[INFO] fetching crate serde_yaml 0.8.20...
[INFO] testing serde_yaml-0.8.20 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_yaml 0.8.20 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate serde_yaml 0.8.20 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c283df0c72a0793bbcac83afcb0102c1839e6d989ea4ef20bb7c8b3eda049edb
[INFO] running `Command { std: "docker" "start" "-a" "c283df0c72a0793bbcac83afcb0102c1839e6d989ea4ef20bb7c8b3eda049edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c283df0c72a0793bbcac83afcb0102c1839e6d989ea4ef20bb7c8b3eda049edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c283df0c72a0793bbcac83afcb0102c1839e6d989ea4ef20bb7c8b3eda049edb", kill_on_drop: false }`
[INFO] [stdout] c283df0c72a0793bbcac83afcb0102c1839e6d989ea4ef20bb7c8b3eda049edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e684ccd1f29bb405b0f463aa46864814abaaa37e17555db47a9f7e75f32255d
[INFO] running `Command { std: "docker" "start" "-a" "3e684ccd1f29bb405b0f463aa46864814abaaa37e17555db47a9f7e75f32255d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_yaml v0.8.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "3e684ccd1f29bb405b0f463aa46864814abaaa37e17555db47a9f7e75f32255d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e684ccd1f29bb405b0f463aa46864814abaaa37e17555db47a9f7e75f32255d", kill_on_drop: false }`
[INFO] [stdout] 3e684ccd1f29bb405b0f463aa46864814abaaa37e17555db47a9f7e75f32255d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a119de670747e953634e1ec1ac0306dbd17a2441e6819f2a453fe8c909adfdf9
[INFO] running `Command { std: "docker" "start" "-a" "a119de670747e953634e1ec1ac0306dbd17a2441e6819f2a453fe8c909adfdf9", 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 4.56s
[INFO] running `Command { std: "docker" "inspect" "a119de670747e953634e1ec1ac0306dbd17a2441e6819f2a453fe8c909adfdf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a119de670747e953634e1ec1ac0306dbd17a2441e6819f2a453fe8c909adfdf9", kill_on_drop: false }`
[INFO] [stdout] a119de670747e953634e1ec1ac0306dbd17a2441e6819f2a453fe8c909adfdf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f212a7cf19f942a5e038bc2bfc7df16ad846f9ff5ce7415b0800235408a8510
[INFO] running `Command { std: "docker" "start" "-a" "0f212a7cf19f942a5e038bc2bfc7df16ad846f9ff5ce7415b0800235408a8510", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_yaml-908b4f19dde7afcb)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_de.rs (/opt/rustwide/target/debug/deps/test_de-f11a971d8f0be702)
[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_bomb ... ok
[INFO] [stdout] test test_i128_big ... ok
[INFO] [stdout] test test_enum_alias ... ok
[INFO] [stdout] test test_enum_tag ... ok
[INFO] [stdout] test test_number_alias_as_string ... ok
[INFO] [stdout] test test_option ... ok
[INFO] [stdout] test test_numbers ... ok
[INFO] [stdout] test test_stateful ... ok
[INFO] [stdout] test test_number_as_string ... ok
[INFO] [stdout] test test_option_alias ... 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_error.rs (/opt/rustwide/target/debug/deps/test_error-aec2f1c6834a76de)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test_bad_bool ... ok
[INFO] [stdout] test test_bad_int ... ok
[INFO] [stdout] test test_bad_float ... ok
[INFO] [stdout] test test_bad_null ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_incorrect_nested_type ... ok
[INFO] [stdout] test test_ignored_unknown_anchor ... ok
[INFO] [stdout] test test_incorrect_type ... ok
[INFO] [stdout] test test_long_tuple ... ok
[INFO] [stdout] test test_invalid_scalar_type ... ok
[INFO] [stdout] test test_missing_field ... ok
[INFO] [stdout] test test_no_location ... ok
[INFO] [stdout] test test_short_tuple ... ok
[INFO] [stdout] test test_unknown_anchor ... ok
[INFO] [stdout] test test_two_documents ... ok
[INFO] [stdout] test test_variant_map_wrong_size ... ok
[INFO] [stdout] test test_variant_not_a_map ... ok
[INFO] [stdout] test test_variant_not_string ... ok
[INFO] [stdout] test test_infinite_recursion_arrays ... ok
[INFO] [stdout] test test_infinite_recursion_objects ... ok
[INFO] [stdout] test test_finite_recursion_arrays ... 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_serde.rs (/opt/rustwide/target/debug/deps/test_serde-284c8c01f5e1990c)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test_default ... ok
[INFO] [stdout] test test_float ... ok
[INFO] [stdout] test test_int ... ok
[INFO] [stdout] test test_i128_small ... ok
[INFO] [stdout] test test_int_max_i64 ... ok
[INFO] [stdout] test test_basic_struct ... ok
[INFO] [stdout] test test_int_min_i64 ... ok
[INFO] [stdout] test test_int_max_u64 ... ok
[INFO] [stdout] test test_map ... ok
[INFO] [stdout] test test_mapping ... ok
[INFO] [stdout] test test_nested_vec ... ok
[INFO] [stdout] test test_nested_struct ... ok
[INFO] [stdout] test test_newtype_struct ... ok
[INFO] [stdout] test test_newtype_variant ... ok
[INFO] [stdout] test test_option ... ok
[INFO] [stdout] test test_u128_small ... ok
[INFO] [stdout] test test_unit_variant ... ok
[INFO] [stdout] test test_unit ... ok
[INFO] [stdout] test test_tuple_variant ... ok
[INFO] [stdout] test test_vec ... ok
[INFO] [stdout] test test_struct_variant ... ok
[INFO] [stdout] test test_value ... 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-d7f80908a6fc592e)
[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-8b308f4780e5ddc9)
[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] [stdout] test src/number.rs - number::Number::is_nan (line 221) ... ok
[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-a6de331f7eb7ef5b.rlib --extern dtoa=/opt/rustwide/target/debug/deps/libdtoa-6a646ec1bef6683f.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-c11af052310ee5ab.rlib --extern indoc=/opt/rustwide/target/debug/deps/libindoc-b8be3e2200a2c50d.so --extern serde=/opt/rustwide/target/debug/deps/libserde-e1e7584dcba0a5cc.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8fe885f1d4439ddc.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-c8c6b2c968dfb8f6.rlib --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-40e3e6de367404d9.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "0f212a7cf19f942a5e038bc2bfc7df16ad846f9ff5ce7415b0800235408a8510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f212a7cf19f942a5e038bc2bfc7df16ad846f9ff5ce7415b0800235408a8510", kill_on_drop: false }`
[INFO] [stdout] 0f212a7cf19f942a5e038bc2bfc7df16ad846f9ff5ce7415b0800235408a8510