[INFO] updating cached repository arnavb/bef93
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arnavb/bef93
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arnavb/bef93" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/arnavb/bef93"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/arnavb/bef93'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arnavb/bef93" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/arnavb/bef93"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/arnavb/bef93'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec2ea908378dbd6f731b073ea688628460af2d88
[INFO] sha for GitHub repo arnavb/bef93: ec2ea908378dbd6f731b073ea688628460af2d88
[INFO] validating manifest of arnavb/bef93 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arnavb/bef93 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arnavb/bef93
[INFO] finished frobbing arnavb/bef93
[INFO] frobbed toml for arnavb/bef93 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/arnavb/bef93/Cargo.toml
[INFO] started frobbing arnavb/bef93
[INFO] finished frobbing arnavb/bef93
[INFO] frobbed toml for arnavb/bef93 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/arnavb/bef93/Cargo.toml
[INFO] crate arnavb/bef93 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking arnavb/bef93 against master#e2f221c75932de7a29845c8d6f1f73536ad00c41 for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-7/master#e2f221c75932de7a29845c8d6f1f73536ad00c41:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/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" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aa8363b67411d15a38f2acb09550f93fbc22279fb5aef9fa15bf56ead1033222
[INFO] running `"docker" "start" "-a" "aa8363b67411d15a38f2acb09550f93fbc22279fb5aef9fa15bf56ead1033222"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking bef93 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |         eprintln!("{}", format!("{}", err).trim_right());
[INFO] [stderr]    |                                            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |         eprintln!("{}", format!("{}", err).trim_right());
[INFO] [stderr]    |                                            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bef93.rs:127:25
[INFO] [stderr]     |
[INFO] [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bef93.rs:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bef93.rs:127:25
[INFO] [stderr]     |
[INFO] [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bef93.rs:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `"docker" "inspect" "aa8363b67411d15a38f2acb09550f93fbc22279fb5aef9fa15bf56ead1033222"`
[INFO] running `"docker" "rm" "-f" "aa8363b67411d15a38f2acb09550f93fbc22279fb5aef9fa15bf56ead1033222"`
[INFO] [stdout] aa8363b67411d15a38f2acb09550f93fbc22279fb5aef9fa15bf56ead1033222