Nov 29 13:59:37.149 INFO checking zhangaz1/TheRustProgrammingLanguageBookExamples against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 13:59:37.149 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 29 13:59:37.672 INFO [stdout] 6db2915eaab2c8ca243f72ee1610b44bbfc2f6046318d17df3eb42c483d1a9fe
Nov 29 13:59:37.678 INFO running `"docker" "start" "-a" "6db2915eaab2c8ca243f72ee1610b44bbfc2f6046318d17df3eb42c483d1a9fe"`
Nov 29 13:59:39.320 INFO [stderr] usermod: no changes
Nov 29 13:59:39.360 INFO [stderr]     Checking TheRustProgrammingLanguageBookExamples v0.1.0 (/source)
Nov 29 13:59:39.588 INFO [stderr] warning: unused variable: `y`
Nov 29 13:59:39.588 INFO [stderr]  --> src/main.rs:5:13
Nov 29 13:59:39.588 INFO [stderr]   |
Nov 29 13:59:39.588 INFO [stderr] 5 |         let y = &x[0];
Nov 29 13:59:39.588 INFO [stderr]   |             ^ help: consider using `_y` instead
Nov 29 13:59:39.588 INFO [stderr]   |
Nov 29 13:59:39.588 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 29 13:59:39.588 INFO [stderr] 
Nov 29 13:59:39.590 INFO [stderr] warning: unused variable: `y`
Nov 29 13:59:39.591 INFO [stderr]  --> src/main.rs:5:13
Nov 29 13:59:39.591 INFO [stderr]   |
Nov 29 13:59:39.591 INFO [stderr] 5 |         let y = &x[0];
Nov 29 13:59:39.591 INFO [stderr]   |             ^ help: consider using `_y` instead
Nov 29 13:59:39.591 INFO [stderr]   |
Nov 29 13:59:39.591 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 29 13:59:39.591 INFO [stderr] 
Nov 29 13:59:39.591 INFO [stderr] warning: crate `TheRustProgrammingLanguageBookExamples` should have a snake case name such as `the_rust_programming_language_book_examples`
Nov 29 13:59:39.591 INFO [stderr]   |
Nov 29 13:59:39.591 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 29 13:59:39.591 INFO [stderr] 
Nov 29 13:59:39.604 INFO [stderr] warning: crate `TheRustProgrammingLanguageBookExamples` should have a snake case name such as `the_rust_programming_language_book_examples`
Nov 29 13:59:39.604 INFO [stderr]   |
Nov 29 13:59:39.604 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 29 13:59:39.604 INFO [stderr] 
Nov 29 13:59:39.672 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Nov 29 13:59:39.679 INFO [stderr] su: No module specific data is present
Nov 29 13:59:40.610 INFO running `"docker" "inspect" "6db2915eaab2c8ca243f72ee1610b44bbfc2f6046318d17df3eb42c483d1a9fe"`
Nov 29 13:59:40.866 INFO running `"docker" "rm" "-f" "6db2915eaab2c8ca243f72ee1610b44bbfc2f6046318d17df3eb42c483d1a9fe"`
Nov 29 13:59:41.216 INFO [stdout] 6db2915eaab2c8ca243f72ee1610b44bbfc2f6046318d17df3eb42c483d1a9fe