[INFO] cloning repository harindaka/rust-guessing-game [INFO] running `"git" "clone" "--bare" "git://github.com/harindaka/rust-guessing-game.git" "work/cache/sources/gh/harindaka/rust-guessing-game"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/harindaka/rust-guessing-game'... [INFO] running `"git" "clone" "work/cache/sources/gh/harindaka/rust-guessing-game" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/harindaka/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/harindaka/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/harindaka/rust-guessing-game" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/harindaka/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/harindaka/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 716793c84c29061b61008283e5fd1e3ded13ffc6 [INFO] sha for GitHub repo harindaka/rust-guessing-game: 716793c84c29061b61008283e5fd1e3ded13ffc6 [INFO] validating manifest of harindaka/rust-guessing-game on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of harindaka/rust-guessing-game on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing harindaka/rust-guessing-game [INFO] finished frobbing harindaka/rust-guessing-game [INFO] frobbed toml for harindaka/rust-guessing-game written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/harindaka/rust-guessing-game/Cargo.toml [INFO] started frobbing harindaka/rust-guessing-game [INFO] finished frobbing harindaka/rust-guessing-game [INFO] frobbed toml for harindaka/rust-guessing-game written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/harindaka/rust-guessing-game/Cargo.toml [INFO] crate harindaka/rust-guessing-game has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking harindaka/rust-guessing-game against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/harindaka/rust-guessing-game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2b89b848d86f03aba3e96d756ff4ce2c89c5d975b5b3e75280680b6b478b22d7 [INFO] running `"docker" "start" "-a" "2b89b848d86f03aba3e96d756ff4ce2c89c5d975b5b3e75280680b6b478b22d7"` [INFO] [stderr] Checking rust_examples v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `config` [INFO] [stderr] --> src/configuration.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use config; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `config` [INFO] [stderr] --> src/configuration.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use config; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_build` [INFO] [stderr] --> src/configuration.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_build` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_prod` [INFO] [stderr] --> src/configuration.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_prod` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_build` [INFO] [stderr] --> src/configuration.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_build` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_prod` [INFO] [stderr] --> src/configuration.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_prod` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `"docker" "inspect" "2b89b848d86f03aba3e96d756ff4ce2c89c5d975b5b3e75280680b6b478b22d7"` [INFO] running `"docker" "rm" "-f" "2b89b848d86f03aba3e96d756ff4ce2c89c5d975b5b3e75280680b6b478b22d7"` [INFO] [stdout] 2b89b848d86f03aba3e96d756ff4ce2c89c5d975b5b3e75280680b6b478b22d7