[INFO] fetching crate marked 0.2.0...
[INFO] testing marked-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate marked 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate marked 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marked 0.2.0
[INFO] finished tweaking crates.io crate marked 0.2.0
[INFO] tweaked toml for crates.io crate marked 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a336ac3874818bf1f244b6e16a26441bc7743dfec4dbbfa682620d2d4c5a5645
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a336ac3874818bf1f244b6e16a26441bc7743dfec4dbbfa682620d2d4c5a5645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a336ac3874818bf1f244b6e16a26441bc7743dfec4dbbfa682620d2d4c5a5645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a336ac3874818bf1f244b6e16a26441bc7743dfec4dbbfa682620d2d4c5a5645", kill_on_drop: false }`
[INFO] [stdout] a336ac3874818bf1f244b6e16a26441bc7743dfec4dbbfa682620d2d4c5a5645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1da1445956d2c4a49d8b833d70dbaa86d847d9dab7e3758771d146894a950f44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1da1445956d2c4a49d8b833d70dbaa86d847d9dab7e3758771d146894a950f44", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling marked v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/chars.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         mem::replace(st, ost.take().unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/dom.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         mem::replace(&mut self.nodes, ndoc.nodes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.92s
[INFO] running `Command { std: "docker" "inspect" "1da1445956d2c4a49d8b833d70dbaa86d847d9dab7e3758771d146894a950f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da1445956d2c4a49d8b833d70dbaa86d847d9dab7e3758771d146894a950f44", kill_on_drop: false }`
[INFO] [stdout] 1da1445956d2c4a49d8b833d70dbaa86d847d9dab7e3758771d146894a950f44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05f8f6e027ee502813bed165a897f46130f15777842bae6ed5561febb365d4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e05f8f6e027ee502813bed165a897f46130f15777842bae6ed5561febb365d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling marked v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/chars.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         mem::replace(st, ost.take().unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/dom.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         mem::replace(&mut self.nodes, ndoc.nodes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.47s
[INFO] running `Command { std: "docker" "inspect" "e05f8f6e027ee502813bed165a897f46130f15777842bae6ed5561febb365d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05f8f6e027ee502813bed165a897f46130f15777842bae6ed5561febb365d4c", kill_on_drop: false }`
[INFO] [stdout] e05f8f6e027ee502813bed165a897f46130f15777842bae6ed5561febb365d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49431d186961c99af143889b9dbc829b6cbd9fc023fe258cfcbce4fe2a6fa860
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49431d186961c99af143889b9dbc829b6cbd9fc023fe258cfcbce4fe2a6fa860", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/chars.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         mem::replace(st, ost.take().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/dom.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         mem::replace(&mut self.nodes, ndoc.nodes);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/marked-5b31e9bcaae01109
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test chars::tests::replace_ctrl_only ... ok
[INFO] [stdout] test decode::encoding_hint::tests::could_read_from_multi_byte ... ok
[INFO] [stdout] test decode::encoding_hint::tests::encoding_hint ... ok
[INFO] [stdout] test decode::encoding_hint::tests::test_not_send_nor_sync ... ok
[INFO] [stdout] test chars::tests::replace_multibyte ... ok
[INFO] [stdout] test dom::tests::mixed_text_no_root ... ok
[INFO] [stdout] test decode::tests::decode_koi8_u_encoding_rs ... ok
[INFO] [stdout] test decode::encoding_hint::tests::could_read_from ... ok
[INFO] [stdout] test chars::tests::test_char_class ... ok
[INFO] [stdout] test decode::tests::decode_utf8_encoding_rs ... ok
[INFO] [stdout] test chars::tests::replace_trim_right ... ok
[INFO] [stdout] test dom::tests::test_append_deep_clone ... ok
[INFO] [stdout] test dom::tests::test_deep_clone ... ok
[INFO] [stdout] test chars::tests::replace_trim ... ok
[INFO] [stdout] test dom::tests::size_of ... ok
[INFO] [stdout] test decode::encoding_hint::tests::test_send_sync ... ok
[INFO] [stdout] test chars::tests::replace ... ok
[INFO] [stdout] test decode::tests::decode_windows_949_encoding_rs ... ok
[INFO] [stdout] test dom::tests::element_attrs ... ok
[INFO] [stdout] test dom::tests::test_documento_utf16le_meta_utf8 ... ok
[INFO] [stdout] test dom::tests::test_documento_utf8 ... ok
[INFO] [stdout] test dom::tests::one_element ... ok
[INFO] [stdout] test dom::tests::element_attrs_dups ... ok
[INFO] [stdout] test dom::tests::empty_document ... ok
[INFO] [stdout] test dom::tests::test_documento_utf16le_bom ... ok
[INFO] [stdout] test dom::tests::test_documento_utf8_bom ... ok
[INFO] [stdout] test dom::tests::test_empty_inline ... ok
[INFO] [stdout] test dom::tests::test_documento_utf8_meta ... ok
[INFO] [stdout] test dom::tests::test_documento_windows1252_meta ... ok
[INFO] [stdout] test dom::tests::test_empty_fragment ... ok
[INFO] [stdout] test dom::tests::test_detach_root_doctype ... ok
[INFO] [stdout] test dom::tests::test_filter_chain ... ok
[INFO] [stdout] test dom::tests::test_fold_filter ... ok
[INFO] [stdout] test dom::tests::test_empty_tag ... ok
[INFO] [stdout] test dom::tests::test_fold_filter_breadth ... ok
[INFO] [stdout] test dom::tests::test_img_decoding_unknown ... ok
[INFO] [stdout] test dom::tests::test_html_attr ... ok
[INFO] [stdout] test dom::tests::test_detach_root ... ok
[INFO] [stdout] test dom::tests::test_documento_utf16be_bom ... ok
[INFO] [stdout] test dom::tests::test_parsed_attrs ... ok
[INFO] [stdout] test dom::tests::test_remove_filter ... ok
[INFO] [stdout] test chars::tests::replace_trim_left ... ok
[INFO] [stdout] test dom::tests::test_plaintext ... ok
[INFO] [stdout] test dom::tests::test_select_children ... ok
[INFO] [stdout] test dom::tests::test_documento_utf16be_meta_utf16le ... ok
[INFO] [stdout] test dom::tests::test_remove_filter_breadth ... ok
[INFO] [stdout] test dom::tests::test_documento_utf16le ... ok
[INFO] [stdout] test dom::tests::test_inline_fragment ... ok
[INFO] [stdout] test dom::tests::test_shallow_fragment ... ok
[INFO] [stdout] test dom::tests::test_text_fragment ... ok
[INFO] [stdout] test dom::tests::test_tag_metadata ... ok
[INFO] [stdout] test logger::tests::log_setup ... ok
[INFO] [stdout] test dom::tests::test_select ... ok
[INFO] [stdout] test dom::tests::test_documento_utf8_meta_utf16 ... ok
[INFO] [stdout] test dom::tests::test_xmp ... ok
[INFO] [stdout] test dom::tests::suitable_parent_asserted ... ok
[INFO] [stdout] test dom::tests::redundant_document_node_asserted ... ok
[INFO] [stdout] test dom::tests::test_russez_windows1251_meta ... ok
[INFO] [stdout] test dom::tests::test_iro0094_shiftjis_meta ... ok
[INFO] [stdout] test dom::tests::test_matsunami_eucjp_meta ... ok
[INFO] [stdout] test dom::tests::test_filter_chain_large_sample_breadth ... ok
[INFO] [stdout] test dom::tests::test_filter_chain_large_sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49431d186961c99af143889b9dbc829b6cbd9fc023fe258cfcbce4fe2a6fa860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49431d186961c99af143889b9dbc829b6cbd9fc023fe258cfcbce4fe2a6fa860", kill_on_drop: false }`
[INFO] [stdout] 49431d186961c99af143889b9dbc829b6cbd9fc023fe258cfcbce4fe2a6fa860