Dec 17 22:44:19.409 INFO checking jD91mZM2/termwm against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:44:19.409 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/jD91mZM2/termwm:/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 22:44:19.916 INFO [stdout] 59bab4b5aad4bec4ee0cff5114a994cac577ad540df3c3c46e466ba5ddbfd15c
Dec 17 22:44:19.918 INFO running `"docker" "start" "-a" "59bab4b5aad4bec4ee0cff5114a994cac577ad540df3c3c46e466ba5ddbfd15c"`
Dec 17 22:44:21.620 INFO [stderr]     Checking pseudoterm v0.1.1
Dec 17 22:44:21.620 INFO [stderr]     Checking vte v0.3.3
Dec 17 22:44:21.640 INFO [stderr]     Checking mio v0.6.16
Dec 17 22:44:21.652 INFO [stderr]    Compiling synstructure v0.10.0
Dec 17 22:44:22.588 INFO [stderr]     Checking ransid v0.4.6
Dec 17 22:44:26.265 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 17 22:44:28.176 INFO [stderr]     Checking failure v0.1.3
Dec 17 22:44:28.632 INFO [stderr]     Checking termwm v0.1.0 (/opt/crater/workdir)
Dec 17 22:44:29.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:44:29.869 INFO [stderr]    --> src/buffer.rs:130:13
Dec 17 22:44:29.869 INFO [stderr]     |
Dec 17 22:44:29.870 INFO [stderr] 130 |             write!(w, "\x1b[{};{}H", y+1, x+1);
Dec 17 22:44:29.870 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:44:29.870 INFO [stderr]     |
Dec 17 22:44:29.870 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 22:44:29.870 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:44:29.870 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 22:44:29.870 INFO [stderr] 
Dec 17 22:44:29.987 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:44:29.987 INFO [stderr]    --> src/buffer.rs:130:13
Dec 17 22:44:29.987 INFO [stderr]     |
Dec 17 22:44:29.987 INFO [stderr] 130 |             write!(w, "\x1b[{};{}H", y+1, x+1);
Dec 17 22:44:29.987 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:44:29.987 INFO [stderr]     |
Dec 17 22:44:29.987 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 22:44:29.987 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:44:29.987 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 22:44:29.987 INFO [stderr] 
Dec 17 22:44:30.062 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.57s
Dec 17 22:44:31.095 INFO running `"docker" "inspect" "59bab4b5aad4bec4ee0cff5114a994cac577ad540df3c3c46e466ba5ddbfd15c"`
Dec 17 22:44:31.356 INFO running `"docker" "rm" "-f" "59bab4b5aad4bec4ee0cff5114a994cac577ad540df3c3c46e466ba5ddbfd15c"`
Dec 17 22:44:31.667 INFO [stdout] 59bab4b5aad4bec4ee0cff5114a994cac577ad540df3c3c46e466ba5ddbfd15c