[INFO] updating cached repository jonimake/rust-settings-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonimake/rust-settings-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonimake/rust-settings-test" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/jonimake/rust-settings-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/jonimake/rust-settings-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonimake/rust-settings-test" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/jonimake/rust-settings-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jonimake/rust-settings-test on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-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-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/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-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking jonimake/rust-settings-test against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-3/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/jonimake/rust-settings-test:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2e4fe55e78e355308127b6f3615785f99ca8a3faca50f88edf4e73eb5aa1123a
[INFO] running `"docker" "start" "-a" "2e4fe55e78e355308127b6f3615785f99ca8a3faca50f88edf4e73eb5aa1123a"`
[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 6.29s
[INFO] running `"docker" "inspect" "2e4fe55e78e355308127b6f3615785f99ca8a3faca50f88edf4e73eb5aa1123a"`
[INFO] running `"docker" "rm" "-f" "2e4fe55e78e355308127b6f3615785f99ca8a3faca50f88edf4e73eb5aa1123a"`
[INFO] [stdout] 2e4fe55e78e355308127b6f3615785f99ca8a3faca50f88edf4e73eb5aa1123a