Dec 11 16:57:39.344 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-primitives against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:57:39.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 16:57:39.478 INFO [stdout] 72c3c7e72f74dfa2cbbfe8994d3eb88abc0fe27ffe82dd4a8cd7155368652e1b
Dec 11 16:57:39.480 INFO running `"docker" "start" "-a" "72c3c7e72f74dfa2cbbfe8994d3eb88abc0fe27ffe82dd4a8cd7155368652e1b"`
Dec 11 16:57:39.839 INFO [stderr] usermod: no changes
Dec 11 16:57:39.875 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-primitives v0.1.0 (/source)
Dec 11 16:57:40.216 INFO [stderr] warning: unused variable: `logical`
Dec 11 16:57:40.216 INFO [stderr]  --> src/main.rs:3:9
Dec 11 16:57:40.216 INFO [stderr]   |
Dec 11 16:57:40.216 INFO [stderr] 3 |     let logical: bool = true;
Dec 11 16:57:40.216 INFO [stderr]   |         ^^^^^^^ help: consider using `_logical` instead
Dec 11 16:57:40.216 INFO [stderr]   |
Dec 11 16:57:40.216 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 16:57:40.216 INFO [stderr] 
Dec 11 16:57:40.216 INFO [stderr] warning: unused variable: `a_float`
Dec 11 16:57:40.216 INFO [stderr]  --> src/main.rs:5:9
Dec 11 16:57:40.216 INFO [stderr]   |
Dec 11 16:57:40.216 INFO [stderr] 5 |     let a_float: f64 = 1.0;  // Regular annotation
Dec 11 16:57:40.216 INFO [stderr]   |         ^^^^^^^ help: consider using `_a_float` instead
Dec 11 16:57:40.217 INFO [stderr] 
Dec 11 16:57:40.217 INFO [stderr] warning: unused variable: `an_integer`
Dec 11 16:57:40.217 INFO [stderr]  --> src/main.rs:6:9
Dec 11 16:57:40.217 INFO [stderr]   |
Dec 11 16:57:40.217 INFO [stderr] 6 |     let an_integer   = 5i32; // Suffix annotation
Dec 11 16:57:40.217 INFO [stderr]   |         ^^^^^^^^^^ help: consider using `_an_integer` instead
Dec 11 16:57:40.217 INFO [stderr] 
Dec 11 16:57:40.217 INFO [stderr] warning: unused variable: `default_float`
Dec 11 16:57:40.217 INFO [stderr]  --> src/main.rs:9:9
Dec 11 16:57:40.217 INFO [stderr]   |
Dec 11 16:57:40.217 INFO [stderr] 9 |     let default_float   = 3.0; // `f64`
Dec 11 16:57:40.217 INFO [stderr]   |         ^^^^^^^^^^^^^ help: consider using `_default_float` instead
Dec 11 16:57:40.217 INFO [stderr] 
Dec 11 16:57:40.217 INFO [stderr] warning: unused variable: `default_integer`
Dec 11 16:57:40.217 INFO [stderr]   --> src/main.rs:10:9
Dec 11 16:57:40.217 INFO [stderr]    |
Dec 11 16:57:40.217 INFO [stderr] 10 |     let default_integer = 7;   // `i32`
Dec 11 16:57:40.217 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_default_integer` instead
Dec 11 16:57:40.217 INFO [stderr] 
Dec 11 16:57:40.217 INFO [stderr] warning: unused variable: `mutable`
Dec 11 16:57:40.217 INFO [stderr]   --> src/main.rs:12:13
Dec 11 16:57:40.217 INFO [stderr]    |
Dec 11 16:57:40.217 INFO [stderr] 12 |     let mut mutable = 12; // Mutable `i32`.
Dec 11 16:57:40.217 INFO [stderr]    |             ^^^^^^^ help: consider using `_mutable` instead
Dec 11 16:57:40.217 INFO [stderr] 
Dec 11 16:57:40.217 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:57:40.217 INFO [stderr]   --> src/main.rs:12:9
Dec 11 16:57:40.217 INFO [stderr]    |
Dec 11 16:57:40.217 INFO [stderr] 12 |     let mut mutable = 12; // Mutable `i32`.
Dec 11 16:57:40.217 INFO [stderr]    |         ----^^^^^^^
Dec 11 16:57:40.217 INFO [stderr]    |         |
Dec 11 16:57:40.217 INFO [stderr]    |         help: remove this `mut`
Dec 11 16:57:40.217 INFO [stderr]    |
Dec 11 16:57:40.217 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 16:57:40.217 INFO [stderr] 
Dec 11 16:57:40.231 INFO [stderr] warning: unused variable: `logical`
Dec 11 16:57:40.231 INFO [stderr]  --> src/main.rs:3:9
Dec 11 16:57:40.231 INFO [stderr]   |
Dec 11 16:57:40.231 INFO [stderr] 3 |     let logical: bool = true;
Dec 11 16:57:40.231 INFO [stderr]   |         ^^^^^^^ help: consider using `_logical` instead
Dec 11 16:57:40.231 INFO [stderr]   |
Dec 11 16:57:40.231 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 16:57:40.231 INFO [stderr] 
Dec 11 16:57:40.231 INFO [stderr] warning: unused variable: `a_float`
Dec 11 16:57:40.231 INFO [stderr]  --> src/main.rs:5:9
Dec 11 16:57:40.231 INFO [stderr]   |
Dec 11 16:57:40.231 INFO [stderr] 5 |     let a_float: f64 = 1.0;  // Regular annotation
Dec 11 16:57:40.231 INFO [stderr]   |         ^^^^^^^ help: consider using `_a_float` instead
Dec 11 16:57:40.231 INFO [stderr] 
Dec 11 16:57:40.231 INFO [stderr] warning: unused variable: `an_integer`
Dec 11 16:57:40.231 INFO [stderr]  --> src/main.rs:6:9
Dec 11 16:57:40.231 INFO [stderr]   |
Dec 11 16:57:40.231 INFO [stderr] 6 |     let an_integer   = 5i32; // Suffix annotation
Dec 11 16:57:40.231 INFO [stderr]   |         ^^^^^^^^^^ help: consider using `_an_integer` instead
Dec 11 16:57:40.231 INFO [stderr] 
Dec 11 16:57:40.231 INFO [stderr] warning: unused variable: `default_float`
Dec 11 16:57:40.231 INFO [stderr]  --> src/main.rs:9:9
Dec 11 16:57:40.231 INFO [stderr]   |
Dec 11 16:57:40.231 INFO [stderr] 9 |     let default_float   = 3.0; // `f64`
Dec 11 16:57:40.231 INFO [stderr]   |         ^^^^^^^^^^^^^ help: consider using `_default_float` instead
Dec 11 16:57:40.231 INFO [stderr] 
Dec 11 16:57:40.231 INFO [stderr] warning: unused variable: `default_integer`
Dec 11 16:57:40.231 INFO [stderr]   --> src/main.rs:10:9
Dec 11 16:57:40.231 INFO [stderr]    |
Dec 11 16:57:40.231 INFO [stderr] 10 |     let default_integer = 7;   // `i32`
Dec 11 16:57:40.232 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_default_integer` instead
Dec 11 16:57:40.232 INFO [stderr] 
Dec 11 16:57:40.232 INFO [stderr] warning: unused variable: `mutable`
Dec 11 16:57:40.232 INFO [stderr]   --> src/main.rs:12:13
Dec 11 16:57:40.232 INFO [stderr]    |
Dec 11 16:57:40.232 INFO [stderr] 12 |     let mut mutable = 12; // Mutable `i32`.
Dec 11 16:57:40.232 INFO [stderr]    |             ^^^^^^^ help: consider using `_mutable` instead
Dec 11 16:57:40.232 INFO [stderr] 
Dec 11 16:57:40.234 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:57:40.234 INFO [stderr]   --> src/main.rs:12:9
Dec 11 16:57:40.234 INFO [stderr]    |
Dec 11 16:57:40.234 INFO [stderr] 12 |     let mut mutable = 12; // Mutable `i32`.
Dec 11 16:57:40.234 INFO [stderr]    |         ----^^^^^^^
Dec 11 16:57:40.234 INFO [stderr]    |         |
Dec 11 16:57:40.234 INFO [stderr]    |         help: remove this `mut`
Dec 11 16:57:40.234 INFO [stderr]    |
Dec 11 16:57:40.234 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 16:57:40.234 INFO [stderr] 
Dec 11 16:57:40.242 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Dec 11 16:57:40.244 INFO [stderr] su: No module specific data is present
Dec 11 16:57:40.501 INFO running `"docker" "inspect" "72c3c7e72f74dfa2cbbfe8994d3eb88abc0fe27ffe82dd4a8cd7155368652e1b"`
Dec 11 16:57:40.602 INFO running `"docker" "rm" "-f" "72c3c7e72f74dfa2cbbfe8994d3eb88abc0fe27ffe82dd4a8cd7155368652e1b"`
Dec 11 16:57:40.752 INFO [stdout] 72c3c7e72f74dfa2cbbfe8994d3eb88abc0fe27ffe82dd4a8cd7155368652e1b