Dec 11 17:35:27.353 INFO checking harindaka/rust-guessing-game against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 17:35:27.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 17:35:27.683 INFO [stdout] da4fb165a896cbbc821a841db9b7bbeff3bc158b417ead7d547e066dc5f17066
Dec 11 17:35:27.686 INFO running `"docker" "start" "-a" "da4fb165a896cbbc821a841db9b7bbeff3bc158b417ead7d547e066dc5f17066"`
Dec 11 17:35:29.732 INFO [stderr] usermod: no changes
Dec 11 17:35:29.867 INFO [stderr]    Compiling serde_derive v1.0.17
Dec 11 17:35:37.191 INFO [stderr]     Checking rust_examples v0.1.0 (/source)
Dec 11 17:35:38.179 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 17:35:38.180 INFO [stderr]  --> src/main.rs:4:1
Dec 11 17:35:38.180 INFO [stderr]   |
Dec 11 17:35:38.180 INFO [stderr] 4 | #[macro_use]
Dec 11 17:35:38.181 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 17:35:38.181 INFO [stderr]   |
Dec 11 17:35:38.181 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 17:35:38.181 INFO [stderr] 
Dec 11 17:35:38.182 INFO [stderr] warning: unused import: `config`
Dec 11 17:35:38.182 INFO [stderr]  --> src/configuration.rs:5:5
Dec 11 17:35:38.182 INFO [stderr]   |
Dec 11 17:35:38.182 INFO [stderr] 5 | use config;
Dec 11 17:35:38.182 INFO [stderr]   |     ^^^^^^
Dec 11 17:35:38.183 INFO [stderr] 
Dec 11 17:35:38.348 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 17:35:38.348 INFO [stderr]  --> src/main.rs:4:1
Dec 11 17:35:38.348 INFO [stderr]   |
Dec 11 17:35:38.349 INFO [stderr] 4 | #[macro_use]
Dec 11 17:35:38.349 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 17:35:38.350 INFO [stderr]   |
Dec 11 17:35:38.350 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 17:35:38.350 INFO [stderr] 
Dec 11 17:35:38.351 INFO [stderr] warning: unused import: `config`
Dec 11 17:35:38.351 INFO [stderr]  --> src/configuration.rs:5:5
Dec 11 17:35:38.351 INFO [stderr]   |
Dec 11 17:35:38.352 INFO [stderr] 5 | use config;
Dec 11 17:35:38.352 INFO [stderr]   |     ^^^^^^
Dec 11 17:35:38.352 INFO [stderr] 
Dec 11 17:35:38.546 INFO [stderr] warning: unused variable: `config_build`
Dec 11 17:35:38.546 INFO [stderr]   --> src/configuration.rs:11:13
Dec 11 17:35:38.546 INFO [stderr]    |
Dec 11 17:35:38.546 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 11 17:35:38.546 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Dec 11 17:35:38.546 INFO [stderr]    |
Dec 11 17:35:38.552 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 17:35:38.552 INFO [stderr] 
Dec 11 17:35:38.552 INFO [stderr] warning: unused variable: `config_prod`
Dec 11 17:35:38.552 INFO [stderr]   --> src/configuration.rs:15:13
Dec 11 17:35:38.552 INFO [stderr]    |
Dec 11 17:35:38.552 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 11 17:35:38.553 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Dec 11 17:35:38.553 INFO [stderr] 
Dec 11 17:35:38.563 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:35:38.563 INFO [stderr]   --> src/configuration.rs:11:9
Dec 11 17:35:38.563 INFO [stderr]    |
Dec 11 17:35:38.563 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 11 17:35:38.563 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 11 17:35:38.564 INFO [stderr]    |         |
Dec 11 17:35:38.564 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:35:38.564 INFO [stderr]    |
Dec 11 17:35:38.564 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 17:35:38.564 INFO [stderr] 
Dec 11 17:35:38.564 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:35:38.564 INFO [stderr]   --> src/configuration.rs:14:9
Dec 11 17:35:38.564 INFO [stderr]    |
Dec 11 17:35:38.564 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Dec 11 17:35:38.564 INFO [stderr]    |         ----^^^^^^^^^
Dec 11 17:35:38.564 INFO [stderr]    |         |
Dec 11 17:35:38.564 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:35:38.565 INFO [stderr] 
Dec 11 17:35:38.565 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:35:38.565 INFO [stderr]   --> src/configuration.rs:15:9
Dec 11 17:35:38.565 INFO [stderr]    |
Dec 11 17:35:38.565 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 11 17:35:38.565 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 11 17:35:38.565 INFO [stderr]    |         |
Dec 11 17:35:38.565 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:35:38.565 INFO [stderr] 
Dec 11 17:35:38.708 INFO [stderr] warning: unused variable: `config_build`
Dec 11 17:35:38.708 INFO [stderr]   --> src/configuration.rs:11:13
Dec 11 17:35:38.708 INFO [stderr]    |
Dec 11 17:35:38.708 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 11 17:35:38.708 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Dec 11 17:35:38.708 INFO [stderr]    |
Dec 11 17:35:38.708 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 17:35:38.708 INFO [stderr] 
Dec 11 17:35:38.708 INFO [stderr] warning: unused variable: `config_prod`
Dec 11 17:35:38.708 INFO [stderr]   --> src/configuration.rs:15:13
Dec 11 17:35:38.708 INFO [stderr]    |
Dec 11 17:35:38.708 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 11 17:35:38.708 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Dec 11 17:35:38.708 INFO [stderr] 
Dec 11 17:35:38.712 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:35:38.712 INFO [stderr]   --> src/configuration.rs:11:9
Dec 11 17:35:38.712 INFO [stderr]    |
Dec 11 17:35:38.712 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 11 17:35:38.712 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 11 17:35:38.712 INFO [stderr]    |         |
Dec 11 17:35:38.712 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:35:38.712 INFO [stderr]    |
Dec 11 17:35:38.712 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 17:35:38.712 INFO [stderr] 
Dec 11 17:35:38.712 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:35:38.712 INFO [stderr]   --> src/configuration.rs:14:9
Dec 11 17:35:38.712 INFO [stderr]    |
Dec 11 17:35:38.712 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Dec 11 17:35:38.712 INFO [stderr]    |         ----^^^^^^^^^
Dec 11 17:35:38.712 INFO [stderr]    |         |
Dec 11 17:35:38.712 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:35:38.712 INFO [stderr] 
Dec 11 17:35:38.712 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:35:38.712 INFO [stderr]   --> src/configuration.rs:15:9
Dec 11 17:35:38.712 INFO [stderr]    |
Dec 11 17:35:38.712 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 11 17:35:38.712 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 11 17:35:38.712 INFO [stderr]    |         |
Dec 11 17:35:38.712 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:35:38.712 INFO [stderr] 
Dec 11 17:35:38.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
Dec 11 17:35:38.841 INFO [stderr] su: No module specific data is present
Dec 11 17:35:40.100 INFO running `"docker" "inspect" "da4fb165a896cbbc821a841db9b7bbeff3bc158b417ead7d547e066dc5f17066"`
Dec 11 17:35:40.412 INFO running `"docker" "rm" "-f" "da4fb165a896cbbc821a841db9b7bbeff3bc158b417ead7d547e066dc5f17066"`
Dec 11 17:35:40.728 INFO [stdout] da4fb165a896cbbc821a841db9b7bbeff3bc158b417ead7d547e066dc5f17066