[INFO] fetching crate mkv-element 0.3.1...
[INFO] testing mkv-element-0.3.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mkv-element 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mkv-element 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mkv-element 0.3.1
[INFO] tweaked toml for crates.io crate mkv-element 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkv-element 0.3.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mkv-element 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 791e63358ad35b0a52174342614edcb677b0ad43e4c791f13206a60927ceba03
[INFO] running `Command { std: "docker" "start" "-a" "791e63358ad35b0a52174342614edcb677b0ad43e4c791f13206a60927ceba03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "791e63358ad35b0a52174342614edcb677b0ad43e4c791f13206a60927ceba03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791e63358ad35b0a52174342614edcb677b0ad43e4c791f13206a60927ceba03", kill_on_drop: false }`
[INFO] [stdout] 791e63358ad35b0a52174342614edcb677b0ad43e4c791f13206a60927ceba03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 829881375f8dff685bef4227036f7ffd3102e58dca2c5797196f98a347e32416
[INFO] running `Command { std: "docker" "start" "-a" "829881375f8dff685bef4227036f7ffd3102e58dca2c5797196f98a347e32416", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling roxmltree v0.21.0
[INFO] [stderr]    Compiling hexf v0.2.1
[INFO] [stderr]    Compiling mkv-element v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.16s
[INFO] running `Command { std: "docker" "inspect" "829881375f8dff685bef4227036f7ffd3102e58dca2c5797196f98a347e32416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829881375f8dff685bef4227036f7ffd3102e58dca2c5797196f98a347e32416", kill_on_drop: false }`
[INFO] [stdout] 829881375f8dff685bef4227036f7ffd3102e58dca2c5797196f98a347e32416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cdbb100e7cb9ab1a22e8bf476450665b08edb26368c68357892256a13bbdd02
[INFO] running `Command { std: "docker" "start" "-a" "9cdbb100e7cb9ab1a22e8bf476450665b08edb26368c68357892256a13bbdd02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling roxmltree v0.21.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling mkv-element v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 32.93s
[INFO] running `Command { std: "docker" "inspect" "9cdbb100e7cb9ab1a22e8bf476450665b08edb26368c68357892256a13bbdd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cdbb100e7cb9ab1a22e8bf476450665b08edb26368c68357892256a13bbdd02", kill_on_drop: false }`
[INFO] [stdout] 9cdbb100e7cb9ab1a22e8bf476450665b08edb26368c68357892256a13bbdd02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf535a8d148c20b20dc9910419b48ff7a5b82f6d9eb8e9e372d093de6923c735
[INFO] running `Command { std: "docker" "start" "-a" "cf535a8d148c20b20dc9910419b48ff7a5b82f6d9eb8e9e372d093de6923c735", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mkv_element-4ac4f791c724696c)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test base::tests::test_decode ... ok
[INFO] [stdout] test base::tests::test_encode_size ... ok
[INFO] [stdout] test base::tests::test_unknown ... ok
[INFO] [stdout] test lacer::lacer_tests::test_ebml_lacing ... ok
[INFO] [stdout] test base::tests::test_encode ... ok
[INFO] [stdout] test lacer::lacer_tests::test_fixed_size_lacing ... ok
[INFO] [stdout] test leaf::bin::tests::test_bin ... ok
[INFO] [stdout] test leaf::date::tests::test_date ... ok
[INFO] [stdout] test leaf::sint::tests::test_sint ... ok
[INFO] [stdout] test leaf::float::tests::test_float ... ok
[INFO] [stdout] test lacer::lacer_tests::test_xiph_lacing ... ok
[INFO] [stdout] test leaf::uint::tests::test_uint ... ok
[INFO] [stderr]      Running tests/ebml.rs (/opt/rustwide/target/debug/deps/ebml-0db1d536cf862df7)
[INFO] [stdout] test leaf::text::tests::test_text ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test read_ebml ... ok
[INFO] [stdout] test write_ebml ... ok
[INFO] [stderr]      Running tests/ietf-mkv-test-cases.rs (/opt/rustwide/target/debug/deps/ietf_mkv_test_cases-68fce1995b348d81)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/view_integration.rs (/opt/rustwide/target/debug/deps/view_integration-da9cd4d15e02b757)
[INFO] [stdout] running 8 tests
[INFO] [stderr]    Doc-tests mkv_element
[INFO] [stdout] test ietf_test_1 ... ignored, this test requires the matroska-test-files submodule
[INFO] [stdout] test ietf_test_2 ... ignored, this test requires the matroska-test-files submodule
[INFO] [stdout] test ietf_test_3 ... ignored, this test requires the matroska-test-files submodule
[INFO] [stdout] test ietf_test_4 ... ignored, this test requires the matroska-test-files submodule
[INFO] [stdout] test ietf_test_5 ... ignored, this test requires the matroska-test-files submodule
[INFO] [stdout] test ietf_test_6 ... ignored, this test requires the matroska-test-files submodule
[INFO] [stdout] test ietf_test_7 ... ignored, this test requires the matroska-test-files submodule
[INFO] [stdout] test ietf_test_8 ... ignored, this test requires the matroska-test-files submodule
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 8 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/../README.md - (line 135) ... FAILED
[INFO] [stdout] test src/../README.md - (line 99) ... FAILED
[INFO] [stdout] test src/../README.md - (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 135) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `mkv_element::view`
[INFO] [stdout]   --> src/../README.md:139:18
[INFO] [stdout]    |
[INFO] [stdout]  7 | use mkv_element::view::MatroskaView;
[INFO] [stdout]    |                  ^^^^ could not find `view` in `mkv_element`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg(feature = "utils")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `utils` feature
[INFO] [stdout] 19 | #[cfg_attr(docsrs, doc(cfg(feature = "utils")))]
[INFO] [stdout] 20 | pub mod view;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 99) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `mkv_element::io::tokio_impl`
[INFO] [stdout]  --> src/../README.md:103:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mkv_element::io::tokio_impl::*;
[INFO] [stdout]   |                      ^^^^^^^^^^ could not find `tokio_impl` in `io`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `async_write_to` found for struct `mkv_element::prelude::Ebml` in the current scope
[INFO] [stdout]   --> src/../README.md:117:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | ebml.async_write_to(&mut buffer).await.unwrap();
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write_to` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 21 - ebml.async_write_to(&mut buffer).await.unwrap();
[INFO] [stdout] 21 + ebml.write_to(&mut buffer).await.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/../README.md:117:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | ebml.async_write_to(&mut buffer).await.unwrap();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `async_read_from` found for struct `mkv_element::prelude::Ebml` in the current scope
[INFO] [stdout]   --> src/../README.md:120:20
[INFO] [stdout]    |
[INFO] [stdout] 24 | let parsed = Ebml::async_read_from(&mut &buffer[..]).await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ function or associated item not found in `mkv_element::prelude::Ebml`
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `read_from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 24 - let parsed = Ebml::async_read_from(&mut &buffer[..]).await.unwrap();
[INFO] [stdout] 24 + let parsed = Ebml::read_from(&mut &buffer[..]).await.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/../README.md:120:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | let parsed = Ebml::async_read_from(&mut &buffer[..]).await.unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `async_read_from` found for struct `mkv_element::prelude::Header` in the current scope
[INFO] [stdout]   --> src/../README.md:125:22
[INFO] [stdout]    |
[INFO] [stdout] 29 | let header = Header::async_read_from(&mut cursor).await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^ function or associated item not found in `mkv_element::prelude::Header`
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `read_from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 29 - let header = Header::async_read_from(&mut cursor).await.unwrap();
[INFO] [stdout] 29 + let header = Header::read_from(&mut cursor).await.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/../README.md:125:14
[INFO] [stdout]    |
[INFO] [stdout] 29 | let header = Header::async_read_from(&mut cursor).await.unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `async_read_element` found for struct `mkv_element::prelude::Ebml` in the current scope
[INFO] [stdout]   --> src/../README.md:127:20
[INFO] [stdout]    |
[INFO] [stdout] 31 | let parsed = Ebml::async_read_element(&header, &mut cursor).await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ function or associated item not found in `mkv_element::prelude::Ebml`
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `read_element` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 31 - let parsed = Ebml::async_read_element(&header, &mut cursor).await.unwrap();
[INFO] [stdout] 31 + let parsed = Ebml::read_element(&header, &mut cursor).await.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/../README.md:127:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | let parsed = Ebml::async_read_element(&header, &mut cursor).await.unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 135)
[INFO] [stdout]     src/../README.md - (line 99)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.02s; merged doctests compilation took 0.27s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "cf535a8d148c20b20dc9910419b48ff7a5b82f6d9eb8e9e372d093de6923c735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf535a8d148c20b20dc9910419b48ff7a5b82f6d9eb8e9e372d093de6923c735", kill_on_drop: false }`
[INFO] [stdout] cf535a8d148c20b20dc9910419b48ff7a5b82f6d9eb8e9e372d093de6923c735
