Dec 19 04:41:19.721 INFO checking zaubermaerchen/roco against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 04:41:19.721 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/zaubermaerchen/roco:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 04:41:20.274 INFO [stdout] 9a6ef55da4c5766bd876ef86f1feb475ac302fefb7e71ec1b2b422c77cef9bb2
Dec 19 04:41:20.280 INFO running `"docker" "start" "-a" "9a6ef55da4c5766bd876ef86f1feb475ac302fefb7e71ec1b2b422c77cef9bb2"`
Dec 19 04:41:22.148 INFO [stderr]     Checking argparse v0.2.1
Dec 19 04:41:22.156 INFO [stderr]     Checking yaml-rust v0.3.5
Dec 19 04:41:23.447 INFO [stderr]     Checking roco v0.1.0 (/opt/crater/workdir)
Dec 19 04:41:23.616 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 19 04:41:23.616 INFO [stderr]   --> src/main.rs:47:28
Dec 19 04:41:23.616 INFO [stderr]    |
Dec 19 04:41:23.616 INFO [stderr] 47 |     let path: PathBuf = match env::home_dir() {
Dec 19 04:41:23.616 INFO [stderr]    |                               ^^^^^^^^^^^^^
Dec 19 04:41:23.616 INFO [stderr]    |
Dec 19 04:41:23.616 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 04:41:23.616 INFO [stderr] 
Dec 19 04:41:23.672 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 04:41:23.672 INFO [stderr]   --> src/yaml_parser.rs:13:4
Dec 19 04:41:23.672 INFO [stderr]    |
Dec 19 04:41:23.672 INFO [stderr] 13 |             writeln!(&mut std::io::stderr(), "{}", e);
Dec 19 04:41:23.672 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 04:41:23.672 INFO [stderr]    |
Dec 19 04:41:23.672 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 04:41:23.672 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 04:41:23.672 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 04:41:23.672 INFO [stderr] 
Dec 19 04:41:23.672 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 04:41:23.672 INFO [stderr]   --> src/main.rs:32:4
Dec 19 04:41:23.672 INFO [stderr]    |
Dec 19 04:41:23.672 INFO [stderr] 32 |             writeln!(&mut std::io::stderr(), "{}", e);
Dec 19 04:41:23.672 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 04:41:23.672 INFO [stderr]    |
Dec 19 04:41:23.672 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 04:41:23.672 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 04:41:23.672 INFO [stderr] 
Dec 19 04:41:23.696 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 19 04:41:23.696 INFO [stderr]   --> src/main.rs:47:28
Dec 19 04:41:23.696 INFO [stderr]    |
Dec 19 04:41:23.696 INFO [stderr] 47 |     let path: PathBuf = match env::home_dir() {
Dec 19 04:41:23.696 INFO [stderr]    |                               ^^^^^^^^^^^^^
Dec 19 04:41:23.696 INFO [stderr]    |
Dec 19 04:41:23.696 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 04:41:23.696 INFO [stderr] 
Dec 19 04:41:23.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 04:41:23.836 INFO [stderr]   --> src/yaml_parser.rs:13:4
Dec 19 04:41:23.836 INFO [stderr]    |
Dec 19 04:41:23.836 INFO [stderr] 13 |             writeln!(&mut std::io::stderr(), "{}", e);
Dec 19 04:41:23.836 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 04:41:23.836 INFO [stderr]    |
Dec 19 04:41:23.836 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 04:41:23.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 04:41:23.836 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 04:41:23.836 INFO [stderr] 
Dec 19 04:41:23.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 04:41:23.836 INFO [stderr]   --> src/main.rs:32:4
Dec 19 04:41:23.836 INFO [stderr]    |
Dec 19 04:41:23.836 INFO [stderr] 32 |             writeln!(&mut std::io::stderr(), "{}", e);
Dec 19 04:41:23.836 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 04:41:23.836 INFO [stderr]    |
Dec 19 04:41:23.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 04:41:23.836 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 04:41:23.836 INFO [stderr] 
Dec 19 04:41:23.867 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Dec 19 04:41:24.620 INFO running `"docker" "inspect" "9a6ef55da4c5766bd876ef86f1feb475ac302fefb7e71ec1b2b422c77cef9bb2"`
Dec 19 04:41:24.900 INFO running `"docker" "rm" "-f" "9a6ef55da4c5766bd876ef86f1feb475ac302fefb7e71ec1b2b422c77cef9bb2"`
Dec 19 04:41:25.160 INFO [stdout] 9a6ef55da4c5766bd876ef86f1feb475ac302fefb7e71ec1b2b422c77cef9bb2