[INFO] updating cached repository https://github.com/jonimake/rust-settings-test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 304c97e4cbf26ce8001bf5b6649ff24c808a78fd
[INFO] testing jonimake/rust-settings-test against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonimake%2Frust-settings-test" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonimake/rust-settings-test on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jonimake/rust-settings-test
[INFO] finished tweaking git repo https://github.com/jonimake/rust-settings-test
[INFO] tweaked toml for git repo https://github.com/jonimake/rust-settings-test written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jonimake/rust-settings-test already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 464caae5a3376a4a7c991a6590deb1207710e554680f2cf7f365335db58476e9
[INFO] running `"docker" "start" "-a" "464caae5a3376a4a7c991a6590deb1207710e554680f2cf7f365335db58476e9"`
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling config v0.9.1
[INFO] [stderr]    Compiling rust-setting-test v0.1.0 (/opt/rustwide/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]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `"docker" "inspect" "464caae5a3376a4a7c991a6590deb1207710e554680f2cf7f365335db58476e9"`
[INFO] running `"docker" "rm" "-f" "464caae5a3376a4a7c991a6590deb1207710e554680f2cf7f365335db58476e9"`
[INFO] [stdout] 464caae5a3376a4a7c991a6590deb1207710e554680f2cf7f365335db58476e9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3be3a4860c1058aa393abb5d16e1205253db408f8f97ad4736bf8c371de8656f
[INFO] running `"docker" "start" "-a" "3be3a4860c1058aa393abb5d16e1205253db408f8f97ad4736bf8c371de8656f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-setting-test v0.1.0 (/opt/rustwide/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]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "3be3a4860c1058aa393abb5d16e1205253db408f8f97ad4736bf8c371de8656f"`
[INFO] running `"docker" "rm" "-f" "3be3a4860c1058aa393abb5d16e1205253db408f8f97ad4736bf8c371de8656f"`
[INFO] [stdout] 3be3a4860c1058aa393abb5d16e1205253db408f8f97ad4736bf8c371de8656f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d081083b7a5f38b3ee1959b952e990805571a7c079ecd67e0ae8b03aaa802e1a
[INFO] running `"docker" "start" "-a" "d081083b7a5f38b3ee1959b952e990805571a7c079ecd67e0ae8b03aaa802e1a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_setting_test-b94692e8ed24df86
[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" "d081083b7a5f38b3ee1959b952e990805571a7c079ecd67e0ae8b03aaa802e1a"`
[INFO] running `"docker" "rm" "-f" "d081083b7a5f38b3ee1959b952e990805571a7c079ecd67e0ae8b03aaa802e1a"`
[INFO] [stdout] d081083b7a5f38b3ee1959b952e990805571a7c079ecd67e0ae8b03aaa802e1a