Nov 30 02:07:23.658 INFO checking harindaka/rust-guessing-game against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 02:07:23.658 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 02:07:24.197 INFO [stdout] 7d51ad011fc8f11544a1d05b82c89c21df7d0e91225df6c7a78b865b7f5a815d
Nov 30 02:07:24.199 INFO running `"docker" "start" "-a" "7d51ad011fc8f11544a1d05b82c89c21df7d0e91225df6c7a78b865b7f5a815d"`
Nov 30 02:07:25.995 INFO [stderr] usermod: no changes
Nov 30 02:07:26.144 INFO [stderr]     Checking serde v1.0.17
Nov 30 02:07:26.156 INFO [stderr]    Compiling serde_derive v1.0.17
Nov 30 02:07:42.016 INFO [stderr]     Checking serde_json v1.0.5
Nov 30 02:07:44.253 INFO [stderr]     Checking rust_examples v0.1.0 (/source)
Nov 30 02:07:45.212 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 02:07:45.212 INFO [stderr]  --> src/main.rs:4:1
Nov 30 02:07:45.212 INFO [stderr]   |
Nov 30 02:07:45.212 INFO [stderr] 4 | #[macro_use]
Nov 30 02:07:45.212 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 02:07:45.212 INFO [stderr]   |
Nov 30 02:07:45.212 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 02:07:45.212 INFO [stderr] 
Nov 30 02:07:45.212 INFO [stderr] warning: unused import: `config`
Nov 30 02:07:45.212 INFO [stderr]  --> src/configuration.rs:5:5
Nov 30 02:07:45.212 INFO [stderr]   |
Nov 30 02:07:45.212 INFO [stderr] 5 | use config;
Nov 30 02:07:45.212 INFO [stderr]   |     ^^^^^^
Nov 30 02:07:45.212 INFO [stderr] 
Nov 30 02:07:45.356 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 02:07:45.356 INFO [stderr]  --> src/main.rs:4:1
Nov 30 02:07:45.356 INFO [stderr]   |
Nov 30 02:07:45.356 INFO [stderr] 4 | #[macro_use]
Nov 30 02:07:45.356 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 02:07:45.356 INFO [stderr]   |
Nov 30 02:07:45.356 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 02:07:45.356 INFO [stderr] 
Nov 30 02:07:45.356 INFO [stderr] warning: unused import: `config`
Nov 30 02:07:45.356 INFO [stderr]  --> src/configuration.rs:5:5
Nov 30 02:07:45.356 INFO [stderr]   |
Nov 30 02:07:45.356 INFO [stderr] 5 | use config;
Nov 30 02:07:45.356 INFO [stderr]   |     ^^^^^^
Nov 30 02:07:45.356 INFO [stderr] 
Nov 30 02:07:45.700 INFO [stderr] warning: unused variable: `config_build`
Nov 30 02:07:45.700 INFO [stderr]   --> src/configuration.rs:11:13
Nov 30 02:07:45.700 INFO [stderr]    |
Nov 30 02:07:45.700 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Nov 30 02:07:45.700 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Nov 30 02:07:45.700 INFO [stderr]    |
Nov 30 02:07:45.700 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 02:07:45.700 INFO [stderr] 
Nov 30 02:07:45.700 INFO [stderr] warning: unused variable: `config_prod`
Nov 30 02:07:45.700 INFO [stderr]   --> src/configuration.rs:15:13
Nov 30 02:07:45.700 INFO [stderr]    |
Nov 30 02:07:45.700 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Nov 30 02:07:45.700 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Nov 30 02:07:45.700 INFO [stderr] 
Nov 30 02:07:45.712 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:07:45.712 INFO [stderr]   --> src/configuration.rs:11:9
Nov 30 02:07:45.712 INFO [stderr]    |
Nov 30 02:07:45.712 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Nov 30 02:07:45.712 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 30 02:07:45.712 INFO [stderr]    |         |
Nov 30 02:07:45.712 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:07:45.712 INFO [stderr]    |
Nov 30 02:07:45.712 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 02:07:45.712 INFO [stderr] 
Nov 30 02:07:45.712 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:07:45.712 INFO [stderr]   --> src/configuration.rs:14:9
Nov 30 02:07:45.712 INFO [stderr]    |
Nov 30 02:07:45.712 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Nov 30 02:07:45.712 INFO [stderr]    |         ----^^^^^^^^^
Nov 30 02:07:45.712 INFO [stderr]    |         |
Nov 30 02:07:45.712 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:07:45.712 INFO [stderr] 
Nov 30 02:07:45.712 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:07:45.712 INFO [stderr]   --> src/configuration.rs:15:9
Nov 30 02:07:45.713 INFO [stderr]    |
Nov 30 02:07:45.713 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Nov 30 02:07:45.713 INFO [stderr]    |         ----^^^^^^^^^^^
Nov 30 02:07:45.713 INFO [stderr]    |         |
Nov 30 02:07:45.713 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:07:45.713 INFO [stderr] 
Nov 30 02:07:45.776 INFO [stderr] warning: unused variable: `config_build`
Nov 30 02:07:45.776 INFO [stderr]   --> src/configuration.rs:11:13
Nov 30 02:07:45.776 INFO [stderr]    |
Nov 30 02:07:45.776 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Nov 30 02:07:45.776 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Nov 30 02:07:45.776 INFO [stderr]    |
Nov 30 02:07:45.776 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 02:07:45.776 INFO [stderr] 
Nov 30 02:07:45.776 INFO [stderr] warning: unused variable: `config_prod`
Nov 30 02:07:45.776 INFO [stderr]   --> src/configuration.rs:15:13
Nov 30 02:07:45.776 INFO [stderr]    |
Nov 30 02:07:45.776 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Nov 30 02:07:45.776 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Nov 30 02:07:45.776 INFO [stderr] 
Nov 30 02:07:45.800 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:07:45.800 INFO [stderr]   --> src/configuration.rs:11:9
Nov 30 02:07:45.800 INFO [stderr]    |
Nov 30 02:07:45.800 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Nov 30 02:07:45.800 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 30 02:07:45.800 INFO [stderr]    |         |
Nov 30 02:07:45.800 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:07:45.800 INFO [stderr]    |
Nov 30 02:07:45.800 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 02:07:45.800 INFO [stderr] 
Nov 30 02:07:45.800 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:07:45.800 INFO [stderr]   --> src/configuration.rs:14:9
Nov 30 02:07:45.800 INFO [stderr]    |
Nov 30 02:07:45.800 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Nov 30 02:07:45.800 INFO [stderr]    |         ----^^^^^^^^^
Nov 30 02:07:45.800 INFO [stderr]    |         |
Nov 30 02:07:45.800 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:07:45.800 INFO [stderr] 
Nov 30 02:07:45.800 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:07:45.800 INFO [stderr]   --> src/configuration.rs:15:9
Nov 30 02:07:45.800 INFO [stderr]    |
Nov 30 02:07:45.801 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Nov 30 02:07:45.801 INFO [stderr]    |         ----^^^^^^^^^^^
Nov 30 02:07:45.801 INFO [stderr]    |         |
Nov 30 02:07:45.801 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:07:45.801 INFO [stderr] 
Nov 30 02:07:46.109 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.08s
Nov 30 02:07:46.113 INFO [stderr] su: No module specific data is present
Nov 30 02:07:47.581 INFO running `"docker" "inspect" "7d51ad011fc8f11544a1d05b82c89c21df7d0e91225df6c7a78b865b7f5a815d"`
Nov 30 02:07:47.848 INFO running `"docker" "rm" "-f" "7d51ad011fc8f11544a1d05b82c89c21df7d0e91225df6c7a78b865b7f5a815d"`
Nov 30 02:07:48.296 INFO [stdout] 7d51ad011fc8f11544a1d05b82c89c21df7d0e91225df6c7a78b865b7f5a815d