Dec 18 05:16:28.673 INFO checking Tau5/legend against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:16:28.674 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/gh/Tau5/legend:/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 05:16:29.104 INFO [stdout] 4d726e6384d4cd10ee0998ddb2aca84a0d3bcb47fa328ae4c0da270206e36526
Dec 18 05:16:29.108 INFO running `"docker" "start" "-a" "4d726e6384d4cd10ee0998ddb2aca84a0d3bcb47fa328ae4c0da270206e36526"`
Dec 18 05:16:30.608 INFO [stderr]    Compiling ears v0.5.1
Dec 18 05:16:30.626 INFO [stderr]    Compiling syn v0.15.8
Dec 18 05:16:30.626 INFO [stderr]     Checking pancurses v0.16.0
Dec 18 05:16:41.897 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 18 05:16:54.736 INFO [stderr]     Checking legend v0.1.0 (/opt/crater/workdir)
Dec 18 05:16:56.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:16:56.116 INFO [stderr]    --> src/main.rs:329:21
Dec 18 05:16:56.116 INFO [stderr]     |
Dec 18 05:16:56.116 INFO [stderr] 329 |                     write!(writer, "{}", save_str);
Dec 18 05:16:56.116 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:16:56.116 INFO [stderr]     |
Dec 18 05:16:56.116 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 05:16:56.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:16:56.116 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 05:16:56.116 INFO [stderr] 
Dec 18 05:16:56.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:16:56.116 INFO [stderr]    --> src/main.rs:335:21
Dec 18 05:16:56.116 INFO [stderr]     |
Dec 18 05:16:56.116 INFO [stderr] 335 |                     write!(writer, "{}", save_str);
Dec 18 05:16:56.116 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:16:56.116 INFO [stderr]     |
Dec 18 05:16:56.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:16:56.116 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 05:16:56.116 INFO [stderr] 
Dec 18 05:16:56.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:16:56.116 INFO [stderr]    --> src/main.rs:362:21
Dec 18 05:16:56.116 INFO [stderr]     |
Dec 18 05:16:56.116 INFO [stderr] 362 |                     write!(writer, "{}", save_str);
Dec 18 05:16:56.116 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:16:56.116 INFO [stderr]     |
Dec 18 05:16:56.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:16:56.116 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 05:16:56.116 INFO [stderr] 
Dec 18 05:16:56.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:16:56.116 INFO [stderr]    --> src/main.rs:368:21
Dec 18 05:16:56.116 INFO [stderr]     |
Dec 18 05:16:56.116 INFO [stderr] 368 |                     write!(writer, "{}", save_str);
Dec 18 05:16:56.116 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:16:56.116 INFO [stderr]     |
Dec 18 05:16:56.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:16:56.116 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 05:16:56.116 INFO [stderr] 
Dec 18 05:16:56.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:16:56.472 INFO [stderr]    --> src/main.rs:329:21
Dec 18 05:16:56.472 INFO [stderr]     |
Dec 18 05:16:56.472 INFO [stderr] 329 |                     write!(writer, "{}", save_str);
Dec 18 05:16:56.472 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:16:56.472 INFO [stderr]     |
Dec 18 05:16:56.472 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 05:16:56.472 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:16:56.472 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 05:16:56.472 INFO [stderr] 
Dec 18 05:16:56.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:16:56.472 INFO [stderr]    --> src/main.rs:335:21
Dec 18 05:16:56.472 INFO [stderr]     |
Dec 18 05:16:56.472 INFO [stderr] 335 |                     write!(writer, "{}", save_str);
Dec 18 05:16:56.473 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:16:56.473 INFO [stderr]     |
Dec 18 05:16:56.473 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:16:56.473 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 05:16:56.473 INFO [stderr] 
Dec 18 05:16:56.473 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:16:56.473 INFO [stderr]    --> src/main.rs:362:21
Dec 18 05:16:56.473 INFO [stderr]     |
Dec 18 05:16:56.473 INFO [stderr] 362 |                     write!(writer, "{}", save_str);
Dec 18 05:16:56.473 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:16:56.473 INFO [stderr]     |
Dec 18 05:16:56.473 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:16:56.473 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 05:16:56.473 INFO [stderr] 
Dec 18 05:16:56.473 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:16:56.473 INFO [stderr]    --> src/main.rs:368:21
Dec 18 05:16:56.473 INFO [stderr]     |
Dec 18 05:16:56.473 INFO [stderr] 368 |                     write!(writer, "{}", save_str);
Dec 18 05:16:56.473 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:16:56.473 INFO [stderr]     |
Dec 18 05:16:56.473 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:16:56.473 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 05:16:56.473 INFO [stderr] 
Dec 18 05:16:56.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.06s
Dec 18 05:16:58.006 INFO running `"docker" "inspect" "4d726e6384d4cd10ee0998ddb2aca84a0d3bcb47fa328ae4c0da270206e36526"`
Dec 18 05:16:58.410 INFO running `"docker" "rm" "-f" "4d726e6384d4cd10ee0998ddb2aca84a0d3bcb47fa328ae4c0da270206e36526"`
Dec 18 05:16:58.756 INFO [stdout] 4d726e6384d4cd10ee0998ddb2aca84a0d3bcb47fa328ae4c0da270206e36526