Dec 06 15:29:04.913 INFO testing BenjaminGuenin/rust-programming-tutorial against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 15:29:04.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 15:29:05.071 INFO [stdout] 6f7a67c245b133c8273c06fccd70df1032953c51559118145a0227f01b4cc0bb
Dec 06 15:29:05.076 INFO running `"docker" "start" "-a" "6f7a67c245b133c8273c06fccd70df1032953c51559118145a0227f01b4cc0bb"`
Dec 06 15:29:05.612 INFO [stderr] usermod: no changes
Dec 06 15:29:05.660 INFO [stderr]    Compiling rust-programming-tutorial v0.1.0 (/source)
Dec 06 15:29:05.972 INFO [stderr] warning: unused variable: `immutable_string`
Dec 06 15:29:05.972 INFO [stderr]  --> src/main.rs:3:9
Dec 06 15:29:05.973 INFO [stderr]   |
Dec 06 15:29:05.973 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Dec 06 15:29:05.973 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Dec 06 15:29:05.973 INFO [stderr]   |
Dec 06 15:29:05.973 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 15:29:05.973 INFO [stderr] 
Dec 06 15:29:05.973 INFO [stderr] warning: unused variable: `s`
Dec 06 15:29:05.973 INFO [stderr]   --> src/main.rs:11:13
Dec 06 15:29:05.973 INFO [stderr]    |
Dec 06 15:29:05.973 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Dec 06 15:29:05.973 INFO [stderr]    |             ^ help: consider using `_s` instead
Dec 06 15:29:05.973 INFO [stderr] 
Dec 06 15:29:06.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 06 15:29:06.291 INFO [stderr] su: No module specific data is present
Dec 06 15:29:06.578 INFO running `"docker" "inspect" "6f7a67c245b133c8273c06fccd70df1032953c51559118145a0227f01b4cc0bb"`
Dec 06 15:29:06.667 INFO running `"docker" "rm" "-f" "6f7a67c245b133c8273c06fccd70df1032953c51559118145a0227f01b4cc0bb"`
Dec 06 15:29:06.753 INFO [stdout] 6f7a67c245b133c8273c06fccd70df1032953c51559118145a0227f01b4cc0bb
Dec 06 15:29:06.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 15:29:06.928 INFO [stdout] 522b0a5f7baaa1dad0f8c9a5a349054489a5a191935833eb6b549b77a1fc3aef
Dec 06 15:29:06.931 INFO running `"docker" "start" "-a" "522b0a5f7baaa1dad0f8c9a5a349054489a5a191935833eb6b549b77a1fc3aef"`
Dec 06 15:29:07.488 INFO [stderr] usermod: no changes
Dec 06 15:29:07.530 INFO [stderr]    Compiling rust-programming-tutorial v0.1.0 (/source)
Dec 06 15:29:08.035 INFO [stderr] warning: unused variable: `immutable_string`
Dec 06 15:29:08.035 INFO [stderr]  --> src/main.rs:3:9
Dec 06 15:29:08.035 INFO [stderr]   |
Dec 06 15:29:08.035 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Dec 06 15:29:08.035 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Dec 06 15:29:08.035 INFO [stderr]   |
Dec 06 15:29:08.035 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 15:29:08.035 INFO [stderr] 
Dec 06 15:29:08.035 INFO [stderr] warning: unused variable: `s`
Dec 06 15:29:08.035 INFO [stderr]   --> src/main.rs:11:13
Dec 06 15:29:08.035 INFO [stderr]    |
Dec 06 15:29:08.035 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Dec 06 15:29:08.035 INFO [stderr]    |             ^ help: consider using `_s` instead
Dec 06 15:29:08.035 INFO [stderr] 
Dec 06 15:29:08.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 06 15:29:08.299 INFO [stderr] su: No module specific data is present
Dec 06 15:29:08.703 INFO running `"docker" "inspect" "522b0a5f7baaa1dad0f8c9a5a349054489a5a191935833eb6b549b77a1fc3aef"`
Dec 06 15:29:08.807 INFO running `"docker" "rm" "-f" "522b0a5f7baaa1dad0f8c9a5a349054489a5a191935833eb6b549b77a1fc3aef"`
Dec 06 15:29:09.052 INFO [stdout] 522b0a5f7baaa1dad0f8c9a5a349054489a5a191935833eb6b549b77a1fc3aef
Dec 06 15:29:09.056 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 15:29:09.368 INFO [stdout] 4d2bb9aa64c9b0ff790284c62786c70d6d21464315b39966e143a165f39c9010
Dec 06 15:29:09.378 INFO running `"docker" "start" "-a" "4d2bb9aa64c9b0ff790284c62786c70d6d21464315b39966e143a165f39c9010"`
Dec 06 15:29:10.000 INFO [stderr] usermod: no changes
Dec 06 15:29:10.040 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 15:29:10.041 INFO [stderr]      Running /target/debug/deps/rust_programming_tutorial-2fdc8980ff822ef3
Dec 06 15:29:10.048 INFO [stdout] 
Dec 06 15:29:10.048 INFO [stdout] running 0 tests
Dec 06 15:29:10.048 INFO [stdout] 
Dec 06 15:29:10.049 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 15:29:10.049 INFO [stdout] 
Dec 06 15:29:10.064 INFO [stderr] su: No module specific data is present
Dec 06 15:29:10.706 INFO running `"docker" "inspect" "4d2bb9aa64c9b0ff790284c62786c70d6d21464315b39966e143a165f39c9010"`
Dec 06 15:29:10.896 INFO running `"docker" "rm" "-f" "4d2bb9aa64c9b0ff790284c62786c70d6d21464315b39966e143a165f39c9010"`
Dec 06 15:29:11.124 INFO [stdout] 4d2bb9aa64c9b0ff790284c62786c70d6d21464315b39966e143a165f39c9010