Dec 05 00:01:10.275 INFO testing zhangaz1/TheRustProgrammingLanguageBookExamples against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 00:01:10.275 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 00:01:10.653 INFO [stdout] 8cec3f8042f35455425586569a9fdee4459474388e2fcacc667a39b3bce1f61a
Dec 05 00:01:10.660 INFO running `"docker" "start" "-a" "8cec3f8042f35455425586569a9fdee4459474388e2fcacc667a39b3bce1f61a"`
Dec 05 00:01:12.951 INFO [stderr] usermod: no changes
Dec 05 00:01:13.008 INFO [stderr]    Compiling TheRustProgrammingLanguageBookExamples v0.1.0 (/source)
Dec 05 00:01:13.172 INFO [stderr] warning: unused variable: `y`
Dec 05 00:01:13.172 INFO [stderr]  --> src/main.rs:5:13
Dec 05 00:01:13.172 INFO [stderr]   |
Dec 05 00:01:13.172 INFO [stderr] 5 |         let y = &x[0];
Dec 05 00:01:13.172 INFO [stderr]   |             ^ help: consider using `_y` instead
Dec 05 00:01:13.172 INFO [stderr]   |
Dec 05 00:01:13.172 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 00:01:13.172 INFO [stderr] 
Dec 05 00:01:13.184 INFO [stderr] warning: crate `TheRustProgrammingLanguageBookExamples` should have a snake case name such as `the_rust_programming_language_book_examples`
Dec 05 00:01:13.184 INFO [stderr]   |
Dec 05 00:01:13.184 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 05 00:01:13.184 INFO [stderr] 
Dec 05 00:01:13.731 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 05 00:01:13.731 INFO [stderr] su: No module specific data is present
Dec 05 00:01:15.170 INFO running `"docker" "inspect" "8cec3f8042f35455425586569a9fdee4459474388e2fcacc667a39b3bce1f61a"`
Dec 05 00:01:15.524 INFO running `"docker" "rm" "-f" "8cec3f8042f35455425586569a9fdee4459474388e2fcacc667a39b3bce1f61a"`
Dec 05 00:01:15.880 INFO [stdout] 8cec3f8042f35455425586569a9fdee4459474388e2fcacc667a39b3bce1f61a
Dec 05 00:01:15.884 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 00:01:16.422 INFO [stdout] 2a3b179deb96b94baafa90e4f19c1589fe468b189e506a85bc5a152529a881af
Dec 05 00:01:16.424 INFO running `"docker" "start" "-a" "2a3b179deb96b94baafa90e4f19c1589fe468b189e506a85bc5a152529a881af"`
Dec 05 00:01:17.496 INFO [stderr] usermod: no changes
Dec 05 00:01:17.532 INFO [stderr]    Compiling TheRustProgrammingLanguageBookExamples v0.1.0 (/source)
Dec 05 00:01:17.613 INFO [stderr] warning: unused variable: `y`
Dec 05 00:01:17.613 INFO [stderr]  --> src/main.rs:5:13
Dec 05 00:01:17.613 INFO [stderr]   |
Dec 05 00:01:17.614 INFO [stderr] 5 |         let y = &x[0];
Dec 05 00:01:17.614 INFO [stderr]   |             ^ help: consider using `_y` instead
Dec 05 00:01:17.614 INFO [stderr]   |
Dec 05 00:01:17.614 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 00:01:17.614 INFO [stderr] 
Dec 05 00:01:17.615 INFO [stderr] warning: crate `TheRustProgrammingLanguageBookExamples` should have a snake case name such as `the_rust_programming_language_book_examples`
Dec 05 00:01:17.615 INFO [stderr]   |
Dec 05 00:01:17.615 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 05 00:01:17.615 INFO [stderr] 
Dec 05 00:01:17.920 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 05 00:01:17.923 INFO [stderr] su: No module specific data is present
Dec 05 00:01:18.290 INFO running `"docker" "inspect" "2a3b179deb96b94baafa90e4f19c1589fe468b189e506a85bc5a152529a881af"`
Dec 05 00:01:18.436 INFO running `"docker" "rm" "-f" "2a3b179deb96b94baafa90e4f19c1589fe468b189e506a85bc5a152529a881af"`
Dec 05 00:01:18.562 INFO [stdout] 2a3b179deb96b94baafa90e4f19c1589fe468b189e506a85bc5a152529a881af
Dec 05 00:01:18.566 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 00:01:18.877 INFO [stdout] 076bfa6b9fca050c6a6b5a3a9f8be949760f32c7a86fb4254d78f61dc31afae2
Dec 05 00:01:18.886 INFO running `"docker" "start" "-a" "076bfa6b9fca050c6a6b5a3a9f8be949760f32c7a86fb4254d78f61dc31afae2"`
Dec 05 00:01:19.424 INFO [stderr] usermod: no changes
Dec 05 00:01:19.450 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 00:01:19.451 INFO [stderr]      Running /target/debug/deps/TheRustProgrammingLanguageBookExamples-4eb705210976bfb1
Dec 05 00:01:19.454 INFO [stdout] 
Dec 05 00:01:19.454 INFO [stdout] running 0 tests
Dec 05 00:01:19.454 INFO [stdout] 
Dec 05 00:01:19.454 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 00:01:19.454 INFO [stdout] 
Dec 05 00:01:19.456 INFO [stderr] su: No module specific data is present
Dec 05 00:01:19.798 INFO running `"docker" "inspect" "076bfa6b9fca050c6a6b5a3a9f8be949760f32c7a86fb4254d78f61dc31afae2"`
Dec 05 00:01:20.062 INFO running `"docker" "rm" "-f" "076bfa6b9fca050c6a6b5a3a9f8be949760f32c7a86fb4254d78f61dc31afae2"`
Dec 05 00:01:20.268 INFO [stdout] 076bfa6b9fca050c6a6b5a3a9f8be949760f32c7a86fb4254d78f61dc31afae2