Dec 18 15:11:41.920 INFO checking hexyl-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:11:41.920 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/reg/hexyl/0.2.0:/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 15:11:42.060 INFO [stdout] 5378e5fb758b89da9251399b0f0439aa0749dfe5e828bfdab30464441c11c94b
Dec 18 15:11:42.062 INFO running `"docker" "start" "-a" "5378e5fb758b89da9251399b0f0439aa0749dfe5e828bfdab30464441c11c94b"`
Dec 18 15:11:42.756 INFO [stderr]     Checking hexyl v0.2.0 (/opt/crater/workdir)
Dec 18 15:11:43.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:11:43.556 INFO [stderr]   --> src/main.rs:92:9
Dec 18 15:11:43.556 INFO [stderr]    |
Dec 18 15:11:43.556 INFO [stderr] 92 | /         writeln!(
Dec 18 15:11:43.556 INFO [stderr] 93 | |             self.stdout,
Dec 18 15:11:43.556 INFO [stderr] 94 | |             "┌{}┬{}┬{}┬{}┐",
Dec 18 15:11:43.556 INFO [stderr] 95 | |             "─".repeat(3 * 8 + 1),
Dec 18 15:11:43.556 INFO [stderr] ...  |
Dec 18 15:11:43.556 INFO [stderr] 98 | |             "─".repeat(8)
Dec 18 15:11:43.556 INFO [stderr] 99 | |         );
Dec 18 15:11:43.556 INFO [stderr]    | |__________^
Dec 18 15:11:43.556 INFO [stderr]    |
Dec 18 15:11:43.556 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 15:11:43.556 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:11:43.556 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 15:11:43.556 INFO [stderr] 
Dec 18 15:11:43.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:11:43.556 INFO [stderr]    --> src/main.rs:103:9
Dec 18 15:11:43.556 INFO [stderr]     |
Dec 18 15:11:43.556 INFO [stderr] 103 | /         writeln!(
Dec 18 15:11:43.556 INFO [stderr] 104 | |             self.stdout,
Dec 18 15:11:43.556 INFO [stderr] 105 | |             "└{}┴{}┴{}┴{}┘",
Dec 18 15:11:43.556 INFO [stderr] 106 | |             "─".repeat(3 * 8 + 1),
Dec 18 15:11:43.556 INFO [stderr] ...   |
Dec 18 15:11:43.556 INFO [stderr] 109 | |             "─".repeat(8)
Dec 18 15:11:43.556 INFO [stderr] 110 | |         );
Dec 18 15:11:43.556 INFO [stderr]     | |__________^
Dec 18 15:11:43.556 INFO [stderr]     |
Dec 18 15:11:43.556 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:11:43.556 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 15:11:43.556 INFO [stderr] 
Dec 18 15:11:43.561 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:11:43.561 INFO [stderr]    --> src/main.rs:115:13
Dec 18 15:11:43.561 INFO [stderr]     |
Dec 18 15:11:43.561 INFO [stderr] 115 |             write!(self.stdout, "│ ");
Dec 18 15:11:43.561 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:11:43.561 INFO [stderr]     |
Dec 18 15:11:43.561 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:11:43.561 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 15:11:43.561 INFO [stderr] 
Dec 18 15:11:43.561 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:11:43.561 INFO [stderr]    --> src/main.rs:159:17
Dec 18 15:11:43.561 INFO [stderr]     |
Dec 18 15:11:43.561 INFO [stderr] 159 |                 write!(self.stdout, "┊");
Dec 18 15:11:43.561 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:11:43.561 INFO [stderr]     |
Dec 18 15:11:43.561 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:11:43.561 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 15:11:43.561 INFO [stderr] 
Dec 18 15:11:43.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:11:43.788 INFO [stderr]   --> src/main.rs:92:9
Dec 18 15:11:43.788 INFO [stderr]    |
Dec 18 15:11:43.788 INFO [stderr] 92 | /         writeln!(
Dec 18 15:11:43.788 INFO [stderr] 93 | |             self.stdout,
Dec 18 15:11:43.788 INFO [stderr] 94 | |             "┌{}┬{}┬{}┬{}┐",
Dec 18 15:11:43.788 INFO [stderr] 95 | |             "─".repeat(3 * 8 + 1),
Dec 18 15:11:43.788 INFO [stderr] ...  |
Dec 18 15:11:43.788 INFO [stderr] 98 | |             "─".repeat(8)
Dec 18 15:11:43.788 INFO [stderr] 99 | |         );
Dec 18 15:11:43.788 INFO [stderr]    | |__________^
Dec 18 15:11:43.788 INFO [stderr]    |
Dec 18 15:11:43.788 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 15:11:43.788 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:11:43.788 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 15:11:43.788 INFO [stderr] 
Dec 18 15:11:43.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:11:43.788 INFO [stderr]    --> src/main.rs:103:9
Dec 18 15:11:43.788 INFO [stderr]     |
Dec 18 15:11:43.788 INFO [stderr] 103 | /         writeln!(
Dec 18 15:11:43.788 INFO [stderr] 104 | |             self.stdout,
Dec 18 15:11:43.788 INFO [stderr] 105 | |             "└{}┴{}┴{}┴{}┘",
Dec 18 15:11:43.788 INFO [stderr] 106 | |             "─".repeat(3 * 8 + 1),
Dec 18 15:11:43.788 INFO [stderr] ...   |
Dec 18 15:11:43.788 INFO [stderr] 109 | |             "─".repeat(8)
Dec 18 15:11:43.788 INFO [stderr] 110 | |         );
Dec 18 15:11:43.788 INFO [stderr]     | |__________^
Dec 18 15:11:43.788 INFO [stderr]     |
Dec 18 15:11:43.788 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:11:43.788 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 15:11:43.788 INFO [stderr] 
Dec 18 15:11:43.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:11:43.789 INFO [stderr]    --> src/main.rs:115:13
Dec 18 15:11:43.789 INFO [stderr]     |
Dec 18 15:11:43.789 INFO [stderr] 115 |             write!(self.stdout, "│ ");
Dec 18 15:11:43.789 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:11:43.789 INFO [stderr]     |
Dec 18 15:11:43.789 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:11:43.789 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 15:11:43.789 INFO [stderr] 
Dec 18 15:11:43.789 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:11:43.789 INFO [stderr]    --> src/main.rs:159:17
Dec 18 15:11:43.789 INFO [stderr]     |
Dec 18 15:11:43.789 INFO [stderr] 159 |                 write!(self.stdout, "┊");
Dec 18 15:11:43.789 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:11:43.789 INFO [stderr]     |
Dec 18 15:11:43.789 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:11:43.789 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 15:11:43.789 INFO [stderr] 
Dec 18 15:11:43.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 18 15:11:44.106 INFO running `"docker" "inspect" "5378e5fb758b89da9251399b0f0439aa0749dfe5e828bfdab30464441c11c94b"`
Dec 18 15:11:44.194 INFO running `"docker" "rm" "-f" "5378e5fb758b89da9251399b0f0439aa0749dfe5e828bfdab30464441c11c94b"`
Dec 18 15:11:44.407 INFO [stdout] 5378e5fb758b89da9251399b0f0439aa0749dfe5e828bfdab30464441c11c94b