Dec 17 15:34:15.666 INFO checking sharkdp/hexyl against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:34:15.667 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/sharkdp/hexyl:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:34:16.172 INFO [stdout] cc9c9b6b017e20589f0abda4288350b3f2935ed90fcf684c2a7d08af43fd56bb
Dec 17 15:34:16.178 INFO running `"docker" "start" "-a" "cc9c9b6b017e20589f0abda4288350b3f2935ed90fcf684c2a7d08af43fd56bb"`
Dec 17 15:34:18.204 INFO [stderr]     Checking textwrap v0.10.0
Dec 17 15:34:18.751 INFO [stderr]     Checking clap v2.32.0
Dec 17 15:34:23.418 INFO [stderr]     Checking hexyl v0.2.0 (/opt/crater/workdir)
Dec 17 15:34:24.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:34:24.173 INFO [stderr]    --> src/main.rs:93:9
Dec 17 15:34:24.173 INFO [stderr]     |
Dec 17 15:34:24.173 INFO [stderr] 93  | /         writeln!(
Dec 17 15:34:24.173 INFO [stderr] 94  | |             self.stdout,
Dec 17 15:34:24.173 INFO [stderr] 95  | |             "┌{}┬{}┬{}┬{}┬{}┐",
Dec 17 15:34:24.173 INFO [stderr] 96  | |             "─".repeat(8),
Dec 17 15:34:24.173 INFO [stderr] ...   |
Dec 17 15:34:24.173 INFO [stderr] 100 | |             "─".repeat(8)
Dec 17 15:34:24.173 INFO [stderr] 101 | |         );
Dec 17 15:34:24.173 INFO [stderr]     | |__________^
Dec 17 15:34:24.173 INFO [stderr]     |
Dec 17 15:34:24.173 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 15:34:24.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:34:24.173 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 17 15:34:24.173 INFO [stderr] 
Dec 17 15:34:24.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:34:24.173 INFO [stderr]    --> src/main.rs:105:9
Dec 17 15:34:24.173 INFO [stderr]     |
Dec 17 15:34:24.173 INFO [stderr] 105 | /         writeln!(
Dec 17 15:34:24.173 INFO [stderr] 106 | |             self.stdout,
Dec 17 15:34:24.173 INFO [stderr] 107 | |             "└{}┴{}┴{}┴{}┴{}┘",
Dec 17 15:34:24.173 INFO [stderr] 108 | |             "─".repeat(8),
Dec 17 15:34:24.173 INFO [stderr] ...   |
Dec 17 15:34:24.173 INFO [stderr] 112 | |             "─".repeat(8)
Dec 17 15:34:24.173 INFO [stderr] 113 | |         );
Dec 17 15:34:24.173 INFO [stderr]     | |__________^
Dec 17 15:34:24.173 INFO [stderr]     |
Dec 17 15:34:24.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:34:24.173 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 17 15:34:24.173 INFO [stderr] 
Dec 17 15:34:24.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:34:24.173 INFO [stderr]    --> src/main.rs:163:17
Dec 17 15:34:24.173 INFO [stderr]     |
Dec 17 15:34:24.173 INFO [stderr] 163 |                 write!(self.stdout, "┊");
Dec 17 15:34:24.173 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:34:24.174 INFO [stderr]     |
Dec 17 15:34:24.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:34:24.174 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 17 15:34:24.174 INFO [stderr] 
Dec 17 15:34:24.300 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:34:24.300 INFO [stderr]    --> src/main.rs:93:9
Dec 17 15:34:24.300 INFO [stderr]     |
Dec 17 15:34:24.300 INFO [stderr] 93  | /         writeln!(
Dec 17 15:34:24.300 INFO [stderr] 94  | |             self.stdout,
Dec 17 15:34:24.300 INFO [stderr] 95  | |             "┌{}┬{}┬{}┬{}┬{}┐",
Dec 17 15:34:24.300 INFO [stderr] 96  | |             "─".repeat(8),
Dec 17 15:34:24.300 INFO [stderr] ...   |
Dec 17 15:34:24.300 INFO [stderr] 100 | |             "─".repeat(8)
Dec 17 15:34:24.300 INFO [stderr] 101 | |         );
Dec 17 15:34:24.300 INFO [stderr]     | |__________^
Dec 17 15:34:24.300 INFO [stderr]     |
Dec 17 15:34:24.300 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 15:34:24.300 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:34:24.300 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 17 15:34:24.301 INFO [stderr] 
Dec 17 15:34:24.301 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:34:24.301 INFO [stderr]    --> src/main.rs:105:9
Dec 17 15:34:24.301 INFO [stderr]     |
Dec 17 15:34:24.301 INFO [stderr] 105 | /         writeln!(
Dec 17 15:34:24.301 INFO [stderr] 106 | |             self.stdout,
Dec 17 15:34:24.301 INFO [stderr] 107 | |             "└{}┴{}┴{}┴{}┴{}┘",
Dec 17 15:34:24.301 INFO [stderr] 108 | |             "─".repeat(8),
Dec 17 15:34:24.301 INFO [stderr] ...   |
Dec 17 15:34:24.301 INFO [stderr] 112 | |             "─".repeat(8)
Dec 17 15:34:24.301 INFO [stderr] 113 | |         );
Dec 17 15:34:24.301 INFO [stderr]     | |__________^
Dec 17 15:34:24.301 INFO [stderr]     |
Dec 17 15:34:24.301 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:34:24.301 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 17 15:34:24.301 INFO [stderr] 
Dec 17 15:34:24.301 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:34:24.301 INFO [stderr]    --> src/main.rs:163:17
Dec 17 15:34:24.301 INFO [stderr]     |
Dec 17 15:34:24.301 INFO [stderr] 163 |                 write!(self.stdout, "┊");
Dec 17 15:34:24.301 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:34:24.301 INFO [stderr]     |
Dec 17 15:34:24.301 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:34:24.301 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 17 15:34:24.301 INFO [stderr] 
Dec 17 15:34:24.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
Dec 17 15:34:25.344 INFO running `"docker" "inspect" "cc9c9b6b017e20589f0abda4288350b3f2935ed90fcf684c2a7d08af43fd56bb"`
Dec 17 15:34:25.690 INFO running `"docker" "rm" "-f" "cc9c9b6b017e20589f0abda4288350b3f2935ed90fcf684c2a7d08af43fd56bb"`
Dec 17 15:34:26.048 INFO [stdout] cc9c9b6b017e20589f0abda4288350b3f2935ed90fcf684c2a7d08af43fd56bb