[INFO] fetching crate mkv-element 0.2.0...
[INFO] testing mkv-element-0.2.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate mkv-element 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mkv-element 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mkv-element 0.2.0
[INFO] tweaked toml for crates.io crate mkv-element 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkv-element 0.2.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mkv-element 0.2.0 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c095416d3eb1a7c979a3bf1b8185db1767a6de659ff0afb7c85d57086c439793
[INFO] running `Command { std: "docker" "start" "-a" "c095416d3eb1a7c979a3bf1b8185db1767a6de659ff0afb7c85d57086c439793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c095416d3eb1a7c979a3bf1b8185db1767a6de659ff0afb7c85d57086c439793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c095416d3eb1a7c979a3bf1b8185db1767a6de659ff0afb7c85d57086c439793", kill_on_drop: false }`
[INFO] [stdout] c095416d3eb1a7c979a3bf1b8185db1767a6de659ff0afb7c85d57086c439793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b503e21c62f7490dd81b9c21812319800568b752e4f8def6bfac7ab4bff44c30
[INFO] running `Command { std: "docker" "start" "-a" "b503e21c62f7490dd81b9c21812319800568b752e4f8def6bfac7ab4bff44c30", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling hexf v0.2.1
[INFO] [stderr]    Compiling mkv-element v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.15s
[INFO] running `Command { std: "docker" "inspect" "b503e21c62f7490dd81b9c21812319800568b752e4f8def6bfac7ab4bff44c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b503e21c62f7490dd81b9c21812319800568b752e4f8def6bfac7ab4bff44c30", kill_on_drop: false }`
[INFO] [stdout] b503e21c62f7490dd81b9c21812319800568b752e4f8def6bfac7ab4bff44c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87655d1786bca8b417671997d02b618c831a5226aaee6d6f5894c448a2da29b
[INFO] running `Command { std: "docker" "start" "-a" "e87655d1786bca8b417671997d02b618c831a5226aaee6d6f5894c448a2da29b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling mkv-element v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio v1.47.1
[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 48.75s
[INFO] running `Command { std: "docker" "inspect" "e87655d1786bca8b417671997d02b618c831a5226aaee6d6f5894c448a2da29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87655d1786bca8b417671997d02b618c831a5226aaee6d6f5894c448a2da29b", kill_on_drop: false }`
[INFO] [stdout] e87655d1786bca8b417671997d02b618c831a5226aaee6d6f5894c448a2da29b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65a3ed4821cf4215a740dd2fd93ed1c800a445f22ed0c073aec0d1fa752bd21c
[INFO] running `Command { std: "docker" "start" "-a" "65a3ed4821cf4215a740dd2fd93ed1c800a445f22ed0c073aec0d1fa752bd21c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mkv_element-52c51d12320ce062)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test base::tests::test_encode_size ... ok
[INFO] [stdout] test lacer::lacer_tests::test_fixed_size_lacing ... ok
[INFO] [stdout] test lacer::lacer_tests::test_xiph_lacing ... ok
[INFO] [stdout] test leaf::bin::tests::test_bin ... ok
[INFO] [stdout] test leaf::float::tests::test_float ... ok
[INFO] [stdout] test leaf::sint::tests::test_sint ... ok
[INFO] [stdout] test leaf::date::tests::test_date ... ok
[INFO] [stdout] test leaf::text::tests::test_text ... ok
[INFO] [stdout] test leaf::uint::tests::test_uint ... ok
[INFO] [stdout] test base::tests::test_decode ... ok
[INFO] [stdout] test lacer::lacer_tests::test_ebml_lacing ... ok
[INFO] [stdout] test base::tests::test_unknown ... ok
[INFO] [stdout] test base::tests::test_encode ... 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] [stderr]      Running tests/ebml.rs (/opt/rustwide/target/debug/deps/ebml-79a2482f1ea57ac3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test read_ebml ... ok
[INFO] [stdout] test write_ebml ... ok
[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] [stderr]      Running tests/ietf-mkv-test-cases.rs (/opt/rustwide/target/debug/deps/ietf_mkv_test_cases-bc9063d6034a6e98)
[INFO] [stderr]    Doc-tests mkv_element
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[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 2 tests
[INFO] [stdout] test src/../README.md - (line 124) ... FAILED
[INFO] [stdout] test src/../README.md - (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 124) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `mkv_element::io::tokio_impl`
[INFO] [stdout]  --> src/../README.md:129:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use mkv_element::io::tokio_impl::*; // use tokio_impl for async I/O
[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:148:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | 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] 27 - ebml.async_write_to(&mut buffer).await.unwrap();
[INFO] [stdout] 27 + ebml.write_to(&mut buffer).await.unwrap();
[INFO] [stdout]    |
[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:152:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | ebml.async_write_to(&mut file).await.unwrap();
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write_to` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 31 - ebml.async_write_to(&mut file).await.unwrap();
[INFO] [stdout] 31 + ebml.write_to(&mut file).await.unwrap();
[INFO] [stdout]    |
[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:161:25
[INFO] [stdout]    |
[INFO] [stdout] 40 | let ebml_read_1 = Ebml::async_read_from(&mut buf_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_from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 40 - let ebml_read_1 = Ebml::async_read_from(&mut buf_cursor).await.unwrap();
[INFO] [stdout] 40 + let ebml_read_1 = Ebml::read_from(&mut buf_cursor).await.unwrap();
[INFO] [stdout]    |
[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:163:25
[INFO] [stdout]    |
[INFO] [stdout] 42 | let ebml_read_2 = 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] 42 - let ebml_read_2 = Ebml::async_read_from(&mut &buffer[..]).await.unwrap();
[INFO] [stdout] 42 + let ebml_read_2 = Ebml::read_from(&mut &buffer[..]).await.unwrap();
[INFO] [stdout]    |
[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:172:22
[INFO] [stdout]    |
[INFO] [stdout] 51 | let header = Header::async_read_from(&mut buf_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] 51 - let header = Header::async_read_from(&mut buf_cursor).await.unwrap();
[INFO] [stdout] 51 + let header = Header::read_from(&mut buf_cursor).await.unwrap();
[INFO] [stdout]    |
[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:174:25
[INFO] [stdout]    |
[INFO] [stdout] 53 | let ebml_read_4 = Ebml::async_read_element(&header, &mut buf_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] 53 - let ebml_read_4 = Ebml::async_read_element(&header, &mut buf_cursor).await.unwrap();
[INFO] [stdout] 53 + let ebml_read_4 = Ebml::read_element(&header, &mut buf_cursor).await.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 124)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "65a3ed4821cf4215a740dd2fd93ed1c800a445f22ed0c073aec0d1fa752bd21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a3ed4821cf4215a740dd2fd93ed1c800a445f22ed0c073aec0d1fa752bd21c", kill_on_drop: false }`
[INFO] [stdout] 65a3ed4821cf4215a740dd2fd93ed1c800a445f22ed0c073aec0d1fa752bd21c
