Nov 28 14:05:44.747 INFO checking ConceptsDemo/rust-example against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 14:05:44.748 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 14:05:45.226 INFO [stdout] 19f838db60542b10675518285dc11dfd5d195e2a0fad7503016dc0027ec721ec
Nov 28 14:05:45.228 INFO running `"docker" "start" "-a" "19f838db60542b10675518285dc11dfd5d195e2a0fad7503016dc0027ec721ec"`
Nov 28 14:05:46.956 INFO [stderr] usermod: no changes
Nov 28 14:05:46.995 INFO [stderr]     Checking rust-example v0.1.0 (/source)
Nov 28 14:05:47.605 INFO [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize`
Nov 28 14:05:47.605 INFO [stderr]  --> src/main.rs:1:15
Nov 28 14:05:47.605 INFO [stderr]   |
Nov 28 14:05:47.605 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize};
Nov 28 14:05:47.605 INFO [stderr]   |               ^^^       ^^^  ^^  ^^^       ^^^  ^^^              ^^^^^
Nov 28 14:05:47.605 INFO [stderr]   |
Nov 28 14:05:47.605 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:05:47.606 INFO [stderr] 
Nov 28 14:05:47.660 INFO [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize`
Nov 28 14:05:47.660 INFO [stderr]  --> src/main.rs:1:15
Nov 28 14:05:47.660 INFO [stderr]   |
Nov 28 14:05:47.660 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize};
Nov 28 14:05:47.660 INFO [stderr]   |               ^^^       ^^^  ^^  ^^^       ^^^  ^^^              ^^^^^
Nov 28 14:05:47.660 INFO [stderr]   |
Nov 28 14:05:47.660 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:05:47.660 INFO [stderr] 
Nov 28 14:05:47.905 INFO [stderr] warning: unused variable: `age`
Nov 28 14:05:47.905 INFO [stderr]  --> src/main.rs:7:13
Nov 28 14:05:47.905 INFO [stderr]   |
Nov 28 14:05:47.905 INFO [stderr] 7 |     let mut age : u32 = 100; 
Nov 28 14:05:47.906 INFO [stderr]   |             ^^^ help: consider using `_age` instead
Nov 28 14:05:47.906 INFO [stderr]   |
Nov 28 14:05:47.906 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 28 14:05:47.907 INFO [stderr] 
Nov 28 14:05:47.907 INFO [stderr] warning: unused variable: `count`
Nov 28 14:05:47.907 INFO [stderr]   --> src/main.rs:64:6
Nov 28 14:05:47.907 INFO [stderr]    |
Nov 28 14:05:47.907 INFO [stderr] 64 |     let count = rand_string.chars().count();
Nov 28 14:05:47.908 INFO [stderr]    |         ^^^^^ help: consider using `_count` instead
Nov 28 14:05:47.908 INFO [stderr] 
Nov 28 14:05:47.908 INFO [stderr] warning: unused variable: `rand_tuple`
Nov 28 14:05:47.909 INFO [stderr]    --> src/main.rs:134:6
Nov 28 14:05:47.909 INFO [stderr]     |
Nov 28 14:05:47.909 INFO [stderr] 134 |     let rand_tuple = ("Vancir", 30);
Nov 28 14:05:47.909 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_rand_tuple` instead
Nov 28 14:05:47.910 INFO [stderr] 
Nov 28 14:05:47.910 INFO [stderr] warning: unused variable: `quicksilver`
Nov 28 14:05:47.910 INFO [stderr]    --> src/main.rs:172:6
Nov 28 14:05:47.910 INFO [stderr]     |
Nov 28 14:05:47.911 INFO [stderr] 172 |     let quicksilver = Hero::Fast;
Nov 28 14:05:47.911 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_quicksilver` instead
Nov 28 14:05:47.911 INFO [stderr] 
Nov 28 14:05:47.948 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:05:47.949 INFO [stderr]  --> src/main.rs:7:9
Nov 28 14:05:47.949 INFO [stderr]   |
Nov 28 14:05:47.949 INFO [stderr] 7 |     let mut age : u32 = 100; 
Nov 28 14:05:47.949 INFO [stderr]   |         ----^^^
Nov 28 14:05:47.950 INFO [stderr]   |         |
Nov 28 14:05:47.950 INFO [stderr]   |         help: remove this `mut`
Nov 28 14:05:47.950 INFO [stderr]   |
Nov 28 14:05:47.950 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 28 14:05:47.951 INFO [stderr] 
Nov 28 14:05:47.951 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:05:47.951 INFO [stderr]   --> src/main.rs:18:6
Nov 28 14:05:47.951 INFO [stderr]    |
Nov 28 14:05:47.952 INFO [stderr] 18 |     let mut var = -4i32;
Nov 28 14:05:47.952 INFO [stderr]    |         ----^^^
Nov 28 14:05:47.952 INFO [stderr]    |         |
Nov 28 14:05:47.952 INFO [stderr]    |         help: remove this `mut`
Nov 28 14:05:47.953 INFO [stderr] 
Nov 28 14:05:47.953 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:05:47.953 INFO [stderr]    --> src/main.rs:153:6
Nov 28 14:05:47.954 INFO [stderr]     |
Nov 28 14:05:47.954 INFO [stderr] 153 |     let mut circle1 = Circle {
Nov 28 14:05:47.954 INFO [stderr]     |         ----^^^^^^^
Nov 28 14:05:47.954 INFO [stderr]     |         |
Nov 28 14:05:47.955 INFO [stderr]     |         help: remove this `mut`
Nov 28 14:05:47.955 INFO [stderr] 
Nov 28 14:05:47.955 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:05:47.955 INFO [stderr]    --> src/main.rs:166:6
Nov 28 14:05:47.956 INFO [stderr]     |
Nov 28 14:05:47.956 INFO [stderr] 166 |     let mut rect1 = Rectangle {
Nov 28 14:05:47.956 INFO [stderr]     |         ----^^^^^
Nov 28 14:05:47.957 INFO [stderr]     |         |
Nov 28 14:05:47.957 INFO [stderr]     |         help: remove this `mut`
Nov 28 14:05:47.957 INFO [stderr] 
Nov 28 14:05:47.957 INFO [stderr] warning: unused variable: `age`
Nov 28 14:05:47.957 INFO [stderr]  --> src/main.rs:7:13
Nov 28 14:05:47.958 INFO [stderr]   |
Nov 28 14:05:47.958 INFO [stderr] 7 |     let mut age : u32 = 100; 
Nov 28 14:05:47.958 INFO [stderr]   |             ^^^ help: consider using `_age` instead
Nov 28 14:05:47.958 INFO [stderr]   |
Nov 28 14:05:47.959 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 28 14:05:47.959 INFO [stderr] 
Nov 28 14:05:47.959 INFO [stderr] warning: unused variable: `count`
Nov 28 14:05:47.959 INFO [stderr]   --> src/main.rs:64:6
Nov 28 14:05:47.960 INFO [stderr]    |
Nov 28 14:05:47.960 INFO [stderr] 64 |     let count = rand_string.chars().count();
Nov 28 14:05:47.964 INFO [stderr]    |         ^^^^^ help: consider using `_count` instead
Nov 28 14:05:47.964 INFO [stderr] 
Nov 28 14:05:47.965 INFO [stderr] warning: unused variable: `rand_tuple`
Nov 28 14:05:47.965 INFO [stderr]    --> src/main.rs:134:6
Nov 28 14:05:47.965 INFO [stderr]     |
Nov 28 14:05:47.966 INFO [stderr] 134 |     let rand_tuple = ("Vancir", 30);
Nov 28 14:05:47.966 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_rand_tuple` instead
Nov 28 14:05:47.966 INFO [stderr] 
Nov 28 14:05:47.966 INFO [stderr] warning: unused variable: `quicksilver`
Nov 28 14:05:47.966 INFO [stderr]    --> src/main.rs:172:6
Nov 28 14:05:47.967 INFO [stderr]     |
Nov 28 14:05:47.967 INFO [stderr] 172 |     let quicksilver = Hero::Fast;
Nov 28 14:05:47.967 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_quicksilver` instead
Nov 28 14:05:47.967 INFO [stderr] 
Nov 28 14:05:48.012 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:05:48.013 INFO [stderr]  --> src/main.rs:7:9
Nov 28 14:05:48.013 INFO [stderr]   |
Nov 28 14:05:48.013 INFO [stderr] 7 |     let mut age : u32 = 100; 
Nov 28 14:05:48.013 INFO [stderr]   |         ----^^^
Nov 28 14:05:48.013 INFO [stderr]   |         |
Nov 28 14:05:48.014 INFO [stderr]   |         help: remove this `mut`
Nov 28 14:05:48.014 INFO [stderr]   |
Nov 28 14:05:48.014 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 28 14:05:48.014 INFO [stderr] 
Nov 28 14:05:48.014 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:05:48.015 INFO [stderr]   --> src/main.rs:18:6
Nov 28 14:05:48.015 INFO [stderr]    |
Nov 28 14:05:48.015 INFO [stderr] 18 |     let mut var = -4i32;
Nov 28 14:05:48.015 INFO [stderr]    |         ----^^^
Nov 28 14:05:48.015 INFO [stderr]    |         |
Nov 28 14:05:48.016 INFO [stderr]    |         help: remove this `mut`
Nov 28 14:05:48.016 INFO [stderr] 
Nov 28 14:05:48.016 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:05:48.016 INFO [stderr]    --> src/main.rs:153:6
Nov 28 14:05:48.016 INFO [stderr]     |
Nov 28 14:05:48.017 INFO [stderr] 153 |     let mut circle1 = Circle {
Nov 28 14:05:48.017 INFO [stderr]     |         ----^^^^^^^
Nov 28 14:05:48.017 INFO [stderr]     |         |
Nov 28 14:05:48.017 INFO [stderr]     |         help: remove this `mut`
Nov 28 14:05:48.017 INFO [stderr] 
Nov 28 14:05:48.018 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:05:48.018 INFO [stderr]    --> src/main.rs:166:6
Nov 28 14:05:48.018 INFO [stderr]     |
Nov 28 14:05:48.018 INFO [stderr] 166 |     let mut rect1 = Rectangle {
Nov 28 14:05:48.018 INFO [stderr]     |         ----^^^^^
Nov 28 14:05:48.019 INFO [stderr]     |         |
Nov 28 14:05:48.019 INFO [stderr]     |         help: remove this `mut`
Nov 28 14:05:48.019 INFO [stderr] 
Nov 28 14:05:48.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Nov 28 14:05:48.068 INFO [stderr] su: No module specific data is present
Nov 28 14:05:48.941 INFO running `"docker" "inspect" "19f838db60542b10675518285dc11dfd5d195e2a0fad7503016dc0027ec721ec"`
Nov 28 14:05:49.234 INFO running `"docker" "rm" "-f" "19f838db60542b10675518285dc11dfd5d195e2a0fad7503016dc0027ec721ec"`
Nov 28 14:05:49.488 INFO [stdout] 19f838db60542b10675518285dc11dfd5d195e2a0fad7503016dc0027ec721ec