[INFO] updating cached repository ryskit/rust_csv_read_write
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ryskit/rust_csv_read_write
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ryskit/rust_csv_read_write" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ryskit/rust_csv_read_write"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ryskit/rust_csv_read_write'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ryskit/rust_csv_read_write" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ryskit/rust_csv_read_write"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ryskit/rust_csv_read_write'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e88b61a7c0554a0281adbe4a56e1a6b0474d9a59
[INFO] sha for GitHub repo ryskit/rust_csv_read_write: e88b61a7c0554a0281adbe4a56e1a6b0474d9a59
[INFO] validating manifest of ryskit/rust_csv_read_write on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ryskit/rust_csv_read_write on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ryskit/rust_csv_read_write
[INFO] finished frobbing ryskit/rust_csv_read_write
[INFO] frobbed toml for ryskit/rust_csv_read_write written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ryskit/rust_csv_read_write/Cargo.toml
[INFO] started frobbing ryskit/rust_csv_read_write
[INFO] finished frobbing ryskit/rust_csv_read_write
[INFO] frobbed toml for ryskit/rust_csv_read_write written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ryskit/rust_csv_read_write/Cargo.toml
[INFO] crate ryskit/rust_csv_read_write already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ryskit/rust_csv_read_write against try#06a150c7d11500b41499224f165e9de1de096768 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-6/try#06a150c7d11500b41499224f165e9de1de096768:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ryskit/rust_csv_read_write:/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" "+06a150c7d11500b41499224f165e9de1de096768-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d40afe70d9ed1cc3f95221d487ccb49b8481c3c5acbec22ac98a71c9cd81da08
[INFO] running `"docker" "start" "-a" "d40afe70d9ed1cc3f95221d487ccb49b8481c3c5acbec22ac98a71c9cd81da08"`
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking rust_csv_read_write v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     write(&mut rdr);
[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/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         wtr.write_record(record.get(0));
[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/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     write(&mut rdr);
[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/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         wtr.write_record(record.get(0));
[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 3.25s
[INFO] running `"docker" "inspect" "d40afe70d9ed1cc3f95221d487ccb49b8481c3c5acbec22ac98a71c9cd81da08"`
[INFO] running `"docker" "rm" "-f" "d40afe70d9ed1cc3f95221d487ccb49b8481c3c5acbec22ac98a71c9cd81da08"`
[INFO] [stdout] d40afe70d9ed1cc3f95221d487ccb49b8481c3c5acbec22ac98a71c9cd81da08