Dec 01 14:59:10.863 INFO testing intrepion/example-x-rust-x-rustbyexample-com-x-primitives against 1.30.1 for beta-1.31-5
Dec 01 14:59:10.863 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14:59:11.007 INFO [stdout] b8c33fe02194e743e5878f3cc0a4f0c5c5d6d0daa7ef2a5fe41667e8e16dfe46
Dec 01 14:59:11.009 INFO running `"docker" "start" "-a" "b8c33fe02194e743e5878f3cc0a4f0c5c5d6d0daa7ef2a5fe41667e8e16dfe46"`
Dec 01 14:59:11.533 INFO [stderr] usermod: no changes
Dec 01 14:59:11.559 INFO [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-primitives v0.1.0 (/source)
Dec 01 14:59:11.806 INFO [stderr] warning: unused variable: `logical`
Dec 01 14:59:11.806 INFO [stderr]  --> src/main.rs:3:9
Dec 01 14:59:11.806 INFO [stderr]   |
Dec 01 14:59:11.806 INFO [stderr] 3 |     let logical: bool = true;
Dec 01 14:59:11.806 INFO [stderr]   |         ^^^^^^^ help: consider using `_logical` instead
Dec 01 14:59:11.806 INFO [stderr]   |
Dec 01 14:59:11.806 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 01 14:59:11.806 INFO [stderr] 
Dec 01 14:59:11.806 INFO [stderr] warning: unused variable: `a_float`
Dec 01 14:59:11.806 INFO [stderr]  --> src/main.rs:5:9
Dec 01 14:59:11.806 INFO [stderr]   |
Dec 01 14:59:11.806 INFO [stderr] 5 |     let a_float: f64 = 1.0;  // Regular annotation
Dec 01 14:59:11.806 INFO [stderr]   |         ^^^^^^^ help: consider using `_a_float` instead
Dec 01 14:59:11.806 INFO [stderr] 
Dec 01 14:59:11.806 INFO [stderr] warning: unused variable: `an_integer`
Dec 01 14:59:11.806 INFO [stderr]  --> src/main.rs:6:9
Dec 01 14:59:11.806 INFO [stderr]   |
Dec 01 14:59:11.806 INFO [stderr] 6 |     let an_integer   = 5i32; // Suffix annotation
Dec 01 14:59:11.806 INFO [stderr]   |         ^^^^^^^^^^ help: consider using `_an_integer` instead
Dec 01 14:59:11.806 INFO [stderr] 
Dec 01 14:59:11.806 INFO [stderr] warning: unused variable: `default_float`
Dec 01 14:59:11.806 INFO [stderr]  --> src/main.rs:9:9
Dec 01 14:59:11.806 INFO [stderr]   |
Dec 01 14:59:11.806 INFO [stderr] 9 |     let default_float   = 3.0; // `f64`
Dec 01 14:59:11.806 INFO [stderr]   |         ^^^^^^^^^^^^^ help: consider using `_default_float` instead
Dec 01 14:59:11.806 INFO [stderr] 
Dec 01 14:59:11.809 INFO [stderr] warning: unused variable: `default_integer`
Dec 01 14:59:11.809 INFO [stderr]   --> src/main.rs:10:9
Dec 01 14:59:11.809 INFO [stderr]    |
Dec 01 14:59:11.809 INFO [stderr] 10 |     let default_integer = 7;   // `i32`
Dec 01 14:59:11.809 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_default_integer` instead
Dec 01 14:59:11.809 INFO [stderr] 
Dec 01 14:59:11.809 INFO [stderr] warning: unused variable: `mutable`
Dec 01 14:59:11.809 INFO [stderr]   --> src/main.rs:12:13
Dec 01 14:59:11.809 INFO [stderr]    |
Dec 01 14:59:11.809 INFO [stderr] 12 |     let mut mutable = 12; // Mutable `i32`.
Dec 01 14:59:11.809 INFO [stderr]    |             ^^^^^^^ help: consider using `_mutable` instead
Dec 01 14:59:11.809 INFO [stderr] 
Dec 01 14:59:11.809 INFO [stderr] warning: variable does not need to be mutable
Dec 01 14:59:11.809 INFO [stderr]   --> src/main.rs:12:9
Dec 01 14:59:11.809 INFO [stderr]    |
Dec 01 14:59:11.809 INFO [stderr] 12 |     let mut mutable = 12; // Mutable `i32`.
Dec 01 14:59:11.809 INFO [stderr]    |         ----^^^^^^^
Dec 01 14:59:11.809 INFO [stderr]    |         |
Dec 01 14:59:11.809 INFO [stderr]    |         help: remove this `mut`
Dec 01 14:59:11.809 INFO [stderr]    |
Dec 01 14:59:11.809 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 14:59:11.809 INFO [stderr] 
Dec 01 14:59:12.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 01 14:59:12.034 INFO [stderr] su: No module specific data is present
Dec 01 14:59:12.324 INFO running `"docker" "inspect" "b8c33fe02194e743e5878f3cc0a4f0c5c5d6d0daa7ef2a5fe41667e8e16dfe46"`
Dec 01 14:59:12.436 INFO running `"docker" "rm" "-f" "b8c33fe02194e743e5878f3cc0a4f0c5c5d6d0daa7ef2a5fe41667e8e16dfe46"`
Dec 01 14:59:12.510 INFO [stdout] b8c33fe02194e743e5878f3cc0a4f0c5c5d6d0daa7ef2a5fe41667e8e16dfe46
Dec 01 14:59:12.512 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14:59:12.702 INFO [stdout] 40e33d83f9067d9bc54295bcf021b7a73f8725dde8496852b84176bcd7a992f0
Dec 01 14:59:12.705 INFO running `"docker" "start" "-a" "40e33d83f9067d9bc54295bcf021b7a73f8725dde8496852b84176bcd7a992f0"`
Dec 01 14:59:13.087 INFO [stderr] usermod: no changes
Dec 01 14:59:13.113 INFO [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-primitives v0.1.0 (/source)
Dec 01 14:59:13.444 INFO [stderr] warning: unused variable: `logical`
Dec 01 14:59:13.444 INFO [stderr]  --> src/main.rs:3:9
Dec 01 14:59:13.444 INFO [stderr]   |
Dec 01 14:59:13.444 INFO [stderr] 3 |     let logical: bool = true;
Dec 01 14:59:13.444 INFO [stderr]   |         ^^^^^^^ help: consider using `_logical` instead
Dec 01 14:59:13.444 INFO [stderr]   |
Dec 01 14:59:13.445 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 01 14:59:13.445 INFO [stderr] 
Dec 01 14:59:13.445 INFO [stderr] warning: unused variable: `a_float`
Dec 01 14:59:13.445 INFO [stderr]  --> src/main.rs:5:9
Dec 01 14:59:13.445 INFO [stderr]   |
Dec 01 14:59:13.445 INFO [stderr] 5 |     let a_float: f64 = 1.0;  // Regular annotation
Dec 01 14:59:13.445 INFO [stderr]   |         ^^^^^^^ help: consider using `_a_float` instead
Dec 01 14:59:13.445 INFO [stderr] 
Dec 01 14:59:13.445 INFO [stderr] warning: unused variable: `an_integer`
Dec 01 14:59:13.445 INFO [stderr]  --> src/main.rs:6:9
Dec 01 14:59:13.445 INFO [stderr]   |
Dec 01 14:59:13.445 INFO [stderr] 6 |     let an_integer   = 5i32; // Suffix annotation
Dec 01 14:59:13.445 INFO [stderr]   |         ^^^^^^^^^^ help: consider using `_an_integer` instead
Dec 01 14:59:13.445 INFO [stderr] 
Dec 01 14:59:13.445 INFO [stderr] warning: unused variable: `default_float`
Dec 01 14:59:13.445 INFO [stderr]  --> src/main.rs:9:9
Dec 01 14:59:13.445 INFO [stderr]   |
Dec 01 14:59:13.445 INFO [stderr] 9 |     let default_float   = 3.0; // `f64`
Dec 01 14:59:13.445 INFO [stderr]   |         ^^^^^^^^^^^^^ help: consider using `_default_float` instead
Dec 01 14:59:13.445 INFO [stderr] 
Dec 01 14:59:13.445 INFO [stderr] warning: unused variable: `default_integer`
Dec 01 14:59:13.445 INFO [stderr]   --> src/main.rs:10:9
Dec 01 14:59:13.445 INFO [stderr]    |
Dec 01 14:59:13.445 INFO [stderr] 10 |     let default_integer = 7;   // `i32`
Dec 01 14:59:13.445 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_default_integer` instead
Dec 01 14:59:13.445 INFO [stderr] 
Dec 01 14:59:13.446 INFO [stderr] warning: unused variable: `mutable`
Dec 01 14:59:13.446 INFO [stderr]   --> src/main.rs:12:13
Dec 01 14:59:13.446 INFO [stderr]    |
Dec 01 14:59:13.446 INFO [stderr] 12 |     let mut mutable = 12; // Mutable `i32`.
Dec 01 14:59:13.446 INFO [stderr]    |             ^^^^^^^ help: consider using `_mutable` instead
Dec 01 14:59:13.446 INFO [stderr] 
Dec 01 14:59:13.446 INFO [stderr] warning: variable does not need to be mutable
Dec 01 14:59:13.446 INFO [stderr]   --> src/main.rs:12:9
Dec 01 14:59:13.446 INFO [stderr]    |
Dec 01 14:59:13.446 INFO [stderr] 12 |     let mut mutable = 12; // Mutable `i32`.
Dec 01 14:59:13.446 INFO [stderr]    |         ----^^^^^^^
Dec 01 14:59:13.446 INFO [stderr]    |         |
Dec 01 14:59:13.446 INFO [stderr]    |         help: remove this `mut`
Dec 01 14:59:13.446 INFO [stderr]    |
Dec 01 14:59:13.446 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 14:59:13.446 INFO [stderr] 
Dec 01 14:59:13.818 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 01 14:59:13.820 INFO [stderr] su: No module specific data is present
Dec 01 14:59:14.100 INFO running `"docker" "inspect" "40e33d83f9067d9bc54295bcf021b7a73f8725dde8496852b84176bcd7a992f0"`
Dec 01 14:59:14.198 INFO running `"docker" "rm" "-f" "40e33d83f9067d9bc54295bcf021b7a73f8725dde8496852b84176bcd7a992f0"`
Dec 01 14:59:14.359 INFO [stdout] 40e33d83f9067d9bc54295bcf021b7a73f8725dde8496852b84176bcd7a992f0
Dec 01 14:59:14.363 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14:59:14.538 INFO [stdout] 59233d5558c30bdc4628cf60de6f17cf159e9115e26ad59fb4f8a7e1698553b1
Dec 01 14:59:14.540 INFO running `"docker" "start" "-a" "59233d5558c30bdc4628cf60de6f17cf159e9115e26ad59fb4f8a7e1698553b1"`
Dec 01 14:59:15.002 INFO [stderr] usermod: no changes
Dec 01 14:59:15.035 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 01 14:59:15.035 INFO [stderr]      Running /target/debug/deps/example_x_rust_x_rustbyexample_com_x_primitives-0d57a8ab58e0991e
Dec 01 14:59:15.037 INFO [stdout] 
Dec 01 14:59:15.037 INFO [stdout] running 0 tests
Dec 01 14:59:15.037 INFO [stdout] 
Dec 01 14:59:15.037 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 14:59:15.037 INFO [stdout] 
Dec 01 14:59:15.040 INFO [stderr] su: No module specific data is present
Dec 01 14:59:15.267 INFO running `"docker" "inspect" "59233d5558c30bdc4628cf60de6f17cf159e9115e26ad59fb4f8a7e1698553b1"`
Dec 01 14:59:15.330 INFO running `"docker" "rm" "-f" "59233d5558c30bdc4628cf60de6f17cf159e9115e26ad59fb4f8a7e1698553b1"`
Dec 01 14:59:15.419 INFO [stdout] 59233d5558c30bdc4628cf60de6f17cf159e9115e26ad59fb4f8a7e1698553b1
