Dec 05 21:59:58.373 INFO testing harindaka/rust-guessing-game against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 21:59:58.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 21:59:59.035 INFO [stdout] b62f7543b714094e3edea9179bb27614af497cc8fbc58fb4175136e573d847fc
Dec 05 21:59:59.037 INFO running `"docker" "start" "-a" "b62f7543b714094e3edea9179bb27614af497cc8fbc58fb4175136e573d847fc"`
Dec 05 22:00:01.292 INFO [stderr] usermod: no changes
Dec 05 22:00:01.422 INFO [stderr]    Compiling serde v1.0.17
Dec 05 22:00:01.422 INFO [stderr]    Compiling serde_derive v1.0.17
Dec 05 22:00:13.836 INFO [stderr]    Compiling serde_json v1.0.5
Dec 05 22:00:17.680 INFO [stderr]    Compiling rust_examples v0.1.0 (/source)
Dec 05 22:00:18.244 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 22:00:18.244 INFO [stderr]  --> src/main.rs:4:1
Dec 05 22:00:18.244 INFO [stderr]   |
Dec 05 22:00:18.244 INFO [stderr] 4 | #[macro_use]
Dec 05 22:00:18.244 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 22:00:18.244 INFO [stderr]   |
Dec 05 22:00:18.244 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 22:00:18.244 INFO [stderr] 
Dec 05 22:00:18.244 INFO [stderr] warning: unused import: `config`
Dec 05 22:00:18.244 INFO [stderr]  --> src/configuration.rs:5:5
Dec 05 22:00:18.244 INFO [stderr]   |
Dec 05 22:00:18.244 INFO [stderr] 5 | use config;
Dec 05 22:00:18.244 INFO [stderr]   |     ^^^^^^
Dec 05 22:00:18.244 INFO [stderr] 
Dec 05 22:00:18.528 INFO [stderr] warning: unused variable: `config_build`
Dec 05 22:00:18.528 INFO [stderr]   --> src/configuration.rs:11:13
Dec 05 22:00:18.528 INFO [stderr]    |
Dec 05 22:00:18.528 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 05 22:00:18.528 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Dec 05 22:00:18.528 INFO [stderr]    |
Dec 05 22:00:18.528 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 22:00:18.528 INFO [stderr] 
Dec 05 22:00:18.528 INFO [stderr] warning: unused variable: `config_prod`
Dec 05 22:00:18.528 INFO [stderr]   --> src/configuration.rs:15:13
Dec 05 22:00:18.528 INFO [stderr]    |
Dec 05 22:00:18.528 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 05 22:00:18.528 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Dec 05 22:00:18.528 INFO [stderr] 
Dec 05 22:00:18.536 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:00:18.536 INFO [stderr]   --> src/configuration.rs:11:9
Dec 05 22:00:18.536 INFO [stderr]    |
Dec 05 22:00:18.536 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 05 22:00:18.536 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 05 22:00:18.536 INFO [stderr]    |         |
Dec 05 22:00:18.536 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:00:18.536 INFO [stderr]    |
Dec 05 22:00:18.536 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 22:00:18.536 INFO [stderr] 
Dec 05 22:00:18.536 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:00:18.536 INFO [stderr]   --> src/configuration.rs:14:9
Dec 05 22:00:18.537 INFO [stderr]    |
Dec 05 22:00:18.537 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Dec 05 22:00:18.537 INFO [stderr]    |         ----^^^^^^^^^
Dec 05 22:00:18.537 INFO [stderr]    |         |
Dec 05 22:00:18.537 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:00:18.537 INFO [stderr] 
Dec 05 22:00:18.537 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:00:18.537 INFO [stderr]   --> src/configuration.rs:15:9
Dec 05 22:00:18.537 INFO [stderr]    |
Dec 05 22:00:18.537 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 05 22:00:18.537 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 05 22:00:18.537 INFO [stderr]    |         |
Dec 05 22:00:18.537 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:00:18.537 INFO [stderr] 
Dec 05 22:00:19.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.03s
Dec 05 22:00:19.349 INFO [stderr] su: No module specific data is present
Dec 05 22:00:20.338 INFO running `"docker" "inspect" "b62f7543b714094e3edea9179bb27614af497cc8fbc58fb4175136e573d847fc"`
Dec 05 22:00:20.436 INFO running `"docker" "rm" "-f" "b62f7543b714094e3edea9179bb27614af497cc8fbc58fb4175136e573d847fc"`
Dec 05 22:00:20.541 INFO [stdout] b62f7543b714094e3edea9179bb27614af497cc8fbc58fb4175136e573d847fc
Dec 05 22:00:20.546 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 22:00:20.735 INFO [stdout] c709770031e4127cbdba35a6aaa2501d93042626a7bcb7f30320c9131295ac9f
Dec 05 22:00:20.739 INFO running `"docker" "start" "-a" "c709770031e4127cbdba35a6aaa2501d93042626a7bcb7f30320c9131295ac9f"`
Dec 05 22:00:21.234 INFO [stderr] usermod: no changes
Dec 05 22:00:21.293 INFO [stderr]    Compiling rust_examples v0.1.0 (/source)
Dec 05 22:00:21.780 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 22:00:21.780 INFO [stderr]  --> src/main.rs:4:1
Dec 05 22:00:21.780 INFO [stderr]   |
Dec 05 22:00:21.780 INFO [stderr] 4 | #[macro_use]
Dec 05 22:00:21.780 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 22:00:21.780 INFO [stderr]   |
Dec 05 22:00:21.780 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 22:00:21.780 INFO [stderr] 
Dec 05 22:00:21.780 INFO [stderr] warning: unused import: `config`
Dec 05 22:00:21.780 INFO [stderr]  --> src/configuration.rs:5:5
Dec 05 22:00:21.780 INFO [stderr]   |
Dec 05 22:00:21.780 INFO [stderr] 5 | use config;
Dec 05 22:00:21.780 INFO [stderr]   |     ^^^^^^
Dec 05 22:00:21.780 INFO [stderr] 
Dec 05 22:00:22.044 INFO [stderr] warning: unused variable: `config_build`
Dec 05 22:00:22.044 INFO [stderr]   --> src/configuration.rs:11:13
Dec 05 22:00:22.044 INFO [stderr]    |
Dec 05 22:00:22.044 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 05 22:00:22.044 INFO [stderr]    |             ^^^^^^^^^^^^ help: consider using `_config_build` instead
Dec 05 22:00:22.044 INFO [stderr]    |
Dec 05 22:00:22.044 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 22:00:22.044 INFO [stderr] 
Dec 05 22:00:22.044 INFO [stderr] warning: unused variable: `config_prod`
Dec 05 22:00:22.044 INFO [stderr]   --> src/configuration.rs:15:13
Dec 05 22:00:22.044 INFO [stderr]    |
Dec 05 22:00:22.044 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 05 22:00:22.044 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_config_prod` instead
Dec 05 22:00:22.044 INFO [stderr] 
Dec 05 22:00:22.056 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:00:22.056 INFO [stderr]   --> src/configuration.rs:11:9
Dec 05 22:00:22.056 INFO [stderr]    |
Dec 05 22:00:22.056 INFO [stderr] 11 |     let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap();
Dec 05 22:00:22.056 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 05 22:00:22.056 INFO [stderr]    |         |
Dec 05 22:00:22.056 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:00:22.056 INFO [stderr]    |
Dec 05 22:00:22.056 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 22:00:22.056 INFO [stderr] 
Dec 05 22:00:22.056 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:00:22.056 INFO [stderr]   --> src/configuration.rs:14:9
Dec 05 22:00:22.056 INFO [stderr]    |
Dec 05 22:00:22.056 INFO [stderr] 14 |     let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap();
Dec 05 22:00:22.056 INFO [stderr]    |         ----^^^^^^^^^
Dec 05 22:00:22.056 INFO [stderr]    |         |
Dec 05 22:00:22.056 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:00:22.056 INFO [stderr] 
Dec 05 22:00:22.056 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:00:22.056 INFO [stderr]   --> src/configuration.rs:15:9
Dec 05 22:00:22.056 INFO [stderr]    |
Dec 05 22:00:22.056 INFO [stderr] 15 |     let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap();
Dec 05 22:00:22.056 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 05 22:00:22.056 INFO [stderr]    |         |
Dec 05 22:00:22.056 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:00:22.056 INFO [stderr] 
Dec 05 22:00:22.479 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 05 22:00:22.484 INFO [stderr] su: No module specific data is present
Dec 05 22:00:23.139 INFO running `"docker" "inspect" "c709770031e4127cbdba35a6aaa2501d93042626a7bcb7f30320c9131295ac9f"`
Dec 05 22:00:23.491 INFO running `"docker" "rm" "-f" "c709770031e4127cbdba35a6aaa2501d93042626a7bcb7f30320c9131295ac9f"`
Dec 05 22:00:23.736 INFO [stdout] c709770031e4127cbdba35a6aaa2501d93042626a7bcb7f30320c9131295ac9f
Dec 05 22:00:23.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 22:00:24.274 INFO [stdout] 557062f3e5de0cbf1f07a46e834cd52c9875d69e205e3e3e283885dc81c153f6
Dec 05 22:00:24.276 INFO running `"docker" "start" "-a" "557062f3e5de0cbf1f07a46e834cd52c9875d69e205e3e3e283885dc81c153f6"`
Dec 05 22:00:25.624 INFO [stderr] usermod: no changes
Dec 05 22:00:25.726 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 05 22:00:25.738 INFO [stderr]      Running /target/debug/deps/rust_examples-d2a74ecd2407b3d2
Dec 05 22:00:25.739 INFO [stdout] 
Dec 05 22:00:25.739 INFO [stdout] running 0 tests
Dec 05 22:00:25.739 INFO [stdout] 
Dec 05 22:00:25.739 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 22:00:25.739 INFO [stdout] 
Dec 05 22:00:25.746 INFO [stderr] su: No module specific data is present
Dec 05 22:00:26.926 INFO running `"docker" "inspect" "557062f3e5de0cbf1f07a46e834cd52c9875d69e205e3e3e283885dc81c153f6"`
Dec 05 22:00:27.260 INFO running `"docker" "rm" "-f" "557062f3e5de0cbf1f07a46e834cd52c9875d69e205e3e3e283885dc81c153f6"`
Dec 05 22:00:27.571 INFO [stdout] 557062f3e5de0cbf1f07a46e834cd52c9875d69e205e3e3e283885dc81c153f6