Dec 19 20:20:22.230 INFO checking arnavb/bef93 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:20:22.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/arnavb/bef93:/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 20:20:22.446 INFO [stdout] 377b309c5b1405813e4ad63160548317d07b9ce76ba4a8310ea69e72b2e5c3c4
Dec 19 20:20:22.449 INFO running `"docker" "start" "-a" "377b309c5b1405813e4ad63160548317d07b9ce76ba4a8310ea69e72b2e5c3c4"`
Dec 19 20:20:23.348 INFO [stderr]    Compiling libc v0.2.44
Dec 19 20:20:23.357 INFO [stderr]     Checking clap v2.32.0
Dec 19 20:20:27.285 INFO [stderr]     Checking rand v0.6.1
Dec 19 20:20:31.607 INFO [stderr]     Checking bef93 v0.1.0 (/opt/crater/workdir)
Dec 19 20:20:32.228 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 19 20:20:32.228 INFO [stderr]   --> src/main.rs:31:44
Dec 19 20:20:32.228 INFO [stderr]    |
Dec 19 20:20:32.228 INFO [stderr] 31 |         eprintln!("{}", format!("{}", err).trim_right());
Dec 19 20:20:32.228 INFO [stderr]    |                                            ^^^^^^^^^^
Dec 19 20:20:32.240 INFO [stderr]    |
Dec 19 20:20:32.240 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 20:20:32.240 INFO [stderr] 
Dec 19 20:20:32.320 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 19 20:20:32.320 INFO [stderr]   --> src/main.rs:31:44
Dec 19 20:20:32.320 INFO [stderr]    |
Dec 19 20:20:32.320 INFO [stderr] 31 |         eprintln!("{}", format!("{}", err).trim_right());
Dec 19 20:20:32.320 INFO [stderr]    |                                            ^^^^^^^^^^
Dec 19 20:20:32.320 INFO [stderr]    |
Dec 19 20:20:32.320 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 20:20:32.320 INFO [stderr] 
Dec 19 20:20:32.484 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:20:32.484 INFO [stderr]    --> src/bef93.rs:127:25
Dec 19 20:20:32.484 INFO [stderr]     |
Dec 19 20:20:32.484 INFO [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
Dec 19 20:20:32.484 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:20:32.500 INFO [stderr]     |
Dec 19 20:20:32.500 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 20:20:32.500 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:20:32.500 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 20:20:32.500 INFO [stderr] 
Dec 19 20:20:32.500 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:20:32.500 INFO [stderr]    --> src/bef93.rs:133:25
Dec 19 20:20:32.500 INFO [stderr]     |
Dec 19 20:20:32.500 INFO [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
Dec 19 20:20:32.500 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:20:32.500 INFO [stderr]     |
Dec 19 20:20:32.500 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:20:32.500 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 20:20:32.500 INFO [stderr] 
Dec 19 20:20:32.536 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:20:32.536 INFO [stderr]    --> src/bef93.rs:127:25
Dec 19 20:20:32.536 INFO [stderr]     |
Dec 19 20:20:32.536 INFO [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
Dec 19 20:20:32.536 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:20:32.536 INFO [stderr]     |
Dec 19 20:20:32.536 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 20:20:32.536 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:20:32.536 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 20:20:32.536 INFO [stderr] 
Dec 19 20:20:32.536 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:20:32.536 INFO [stderr]    --> src/bef93.rs:133:25
Dec 19 20:20:32.536 INFO [stderr]     |
Dec 19 20:20:32.536 INFO [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
Dec 19 20:20:32.536 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:20:32.536 INFO [stderr]     |
Dec 19 20:20:32.536 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:20:32.536 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 20:20:32.536 INFO [stderr] 
Dec 19 20:20:32.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.32s
Dec 19 20:20:33.690 INFO running `"docker" "inspect" "377b309c5b1405813e4ad63160548317d07b9ce76ba4a8310ea69e72b2e5c3c4"`
Dec 19 20:20:34.064 INFO running `"docker" "rm" "-f" "377b309c5b1405813e4ad63160548317d07b9ce76ba4a8310ea69e72b2e5c3c4"`
Dec 19 20:20:34.379 INFO [stdout] 377b309c5b1405813e4ad63160548317d07b9ce76ba4a8310ea69e72b2e5c3c4