Dec 01 05:15:37.845 INFO testing ravendyg/rust-playground against 1.30.1 for beta-1.31-5
Dec 01 05:15:37.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 05:15:38.300 INFO [stdout] a61406edc6bacfaec0b4648e84ccf1a237619c5cf2489afee2213169e4ee9804
Dec 01 05:15:38.305 INFO running `"docker" "start" "-a" "a61406edc6bacfaec0b4648e84ccf1a237619c5cf2489afee2213169e4ee9804"`
Dec 01 05:15:39.515 INFO [stderr] usermod: no changes
Dec 01 05:15:39.572 INFO [stderr]    Compiling rand v0.3.15
Dec 01 05:15:41.732 INFO [stderr]    Compiling guessing v0.1.0 (/source)
Dec 01 05:15:42.103 INFO [stderr] warning: unused variable: `x`
Dec 01 05:15:42.103 INFO [stderr]   --> src/main.rs:60:7
Dec 01 05:15:42.104 INFO [stderr]    |
Dec 01 05:15:42.104 INFO [stderr] 60 |   let x: Option<i32> = Option::Some(5);
Dec 01 05:15:42.104 INFO [stderr]    |       ^ help: consider using `_x` instead
Dec 01 05:15:42.104 INFO [stderr]    |
Dec 01 05:15:42.104 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 05:15:42.105 INFO [stderr] 
Dec 01 05:15:42.105 INFO [stderr] warning: unused variable: `q`
Dec 01 05:15:42.105 INFO [stderr]   --> src/main.rs:62:7
Dec 01 05:15:42.105 INFO [stderr]    |
Dec 01 05:15:42.105 INFO [stderr] 62 |   let q: Option<f64> = Option::Some(5f64);
Dec 01 05:15:42.105 INFO [stderr]    |       ^ help: consider using `_q` instead
Dec 01 05:15:42.106 INFO [stderr] 
Dec 01 05:15:42.106 INFO [stderr] warning: unused variable: `b`
Dec 01 05:15:42.106 INFO [stderr]   --> src/main.rs:71:7
Dec 01 05:15:42.106 INFO [stderr]    |
Dec 01 05:15:42.106 INFO [stderr] 71 |   let b = 10;
Dec 01 05:15:42.106 INFO [stderr]    |       ^ help: consider using `_b` instead
Dec 01 05:15:42.106 INFO [stderr] 
Dec 01 05:15:42.107 INFO [stderr] warning: variant is never constructed: `None`
Dec 01 05:15:42.107 INFO [stderr]   --> src/main.rs:49:3
Dec 01 05:15:42.107 INFO [stderr]    |
Dec 01 05:15:42.107 INFO [stderr] 49 |   None
Dec 01 05:15:42.107 INFO [stderr]    |   ^^^^
Dec 01 05:15:42.107 INFO [stderr]    |
Dec 01 05:15:42.108 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 05:15:42.108 INFO [stderr] 
Dec 01 05:15:42.108 INFO [stderr] warning: enum is never used: `Result`
Dec 01 05:15:42.108 INFO [stderr]   --> src/main.rs:53:1
Dec 01 05:15:42.108 INFO [stderr]    |
Dec 01 05:15:42.108 INFO [stderr] 53 | enum Result<T, E> {
Dec 01 05:15:42.108 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 01 05:15:42.108 INFO [stderr] 
Dec 01 05:15:42.496 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
Dec 01 05:15:42.496 INFO [stderr] su: No module specific data is present
Dec 01 05:15:43.323 INFO running `"docker" "inspect" "a61406edc6bacfaec0b4648e84ccf1a237619c5cf2489afee2213169e4ee9804"`
Dec 01 05:15:43.561 INFO running `"docker" "rm" "-f" "a61406edc6bacfaec0b4648e84ccf1a237619c5cf2489afee2213169e4ee9804"`
Dec 01 05:15:43.869 INFO [stdout] a61406edc6bacfaec0b4648e84ccf1a237619c5cf2489afee2213169e4ee9804
Dec 01 05:15:43.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 05:15:44.351 INFO [stdout] e8003538b398f204be05fb98bdb242f1b6723f9daf3cb6e4139952a364b1edaf
Dec 01 05:15:44.353 INFO running `"docker" "start" "-a" "e8003538b398f204be05fb98bdb242f1b6723f9daf3cb6e4139952a364b1edaf"`
Dec 01 05:15:45.492 INFO [stderr] usermod: no changes
Dec 01 05:15:45.551 INFO [stderr]    Compiling guessing v0.1.0 (/source)
Dec 01 05:15:45.963 INFO [stderr] warning: unused variable: `x`
Dec 01 05:15:45.963 INFO [stderr]   --> src/main.rs:60:7
Dec 01 05:15:45.963 INFO [stderr]    |
Dec 01 05:15:45.963 INFO [stderr] 60 |   let x: Option<i32> = Option::Some(5);
Dec 01 05:15:45.963 INFO [stderr]    |       ^ help: consider using `_x` instead
Dec 01 05:15:45.963 INFO [stderr]    |
Dec 01 05:15:45.963 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 05:15:45.963 INFO [stderr] 
Dec 01 05:15:45.963 INFO [stderr] warning: unused variable: `q`
Dec 01 05:15:45.963 INFO [stderr]   --> src/main.rs:62:7
Dec 01 05:15:45.963 INFO [stderr]    |
Dec 01 05:15:45.963 INFO [stderr] 62 |   let q: Option<f64> = Option::Some(5f64);
Dec 01 05:15:45.963 INFO [stderr]    |       ^ help: consider using `_q` instead
Dec 01 05:15:45.963 INFO [stderr] 
Dec 01 05:15:45.963 INFO [stderr] warning: unused variable: `b`
Dec 01 05:15:45.963 INFO [stderr]   --> src/main.rs:71:7
Dec 01 05:15:45.963 INFO [stderr]    |
Dec 01 05:15:45.963 INFO [stderr] 71 |   let b = 10;
Dec 01 05:15:45.963 INFO [stderr]    |       ^ help: consider using `_b` instead
Dec 01 05:15:45.963 INFO [stderr] 
Dec 01 05:15:45.971 INFO [stderr] warning: variant is never constructed: `None`
Dec 01 05:15:45.971 INFO [stderr]   --> src/main.rs:49:3
Dec 01 05:15:45.972 INFO [stderr]    |
Dec 01 05:15:45.972 INFO [stderr] 49 |   None
Dec 01 05:15:45.972 INFO [stderr]    |   ^^^^
Dec 01 05:15:45.972 INFO [stderr]    |
Dec 01 05:15:45.972 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 05:15:45.972 INFO [stderr] 
Dec 01 05:15:45.973 INFO [stderr] warning: enum is never used: `Result`
Dec 01 05:15:45.973 INFO [stderr]   --> src/main.rs:53:1
Dec 01 05:15:45.973 INFO [stderr]    |
Dec 01 05:15:45.973 INFO [stderr] 53 | enum Result<T, E> {
Dec 01 05:15:45.973 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 01 05:15:45.974 INFO [stderr] 
Dec 01 05:15:46.423 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 01 05:15:46.426 INFO [stderr] su: No module specific data is present
Dec 01 05:15:47.043 INFO running `"docker" "inspect" "e8003538b398f204be05fb98bdb242f1b6723f9daf3cb6e4139952a364b1edaf"`
Dec 01 05:15:47.287 INFO running `"docker" "rm" "-f" "e8003538b398f204be05fb98bdb242f1b6723f9daf3cb6e4139952a364b1edaf"`
Dec 01 05:15:47.546 INFO [stdout] e8003538b398f204be05fb98bdb242f1b6723f9daf3cb6e4139952a364b1edaf
Dec 01 05:15:47.551 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 05:15:48.117 INFO [stdout] 5f41da6616547a5143ae026cbe0c5c3f3c67f4f49541b04c89a54f32c4abd364
Dec 01 05:15:48.121 INFO running `"docker" "start" "-a" "5f41da6616547a5143ae026cbe0c5c3f3c67f4f49541b04c89a54f32c4abd364"`
Dec 01 05:15:49.546 INFO [stderr] usermod: no changes
Dec 01 05:15:49.587 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 01 05:15:49.593 INFO [stderr]      Running /target/debug/deps/guessing-74c6668087462486
Dec 01 05:15:49.601 INFO [stdout] 
Dec 01 05:15:49.601 INFO [stdout] running 0 tests
Dec 01 05:15:49.602 INFO [stdout] 
Dec 01 05:15:49.602 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 05:15:49.603 INFO [stdout] 
Dec 01 05:15:49.604 INFO [stderr] su: No module specific data is present
Dec 01 05:15:50.444 INFO running `"docker" "inspect" "5f41da6616547a5143ae026cbe0c5c3f3c67f4f49541b04c89a54f32c4abd364"`
Dec 01 05:15:50.783 INFO running `"docker" "rm" "-f" "5f41da6616547a5143ae026cbe0c5c3f3c67f4f49541b04c89a54f32c4abd364"`
Dec 01 05:15:51.175 INFO [stdout] 5f41da6616547a5143ae026cbe0c5c3f3c67f4f49541b04c89a54f32c4abd364
