[INFO] updating cached repository harindaka/rust-guessing-game [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/harindaka/rust-guessing-game [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/harindaka/rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/harindaka/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/harindaka/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/harindaka/rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/harindaka/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of harindaka/rust-guessing-game on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/harindaka/rust-guessing-game/Cargo.toml [INFO] crate harindaka/rust-guessing-game already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing harindaka/rust-guessing-game against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 2c7c850b9d37f58415df922ea519dd1655a2355e062b2a13c81a0a1a9be26147 [INFO] running `"docker" "start" "-a" "2c7c850b9d37f58415df922ea519dd1655a2355e062b2a13c81a0a1a9be26147"` [INFO] [stderr] Compiling serde_json v1.0.5 [INFO] [stderr] Compiling 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] | [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] Finished dev [unoptimized + debuginfo] target(s) in 5.71s [INFO] running `"docker" "inspect" "2c7c850b9d37f58415df922ea519dd1655a2355e062b2a13c81a0a1a9be26147"` [INFO] running `"docker" "rm" "-f" "2c7c850b9d37f58415df922ea519dd1655a2355e062b2a13c81a0a1a9be26147"` [INFO] [stdout] 2c7c850b9d37f58415df922ea519dd1655a2355e062b2a13c81a0a1a9be26147 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 4df4b417b841923c9d55021f3c657ad532676264f3a62fce59c737bd7dcf0777 [INFO] running `"docker" "start" "-a" "4df4b417b841923c9d55021f3c657ad532676264f3a62fce59c737bd7dcf0777"` [INFO] [stderr] Compiling 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] | [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] Finished dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `"docker" "inspect" "4df4b417b841923c9d55021f3c657ad532676264f3a62fce59c737bd7dcf0777"` [INFO] running `"docker" "rm" "-f" "4df4b417b841923c9d55021f3c657ad532676264f3a62fce59c737bd7dcf0777"` [INFO] [stdout] 4df4b417b841923c9d55021f3c657ad532676264f3a62fce59c737bd7dcf0777 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 4cbf43997ce28d91743410adf8820fe904790da5e0833dac16afab17b853a44b [INFO] running `"docker" "start" "-a" "4cbf43997ce28d91743410adf8820fe904790da5e0833dac16afab17b853a44b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_examples-1dc8808edebd5bae [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "4cbf43997ce28d91743410adf8820fe904790da5e0833dac16afab17b853a44b"` [INFO] running `"docker" "rm" "-f" "4cbf43997ce28d91743410adf8820fe904790da5e0833dac16afab17b853a44b"` [INFO] [stdout] 4cbf43997ce28d91743410adf8820fe904790da5e0833dac16afab17b853a44b