[INFO] updating cached repository JP-Ellis/mathematica-notebook-filter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JP-Ellis/mathematica-notebook-filter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JP-Ellis/mathematica-notebook-filter" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/JP-Ellis/mathematica-notebook-filter"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/JP-Ellis/mathematica-notebook-filter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JP-Ellis/mathematica-notebook-filter" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/JP-Ellis/mathematica-notebook-filter"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/JP-Ellis/mathematica-notebook-filter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2ad4960a972f90ed2d217d2ff637724fa70dd5d
[INFO] sha for GitHub repo JP-Ellis/mathematica-notebook-filter: f2ad4960a972f90ed2d217d2ff637724fa70dd5d
[INFO] validating manifest of JP-Ellis/mathematica-notebook-filter 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 JP-Ellis/mathematica-notebook-filter 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 JP-Ellis/mathematica-notebook-filter
[INFO] finished frobbing JP-Ellis/mathematica-notebook-filter
[INFO] frobbed toml for JP-Ellis/mathematica-notebook-filter written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/JP-Ellis/mathematica-notebook-filter/Cargo.toml
[INFO] started frobbing JP-Ellis/mathematica-notebook-filter
[INFO] finished frobbing JP-Ellis/mathematica-notebook-filter
[INFO] frobbed toml for JP-Ellis/mathematica-notebook-filter written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/JP-Ellis/mathematica-notebook-filter/Cargo.toml
[INFO] crate JP-Ellis/mathematica-notebook-filter 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 JP-Ellis/mathematica-notebook-filter against try#06a150c7d11500b41499224f165e9de1de096768 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-5/try#06a150c7d11500b41499224f165e9de1de096768:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/JP-Ellis/mathematica-notebook-filter:/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] 24bfd51f803ac3effabf709f95ed3b128735487b7bdf2d5295349a008e0292f5
[INFO] running `"docker" "start" "-a" "24bfd51f803ac3effabf709f95ed3b128735487b7bdf2d5295349a008e0292f5"`
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking mathematica-notebook-filter v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/parser/whitespace.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |             wc.write_all(input).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/parser/whitespace.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             wc.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/parser/whitespace.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |             wc.write_all(input.as_bytes()).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/parser/whitespace.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             wc.flush().is_ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "24bfd51f803ac3effabf709f95ed3b128735487b7bdf2d5295349a008e0292f5"`
[INFO] running `"docker" "rm" "-f" "24bfd51f803ac3effabf709f95ed3b128735487b7bdf2d5295349a008e0292f5"`
[INFO] [stdout] 24bfd51f803ac3effabf709f95ed3b128735487b7bdf2d5295349a008e0292f5