Dec 02 08:35:25.080 INFO testing ConceptsDemo/rust-example against 1.30.1 for beta-1.31-5
Dec 02 08:35:25.080 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02 08:35:25.510 INFO [stdout] addda8cd94c290824061a9678462e75fc165b72f5ab11fbd09a3358f59caefbd
Dec 02 08:35:25.519 INFO running `"docker" "start" "-a" "addda8cd94c290824061a9678462e75fc165b72f5ab11fbd09a3358f59caefbd"`
Dec 02 08:35:26.524 INFO [stderr] usermod: no changes
Dec 02 08:35:26.568 INFO [stderr]    Compiling rust-example v0.1.0 (/source)
Dec 02 08:35:27.067 INFO [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize`
Dec 02 08:35:27.067 INFO [stderr]  --> src/main.rs:1:15
Dec 02 08:35:27.067 INFO [stderr]   |
Dec 02 08:35:27.067 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize};
Dec 02 08:35:27.067 INFO [stderr]   |               ^^^       ^^^  ^^  ^^^       ^^^  ^^^              ^^^^^
Dec 02 08:35:27.067 INFO [stderr]   |
Dec 02 08:35:27.067 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 08:35:27.067 INFO [stderr] 
Dec 02 08:35:27.262 INFO [stderr] warning: unused variable: `age`
Dec 02 08:35:27.262 INFO [stderr]  --> src/main.rs:7:13
Dec 02 08:35:27.262 INFO [stderr]   |
Dec 02 08:35:27.262 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 02 08:35:27.262 INFO [stderr]   |             ^^^ help: consider using `_age` instead
Dec 02 08:35:27.262 INFO [stderr]   |
Dec 02 08:35:27.262 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 02 08:35:27.262 INFO [stderr] 
Dec 02 08:35:27.262 INFO [stderr] warning: unused variable: `count`
Dec 02 08:35:27.262 INFO [stderr]   --> src/main.rs:64:6
Dec 02 08:35:27.262 INFO [stderr]    |
Dec 02 08:35:27.262 INFO [stderr] 64 |     let count = rand_string.chars().count();
Dec 02 08:35:27.262 INFO [stderr]    |         ^^^^^ help: consider using `_count` instead
Dec 02 08:35:27.262 INFO [stderr] 
Dec 02 08:35:27.262 INFO [stderr] warning: unused variable: `rand_tuple`
Dec 02 08:35:27.262 INFO [stderr]    --> src/main.rs:134:6
Dec 02 08:35:27.263 INFO [stderr]     |
Dec 02 08:35:27.263 INFO [stderr] 134 |     let rand_tuple = ("Vancir", 30);
Dec 02 08:35:27.263 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_rand_tuple` instead
Dec 02 08:35:27.263 INFO [stderr] 
Dec 02 08:35:27.263 INFO [stderr] warning: unused variable: `quicksilver`
Dec 02 08:35:27.263 INFO [stderr]    --> src/main.rs:172:6
Dec 02 08:35:27.263 INFO [stderr]     |
Dec 02 08:35:27.263 INFO [stderr] 172 |     let quicksilver = Hero::Fast;
Dec 02 08:35:27.263 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_quicksilver` instead
Dec 02 08:35:27.263 INFO [stderr] 
Dec 02 08:35:27.291 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:35:27.291 INFO [stderr]  --> src/main.rs:7:9
Dec 02 08:35:27.291 INFO [stderr]   |
Dec 02 08:35:27.291 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 02 08:35:27.291 INFO [stderr]   |         ----^^^
Dec 02 08:35:27.291 INFO [stderr]   |         |
Dec 02 08:35:27.291 INFO [stderr]   |         help: remove this `mut`
Dec 02 08:35:27.291 INFO [stderr]   |
Dec 02 08:35:27.291 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 02 08:35:27.291 INFO [stderr] 
Dec 02 08:35:27.291 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:35:27.291 INFO [stderr]   --> src/main.rs:18:6
Dec 02 08:35:27.291 INFO [stderr]    |
Dec 02 08:35:27.291 INFO [stderr] 18 |     let mut var = -4i32;
Dec 02 08:35:27.291 INFO [stderr]    |         ----^^^
Dec 02 08:35:27.291 INFO [stderr]    |         |
Dec 02 08:35:27.291 INFO [stderr]    |         help: remove this `mut`
Dec 02 08:35:27.291 INFO [stderr] 
Dec 02 08:35:27.291 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:35:27.291 INFO [stderr]    --> src/main.rs:153:6
Dec 02 08:35:27.291 INFO [stderr]     |
Dec 02 08:35:27.291 INFO [stderr] 153 |     let mut circle1 = Circle {
Dec 02 08:35:27.291 INFO [stderr]     |         ----^^^^^^^
Dec 02 08:35:27.291 INFO [stderr]     |         |
Dec 02 08:35:27.291 INFO [stderr]     |         help: remove this `mut`
Dec 02 08:35:27.291 INFO [stderr] 
Dec 02 08:35:27.291 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:35:27.291 INFO [stderr]    --> src/main.rs:166:6
Dec 02 08:35:27.291 INFO [stderr]     |
Dec 02 08:35:27.291 INFO [stderr] 166 |     let mut rect1 = Rectangle {
Dec 02 08:35:27.291 INFO [stderr]     |         ----^^^^^
Dec 02 08:35:27.291 INFO [stderr]     |         |
Dec 02 08:35:27.291 INFO [stderr]     |         help: remove this `mut`
Dec 02 08:35:27.291 INFO [stderr] 
Dec 02 08:35:27.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Dec 02 08:35:27.919 INFO [stderr] su: No module specific data is present
Dec 02 08:35:28.656 INFO running `"docker" "inspect" "addda8cd94c290824061a9678462e75fc165b72f5ab11fbd09a3358f59caefbd"`
Dec 02 08:35:28.973 INFO running `"docker" "rm" "-f" "addda8cd94c290824061a9678462e75fc165b72f5ab11fbd09a3358f59caefbd"`
Dec 02 08:35:29.278 INFO [stdout] addda8cd94c290824061a9678462e75fc165b72f5ab11fbd09a3358f59caefbd
Dec 02 08:35:29.287 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02 08:35:29.744 INFO [stdout] bd0a5683d56306e172ba56e9b2ba1bd98659d2077d5f280c7384e5c03c189552
Dec 02 08:35:29.747 INFO running `"docker" "start" "-a" "bd0a5683d56306e172ba56e9b2ba1bd98659d2077d5f280c7384e5c03c189552"`
Dec 02 08:35:31.203 INFO [stderr] usermod: no changes
Dec 02 08:35:31.303 INFO [stderr]    Compiling rust-example v0.1.0 (/source)
Dec 02 08:35:32.007 INFO [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize`
Dec 02 08:35:32.007 INFO [stderr]  --> src/main.rs:1:15
Dec 02 08:35:32.007 INFO [stderr]   |
Dec 02 08:35:32.007 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize};
Dec 02 08:35:32.007 INFO [stderr]   |               ^^^       ^^^  ^^  ^^^       ^^^  ^^^              ^^^^^
Dec 02 08:35:32.007 INFO [stderr]   |
Dec 02 08:35:32.007 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 08:35:32.007 INFO [stderr] 
Dec 02 08:35:32.163 INFO [stderr] warning: unused variable: `age`
Dec 02 08:35:32.163 INFO [stderr]  --> src/main.rs:7:13
Dec 02 08:35:32.163 INFO [stderr]   |
Dec 02 08:35:32.163 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 02 08:35:32.163 INFO [stderr]   |             ^^^ help: consider using `_age` instead
Dec 02 08:35:32.163 INFO [stderr]   |
Dec 02 08:35:32.163 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 02 08:35:32.163 INFO [stderr] 
Dec 02 08:35:32.163 INFO [stderr] warning: unused variable: `count`
Dec 02 08:35:32.163 INFO [stderr]   --> src/main.rs:64:6
Dec 02 08:35:32.163 INFO [stderr]    |
Dec 02 08:35:32.163 INFO [stderr] 64 |     let count = rand_string.chars().count();
Dec 02 08:35:32.163 INFO [stderr]    |         ^^^^^ help: consider using `_count` instead
Dec 02 08:35:32.163 INFO [stderr] 
Dec 02 08:35:32.163 INFO [stderr] warning: unused variable: `rand_tuple`
Dec 02 08:35:32.163 INFO [stderr]    --> src/main.rs:134:6
Dec 02 08:35:32.163 INFO [stderr]     |
Dec 02 08:35:32.163 INFO [stderr] 134 |     let rand_tuple = ("Vancir", 30);
Dec 02 08:35:32.163 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_rand_tuple` instead
Dec 02 08:35:32.163 INFO [stderr] 
Dec 02 08:35:32.163 INFO [stderr] warning: unused variable: `quicksilver`
Dec 02 08:35:32.163 INFO [stderr]    --> src/main.rs:172:6
Dec 02 08:35:32.163 INFO [stderr]     |
Dec 02 08:35:32.163 INFO [stderr] 172 |     let quicksilver = Hero::Fast;
Dec 02 08:35:32.163 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_quicksilver` instead
Dec 02 08:35:32.163 INFO [stderr] 
Dec 02 08:35:32.195 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:35:32.195 INFO [stderr]  --> src/main.rs:7:9
Dec 02 08:35:32.195 INFO [stderr]   |
Dec 02 08:35:32.195 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 02 08:35:32.195 INFO [stderr]   |         ----^^^
Dec 02 08:35:32.195 INFO [stderr]   |         |
Dec 02 08:35:32.195 INFO [stderr]   |         help: remove this `mut`
Dec 02 08:35:32.195 INFO [stderr]   |
Dec 02 08:35:32.195 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 02 08:35:32.195 INFO [stderr] 
Dec 02 08:35:32.195 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:35:32.195 INFO [stderr]   --> src/main.rs:18:6
Dec 02 08:35:32.195 INFO [stderr]    |
Dec 02 08:35:32.195 INFO [stderr] 18 |     let mut var = -4i32;
Dec 02 08:35:32.195 INFO [stderr]    |         ----^^^
Dec 02 08:35:32.195 INFO [stderr]    |         |
Dec 02 08:35:32.195 INFO [stderr]    |         help: remove this `mut`
Dec 02 08:35:32.195 INFO [stderr] 
Dec 02 08:35:32.195 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:35:32.195 INFO [stderr]    --> src/main.rs:153:6
Dec 02 08:35:32.195 INFO [stderr]     |
Dec 02 08:35:32.195 INFO [stderr] 153 |     let mut circle1 = Circle {
Dec 02 08:35:32.195 INFO [stderr]     |         ----^^^^^^^
Dec 02 08:35:32.195 INFO [stderr]     |         |
Dec 02 08:35:32.195 INFO [stderr]     |         help: remove this `mut`
Dec 02 08:35:32.195 INFO [stderr] 
Dec 02 08:35:32.195 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:35:32.195 INFO [stderr]    --> src/main.rs:166:6
Dec 02 08:35:32.195 INFO [stderr]     |
Dec 02 08:35:32.195 INFO [stderr] 166 |     let mut rect1 = Rectangle {
Dec 02 08:35:32.195 INFO [stderr]     |         ----^^^^^
Dec 02 08:35:32.195 INFO [stderr]     |         |
Dec 02 08:35:32.195 INFO [stderr]     |         help: remove this `mut`
Dec 02 08:35:32.195 INFO [stderr] 
Dec 02 08:35:32.643 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 02 08:35:32.646 INFO [stderr] su: No module specific data is present
Dec 02 08:35:33.261 INFO running `"docker" "inspect" "bd0a5683d56306e172ba56e9b2ba1bd98659d2077d5f280c7384e5c03c189552"`
Dec 02 08:35:33.464 INFO running `"docker" "rm" "-f" "bd0a5683d56306e172ba56e9b2ba1bd98659d2077d5f280c7384e5c03c189552"`
Dec 02 08:35:33.663 INFO [stdout] bd0a5683d56306e172ba56e9b2ba1bd98659d2077d5f280c7384e5c03c189552
Dec 02 08:35:33.668 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02 08:35:34.015 INFO [stdout] b035cef4c62ffc80edf4ce1a36994f9dbe5180dc9416b0fac2a82752f744c23e
Dec 02 08:35:34.019 INFO running `"docker" "start" "-a" "b035cef4c62ffc80edf4ce1a36994f9dbe5180dc9416b0fac2a82752f744c23e"`
Dec 02 08:35:34.833 INFO [stderr] usermod: no changes
Dec 02 08:35:34.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 02 08:35:34.858 INFO [stderr]      Running /target/debug/deps/rust_example-ca2e3268f04fe06c
Dec 02 08:35:34.860 INFO [stdout] 
Dec 02 08:35:34.860 INFO [stdout] running 0 tests
Dec 02 08:35:34.860 INFO [stdout] 
Dec 02 08:35:34.860 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 08:35:34.860 INFO [stdout] 
Dec 02 08:35:34.861 INFO [stderr] su: No module specific data is present
Dec 02 08:35:35.144 INFO running `"docker" "inspect" "b035cef4c62ffc80edf4ce1a36994f9dbe5180dc9416b0fac2a82752f744c23e"`
Dec 02 08:35:35.240 INFO running `"docker" "rm" "-f" "b035cef4c62ffc80edf4ce1a36994f9dbe5180dc9416b0fac2a82752f744c23e"`
Dec 02 08:35:35.353 INFO [stdout] b035cef4c62ffc80edf4ce1a36994f9dbe5180dc9416b0fac2a82752f744c23e
