Dec 05 19:52:12.199 INFO testing jhwagner/rust_by_example_solutions against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 19:52:12.199 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:52:12.536 INFO [stdout] aa2347e5c4d7991ed6b9599b9189d146c83dc5d019ca049c3e5a7e7c030067e9
Dec 05 19:52:12.538 INFO running `"docker" "start" "-a" "aa2347e5c4d7991ed6b9599b9189d146c83dc5d019ca049c3e5a7e7c030067e9"`
Dec 05 19:52:13.956 INFO [stderr] usermod: no changes
Dec 05 19:52:14.036 INFO [stderr]    Compiling rust_by_example_solutions v0.1.0 (/source)
Dec 05 19:52:15.167 INFO [stderr] warning: struct is never constructed: `Structure`
Dec 05 19:52:15.168 INFO [stderr]   --> src/bin/1_2_0_formatted_print.rs:27:5
Dec 05 19:52:15.168 INFO [stderr]    |
Dec 05 19:52:15.168 INFO [stderr] 27 |     struct Structure(i32);
Dec 05 19:52:15.168 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:52:15.168 INFO [stderr]    |
Dec 05 19:52:15.169 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 19:52:15.169 INFO [stderr] 
Dec 05 19:52:15.864 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Dec 05 19:52:15.868 INFO [stderr] su: No module specific data is present
Dec 05 19:52:16.278 INFO running `"docker" "inspect" "aa2347e5c4d7991ed6b9599b9189d146c83dc5d019ca049c3e5a7e7c030067e9"`
Dec 05 19:52:16.407 INFO running `"docker" "rm" "-f" "aa2347e5c4d7991ed6b9599b9189d146c83dc5d019ca049c3e5a7e7c030067e9"`
Dec 05 19:52:16.586 INFO [stdout] aa2347e5c4d7991ed6b9599b9189d146c83dc5d019ca049c3e5a7e7c030067e9
Dec 05 19:52:16.590 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:52:17.016 INFO [stdout] 3cbe097d3954f50af8eeb2fbeb01ee66401329401f9a2f2a3490cad16568eaf9
Dec 05 19:52:17.020 INFO running `"docker" "start" "-a" "3cbe097d3954f50af8eeb2fbeb01ee66401329401f9a2f2a3490cad16568eaf9"`
Dec 05 19:52:18.575 INFO [stderr] usermod: no changes
Dec 05 19:52:18.650 INFO [stderr]    Compiling rust_by_example_solutions v0.1.0 (/source)
Dec 05 19:52:20.588 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Dec 05 19:52:20.591 INFO [stderr] su: No module specific data is present
Dec 05 19:52:21.272 INFO running `"docker" "inspect" "3cbe097d3954f50af8eeb2fbeb01ee66401329401f9a2f2a3490cad16568eaf9"`
Dec 05 19:52:21.679 INFO running `"docker" "rm" "-f" "3cbe097d3954f50af8eeb2fbeb01ee66401329401f9a2f2a3490cad16568eaf9"`
Dec 05 19:52:22.023 INFO [stdout] 3cbe097d3954f50af8eeb2fbeb01ee66401329401f9a2f2a3490cad16568eaf9
Dec 05 19:52:22.026 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:52:22.578 INFO [stdout] af04332e12aa5d8c79859ff437709203c36ef42c994fafdbea47606bd7592af4
Dec 05 19:52:22.580 INFO running `"docker" "start" "-a" "af04332e12aa5d8c79859ff437709203c36ef42c994fafdbea47606bd7592af4"`
Dec 05 19:52:23.836 INFO [stderr] usermod: no changes
Dec 05 19:52:23.876 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 19:52:23.876 INFO [stderr]      Running /target/debug/deps/1_0_0_hello_world-a72409b8d2919ff3
Dec 05 19:52:23.892 INFO [stderr]      Running /target/debug/deps/1_2_0_formatted_print-5488f540a5c47a3c
Dec 05 19:52:23.892 INFO [stdout] 
Dec 05 19:52:23.892 INFO [stdout] running 0 tests
Dec 05 19:52:23.892 INFO [stdout] 
Dec 05 19:52:23.892 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:52:23.892 INFO [stdout] 
Dec 05 19:52:23.896 INFO [stdout] 
Dec 05 19:52:23.896 INFO [stdout] running 0 tests
Dec 05 19:52:23.896 INFO [stdout] 
Dec 05 19:52:23.896 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:52:23.896 INFO [stdout] 
Dec 05 19:52:23.907 INFO [stdout] 
Dec 05 19:52:23.907 INFO [stderr]      Running /target/debug/deps/1_2_2_display-59410e217623355a
Dec 05 19:52:23.907 INFO [stdout] running 0 tests
Dec 05 19:52:23.907 INFO [stdout] 
Dec 05 19:52:23.907 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:52:23.908 INFO [stdout] 
Dec 05 19:52:23.908 INFO [stderr]      Running /target/debug/deps/1_2_3_formatting-3fa5ac763ae1c18a
Dec 05 19:52:23.909 INFO [stdout] 
Dec 05 19:52:23.909 INFO [stdout] running 0 tests
Dec 05 19:52:23.909 INFO [stdout] 
Dec 05 19:52:23.910 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:52:23.910 INFO [stdout] 
Dec 05 19:52:23.916 INFO [stderr]      Running /target/debug/deps/2_2_0_tuples-57ddf63ebff9f26e
Dec 05 19:52:23.925 INFO [stdout] 
Dec 05 19:52:23.925 INFO [stdout] running 0 tests
Dec 05 19:52:23.925 INFO [stdout] 
Dec 05 19:52:23.926 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:52:23.926 INFO [stdout] 
Dec 05 19:52:23.932 INFO [stderr] su: No module specific data is present
Dec 05 19:52:24.428 INFO running `"docker" "inspect" "af04332e12aa5d8c79859ff437709203c36ef42c994fafdbea47606bd7592af4"`
Dec 05 19:52:24.700 INFO running `"docker" "rm" "-f" "af04332e12aa5d8c79859ff437709203c36ef42c994fafdbea47606bd7592af4"`
Dec 05 19:52:24.966 INFO [stdout] af04332e12aa5d8c79859ff437709203c36ef42c994fafdbea47606bd7592af4