Dec 06 14:51:20.455 INFO testing ConceptsDemo/rust-example against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 14:51:20.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 06 14:51:20.712 INFO [stdout] 4afdeab378c10c90a4d01f169be659d474a3879ee19fe4143ed20620c2556787
Dec 06 14:51:20.718 INFO running `"docker" "start" "-a" "4afdeab378c10c90a4d01f169be659d474a3879ee19fe4143ed20620c2556787"`
Dec 06 14:51:21.744 INFO [stderr] usermod: no changes
Dec 06 14:51:21.784 INFO [stderr]    Compiling rust-example v0.1.0 (/source)
Dec 06 14:51:22.160 INFO [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize`
Dec 06 14:51:22.160 INFO [stderr]  --> src/main.rs:1:15
Dec 06 14:51:22.160 INFO [stderr]   |
Dec 06 14:51:22.160 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize};
Dec 06 14:51:22.160 INFO [stderr]   |               ^^^       ^^^  ^^  ^^^       ^^^  ^^^              ^^^^^
Dec 06 14:51:22.160 INFO [stderr]   |
Dec 06 14:51:22.160 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:51:22.161 INFO [stderr] 
Dec 06 14:51:22.295 INFO [stderr] warning: unused variable: `age`
Dec 06 14:51:22.295 INFO [stderr]  --> src/main.rs:7:13
Dec 06 14:51:22.295 INFO [stderr]   |
Dec 06 14:51:22.295 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 06 14:51:22.295 INFO [stderr]   |             ^^^ help: consider using `_age` instead
Dec 06 14:51:22.295 INFO [stderr]   |
Dec 06 14:51:22.295 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 14:51:22.295 INFO [stderr] 
Dec 06 14:51:22.296 INFO [stderr] warning: unused variable: `count`
Dec 06 14:51:22.296 INFO [stderr]   --> src/main.rs:64:6
Dec 06 14:51:22.296 INFO [stderr]    |
Dec 06 14:51:22.296 INFO [stderr] 64 |     let count = rand_string.chars().count();
Dec 06 14:51:22.296 INFO [stderr]    |         ^^^^^ help: consider using `_count` instead
Dec 06 14:51:22.296 INFO [stderr] 
Dec 06 14:51:22.296 INFO [stderr] warning: unused variable: `rand_tuple`
Dec 06 14:51:22.296 INFO [stderr]    --> src/main.rs:134:6
Dec 06 14:51:22.296 INFO [stderr]     |
Dec 06 14:51:22.296 INFO [stderr] 134 |     let rand_tuple = ("Vancir", 30);
Dec 06 14:51:22.296 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_rand_tuple` instead
Dec 06 14:51:22.296 INFO [stderr] 
Dec 06 14:51:22.296 INFO [stderr] warning: unused variable: `quicksilver`
Dec 06 14:51:22.296 INFO [stderr]    --> src/main.rs:172:6
Dec 06 14:51:22.296 INFO [stderr]     |
Dec 06 14:51:22.296 INFO [stderr] 172 |     let quicksilver = Hero::Fast;
Dec 06 14:51:22.296 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_quicksilver` instead
Dec 06 14:51:22.296 INFO [stderr] 
Dec 06 14:51:22.329 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:51:22.329 INFO [stderr]  --> src/main.rs:7:9
Dec 06 14:51:22.329 INFO [stderr]   |
Dec 06 14:51:22.329 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 06 14:51:22.329 INFO [stderr]   |         ----^^^
Dec 06 14:51:22.329 INFO [stderr]   |         |
Dec 06 14:51:22.329 INFO [stderr]   |         help: remove this `mut`
Dec 06 14:51:22.329 INFO [stderr]   |
Dec 06 14:51:22.329 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 06 14:51:22.329 INFO [stderr] 
Dec 06 14:51:22.330 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:51:22.330 INFO [stderr]   --> src/main.rs:18:6
Dec 06 14:51:22.330 INFO [stderr]    |
Dec 06 14:51:22.330 INFO [stderr] 18 |     let mut var = -4i32;
Dec 06 14:51:22.330 INFO [stderr]    |         ----^^^
Dec 06 14:51:22.330 INFO [stderr]    |         |
Dec 06 14:51:22.330 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:51:22.331 INFO [stderr] 
Dec 06 14:51:22.331 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:51:22.331 INFO [stderr]    --> src/main.rs:153:6
Dec 06 14:51:22.331 INFO [stderr]     |
Dec 06 14:51:22.331 INFO [stderr] 153 |     let mut circle1 = Circle {
Dec 06 14:51:22.331 INFO [stderr]     |         ----^^^^^^^
Dec 06 14:51:22.331 INFO [stderr]     |         |
Dec 06 14:51:22.331 INFO [stderr]     |         help: remove this `mut`
Dec 06 14:51:22.331 INFO [stderr] 
Dec 06 14:51:22.336 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:51:22.336 INFO [stderr]    --> src/main.rs:166:6
Dec 06 14:51:22.336 INFO [stderr]     |
Dec 06 14:51:22.336 INFO [stderr] 166 |     let mut rect1 = Rectangle {
Dec 06 14:51:22.336 INFO [stderr]     |         ----^^^^^
Dec 06 14:51:22.336 INFO [stderr]     |         |
Dec 06 14:51:22.336 INFO [stderr]     |         help: remove this `mut`
Dec 06 14:51:22.336 INFO [stderr] 
Dec 06 14:51:23.108 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Dec 06 14:51:23.108 INFO [stderr] su: No module specific data is present
Dec 06 14:51:23.650 INFO running `"docker" "inspect" "4afdeab378c10c90a4d01f169be659d474a3879ee19fe4143ed20620c2556787"`
Dec 06 14:51:24.016 INFO running `"docker" "rm" "-f" "4afdeab378c10c90a4d01f169be659d474a3879ee19fe4143ed20620c2556787"`
Dec 06 14:51:24.298 INFO [stdout] 4afdeab378c10c90a4d01f169be659d474a3879ee19fe4143ed20620c2556787
Dec 06 14:51:24.302 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 06 14:51:24.798 INFO [stdout] e5b2b346d4c7ce3e69c7e92e8284b4892f87a5604798c191ab5eac60eb11e02e
Dec 06 14:51:24.800 INFO running `"docker" "start" "-a" "e5b2b346d4c7ce3e69c7e92e8284b4892f87a5604798c191ab5eac60eb11e02e"`
Dec 06 14:51:26.037 INFO [stderr] usermod: no changes
Dec 06 14:51:26.124 INFO [stderr]    Compiling rust-example v0.1.0 (/source)
Dec 06 14:51:26.672 INFO [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize`
Dec 06 14:51:26.672 INFO [stderr]  --> src/main.rs:1:15
Dec 06 14:51:26.672 INFO [stderr]   |
Dec 06 14:51:26.672 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize};
Dec 06 14:51:26.672 INFO [stderr]   |               ^^^       ^^^  ^^  ^^^       ^^^  ^^^              ^^^^^
Dec 06 14:51:26.672 INFO [stderr]   |
Dec 06 14:51:26.672 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:51:26.672 INFO [stderr] 
Dec 06 14:51:26.808 INFO [stderr] warning: unused variable: `age`
Dec 06 14:51:26.808 INFO [stderr]  --> src/main.rs:7:13
Dec 06 14:51:26.808 INFO [stderr]   |
Dec 06 14:51:26.809 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 06 14:51:26.809 INFO [stderr]   |             ^^^ help: consider using `_age` instead
Dec 06 14:51:26.809 INFO [stderr]   |
Dec 06 14:51:26.809 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 14:51:26.809 INFO [stderr] 
Dec 06 14:51:26.809 INFO [stderr] warning: unused variable: `count`
Dec 06 14:51:26.809 INFO [stderr]   --> src/main.rs:64:6
Dec 06 14:51:26.809 INFO [stderr]    |
Dec 06 14:51:26.809 INFO [stderr] 64 |     let count = rand_string.chars().count();
Dec 06 14:51:26.809 INFO [stderr]    |         ^^^^^ help: consider using `_count` instead
Dec 06 14:51:26.809 INFO [stderr] 
Dec 06 14:51:26.809 INFO [stderr] warning: unused variable: `rand_tuple`
Dec 06 14:51:26.809 INFO [stderr]    --> src/main.rs:134:6
Dec 06 14:51:26.809 INFO [stderr]     |
Dec 06 14:51:26.809 INFO [stderr] 134 |     let rand_tuple = ("Vancir", 30);
Dec 06 14:51:26.809 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_rand_tuple` instead
Dec 06 14:51:26.809 INFO [stderr] 
Dec 06 14:51:26.809 INFO [stderr] warning: unused variable: `quicksilver`
Dec 06 14:51:26.809 INFO [stderr]    --> src/main.rs:172:6
Dec 06 14:51:26.809 INFO [stderr]     |
Dec 06 14:51:26.809 INFO [stderr] 172 |     let quicksilver = Hero::Fast;
Dec 06 14:51:26.809 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_quicksilver` instead
Dec 06 14:51:26.809 INFO [stderr] 
Dec 06 14:51:26.840 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:51:26.840 INFO [stderr]  --> src/main.rs:7:9
Dec 06 14:51:26.840 INFO [stderr]   |
Dec 06 14:51:26.840 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 06 14:51:26.840 INFO [stderr]   |         ----^^^
Dec 06 14:51:26.840 INFO [stderr]   |         |
Dec 06 14:51:26.840 INFO [stderr]   |         help: remove this `mut`
Dec 06 14:51:26.840 INFO [stderr]   |
Dec 06 14:51:26.840 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 06 14:51:26.840 INFO [stderr] 
Dec 06 14:51:26.840 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:51:26.840 INFO [stderr]   --> src/main.rs:18:6
Dec 06 14:51:26.840 INFO [stderr]    |
Dec 06 14:51:26.841 INFO [stderr] 18 |     let mut var = -4i32;
Dec 06 14:51:26.841 INFO [stderr]    |         ----^^^
Dec 06 14:51:26.841 INFO [stderr]    |         |
Dec 06 14:51:26.841 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:51:26.841 INFO [stderr] 
Dec 06 14:51:26.841 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:51:26.841 INFO [stderr]    --> src/main.rs:153:6
Dec 06 14:51:26.841 INFO [stderr]     |
Dec 06 14:51:26.841 INFO [stderr] 153 |     let mut circle1 = Circle {
Dec 06 14:51:26.841 INFO [stderr]     |         ----^^^^^^^
Dec 06 14:51:26.841 INFO [stderr]     |         |
Dec 06 14:51:26.841 INFO [stderr]     |         help: remove this `mut`
Dec 06 14:51:26.841 INFO [stderr] 
Dec 06 14:51:26.841 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:51:26.841 INFO [stderr]    --> src/main.rs:166:6
Dec 06 14:51:26.841 INFO [stderr]     |
Dec 06 14:51:26.841 INFO [stderr] 166 |     let mut rect1 = Rectangle {
Dec 06 14:51:26.841 INFO [stderr]     |         ----^^^^^
Dec 06 14:51:26.841 INFO [stderr]     |         |
Dec 06 14:51:26.841 INFO [stderr]     |         help: remove this `mut`
Dec 06 14:51:26.841 INFO [stderr] 
Dec 06 14:51:27.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 06 14:51:27.208 INFO [stderr] su: No module specific data is present
Dec 06 14:51:28.028 INFO running `"docker" "inspect" "e5b2b346d4c7ce3e69c7e92e8284b4892f87a5604798c191ab5eac60eb11e02e"`
Dec 06 14:51:28.372 INFO running `"docker" "rm" "-f" "e5b2b346d4c7ce3e69c7e92e8284b4892f87a5604798c191ab5eac60eb11e02e"`
Dec 06 14:51:28.704 INFO [stdout] e5b2b346d4c7ce3e69c7e92e8284b4892f87a5604798c191ab5eac60eb11e02e
Dec 06 14:51:28.706 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 06 14:51:29.186 INFO [stdout] 47e4776a2bf7c147bc92b8fc3f8fbc9f49b1102582bd040b8225f2817d6a16e0
Dec 06 14:51:29.188 INFO running `"docker" "start" "-a" "47e4776a2bf7c147bc92b8fc3f8fbc9f49b1102582bd040b8225f2817d6a16e0"`
Dec 06 14:51:30.800 INFO [stderr] usermod: no changes
Dec 06 14:51:30.848 INFO [stdout] 
Dec 06 14:51:30.848 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 14:51:30.848 INFO [stdout] running 0 tests
Dec 06 14:51:30.848 INFO [stderr]      Running /target/debug/deps/rust_example-014514c3b2531ce9
Dec 06 14:51:30.848 INFO [stdout] 
Dec 06 14:51:30.848 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:51:30.848 INFO [stdout] 
Dec 06 14:51:30.856 INFO [stderr] su: No module specific data is present
Dec 06 14:51:31.754 INFO running `"docker" "inspect" "47e4776a2bf7c147bc92b8fc3f8fbc9f49b1102582bd040b8225f2817d6a16e0"`
Dec 06 14:51:32.060 INFO running `"docker" "rm" "-f" "47e4776a2bf7c147bc92b8fc3f8fbc9f49b1102582bd040b8225f2817d6a16e0"`
Dec 06 14:51:32.340 INFO [stdout] 47e4776a2bf7c147bc92b8fc3f8fbc9f49b1102582bd040b8225f2817d6a16e0