Dec 13 17:46:40.062 INFO testing harindaka/rust-guessing-game against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 17:46:40.062 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 17:46:40.603 INFO [stdout] 1e70b87c378a957a999d675c16efd70c6e0ca50ddaeb497f5d48658ea4c2cff3
Dec 13 17:46:40.607 INFO running `"docker" "start" "-a" "1e70b87c378a957a999d675c16efd70c6e0ca50ddaeb497f5d48658ea4c2cff3"`
Dec 13 17:46:42.443 INFO [stderr] usermod: no changes
Dec 13 17:46:42.620 INFO [stderr]    Compiling serde_derive v1.0.17
Dec 13 17:46:49.915 INFO [stderr]    Compiling rust_examples v0.1.0 (/source)
Dec 13 17:46:50.675 INFO [stderr] warning: unused `#[macro_use]` import
Dec 13 17:46:50.675 INFO [stderr]  --> src/main.rs:4:1
Dec 13 17:46:50.675 INFO [stderr]   |
Dec 13 17:46:50.675 INFO [stderr] 4 | #[macro_use]
Dec 13 17:46:50.675 INFO [stderr]   | ^^^^^^^^^^^^
Dec 13 17:46:50.675 INFO [stderr]   |
Dec 13 17:46:50.675 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 17:46:50.675 INFO [stderr] 
Dec 13 17:46:50.675 INFO [stderr] warning: unused import: `config`
Dec 13 17:46:50.675 INFO [stderr]  --> src/configuration.rs:5:5
Dec 13 17:46:50.675 INFO [stderr]   |
Dec 13 17:46:50.675 INFO [stderr] 5 | use config;
Dec 13 17:46:50.675 INFO [stderr]   |     ^^^^^^
Dec 13 17:46:50.675 INFO [stderr] 
Dec 13 17:46:51.035 INFO [stderr] warning: unused variable: `config_build`
Dec 13 17:46:51.035 INFO [stderr]   --> src/configuration.rs:11:13
Dec 13 17:46:51.035 INFO [stderr]    |
Dec 13 17:46:51.035 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 13 17:46:51.035 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Dec 13 17:46:51.035 INFO [stderr]    |
Dec 13 17:46:51.035 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 17:46:51.035 INFO [stderr] 
Dec 13 17:46:51.035 INFO [stderr] warning: unused variable: `config_prod`
Dec 13 17:46:51.035 INFO [stderr]   --> src/configuration.rs:15:13
Dec 13 17:46:51.035 INFO [stderr]    |
Dec 13 17:46:51.035 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 13 17:46:51.035 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Dec 13 17:46:51.035 INFO [stderr] 
Dec 13 17:46:51.051 INFO [stderr] warning: variable does not need to be mutable
Dec 13 17:46:51.051 INFO [stderr]   --> src/configuration.rs:11:9
Dec 13 17:46:51.051 INFO [stderr]    |
Dec 13 17:46:51.051 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 13 17:46:51.051 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 13 17:46:51.051 INFO [stderr]    |         |
Dec 13 17:46:51.051 INFO [stderr]    |         help: remove this `mut`
Dec 13 17:46:51.051 INFO [stderr]    |
Dec 13 17:46:51.051 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 17:46:51.051 INFO [stderr] 
Dec 13 17:46:51.051 INFO [stderr] warning: variable does not need to be mutable
Dec 13 17:46:51.051 INFO [stderr]   --> src/configuration.rs:14:9
Dec 13 17:46:51.051 INFO [stderr]    |
Dec 13 17:46:51.051 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Dec 13 17:46:51.051 INFO [stderr]    |         ----^^^^^^^^^
Dec 13 17:46:51.051 INFO [stderr]    |         |
Dec 13 17:46:51.051 INFO [stderr]    |         help: remove this `mut`
Dec 13 17:46:51.051 INFO [stderr] 
Dec 13 17:46:51.051 INFO [stderr] warning: variable does not need to be mutable
Dec 13 17:46:51.051 INFO [stderr]   --> src/configuration.rs:15:9
Dec 13 17:46:51.051 INFO [stderr]    |
Dec 13 17:46:51.051 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 13 17:46:51.051 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 13 17:46:51.051 INFO [stderr]    |         |
Dec 13 17:46:51.051 INFO [stderr]    |         help: remove this `mut`
Dec 13 17:46:51.051 INFO [stderr] 
Dec 13 17:46:52.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
Dec 13 17:46:52.028 INFO [stderr] su: No module specific data is present
Dec 13 17:46:53.104 INFO running `"docker" "inspect" "1e70b87c378a957a999d675c16efd70c6e0ca50ddaeb497f5d48658ea4c2cff3"`
Dec 13 17:46:53.405 INFO running `"docker" "rm" "-f" "1e70b87c378a957a999d675c16efd70c6e0ca50ddaeb497f5d48658ea4c2cff3"`
Dec 13 17:46:53.831 INFO [stdout] 1e70b87c378a957a999d675c16efd70c6e0ca50ddaeb497f5d48658ea4c2cff3
Dec 13 17:46:53.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 17:46:54.336 INFO [stdout] 58b040fc4050beef8fd88a2485a69a1c16e6bc646a4e3ba7212f1c5912757dbc
Dec 13 17:46:54.338 INFO running `"docker" "start" "-a" "58b040fc4050beef8fd88a2485a69a1c16e6bc646a4e3ba7212f1c5912757dbc"`
Dec 13 17:46:56.058 INFO [stderr] usermod: no changes
Dec 13 17:46:56.223 INFO [stderr]    Compiling rust_examples v0.1.0 (/source)
Dec 13 17:46:56.835 INFO [stderr] warning: unused `#[macro_use]` import
Dec 13 17:46:56.835 INFO [stderr]  --> src/main.rs:4:1
Dec 13 17:46:56.835 INFO [stderr]   |
Dec 13 17:46:56.835 INFO [stderr] 4 | #[macro_use]
Dec 13 17:46:56.835 INFO [stderr]   | ^^^^^^^^^^^^
Dec 13 17:46:56.835 INFO [stderr]   |
Dec 13 17:46:56.835 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 17:46:56.835 INFO [stderr] 
Dec 13 17:46:56.835 INFO [stderr] warning: unused import: `config`
Dec 13 17:46:56.835 INFO [stderr]  --> src/configuration.rs:5:5
Dec 13 17:46:56.835 INFO [stderr]   |
Dec 13 17:46:56.835 INFO [stderr] 5 | use config;
Dec 13 17:46:56.835 INFO [stderr]   |     ^^^^^^
Dec 13 17:46:56.835 INFO [stderr] 
Dec 13 17:46:57.083 INFO [stderr] warning: unused variable: `config_build`
Dec 13 17:46:57.083 INFO [stderr]   --> src/configuration.rs:11:13
Dec 13 17:46:57.083 INFO [stderr]    |
Dec 13 17:46:57.083 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 13 17:46:57.083 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Dec 13 17:46:57.083 INFO [stderr]    |
Dec 13 17:46:57.083 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 17:46:57.083 INFO [stderr] 
Dec 13 17:46:57.083 INFO [stderr] warning: unused variable: `config_prod`
Dec 13 17:46:57.083 INFO [stderr]   --> src/configuration.rs:15:13
Dec 13 17:46:57.083 INFO [stderr]    |
Dec 13 17:46:57.083 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 13 17:46:57.083 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Dec 13 17:46:57.083 INFO [stderr] 
Dec 13 17:46:57.091 INFO [stderr] warning: variable does not need to be mutable
Dec 13 17:46:57.091 INFO [stderr]   --> src/configuration.rs:11:9
Dec 13 17:46:57.091 INFO [stderr]    |
Dec 13 17:46:57.091 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 13 17:46:57.091 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 13 17:46:57.091 INFO [stderr]    |         |
Dec 13 17:46:57.091 INFO [stderr]    |         help: remove this `mut`
Dec 13 17:46:57.091 INFO [stderr]    |
Dec 13 17:46:57.091 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 17:46:57.091 INFO [stderr] 
Dec 13 17:46:57.091 INFO [stderr] warning: variable does not need to be mutable
Dec 13 17:46:57.091 INFO [stderr]   --> src/configuration.rs:14:9
Dec 13 17:46:57.091 INFO [stderr]    |
Dec 13 17:46:57.091 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Dec 13 17:46:57.091 INFO [stderr]    |         ----^^^^^^^^^
Dec 13 17:46:57.091 INFO [stderr]    |         |
Dec 13 17:46:57.091 INFO [stderr]    |         help: remove this `mut`
Dec 13 17:46:57.091 INFO [stderr] 
Dec 13 17:46:57.091 INFO [stderr] warning: variable does not need to be mutable
Dec 13 17:46:57.091 INFO [stderr]   --> src/configuration.rs:15:9
Dec 13 17:46:57.091 INFO [stderr]    |
Dec 13 17:46:57.091 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 13 17:46:57.091 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 13 17:46:57.091 INFO [stderr]    |         |
Dec 13 17:46:57.091 INFO [stderr]    |         help: remove this `mut`
Dec 13 17:46:57.091 INFO [stderr] 
Dec 13 17:46:57.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Dec 13 17:46:57.619 INFO [stderr] su: No module specific data is present
Dec 13 17:46:58.648 INFO running `"docker" "inspect" "58b040fc4050beef8fd88a2485a69a1c16e6bc646a4e3ba7212f1c5912757dbc"`
Dec 13 17:46:58.967 INFO running `"docker" "rm" "-f" "58b040fc4050beef8fd88a2485a69a1c16e6bc646a4e3ba7212f1c5912757dbc"`
Dec 13 17:46:59.359 INFO [stdout] 58b040fc4050beef8fd88a2485a69a1c16e6bc646a4e3ba7212f1c5912757dbc
Dec 13 17:46:59.363 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 17:46:59.871 INFO [stdout] e7eea1b53ba725e3fc5c920540019a8bb8c955bb9cb8d1489d98a13a3bcde19d
Dec 13 17:46:59.873 INFO running `"docker" "start" "-a" "e7eea1b53ba725e3fc5c920540019a8bb8c955bb9cb8d1489d98a13a3bcde19d"`
Dec 13 17:47:01.490 INFO [stderr] usermod: no changes
Dec 13 17:47:01.635 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 13 17:47:01.644 INFO [stderr]      Running /target/debug/deps/rust_examples-9c878be8cc9fdaa3
Dec 13 17:47:01.652 INFO [stdout] 
Dec 13 17:47:01.652 INFO [stdout] running 0 tests
Dec 13 17:47:01.652 INFO [stdout] 
Dec 13 17:47:01.652 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 17:47:01.652 INFO [stdout] 
Dec 13 17:47:01.661 INFO [stderr] su: No module specific data is present
Dec 13 17:47:02.268 INFO running `"docker" "inspect" "e7eea1b53ba725e3fc5c920540019a8bb8c955bb9cb8d1489d98a13a3bcde19d"`
Dec 13 17:47:02.357 INFO running `"docker" "rm" "-f" "e7eea1b53ba725e3fc5c920540019a8bb8c955bb9cb8d1489d98a13a3bcde19d"`
Dec 13 17:47:02.475 INFO [stdout] e7eea1b53ba725e3fc5c920540019a8bb8c955bb9cb8d1489d98a13a3bcde19d