[INFO] crate mathematica-notebook-filter 0.2.2 is already in cache
[INFO] extracting crate mathematica-notebook-filter 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/mathematica-notebook-filter/0.2.2
[INFO] extracting crate mathematica-notebook-filter 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mathematica-notebook-filter/0.2.2
[INFO] validating manifest of mathematica-notebook-filter-0.2.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mathematica-notebook-filter-0.2.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/mathematica-notebook-filter/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mathematica-notebook-filter-0.2.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2801543eb6a5ef2bf45e673a5ba70c4d487d22140e3dffa44027d30a5c471eb9
[INFO] running `"docker" "start" "-a" "2801543eb6a5ef2bf45e673a5ba70c4d487d22140e3dffa44027d30a5c471eb9"`
[INFO] [stderr]    Compiling stderrlog v0.4.1
[INFO] [stderr]    Compiling mathematica-notebook-filter v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `"docker" "inspect" "2801543eb6a5ef2bf45e673a5ba70c4d487d22140e3dffa44027d30a5c471eb9"`
[INFO] running `"docker" "rm" "-f" "2801543eb6a5ef2bf45e673a5ba70c4d487d22140e3dffa44027d30a5c471eb9"`
[INFO] [stdout] 2801543eb6a5ef2bf45e673a5ba70c4d487d22140e3dffa44027d30a5c471eb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d88ff033458f8d5b77e95151b7d6add4c0b2f7e7650b32689f01e988cf06af21
[INFO] running `"docker" "start" "-a" "d88ff033458f8d5b77e95151b7d6add4c0b2f7e7650b32689f01e988cf06af21"`
[INFO] [stderr]    Compiling 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 2.49s
[INFO] running `"docker" "inspect" "d88ff033458f8d5b77e95151b7d6add4c0b2f7e7650b32689f01e988cf06af21"`
[INFO] running `"docker" "rm" "-f" "d88ff033458f8d5b77e95151b7d6add4c0b2f7e7650b32689f01e988cf06af21"`
[INFO] [stdout] d88ff033458f8d5b77e95151b7d6add4c0b2f7e7650b32689f01e988cf06af21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] cd5488c52f6481c8753f8da295ed11624418110f09fd8c76d6da00bfbae67074
[INFO] running `"docker" "start" "-a" "cd5488c52f6481c8753f8da295ed11624418110f09fd8c76d6da00bfbae67074"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mathematica_notebook_filter-60c3709765b5da7b
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test parser::header::test::content_type ... ok
[INFO] [stdout] test parser::notebook::test::notebook ... ok
[INFO] [stdout] test parser::header::test::beginning_notebook ... ok
[INFO] [stdout] test parser::cell_group_data::test::cell_group_data_start ... ok
[INFO] [stdout] test parser::notebook::test::notebook_start ... ok
[INFO] [stdout] test parser::cell_group_data::test::cell_group_data_end ... ok
[INFO] [stdout] test parser::notebook::test::notebook_end ... ok
[INFO] [stdout] test parser::cell_group_data::test::cell_group_data ... ok
[INFO] [stdout] test parser::cell::test::cell_list ... ok
[INFO] [stdout] test parser::cell::test::cell ... ok
[INFO] [stdout] test parser::utilities::test::load_function ... ok
[INFO] [stdout] test parser::utilities::test::load_rest_of_function ... ok
[INFO] [stdout] test parser::utilities::test::read_consume_output ... ok
[INFO] [stdout] test parser::whitespace::test::write ... ok
[INFO] [stdout] test parser::utilities::test::check_start ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cd5488c52f6481c8753f8da295ed11624418110f09fd8c76d6da00bfbae67074"`
[INFO] running `"docker" "rm" "-f" "cd5488c52f6481c8753f8da295ed11624418110f09fd8c76d6da00bfbae67074"`
[INFO] [stdout] cd5488c52f6481c8753f8da295ed11624418110f09fd8c76d6da00bfbae67074