Dec 18 03:50:21.517 INFO checking arnavb/bef93 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:50:21.517 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:50:21.773 INFO [stdout] 2128648a6a346abef735f4d8988dd49c4ba4d7d3ef7df685f763a53dc04135c8
Dec 18 03:50:21.778 INFO running `"docker" "start" "-a" "2128648a6a346abef735f4d8988dd49c4ba4d7d3ef7df685f763a53dc04135c8"`
Dec 18 03:50:22.883 INFO [stderr]     Checking clap v2.32.0
Dec 18 03:50:27.308 INFO [stderr]     Checking bef93 v0.1.0 (/opt/crater/workdir)
Dec 18 03:50:28.009 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 03:50:28.009 INFO [stderr]   --> src/main.rs:31:44
Dec 18 03:50:28.009 INFO [stderr]    |
Dec 18 03:50:28.009 INFO [stderr] 31 |         eprintln!("{}", format!("{}", err).trim_right());
Dec 18 03:50:28.010 INFO [stderr]    |                                            ^^^^^^^^^^
Dec 18 03:50:28.010 INFO [stderr]    |
Dec 18 03:50:28.016 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 03:50:28.016 INFO [stderr] 
Dec 18 03:50:28.032 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 03:50:28.032 INFO [stderr]   --> src/main.rs:31:44
Dec 18 03:50:28.032 INFO [stderr]    |
Dec 18 03:50:28.032 INFO [stderr] 31 |         eprintln!("{}", format!("{}", err).trim_right());
Dec 18 03:50:28.033 INFO [stderr]    |                                            ^^^^^^^^^^
Dec 18 03:50:28.033 INFO [stderr]    |
Dec 18 03:50:28.033 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 03:50:28.033 INFO [stderr] 
Dec 18 03:50:28.228 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:50:28.228 INFO [stderr]    --> src/bef93.rs:127:25
Dec 18 03:50:28.229 INFO [stderr]     |
Dec 18 03:50:28.229 INFO [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
Dec 18 03:50:28.229 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:50:28.229 INFO [stderr]     |
Dec 18 03:50:28.229 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:50:28.229 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:50:28.229 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 18 03:50:28.229 INFO [stderr] 
Dec 18 03:50:28.229 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:50:28.229 INFO [stderr]    --> src/bef93.rs:127:25
Dec 18 03:50:28.229 INFO [stderr]     |
Dec 18 03:50:28.229 INFO [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
Dec 18 03:50:28.229 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:50:28.229 INFO [stderr]     |
Dec 18 03:50:28.229 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:50:28.229 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:50:28.229 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 18 03:50:28.229 INFO [stderr] 
Dec 18 03:50:28.229 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:50:28.229 INFO [stderr]    --> src/bef93.rs:133:25
Dec 18 03:50:28.229 INFO [stderr]     |
Dec 18 03:50:28.229 INFO [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
Dec 18 03:50:28.229 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:50:28.229 INFO [stderr]     |
Dec 18 03:50:28.229 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:50:28.229 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 18 03:50:28.229 INFO [stderr] 
Dec 18 03:50:28.229 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:50:28.229 INFO [stderr]    --> src/bef93.rs:133:25
Dec 18 03:50:28.229 INFO [stderr]     |
Dec 18 03:50:28.229 INFO [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
Dec 18 03:50:28.229 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:50:28.229 INFO [stderr]     |
Dec 18 03:50:28.229 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:50:28.229 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 18 03:50:28.229 INFO [stderr] 
Dec 18 03:50:28.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
Dec 18 03:50:29.618 INFO running `"docker" "inspect" "2128648a6a346abef735f4d8988dd49c4ba4d7d3ef7df685f763a53dc04135c8"`
Dec 18 03:50:29.898 INFO running `"docker" "rm" "-f" "2128648a6a346abef735f4d8988dd49c4ba4d7d3ef7df685f763a53dc04135c8"`
Dec 18 03:50:30.204 INFO [stdout] 2128648a6a346abef735f4d8988dd49c4ba4d7d3ef7df685f763a53dc04135c8