[INFO] updating cached repository krishnakumar4a4/casync-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krishnakumar4a4/casync-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krishnakumar4a4/casync-rs" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/krishnakumar4a4/casync-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/krishnakumar4a4/casync-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krishnakumar4a4/casync-rs" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/krishnakumar4a4/casync-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/krishnakumar4a4/casync-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2e2f94b29546e91c9ff737016e9384c2592b434
[INFO] sha for GitHub repo krishnakumar4a4/casync-rs: c2e2f94b29546e91c9ff737016e9384c2592b434
[INFO] validating manifest of krishnakumar4a4/casync-rs on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of krishnakumar4a4/casync-rs on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing krishnakumar4a4/casync-rs
[INFO] finished frobbing krishnakumar4a4/casync-rs
[INFO] frobbed toml for krishnakumar4a4/casync-rs written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/krishnakumar4a4/casync-rs/Cargo.toml
[INFO] started frobbing krishnakumar4a4/casync-rs
[INFO] finished frobbing krishnakumar4a4/casync-rs
[INFO] frobbed toml for krishnakumar4a4/casync-rs written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/krishnakumar4a4/casync-rs/Cargo.toml
[INFO] crate krishnakumar4a4/casync-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking krishnakumar4a4/casync-rs against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-2/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/krishnakumar4a4/casync-rs:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3741ac52203b140886635a31f46726950de5d9894fef8d7600d779b3bb70fab9
[INFO] running `"docker" "start" "-a" "3741ac52203b140886635a31f46726950de5d9894fef8d7600d779b3bb70fab9"`
[INFO] [stderr]     Checking fmt-extra v0.1.2
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking hash-roll v0.2.0
[INFO] [stderr]    Compiling blob v0.2.0
[INFO] [stderr]    Compiling zstd-sys v1.4.4+zstd.1.3.5
[INFO] [stderr]     Checking zstd-safe v1.4.4+zstd.1.3.5
[INFO] [stderr]     Checking zstd v0.4.19+zstd.1.3.5
[INFO] [stderr]     Checking casync-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chunker/mod.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     chunk_index_file.write_all(&chunk_hash_bytes);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/chunker/mod.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     chunk_index_file.write_all(&chunk_size);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/chunker/mod.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     io::copy(&mut data.as_slices().0, &mut encoder);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/chunker/mod.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     encoder.finish();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/assembler/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         io::copy(&mut decoder, &mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/assembler/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         output_file_for_extraction.write_all(&buffer[..]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chunker/mod.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     chunk_index_file.write_all(&chunk_hash_bytes);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/chunker/mod.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     chunk_index_file.write_all(&chunk_size);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/chunker/mod.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     io::copy(&mut data.as_slices().0, &mut encoder);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/chunker/mod.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     encoder.finish();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/assembler/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         io::copy(&mut decoder, &mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/assembler/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         output_file_for_extraction.write_all(&buffer[..]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.60s
[INFO] running `"docker" "inspect" "3741ac52203b140886635a31f46726950de5d9894fef8d7600d779b3bb70fab9"`
[INFO] running `"docker" "rm" "-f" "3741ac52203b140886635a31f46726950de5d9894fef8d7600d779b3bb70fab9"`
[INFO] [stdout] 3741ac52203b140886635a31f46726950de5d9894fef8d7600d779b3bb70fab9