[INFO] crate mathematica-notebook-filter 0.2.2 is already in cache
[INFO] extracting crate mathematica-notebook-filter 0.2.2 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/mathematica-notebook-filter/0.2.2
[INFO] extracting crate mathematica-notebook-filter 0.2.2 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/mathematica-notebook-filter/0.2.2
[INFO] validating manifest of mathematica-notebook-filter-0.2.2 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mathematica-notebook-filter-0.2.2 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mathematica-notebook-filter-0.2.2
[INFO] finished frobbing mathematica-notebook-filter-0.2.2
[INFO] frobbed toml for mathematica-notebook-filter-0.2.2 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/mathematica-notebook-filter/0.2.2/Cargo.toml
[INFO] started frobbing mathematica-notebook-filter-0.2.2
[INFO] finished frobbing mathematica-notebook-filter-0.2.2
[INFO] frobbed toml for mathematica-notebook-filter-0.2.2 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/mathematica-notebook-filter/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mathematica-notebook-filter-0.2.2 against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-1/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/mathematica-notebook-filter/0.2.2:/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" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dfc9f96dc3d3bc0cf29cf9ae449643ec2e915c236f2c1364bffa1781974e5da4
[INFO] running `"docker" "start" "-a" "dfc9f96dc3d3bc0cf29cf9ae449643ec2e915c236f2c1364bffa1781974e5da4"`
[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 1.76s
[INFO] running `"docker" "inspect" "dfc9f96dc3d3bc0cf29cf9ae449643ec2e915c236f2c1364bffa1781974e5da4"`
[INFO] running `"docker" "rm" "-f" "dfc9f96dc3d3bc0cf29cf9ae449643ec2e915c236f2c1364bffa1781974e5da4"`
[INFO] [stdout] dfc9f96dc3d3bc0cf29cf9ae449643ec2e915c236f2c1364bffa1781974e5da4