-f" "7c4be4eab97c1847951617a0aec922996b872e7bf05d1bed8684fa12331092c1"`
Dec 14 11:55:47.531 INFO [stdout] 7c4be4eab97c1847951617a0aec922996b872e7bf05d1bed8684fa12331092c1
Dec 14 11:55:47.536 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 14 11:55:47.798 INFO [stdout] 8c5c55dd0ac362a322a9474c631fe01f1d1115560673271623092ebac9ab4e7c
Dec 14 11:55:47.798 INFO running `"docker" "start" "-a" "8c5c55dd0ac362a322a9474c631fe01f1d1115560673271623092ebac9ab4e7c"`
Dec 14 11:55:48.288 INFO [stderr] usermod: no changes
Dec 14 11:55:48.339 INFO [stderr]    Compiling rust-programming-tutorial v0.1.0 (/source)
Dec 14 11:55:48.760 INFO [stderr] warning: unused variable: `immutable_string`
Dec 14 11:55:48.760 INFO [stderr]  --> src/main.rs:3:9
Dec 14 11:55:48.761 INFO [stderr]   |
Dec 14 11:55:48.761 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Dec 14 11:55:48.761 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Dec 14 11:55:48.761 INFO [stderr]   |
Dec 14 11:55:48.761 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 11:55:48.761 INFO [stderr] 
Dec 14 11:55:48.761 INFO [stderr] warning: unused variable: `s`
Dec 14 11:55:48.761 INFO [stderr]   --> src/main.rs:11:13
Dec 14 11:55:48.761 INFO [stderr]    |
Dec 14 11:55:48.761 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Dec 14 11:55:48.761 INFO [stderr]    |             ^ help: consider using `_s` instead
Dec 14 11:55:48.761 INFO [stderr] 
Dec 14 11:55:48.951 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 14 11:55:48.953 INFO [stderr] su: No module specific data is present
Dec 14 11:55:49.308 INFO running `"docker" "inspect" "8c5c55dd0ac362a322a9474c631fe01f1d1115560673271623092ebac9ab4e7c"`
Dec 14 11:55:49.408 INFO running `"docker" "rm" "-f" "8c5c55dd0ac362a322a9474c631fe01f1d1115560673271623092ebac9ab4e7c"`
Dec 14 11:55:49.472 INFO [stdout] 8c5c55dd0ac362a322a9474c631fe01f1d1115560673271623092ebac9ab4e7c
Dec 14 11:55:49.475 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 14 11:55:49.653 INFO [stdout] aa86d9805e9b9276bf049d5e2082f9115def0370e59c557dc1889f6b8f9d1d90
Dec 14 11:55:49.655 INFO running `"docker" "start" "-a" "aa86d9805e9b9276bf049d5e2082f9115def0370e59c557dc1889f6b8f9d1d90"`
Dec 14 11:55:50.031 INFO [stderr] usermod: no changes
Dec 14 11:55:50.073 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 11:55:50.075 INFO [stderr]      Running /target/debug/deps/rust_programming_tutorial-4aca31301421249c
Dec 14 11:55:50.085 INFO [stdout] 
Dec 14 11:55:50.085 INFO [stdout] running 0 tests
Dec 14 11:55:50.085 INFO [stdout] 
Dec 14 11:55:50.085 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 11:55:50.085 INFO [stdout] 
Dec 14 11:55:50.088 INFO [stderr] su: No module specific data is present
Dec 14 11:55:50.730 INFO running `"docker" "inspect" "aa86d9805e9b9276bf049d5e2082f9115def0370e59c557dc1889f6b8f9d1d90"`
Dec 14 11:55:50.970 INFO running `"docker" "rm" "-f" "aa86d9805e9b9276bf049d5e2082f9115def0370e59c557dc1889f6b8f9d1d90"`
Dec 14 11:55:51.306 INFO [stdout] aa86d9805e9b9276bf049d5e2082f9115def0370e59c557dc1889f6b8f9d1d90