[INFO] fetching crate marked-yaml 0.2.0...
[INFO] testing marked-yaml-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate marked-yaml 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate marked-yaml 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marked-yaml 0.2.0
[INFO] finished tweaking crates.io crate marked-yaml 0.2.0
[INFO] tweaked toml for crates.io crate marked-yaml 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5903d5b33495390bc2f14701449f0a0ab1e298f40ced1dc4fe1a6850047bb70
[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" "c5903d5b33495390bc2f14701449f0a0ab1e298f40ced1dc4fe1a6850047bb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5903d5b33495390bc2f14701449f0a0ab1e298f40ced1dc4fe1a6850047bb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5903d5b33495390bc2f14701449f0a0ab1e298f40ced1dc4fe1a6850047bb70", kill_on_drop: false }`
[INFO] [stdout] c5903d5b33495390bc2f14701449f0a0ab1e298f40ced1dc4fe1a6850047bb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eee76be1500dc22d771e47e659b4af64edf6d6f5732bab689e736e371f0576f2
[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" "eee76be1500dc22d771e47e659b4af64edf6d6f5732bab689e736e371f0576f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling marked-yaml v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "eee76be1500dc22d771e47e659b4af64edf6d6f5732bab689e736e371f0576f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee76be1500dc22d771e47e659b4af64edf6d6f5732bab689e736e371f0576f2", kill_on_drop: false }`
[INFO] [stdout] eee76be1500dc22d771e47e659b4af64edf6d6f5732bab689e736e371f0576f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c8467dc4937ad1914ab563b8f8818831d7f24128d43d6f37d5d48050352b1bc
[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" "9c8467dc4937ad1914ab563b8f8818831d7f24128d43d6f37d5d48050352b1bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling marked-yaml v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "9c8467dc4937ad1914ab563b8f8818831d7f24128d43d6f37d5d48050352b1bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8467dc4937ad1914ab563b8f8818831d7f24128d43d6f37d5d48050352b1bc", kill_on_drop: false }`
[INFO] [stdout] 9c8467dc4937ad1914ab563b8f8818831d7f24128d43d6f37d5d48050352b1bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d4a4a52c09e63e448233c8286daf2b7a86f1e001f00a90cfbcae385f07c1bc9
[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" "4d4a4a52c09e63e448233c8286daf2b7a86f1e001f00a90cfbcae385f07c1bc9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 23 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/marked_yaml-d3529d0d55eab9a5)
[INFO] [stdout] test loader::test::malformed_yaml_for_scanerror ... ok
[INFO] [stdout] test loader::test::toplevel_is_empty ... ok
[INFO] [stdout] test loader::test::nested_mapping_key_mapping ... ok
[INFO] [stdout] test loader::test::smoke_basics ... ok
[INFO] [stdout] test loader::test::unexpected_anchor ... ok
[INFO] [stdout] test loader::test::load_everything ... ok
[INFO] [stdout] test loader::test::unexpected_anchor2 ... ok
[INFO] [stdout] test loader::test::toplevel_is_sequence ... ok
[INFO] [stdout] test loader::test::toplevel_is_empty_inline ... ok
[INFO] [stdout] test loader::test::toplevel_is_scalar ... ok
[INFO] [stdout] test loader::test::unexpected_tag ... ok
[INFO] [stdout] test loader::test::unexpected_anchor3 ... ok
[INFO] [stdout] test types::test::basic_span_checks ... ok
[INFO] [stdout] test loader::test::mapping_key_mapping ... ok
[INFO] [stdout] test types::test::back_yaml_conversion ... ok
[INFO] [stdout] test types::test::basic_mapping_features ... ok
[INFO] [stdout] test types::test::basic_sequence_features ... ok
[INFO] [stdout] test types::test::basic_explore_load_test ... ok
[INFO] [stdout] test loader::test::mapping_key_sequence ... ok
[INFO] [stdout] test types::test::basic_marker_checks ... ok
[INFO] [stdout] test types::test::basic_scalar_features ... ok
[INFO] [stdout] test types::test::extra_node_impls ... ok
[INFO] [stderr]    Doc-tests marked-yaml
[INFO] [stdout] test types::test::yaml_conversions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 88 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name marked_yaml --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern doc_comment=/opt/rustwide/target/debug/deps/libdoc_comment-e1ffa691f515e082.rlib --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-87abf167d0f55ac8.rlib --extern marked_yaml=/opt/rustwide/target/debug/deps/libmarked_yaml-6ff121a6ef51b82d.rlib --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-3c99170628fdbf2d.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4d4a4a52c09e63e448233c8286daf2b7a86f1e001f00a90cfbcae385f07c1bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4a4a52c09e63e448233c8286daf2b7a86f1e001f00a90cfbcae385f07c1bc9", kill_on_drop: false }`
[INFO] [stdout] 4d4a4a52c09e63e448233c8286daf2b7a86f1e001f00a90cfbcae385f07c1bc9