Dec 19 13:35:45.623 INFO checking llewekam/ErrorHandlingRust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:35:45.623 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/llewekam/ErrorHandlingRust:/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 13:35:45.847 INFO [stdout] 277f2ea0f04cfcad553a1e446e189ade9158252899dbd5e4f3a2478551d3fe71
Dec 19 13:35:45.848 INFO running `"docker" "start" "-a" "277f2ea0f04cfcad553a1e446e189ade9158252899dbd5e4f3a2478551d3fe71"`
Dec 19 13:35:46.384 INFO [stderr]     Checking error_handling v0.0.1 (/opt/crater/workdir)
Dec 19 13:35:46.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:35:46.716 INFO [stderr]  --> src/main.rs:9:5
Dec 19 13:35:46.716 INFO [stderr]   |
Dec 19 13:35:46.716 INFO [stderr] 9 |     token::do_token_stuff(&token_string);
Dec 19 13:35:46.716 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:35:46.716 INFO [stderr]   |
Dec 19 13:35:46.716 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 13:35:46.716 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:35:46.716 INFO [stderr] 
Dec 19 13:35:46.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:35:46.719 INFO [stderr]  --> src/main.rs:9:5
Dec 19 13:35:46.719 INFO [stderr]   |
Dec 19 13:35:46.719 INFO [stderr] 9 |     token::do_token_stuff(&token_string);
Dec 19 13:35:46.719 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:35:46.719 INFO [stderr]   |
Dec 19 13:35:46.719 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 13:35:46.719 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:35:46.719 INFO [stderr] 
Dec 19 13:35:46.754 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Dec 19 13:35:47.354 INFO running `"docker" "inspect" "277f2ea0f04cfcad553a1e446e189ade9158252899dbd5e4f3a2478551d3fe71"`
Dec 19 13:35:47.622 INFO running `"docker" "rm" "-f" "277f2ea0f04cfcad553a1e446e189ade9158252899dbd5e4f3a2478551d3fe71"`
Dec 19 13:35:47.892 INFO [stdout] 277f2ea0f04cfcad553a1e446e189ade9158252899dbd5e4f3a2478551d3fe71