Dec 18 09:43:57.115 INFO checking unifont-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:43:57.115 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/unifont/0.1.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:43:57.260 INFO [stdout] c79e295b2940c9533e8d1448866432e5f1c5edca9814c55324b4ee1ac45e061f
Dec 18 09:43:57.261 INFO running `"docker" "start" "-a" "c79e295b2940c9533e8d1448866432e5f1c5edca9814c55324b4ee1ac45e061f"`
Dec 18 09:43:57.928 INFO [stderr]    Compiling unifont v0.1.0 (/opt/crater/workdir)
Dec 18 09:43:58.193 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:43:58.193 INFO [stderr]   --> build.rs:42:5
Dec 18 09:43:58.193 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr] 42 |     writeln!(output_file, "static CODE_POINT_RANGES: [(usize, usize); {}] = [", ranges.len());
Dec 18 09:43:58.194 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 09:43:58.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:43:58.194 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 09:43:58.194 INFO [stderr] 
Dec 18 09:43:58.194 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:43:58.194 INFO [stderr]   --> build.rs:44:9
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr] 44 |         writeln!(output_file, "    ({}, {}),", start, end);
Dec 18 09:43:58.194 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:43:58.194 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 09:43:58.194 INFO [stderr] 
Dec 18 09:43:58.194 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:43:58.194 INFO [stderr]   --> build.rs:46:5
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr] 46 |     writeln!(output_file, "];");
Dec 18 09:43:58.194 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:43:58.194 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 09:43:58.194 INFO [stderr] 
Dec 18 09:43:58.194 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:43:58.194 INFO [stderr]   --> build.rs:48:5
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr] 48 |     writeln!(output_file, "static GLYPH_TABLE: [Glyph; {}] = [", glyph_map.len());
Dec 18 09:43:58.194 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:43:58.194 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 09:43:58.194 INFO [stderr] 
Dec 18 09:43:58.194 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:43:58.194 INFO [stderr]   --> build.rs:60:17
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr] 60 |                 writeln!(output_file, "    Glyph::HalfWidth([{}]),", u8s.join(", "));
Dec 18 09:43:58.194 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:43:58.194 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 09:43:58.194 INFO [stderr] 
Dec 18 09:43:58.194 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:43:58.194 INFO [stderr]   --> build.rs:70:17
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr] 70 |                 writeln!(output_file, "    Glyph::FullWidth([{}]),", u16s.join(", "));
Dec 18 09:43:58.194 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:43:58.194 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 09:43:58.194 INFO [stderr] 
Dec 18 09:43:58.194 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:43:58.194 INFO [stderr]   --> build.rs:73:17
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr] 73 |                 writeln!(output_file, "ERROR: invalid glyph data: {}", data);
Dec 18 09:43:58.194 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:43:58.194 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 09:43:58.194 INFO [stderr] 
Dec 18 09:43:58.194 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:43:58.194 INFO [stderr]   --> build.rs:77:5
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr] 77 |     writeln!(output_file, "];");
Dec 18 09:43:58.194 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:43:58.194 INFO [stderr]    |
Dec 18 09:43:58.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:43:58.194 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 09:43:58.194 INFO [stderr] 
Dec 18 09:44:12.374 INFO [stderr] error: Could not compile `unifont`.
Dec 18 09:44:12.374 INFO [stderr] 
Dec 18 09:44:12.374 INFO [stderr] Caused by:
Dec 18 09:44:12.374 INFO [stderr]   process didn't exit successfully: `rustc --crate-name unifont src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=46815eb69d8faf23 -C extra-filename=-46815eb69d8faf23 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --cap-lints=forbid` (signal: 9, SIGKILL: kill)
Dec 18 09:44:12.374 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 09:44:17.285 INFO [stderr] warning: function is never used: `vec_of_strings`
Dec 18 09:44:17.285 INFO [stderr]   --> src/testutil.rs:62:1
Dec 18 09:44:17.285 INFO [stderr]    |
Dec 18 09:44:17.285 INFO [stderr] 62 | fn vec_of_strings(s: [&str; 16]) -> Vec<String> {
Dec 18 09:44:17.285 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:44:17.285 INFO [stderr]    |
Dec 18 09:44:17.285 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 09:44:17.285 INFO [stderr] 
Dec 18 09:44:19.727 INFO [stderr] error: build failed
Dec 18 09:44:20.564 INFO running `"docker" "inspect" "c79e295b2940c9533e8d1448866432e5f1c5edca9814c55324b4ee1ac45e061f"`
Dec 18 09:44:20.646 INFO running `"docker" "rm" "-f" "c79e295b2940c9533e8d1448866432e5f1c5edca9814c55324b4ee1ac45e061f"`
Dec 18 09:44:20.756 INFO [stdout] c79e295b2940c9533e8d1448866432e5f1c5edca9814c55324b4ee1ac45e061f