[INFO] updating cached repository FreeMasen/mdbook-presentation-preprocessor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FreeMasen/mdbook-presentation-preprocessor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeMasen/mdbook-presentation-preprocessor" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/FreeMasen/mdbook-presentation-preprocessor"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/FreeMasen/mdbook-presentation-preprocessor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeMasen/mdbook-presentation-preprocessor" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/FreeMasen/mdbook-presentation-preprocessor"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/FreeMasen/mdbook-presentation-preprocessor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef3f97ed0b7542baa7f7368bb3055674ebed8656
[INFO] sha for GitHub repo FreeMasen/mdbook-presentation-preprocessor: ef3f97ed0b7542baa7f7368bb3055674ebed8656
[INFO] validating manifest of FreeMasen/mdbook-presentation-preprocessor on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FreeMasen/mdbook-presentation-preprocessor on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FreeMasen/mdbook-presentation-preprocessor
[INFO] finished frobbing FreeMasen/mdbook-presentation-preprocessor
[INFO] frobbed toml for FreeMasen/mdbook-presentation-preprocessor written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/FreeMasen/mdbook-presentation-preprocessor/Cargo.toml
[INFO] started frobbing FreeMasen/mdbook-presentation-preprocessor
[INFO] finished frobbing FreeMasen/mdbook-presentation-preprocessor
[INFO] frobbed toml for FreeMasen/mdbook-presentation-preprocessor written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/FreeMasen/mdbook-presentation-preprocessor/Cargo.toml
[INFO] crate FreeMasen/mdbook-presentation-preprocessor has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FreeMasen/mdbook-presentation-preprocessor against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/FreeMasen/mdbook-presentation-preprocessor:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 7813a56225f1f471f276bf04fefdc671fdd117e29549d823920d3d60fed2526a
[INFO] running `"docker" "start" "-a" "7813a56225f1f471f276bf04fefdc671fdd117e29549d823920d3d60fed2526a"`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling ws v0.7.9
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling toml-query v0.7.0
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling mount v0.4.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling staticfile v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]    Compiling handlebars v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling markup5ever v0.7.3
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.4
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling ammonia v1.2.0
[INFO] [stderr]    Compiling mdbook v0.2.2
[INFO] [stderr]    Compiling mdbook-presentation-preprocessor v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `"docker" "inspect" "7813a56225f1f471f276bf04fefdc671fdd117e29549d823920d3d60fed2526a"`
[INFO] running `"docker" "rm" "-f" "7813a56225f1f471f276bf04fefdc671fdd117e29549d823920d3d60fed2526a"`
[INFO] [stdout] 7813a56225f1f471f276bf04fefdc671fdd117e29549d823920d3d60fed2526a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/FreeMasen/mdbook-presentation-preprocessor:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c3c054df6a570b0526c3e42a478091eb31d1c4e0310dbf5c3e0a6ecc81d925b6
[INFO] running `"docker" "start" "-a" "c3c054df6a570b0526c3e42a478091eb31d1c4e0310dbf5c3e0a6ecc81d925b6"`
[INFO] [stderr]    Compiling mdbook-presentation-preprocessor v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `"docker" "inspect" "c3c054df6a570b0526c3e42a478091eb31d1c4e0310dbf5c3e0a6ecc81d925b6"`
[INFO] running `"docker" "rm" "-f" "c3c054df6a570b0526c3e42a478091eb31d1c4e0310dbf5c3e0a6ecc81d925b6"`
[INFO] [stdout] c3c054df6a570b0526c3e42a478091eb31d1c4e0310dbf5c3e0a6ecc81d925b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/FreeMasen/mdbook-presentation-preprocessor:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 6cc0198c4e90e801db6964405c120127e743b078915719d9e7fe97fd8364dbd1
[INFO] running `"docker" "start" "-a" "6cc0198c4e90e801db6964405c120127e743b078915719d9e7fe97fd8364dbd1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mdbook_presentation_preprocessor-5875dac12026596b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::empty_test ... ok
[INFO] [stdout] test test::basic_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::basic_test stdout ----
[INFO] [stdout] thread 'test::basic_test' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `"\n# Header\n- list\n- of\n- items\n\n\n<!--web-only-->\n\n# web only header\n- web\n- only\n- list\n\n<!--web-only-end-->\n\n\n<!--slides-only-->\n\n# presenting only header\n- presenting\n- only\n- list\n\n<!--slides-only-end-->\n\n"`,
[INFO] [stdout]  right: `"\n# Header\n- list\n- of\n- items\n\n<!--web-only-->\n# web only header\n- web\n- only\n- list\n<!--web-only-end-->\n<!--slides-only-->\n# presenting only header\n- presenting\n- only\n- list\n<!--slides-only-end-->\n"`', src/main.rs:174:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56350ca38433 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x56350ca3419b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x56350ca370b6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x56350ca36db7 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x56350ca377c0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x56350ca37341 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x56350ca3728e - std[698b411d1b74fcff]::panicking::begin_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:340
[INFO] [stdout]    7:     0x56350c9e6632 - mdbook_presentation_preprocessor[4c773ce85f7dda89]::test::basic_test
[INFO] [stdout]                                at src/main.rs:174
[INFO] [stdout]    8:     0x56350c9e63f9 - mdbook_presentation_preprocessor[4c773ce85f7dda89]::test::basic_test::{closure#0}
[INFO] [stdout]                                at src/main.rs:152
[INFO] [stdout]    9:     0x56350c9e6dad - <mdbook_presentation_preprocessor[4c773ce85f7dda89]::test::basic_test::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   10:     0x56350c9f2a2e - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   11:     0x56350ca3a959 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   12:     0x56350ca0cf17 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   13:     0x56350c9e82c4 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   14:     0x56350c9e7de4 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stdout]   15:     0x56350ca3a959 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   16:     0x56350c9f276c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   17:     0x56350ca3a10d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   18:     0x7f2f80ddd493 - start_thread
[INFO] [stdout]   19:     0x7f2f80908ace - __clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::basic_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin mdbook-presentation-preprocessor'
[INFO] running `"docker" "inspect" "6cc0198c4e90e801db6964405c120127e743b078915719d9e7fe97fd8364dbd1"`
[INFO] running `"docker" "rm" "-f" "6cc0198c4e90e801db6964405c120127e743b078915719d9e7fe97fd8364dbd1"`
[INFO] [stdout] 6cc0198c4e90e801db6964405c120127e743b078915719d9e7fe97fd8364dbd1