Nov 28 04:31:48.782 INFO checking harindaka/rust-guessing-game against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 04:31:48.784 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 04:31:49.209 INFO [stdout] cb567a066af8c1e1393631ac550b65d2d42f159d240fbf709a48ea4ad3f031a1
Nov 28 04:31:49.214 INFO running `"docker" "start" "-a" "cb567a066af8c1e1393631ac550b65d2d42f159d240fbf709a48ea4ad3f031a1"`
Nov 28 04:31:50.816 INFO [stderr] usermod: no changes
Nov 28 04:31:50.920 INFO [stderr]     Checking serde_json v1.0.5
Nov 28 04:31:53.280 INFO [stderr]     Checking rust_examples v0.1.0 (/source)
Nov 28 04:31:54.324 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 04:31:54.324 INFO [stderr]  --> src/main.rs:4:1
Nov 28 04:31:54.324 INFO [stderr]   |
Nov 28 04:31:54.324 INFO [stderr] 4 | #[macro_use]
Nov 28 04:31:54.324 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 04:31:54.325 INFO [stderr]   |
Nov 28 04:31:54.325 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:31:54.325 INFO [stderr] 
Nov 28 04:31:54.325 INFO [stderr] warning: unused import: `config`
Nov 28 04:31:54.325 INFO [stderr]  --> src/configuration.rs:5:5
Nov 28 04:31:54.325 INFO [stderr]   |
Nov 28 04:31:54.325 INFO [stderr] 5 | use config;
Nov 28 04:31:54.325 INFO [stderr]   |     ^^^^^^
Nov 28 04:31:54.325 INFO [stderr] 
Nov 28 04:31:54.452 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 04:31:54.452 INFO [stderr]  --> src/main.rs:4:1
Nov 28 04:31:54.453 INFO [stderr]   |
Nov 28 04:31:54.453 INFO [stderr] 4 | #[macro_use]
Nov 28 04:31:54.453 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 04:31:54.454 INFO [stderr]   |
Nov 28 04:31:54.454 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:31:54.454 INFO [stderr] 
Nov 28 04:31:54.455 INFO [stderr] warning: unused import: `config`
Nov 28 04:31:54.455 INFO [stderr]  --> src/configuration.rs:5:5
Nov 28 04:31:54.455 INFO [stderr]   |
Nov 28 04:31:54.456 INFO [stderr] 5 | use config;
Nov 28 04:31:54.456 INFO [stderr]   |     ^^^^^^
Nov 28 04:31:54.456 INFO [stderr] 
Nov 28 04:31:54.854 INFO [stderr] warning: unused variable: `config_build`
Nov 28 04:31:54.854 INFO [stderr]   --> src/configuration.rs:11:13
Nov 28 04:31:54.854 INFO [stderr]    |
Nov 28 04:31:54.854 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Nov 28 04:31:54.854 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Nov 28 04:31:54.854 INFO [stderr]    |
Nov 28 04:31:54.864 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 04:31:54.864 INFO [stderr] 
Nov 28 04:31:54.864 INFO [stderr] warning: unused variable: `config_prod`
Nov 28 04:31:54.864 INFO [stderr]   --> src/configuration.rs:15:13
Nov 28 04:31:54.864 INFO [stderr]    |
Nov 28 04:31:54.865 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Nov 28 04:31:54.865 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Nov 28 04:31:54.865 INFO [stderr] 
Nov 28 04:31:54.884 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:31:54.884 INFO [stderr]   --> src/configuration.rs:11:9
Nov 28 04:31:54.884 INFO [stderr]    |
Nov 28 04:31:54.884 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Nov 28 04:31:54.884 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 28 04:31:54.884 INFO [stderr]    |         |
Nov 28 04:31:54.884 INFO [stderr]    |         help: remove this `mut`
Nov 28 04:31:54.884 INFO [stderr]    |
Nov 28 04:31:54.884 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 04:31:54.885 INFO [stderr] 
Nov 28 04:31:54.885 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:31:54.885 INFO [stderr]   --> src/configuration.rs:14:9
Nov 28 04:31:54.885 INFO [stderr]    |
Nov 28 04:31:54.885 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Nov 28 04:31:54.885 INFO [stderr]    |         ----^^^^^^^^^
Nov 28 04:31:54.885 INFO [stderr]    |         |
Nov 28 04:31:54.885 INFO [stderr]    |         help: remove this `mut`
Nov 28 04:31:54.885 INFO [stderr] 
Nov 28 04:31:54.885 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:31:54.885 INFO [stderr]   --> src/configuration.rs:15:9
Nov 28 04:31:54.885 INFO [stderr]    |
Nov 28 04:31:54.885 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Nov 28 04:31:54.885 INFO [stderr]    |         ----^^^^^^^^^^^
Nov 28 04:31:54.885 INFO [stderr]    |         |
Nov 28 04:31:54.885 INFO [stderr]    |         help: remove this `mut`
Nov 28 04:31:54.885 INFO [stderr] 
Nov 28 04:31:55.054 INFO [stderr] warning: unused variable: `config_build`
Nov 28 04:31:55.054 INFO [stderr]   --> src/configuration.rs:11:13
Nov 28 04:31:55.054 INFO [stderr]    |
Nov 28 04:31:55.054 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Nov 28 04:31:55.054 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Nov 28 04:31:55.054 INFO [stderr]    |
Nov 28 04:31:55.054 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 04:31:55.054 INFO [stderr] 
Nov 28 04:31:55.054 INFO [stderr] warning: unused variable: `config_prod`
Nov 28 04:31:55.054 INFO [stderr]   --> src/configuration.rs:15:13
Nov 28 04:31:55.055 INFO [stderr]    |
Nov 28 04:31:55.055 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Nov 28 04:31:55.055 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Nov 28 04:31:55.056 INFO [stderr] 
Nov 28 04:31:55.072 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:31:55.073 INFO [stderr]   --> src/configuration.rs:11:9
Nov 28 04:31:55.073 INFO [stderr]    |
Nov 28 04:31:55.073 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Nov 28 04:31:55.073 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 28 04:31:55.074 INFO [stderr]    |         |
Nov 28 04:31:55.074 INFO [stderr]    |         help: remove this `mut`
Nov 28 04:31:55.074 INFO [stderr]    |
Nov 28 04:31:55.075 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 04:31:55.075 INFO [stderr] 
Nov 28 04:31:55.075 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:31:55.076 INFO [stderr]   --> src/configuration.rs:14:9
Nov 28 04:31:55.076 INFO [stderr]    |
Nov 28 04:31:55.076 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Nov 28 04:31:55.076 INFO [stderr]    |         ----^^^^^^^^^
Nov 28 04:31:55.077 INFO [stderr]    |         |
Nov 28 04:31:55.077 INFO [stderr]    |         help: remove this `mut`
Nov 28 04:31:55.077 INFO [stderr] 
Nov 28 04:31:55.077 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:31:55.078 INFO [stderr]   --> src/configuration.rs:15:9
Nov 28 04:31:55.078 INFO [stderr]    |
Nov 28 04:31:55.078 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Nov 28 04:31:55.079 INFO [stderr]    |         ----^^^^^^^^^^^
Nov 28 04:31:55.079 INFO [stderr]    |         |
Nov 28 04:31:55.079 INFO [stderr]    |         help: remove this `mut`
Nov 28 04:31:55.079 INFO [stderr] 
Nov 28 04:31:55.333 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
Nov 28 04:31:55.338 INFO [stderr] su: No module specific data is present
Nov 28 04:31:57.082 INFO running `"docker" "inspect" "cb567a066af8c1e1393631ac550b65d2d42f159d240fbf709a48ea4ad3f031a1"`
Nov 28 04:31:57.509 INFO running `"docker" "rm" "-f" "cb567a066af8c1e1393631ac550b65d2d42f159d240fbf709a48ea4ad3f031a1"`
Nov 28 04:31:57.877 INFO [stdout] cb567a066af8c1e1393631ac550b65d2d42f159d240fbf709a48ea4ad3f031a1