[INFO] cloning repository jonimake/rust-settings-test
[INFO] running `"git" "clone" "--bare" "git://github.com/jonimake/rust-settings-test.git" "work/cache/sources/gh/jonimake/rust-settings-test"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jonimake/rust-settings-test'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jonimake/rust-settings-test" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jonimake/rust-settings-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jonimake/rust-settings-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonimake/rust-settings-test" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jonimake/rust-settings-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jonimake/rust-settings-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 304c97e4cbf26ce8001bf5b6649ff24c808a78fd
[INFO] sha for GitHub repo jonimake/rust-settings-test: 304c97e4cbf26ce8001bf5b6649ff24c808a78fd
[INFO] validating manifest of jonimake/rust-settings-test on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jonimake/rust-settings-test on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jonimake/rust-settings-test
[INFO] finished frobbing jonimake/rust-settings-test
[INFO] frobbed toml for jonimake/rust-settings-test written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jonimake/rust-settings-test/Cargo.toml
[INFO] started frobbing jonimake/rust-settings-test
[INFO] finished frobbing jonimake/rust-settings-test
[INFO] frobbed toml for jonimake/rust-settings-test written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jonimake/rust-settings-test/Cargo.toml
[INFO] crate jonimake/rust-settings-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jonimake/rust-settings-test against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jonimake/rust-settings-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a6ba89d825f6d7910b22ab1852c4a0daeef4fff7b7f01bd7177ab4829e523228
[INFO] running `"docker" "start" "-a" "a6ba89d825f6d7910b22ab1852c4a0daeef4fff7b7f01bd7177ab4829e523228"`
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking config v0.9.1
[INFO] [stderr]     Checking rust-setting-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `config_file`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let config_file = config::File::with_name("Settings");
[INFO] [stderr]   |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_file`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config_file`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let config_file = config::File::with_name("Settings");
[INFO] [stderr]   |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_file`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `"docker" "inspect" "a6ba89d825f6d7910b22ab1852c4a0daeef4fff7b7f01bd7177ab4829e523228"`
[INFO] running `"docker" "rm" "-f" "a6ba89d825f6d7910b22ab1852c4a0daeef4fff7b7f01bd7177ab4829e523228"`
[INFO] [stdout] a6ba89d825f6d7910b22ab1852c4a0daeef4fff7b7f01bd7177ab4829e523228