[INFO] crate uhttp_sse 0.5.1 is already in cache
[INFO] extracting crate uhttp_sse 0.5.1 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/uhttp_sse/0.5.1
[INFO] extracting crate uhttp_sse 0.5.1 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/uhttp_sse/0.5.1
[INFO] validating manifest of uhttp_sse-0.5.1 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of uhttp_sse-0.5.1 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing uhttp_sse-0.5.1
[INFO] finished frobbing uhttp_sse-0.5.1
[INFO] frobbed toml for uhttp_sse-0.5.1 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/uhttp_sse/0.5.1/Cargo.toml
[INFO] started frobbing uhttp_sse-0.5.1
[INFO] finished frobbing uhttp_sse-0.5.1
[INFO] frobbed toml for uhttp_sse-0.5.1 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/uhttp_sse/0.5.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking uhttp_sse-0.5.1 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-3/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/uhttp_sse/0.5.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 07db5597b8b6af5ff3ca149f5ed0719a4c604cb4f80681dc70cab5bacc753143
[INFO] running `"docker" "start" "-a" "07db5597b8b6af5ff3ca149f5ed0719a4c604cb4f80681dc70cab5bacc753143"`
[INFO] [stderr]     Checking uhttp_sse v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/lib.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         self.finish().is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/lib.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         self.0.flush().is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:123:26
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn drop(&mut self) { self.0.write(b"\n").is_ok(); }
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/lib.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         self.finish().is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/lib.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         self.0.flush().is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:123:26
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn drop(&mut self) { self.0.write(b"\n").is_ok(); }
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "07db5597b8b6af5ff3ca149f5ed0719a4c604cb4f80681dc70cab5bacc753143"`
[INFO] running `"docker" "rm" "-f" "07db5597b8b6af5ff3ca149f5ed0719a4c604cb4f80681dc70cab5bacc753143"`
[INFO] [stdout] 07db5597b8b6af5ff3ca149f5ed0719a4c604cb4f80681dc70cab5bacc753143