Dec 14 11:14:56.650 INFO testing ConceptsDemo/rust-example against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 11:14:56.650 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 11:14:56.963 INFO [stdout] 75b1c5a94521dd7dda96eb1c843779cd1e8260cef2723f05f9e4cd2b1a9c4ae3
Dec 14 11:14:56.965 INFO running `"docker" "start" "-a" "75b1c5a94521dd7dda96eb1c843779cd1e8260cef2723f05f9e4cd2b1a9c4ae3"`
Dec 14 11:14:58.051 INFO [stderr] usermod: no changes
Dec 14 11:14:58.123 INFO [stderr]    Compiling rust-example v0.1.0 (/source)
Dec 14 11:14:58.576 INFO [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize`
Dec 14 11:14:58.576 INFO [stderr]  --> src/main.rs:1:15
Dec 14 11:14:58.576 INFO [stderr]   |
Dec 14 11:14:58.576 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize};
Dec 14 11:14:58.576 INFO [stderr]   |               ^^^       ^^^  ^^  ^^^       ^^^  ^^^              ^^^^^
Dec 14 11:14:58.576 INFO [stderr]   |
Dec 14 11:14:58.576 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 11:14:58.576 INFO [stderr] 
Dec 14 11:14:58.715 INFO [stderr] warning: unused variable: `age`
Dec 14 11:14:58.715 INFO [stderr]  --> src/main.rs:7:13
Dec 14 11:14:58.715 INFO [stderr]   |
Dec 14 11:14:58.715 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 14 11:14:58.715 INFO [stderr]   |             ^^^ help: consider using `_age` instead
Dec 14 11:14:58.715 INFO [stderr]   |
Dec 14 11:14:58.715 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 11:14:58.715 INFO [stderr] 
Dec 14 11:14:58.715 INFO [stderr] warning: unused variable: `count`
Dec 14 11:14:58.715 INFO [stderr]   --> src/main.rs:64:6
Dec 14 11:14:58.715 INFO [stderr]    |
Dec 14 11:14:58.715 INFO [stderr] 64 |     let count = rand_string.chars().count();
Dec 14 11:14:58.715 INFO [stderr]    |         ^^^^^ help: consider using `_count` instead
Dec 14 11:14:58.715 INFO [stderr] 
Dec 14 11:14:58.715 INFO [stderr] warning: unused variable: `rand_tuple`
Dec 14 11:14:58.715 INFO [stderr]    --> src/main.rs:134:6
Dec 14 11:14:58.715 INFO [stderr]     |
Dec 14 11:14:58.715 INFO [stderr] 134 |     let rand_tuple = ("Vancir", 30);
Dec 14 11:14:58.715 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_rand_tuple` instead
Dec 14 11:14:58.715 INFO [stderr] 
Dec 14 11:14:58.715 INFO [stderr] warning: unused variable: `quicksilver`
Dec 14 11:14:58.715 INFO [stderr]    --> src/main.rs:172:6
Dec 14 11:14:58.715 INFO [stderr]     |
Dec 14 11:14:58.715 INFO [stderr] 172 |     let quicksilver = Hero::Fast;
Dec 14 11:14:58.715 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_quicksilver` instead
Dec 14 11:14:58.715 INFO [stderr] 
Dec 14 11:14:58.739 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:14:58.739 INFO [stderr]  --> src/main.rs:7:9
Dec 14 11:14:58.739 INFO [stderr]   |
Dec 14 11:14:58.739 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 14 11:14:58.739 INFO [stderr]   |         ----^^^
Dec 14 11:14:58.739 INFO [stderr]   |         |
Dec 14 11:14:58.739 INFO [stderr]   |         help: remove this `mut`
Dec 14 11:14:58.739 INFO [stderr]   |
Dec 14 11:14:58.739 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 14 11:14:58.739 INFO [stderr] 
Dec 14 11:14:58.739 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:14:58.739 INFO [stderr]   --> src/main.rs:18:6
Dec 14 11:14:58.739 INFO [stderr]    |
Dec 14 11:14:58.739 INFO [stderr] 18 |     let mut var = -4i32;
Dec 14 11:14:58.739 INFO [stderr]    |         ----^^^
Dec 14 11:14:58.739 INFO [stderr]    |         |
Dec 14 11:14:58.739 INFO [stderr]    |         help: remove this `mut`
Dec 14 11:14:58.739 INFO [stderr] 
Dec 14 11:14:58.739 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:14:58.739 INFO [stderr]    --> src/main.rs:153:6
Dec 14 11:14:58.739 INFO [stderr]     |
Dec 14 11:14:58.739 INFO [stderr] 153 |     let mut circle1 = Circle {
Dec 14 11:14:58.739 INFO [stderr]     |         ----^^^^^^^
Dec 14 11:14:58.739 INFO [stderr]     |         |
Dec 14 11:14:58.739 INFO [stderr]     |         help: remove this `mut`
Dec 14 11:14:58.739 INFO [stderr] 
Dec 14 11:14:58.739 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:14:58.739 INFO [stderr]    --> src/main.rs:166:6
Dec 14 11:14:58.739 INFO [stderr]     |
Dec 14 11:14:58.739 INFO [stderr] 166 |     let mut rect1 = Rectangle {
Dec 14 11:14:58.739 INFO [stderr]     |         ----^^^^^
Dec 14 11:14:58.739 INFO [stderr]     |         |
Dec 14 11:14:58.739 INFO [stderr]     |         help: remove this `mut`
Dec 14 11:14:58.739 INFO [stderr] 
Dec 14 11:14:59.526 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 14 11:14:59.527 INFO [stderr] su: No module specific data is present
Dec 14 11:15:00.416 INFO running `"docker" "inspect" "75b1c5a94521dd7dda96eb1c843779cd1e8260cef2723f05f9e4cd2b1a9c4ae3"`
Dec 14 11:15:00.584 INFO running `"docker" "rm" "-f" "75b1c5a94521dd7dda96eb1c843779cd1e8260cef2723f05f9e4cd2b1a9c4ae3"`
Dec 14 11:15:00.769 INFO [stdout] 75b1c5a94521dd7dda96eb1c843779cd1e8260cef2723f05f9e4cd2b1a9c4ae3
Dec 14 11:15:00.771 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 11:15:01.111 INFO [stdout] 6b8b05c0199cf6873799c71f8fea75cc518c31ddda99d566e81a0ded694acd73
Dec 14 11:15:01.117 INFO running `"docker" "start" "-a" "6b8b05c0199cf6873799c71f8fea75cc518c31ddda99d566e81a0ded694acd73"`
Dec 14 11:15:02.123 INFO [stderr] usermod: no changes
Dec 14 11:15:02.175 INFO [stderr]    Compiling rust-example v0.1.0 (/source)
Dec 14 11:15:02.727 INFO [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize`
Dec 14 11:15:02.727 INFO [stderr]  --> src/main.rs:1:15
Dec 14 11:15:02.727 INFO [stderr]   |
Dec 14 11:15:02.727 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize};
Dec 14 11:15:02.727 INFO [stderr]   |               ^^^       ^^^  ^^  ^^^       ^^^  ^^^              ^^^^^
Dec 14 11:15:02.727 INFO [stderr]   |
Dec 14 11:15:02.727 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 11:15:02.727 INFO [stderr] 
Dec 14 11:15:02.875 INFO [stderr] warning: unused variable: `age`
Dec 14 11:15:02.875 INFO [stderr]  --> src/main.rs:7:13
Dec 14 11:15:02.875 INFO [stderr]   |
Dec 14 11:15:02.875 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 14 11:15:02.875 INFO [stderr]   |             ^^^ help: consider using `_age` instead
Dec 14 11:15:02.875 INFO [stderr]   |
Dec 14 11:15:02.875 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 11:15:02.875 INFO [stderr] 
Dec 14 11:15:02.875 INFO [stderr] warning: unused variable: `count`
Dec 14 11:15:02.875 INFO [stderr]   --> src/main.rs:64:6
Dec 14 11:15:02.875 INFO [stderr]    |
Dec 14 11:15:02.875 INFO [stderr] 64 |     let count = rand_string.chars().count();
Dec 14 11:15:02.875 INFO [stderr]    |         ^^^^^ help: consider using `_count` instead
Dec 14 11:15:02.875 INFO [stderr] 
Dec 14 11:15:02.875 INFO [stderr] warning: unused variable: `rand_tuple`
Dec 14 11:15:02.875 INFO [stderr]    --> src/main.rs:134:6
Dec 14 11:15:02.875 INFO [stderr]     |
Dec 14 11:15:02.875 INFO [stderr] 134 |     let rand_tuple = ("Vancir", 30);
Dec 14 11:15:02.875 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_rand_tuple` instead
Dec 14 11:15:02.875 INFO [stderr] 
Dec 14 11:15:02.875 INFO [stderr] warning: unused variable: `quicksilver`
Dec 14 11:15:02.875 INFO [stderr]    --> src/main.rs:172:6
Dec 14 11:15:02.875 INFO [stderr]     |
Dec 14 11:15:02.875 INFO [stderr] 172 |     let quicksilver = Hero::Fast;
Dec 14 11:15:02.875 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_quicksilver` instead
Dec 14 11:15:02.875 INFO [stderr] 
Dec 14 11:15:02.911 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:15:02.911 INFO [stderr]  --> src/main.rs:7:9
Dec 14 11:15:02.911 INFO [stderr]   |
Dec 14 11:15:02.911 INFO [stderr] 7 |     let mut age : u32 = 100; 
Dec 14 11:15:02.911 INFO [stderr]   |         ----^^^
Dec 14 11:15:02.911 INFO [stderr]   |         |
Dec 14 11:15:02.911 INFO [stderr]   |         help: remove this `mut`
Dec 14 11:15:02.911 INFO [stderr]   |
Dec 14 11:15:02.911 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 14 11:15:02.911 INFO [stderr] 
Dec 14 11:15:02.911 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:15:02.911 INFO [stderr]   --> src/main.rs:18:6
Dec 14 11:15:02.911 INFO [stderr]    |
Dec 14 11:15:02.911 INFO [stderr] 18 |     let mut var = -4i32;
Dec 14 11:15:02.911 INFO [stderr]    |         ----^^^
Dec 14 11:15:02.911 INFO [stderr]    |         |
Dec 14 11:15:02.911 INFO [stderr]    |         help: remove this `mut`
Dec 14 11:15:02.911 INFO [stderr] 
Dec 14 11:15:02.911 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:15:02.911 INFO [stderr]    --> src/main.rs:153:6
Dec 14 11:15:02.911 INFO [stderr]     |
Dec 14 11:15:02.911 INFO [stderr] 153 |     let mut circle1 = Circle {
Dec 14 11:15:02.911 INFO [stderr]     |         ----^^^^^^^
Dec 14 11:15:02.911 INFO [stderr]     |         |
Dec 14 11:15:02.911 INFO [stderr]     |         help: remove this `mut`
Dec 14 11:15:02.911 INFO [stderr] 
Dec 14 11:15:02.911 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:15:02.911 INFO [stderr]    --> src/main.rs:166:6
Dec 14 11:15:02.911 INFO [stderr]     |
Dec 14 11:15:02.911 INFO [stderr] 166 |     let mut rect1 = Rectangle {
Dec 14 11:15:02.911 INFO [stderr]     |         ----^^^^^
Dec 14 11:15:02.911 INFO [stderr]     |         |
Dec 14 11:15:02.911 INFO [stderr]     |         help: remove this `mut`
Dec 14 11:15:02.911 INFO [stderr] 
Dec 14 11:15:03.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 14 11:15:03.211 INFO [stderr] su: No module specific data is present
Dec 14 11:15:04.477 INFO running `"docker" "inspect" "6b8b05c0199cf6873799c71f8fea75cc518c31ddda99d566e81a0ded694acd73"`
Dec 14 11:15:04.821 INFO running `"docker" "rm" "-f" "6b8b05c0199cf6873799c71f8fea75cc518c31ddda99d566e81a0ded694acd73"`
Dec 14 11:15:05.079 INFO [stdout] 6b8b05c0199cf6873799c71f8fea75cc518c31ddda99d566e81a0ded694acd73
Dec 14 11:15:05.083 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 11:15:05.588 INFO [stdout] 04267976f90ba4b28b34973f4c0eac520eac94ab67a159ae9f74c7776f9ef021
Dec 14 11:15:05.597 INFO running `"docker" "start" "-a" "04267976f90ba4b28b34973f4c0eac520eac94ab67a159ae9f74c7776f9ef021"`
Dec 14 11:15:06.709 INFO [stderr] usermod: no changes
Dec 14 11:15:06.736 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 11:15:06.736 INFO [stderr]      Running /target/debug/deps/rust_example-5f2259a653098c1a
Dec 14 11:15:06.739 INFO [stdout] 
Dec 14 11:15:06.739 INFO [stdout] running 0 tests
Dec 14 11:15:06.739 INFO [stdout] 
Dec 14 11:15:06.739 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 11:15:06.739 INFO [stdout] 
Dec 14 11:15:06.741 INFO [stderr] su: No module specific data is present
Dec 14 11:15:07.056 INFO running `"docker" "inspect" "04267976f90ba4b28b34973f4c0eac520eac94ab67a159ae9f74c7776f9ef021"`
Dec 14 11:15:07.112 INFO running `"docker" "rm" "-f" "04267976f90ba4b28b34973f4c0eac520eac94ab67a159ae9f74c7776f9ef021"`
Dec 14 11:15:07.189 INFO [stdout] 04267976f90ba4b28b34973f4c0eac520eac94ab67a159ae9f74c7776f9ef021