[INFO] updating cached repository sharkdp/hexyl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sharkdp/hexyl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sharkdp/hexyl" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/sharkdp/hexyl"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/sharkdp/hexyl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sharkdp/hexyl" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/sharkdp/hexyl"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/sharkdp/hexyl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b5704f660c31f17644c89f412992680c232d4d4e
[INFO] sha for GitHub repo sharkdp/hexyl: b5704f660c31f17644c89f412992680c232d4d4e
[INFO] validating manifest of sharkdp/hexyl on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sharkdp/hexyl on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sharkdp/hexyl
[INFO] finished frobbing sharkdp/hexyl
[INFO] frobbed toml for sharkdp/hexyl written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/sharkdp/hexyl/Cargo.toml
[INFO] started frobbing sharkdp/hexyl
[INFO] finished frobbing sharkdp/hexyl
[INFO] frobbed toml for sharkdp/hexyl written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/sharkdp/hexyl/Cargo.toml
[INFO] crate sharkdp/hexyl has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sharkdp/hexyl against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 25083119b0433840537cc4d75c8a11ad51dc9b32f438cbb3176e36dd9cd61a1a
[INFO] running `"docker" "start" "-a" "25083119b0433840537cc4d75c8a11ad51dc9b32f438cbb3176e36dd9cd61a1a"`
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking hexyl v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:93:9
[INFO] [stderr]     |
[INFO] [stderr] 93  | /         writeln!(
[INFO] [stderr] 94  | |             self.stdout,
[INFO] [stderr] 95  | |             "┌{}┬{}┬{}┬{}┬{}┐",
[INFO] [stderr] 96  | |             "─".repeat(8),
[INFO] [stderr] ...   |
[INFO] [stderr] 100 | |             "─".repeat(8)
[INFO] [stderr] 101 | |         );
[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/main.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 | /         writeln!(
[INFO] [stderr] 106 | |             self.stdout,
[INFO] [stderr] 107 | |             "└{}┴{}┴{}┴{}┴{}┘",
[INFO] [stderr] 108 | |             "─".repeat(8),
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |             "─".repeat(8)
[INFO] [stderr] 113 | |         );
[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/main.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 write!(self.stdout, "┊");
[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/main.rs:93:9
[INFO] [stderr]     |
[INFO] [stderr] 93  | /         writeln!(
[INFO] [stderr] 94  | |             self.stdout,
[INFO] [stderr] 95  | |             "┌{}┬{}┬{}┬{}┬{}┐",
[INFO] [stderr] 96  | |             "─".repeat(8),
[INFO] [stderr] ...   |
[INFO] [stderr] 100 | |             "─".repeat(8)
[INFO] [stderr] 101 | |         );
[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/main.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 | /         writeln!(
[INFO] [stderr] 106 | |             self.stdout,
[INFO] [stderr] 107 | |             "└{}┴{}┴{}┴{}┴{}┘",
[INFO] [stderr] 108 | |             "─".repeat(8),
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |             "─".repeat(8)
[INFO] [stderr] 113 | |         );
[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/main.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 write!(self.stdout, "┊");
[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 5.43s
[INFO] running `"docker" "inspect" "25083119b0433840537cc4d75c8a11ad51dc9b32f438cbb3176e36dd9cd61a1a"`
[INFO] running `"docker" "rm" "-f" "25083119b0433840537cc4d75c8a11ad51dc9b32f438cbb3176e36dd9cd61a1a"`
[INFO] [stdout] 25083119b0433840537cc4d75c8a11ad51dc9b32f438cbb3176e36dd9cd61a1a