Dec 11 22:23:31.445 INFO checking arnavb/bef93 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:23:31.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 22:23:31.998 INFO [stdout] 8f758ac6b342cbbaf3ed6ff8fdbef3ea00dae981873a66b5dad9244b108b3ca4
Dec 11 22:23:32.006 INFO running `"docker" "start" "-a" "8f758ac6b342cbbaf3ed6ff8fdbef3ea00dae981873a66b5dad9244b108b3ca4"`
Dec 11 22:23:33.048 INFO [stderr] usermod: no changes
Dec 11 22:23:33.187 INFO [stderr]     Checking clap v2.32.0
Dec 11 22:23:37.725 INFO [stderr]     Checking bef93 v0.1.0 (/source)
Dec 11 22:23:39.364 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:23:39.364 INFO [stderr]    --> src/bef93.rs:127:25
Dec 11 22:23:39.364 INFO [stderr]     |
Dec 11 22:23:39.364 INFO [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
Dec 11 22:23:39.364 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:23:39.364 INFO [stderr]     |
Dec 11 22:23:39.364 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 22:23:39.364 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:23:39.364 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 11 22:23:39.364 INFO [stderr] 
Dec 11 22:23:39.364 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:23:39.364 INFO [stderr]    --> src/bef93.rs:133:25
Dec 11 22:23:39.364 INFO [stderr]     |
Dec 11 22:23:39.364 INFO [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
Dec 11 22:23:39.364 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:23:39.364 INFO [stderr]     |
Dec 11 22:23:39.364 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:23:39.364 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 11 22:23:39.365 INFO [stderr] 
Dec 11 22:23:39.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:23:39.608 INFO [stderr]    --> src/bef93.rs:127:25
Dec 11 22:23:39.608 INFO [stderr]     |
Dec 11 22:23:39.608 INFO [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
Dec 11 22:23:39.608 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:23:39.608 INFO [stderr]     |
Dec 11 22:23:39.608 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 22:23:39.608 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:23:39.608 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 11 22:23:39.608 INFO [stderr] 
Dec 11 22:23:39.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:23:39.608 INFO [stderr]    --> src/bef93.rs:133:25
Dec 11 22:23:39.608 INFO [stderr]     |
Dec 11 22:23:39.608 INFO [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
Dec 11 22:23:39.608 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:23:39.609 INFO [stderr]     |
Dec 11 22:23:39.609 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:23:39.609 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 11 22:23:39.609 INFO [stderr] 
Dec 11 22:23:39.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
Dec 11 22:23:39.645 INFO [stderr] su: No module specific data is present
Dec 11 22:23:40.468 INFO running `"docker" "inspect" "8f758ac6b342cbbaf3ed6ff8fdbef3ea00dae981873a66b5dad9244b108b3ca4"`
Dec 11 22:23:40.870 INFO running `"docker" "rm" "-f" "8f758ac6b342cbbaf3ed6ff8fdbef3ea00dae981873a66b5dad9244b108b3ca4"`
Dec 11 22:23:41.244 INFO [stdout] 8f758ac6b342cbbaf3ed6ff8fdbef3ea00dae981873a66b5dad9244b108b3ca4