[INFO] fetching crate serde_yaml 0.8.20...
[INFO] testing serde_yaml-0.8.20 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serde_yaml 0.8.20 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_yaml 0.8.20 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 serde_yaml 0.8.20
[INFO] finished tweaking crates.io crate serde_yaml 0.8.20
[INFO] tweaked toml for crates.io crate serde_yaml 0.8.20 written to /workspace/builds/worker-8/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-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" "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] 07fec9cdb2e84d66a8f9147809f2fcfef8263d8559d74bb194b16e6174cad223
[INFO] running `Command { std: "docker" "start" "-a" "07fec9cdb2e84d66a8f9147809f2fcfef8263d8559d74bb194b16e6174cad223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fec9cdb2e84d66a8f9147809f2fcfef8263d8559d74bb194b16e6174cad223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fec9cdb2e84d66a8f9147809f2fcfef8263d8559d74bb194b16e6174cad223", kill_on_drop: false }`
[INFO] [stdout] 07fec9cdb2e84d66a8f9147809f2fcfef8263d8559d74bb194b16e6174cad223
[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" "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] a46f0cda343a45fe90c275c17bba20f16486346a3544f4f879539dda2d8db644
[INFO] running `Command { std: "docker" "start" "-a" "a46f0cda343a45fe90c275c17bba20f16486346a3544f4f879539dda2d8db644", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_yaml v0.8.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "a46f0cda343a45fe90c275c17bba20f16486346a3544f4f879539dda2d8db644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46f0cda343a45fe90c275c17bba20f16486346a3544f4f879539dda2d8db644", kill_on_drop: false }`
[INFO] [stdout] a46f0cda343a45fe90c275c17bba20f16486346a3544f4f879539dda2d8db644
[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" "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] c56e80c734299b39f6f4568780fa92ac311b9df048055e0a7baf5791c63c2d59
[INFO] running `Command { std: "docker" "start" "-a" "c56e80c734299b39f6f4568780fa92ac311b9df048055e0a7baf5791c63c2d59", kill_on_drop: false }`
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling serde_yaml v0.8.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "c56e80c734299b39f6f4568780fa92ac311b9df048055e0a7baf5791c63c2d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56e80c734299b39f6f4568780fa92ac311b9df048055e0a7baf5791c63c2d59", kill_on_drop: false }`
[INFO] [stdout] c56e80c734299b39f6f4568780fa92ac311b9df048055e0a7baf5791c63c2d59
[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" "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] 5fda7f750a62ffc1ddfb0bdd8a571234aa04cf626137670e92f59436608d2fd7
[INFO] running `Command { std: "docker" "start" "-a" "5fda7f750a62ffc1ddfb0bdd8a571234aa04cf626137670e92f59436608d2fd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_yaml-fac769e60b4fae97)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_de.rs (/opt/rustwide/target/debug/deps/test_de-99cf6c506d3518ef)
[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 13 tests
[INFO] [stdout] test test_de_mapping ... ok
[INFO] [stdout] test test_alias ... ok
[INFO] [stdout] test test_i128_big ... ok
[INFO] [stdout] test test_number_as_string ... ok
[INFO] [stdout] test test_enum_tag ... ok
[INFO] [stdout] test test_enum_alias ... ok
[INFO] [stdout] test test_number_alias_as_string ... ok
[INFO] [stdout] test test_option_alias ... ok
[INFO] [stderr]      Running tests/test_error.rs (/opt/rustwide/target/debug/deps/test_error-1658b5fb64bae60a)
[INFO] [stdout] test test_stateful ... ok
[INFO] [stdout] test test_bomb ... ok
[INFO] [stdout] test test_option ... ok
[INFO] [stdout] test test_numbers ... ok
[INFO] [stdout] test test_u128_big ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test_bad_int ... ok
[INFO] [stdout] test test_bad_bool ... ok
[INFO] [stdout] test test_bad_float ... ok
[INFO] [stdout] test test_incorrect_type ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_long_tuple ... ok
[INFO] [stdout] test test_bad_null ... ok
[INFO] [stdout] test test_missing_field ... ok
[INFO] [stdout] test test_incorrect_nested_type ... ok
[INFO] [stdout] test test_ignored_unknown_anchor ... ok
[INFO] [stdout] test test_invalid_scalar_type ... ok
[INFO] [stdout] test test_infinite_recursion_objects ... ok
[INFO] [stdout] test test_variant_not_a_map ... ok
[INFO] [stdout] test test_no_location ... ok
[INFO] [stdout] test test_variant_map_wrong_size ... ok
[INFO] [stdout] test test_finite_recursion_arrays ... ok
[INFO] [stdout] test test_unknown_anchor ... ok
[INFO] [stdout] test test_infinite_recursion_arrays ... ok
[INFO] [stdout] test test_short_tuple ... ok
[INFO] [stdout] test test_variant_not_string ... ok
[INFO] [stdout] test test_two_documents ... ok
[INFO] [stdout] test test_finite_recursion_objects ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_serde.rs (/opt/rustwide/target/debug/deps/test_serde-fb9f3d2d4fa7f2fa)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test_default ... ok
[INFO] [stdout] test test_float ... ok
[INFO] [stdout] test test_basic_struct ... ok
[INFO] [stdout] test test_int ... ok
[INFO] [stdout] test test_int_max_i64 ... ok
[INFO] [stdout] test test_int_max_u64 ... ok
[INFO] [stdout] test test_int_min_i64 ... ok
[INFO] [stdout] test test_nested_struct ... ok
[INFO] [stdout] test test_u128_small ... ok
[INFO] [stdout] test test_nested_vec ... ok
[INFO] [stdout] test test_unit ... ok
[INFO] [stdout] test test_mapping ... ok
[INFO] [stdout] test test_i128_small ... ok
[INFO] [stdout] test test_tuple_variant ... ok
[INFO] [stdout] test test_newtype_struct ... ok
[INFO] [stdout] test test_struct_variant ... ok
[INFO] [stdout] test test_newtype_variant ... ok
[INFO] [stdout] test test_vec ... ok
[INFO] [stdout] test test_value ... ok
[INFO] [stdout] test test_unit_variant ... ok
[INFO] [stdout] test test_option ... ok
[INFO] [stdout] test test_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_value.rs (/opt/rustwide/target/debug/deps/test_value-87435893c51cfa38)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_digits ... ok
[INFO] [stdout] test test_nan ... ok
[INFO] [stdout] test test_into_deserializer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_visitor.rs (/opt/rustwide/target/debug/deps/test_visitor-3fcc9ff2089a9695)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_visitor ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_yaml
[INFO] [stdout] 
[INFO] [stdout] running 79 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 serde_yaml --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-e64f710e8a6a1cec.rlib --extern dtoa=/opt/rustwide/target/debug/deps/libdtoa-0435f60421215b0f.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-0040f1e2644ab5af.rlib --extern indoc=/opt/rustwide/target/debug/deps/libindoc-66d816172ffdddc0.so --extern serde=/opt/rustwide/target/debug/deps/libserde-3d87f6cff87cb4be.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-69054f4e434afa19.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-ebd25c6aebf45697.rlib --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-fb062838ce04b5b9.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5fda7f750a62ffc1ddfb0bdd8a571234aa04cf626137670e92f59436608d2fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fda7f750a62ffc1ddfb0bdd8a571234aa04cf626137670e92f59436608d2fd7", kill_on_drop: false }`
[INFO] [stdout] 5fda7f750a62ffc1ddfb0bdd8a571234aa04cf626137670e92f59436608d2fd7