Dec 19 20:49:42.084 INFO checking alekratz/not-perl against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:49:42.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/alekratz/not-perl:/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 20:49:42.473 INFO [stdout] 786f272029b349f5096f460de9639deb4cd181164895985f19faf8f824f84e9c
Dec 19 20:49:42.482 INFO running `"docker" "start" "-a" "786f272029b349f5096f460de9639deb4cd181164895985f19faf8f824f84e9c"`
Dec 19 20:49:44.012 INFO [stderr]    Compiling enum-methods v0.0.8
Dec 19 20:49:47.939 INFO [stderr]     Checking not-perl v0.1.0 (/opt/crater/workdir)
Dec 19 20:49:50.673 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:49:50.673 INFO [stderr]   --> src/main.rs:53:13
Dec 19 20:49:50.673 INFO [stderr]    |
Dec 19 20:49:50.673 INFO [stderr] 53 |             write!(stdout, " > ");
Dec 19 20:49:50.673 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:49:50.673 INFO [stderr]    |
Dec 19 20:49:50.673 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:49:50.673 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:49:50.673 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 20:49:50.673 INFO [stderr] 
Dec 19 20:49:51.010 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:49:51.010 INFO [stderr]   --> src/main.rs:53:13
Dec 19 20:49:51.010 INFO [stderr]    |
Dec 19 20:49:51.010 INFO [stderr] 53 |             write!(stdout, " > ");
Dec 19 20:49:51.010 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:49:51.010 INFO [stderr]    |
Dec 19 20:49:51.010 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:49:51.010 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:49:51.010 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 20:49:51.012 INFO [stderr] 
Dec 19 20:49:51.085 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
Dec 19 20:49:51.559 INFO running `"docker" "inspect" "786f272029b349f5096f460de9639deb4cd181164895985f19faf8f824f84e9c"`
Dec 19 20:49:51.929 INFO running `"docker" "rm" "-f" "786f272029b349f5096f460de9639deb4cd181164895985f19faf8f824f84e9c"`
Dec 19 20:49:52.166 INFO [stdout] 786f272029b349f5096f460de9639deb4cd181164895985f19faf8f824f84e9c