[INFO] fetching crate serbia 0.4.3...
[INFO] testing serbia-0.4.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate serbia 0.4.3 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate serbia 0.4.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serbia 0.4.3
[INFO] finished tweaking crates.io crate serbia 0.4.3
[INFO] tweaked toml for crates.io crate serbia 0.4.3 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bf57c6039519efa8c96ac469b37339248bf2eed2375efd2d02bf902f19735ef
[INFO] running `Command { std: "docker" "start" "-a" "9bf57c6039519efa8c96ac469b37339248bf2eed2375efd2d02bf902f19735ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bf57c6039519efa8c96ac469b37339248bf2eed2375efd2d02bf902f19735ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf57c6039519efa8c96ac469b37339248bf2eed2375efd2d02bf902f19735ef", kill_on_drop: false }`
[INFO] [stdout] 9bf57c6039519efa8c96ac469b37339248bf2eed2375efd2d02bf902f19735ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2191b4ef70f73434747e577138670ee42ff7069ee05183866653d33c68780131
[INFO] running `Command { std: "docker" "start" "-a" "2191b4ef70f73434747e577138670ee42ff7069ee05183866653d33c68780131", kill_on_drop: false }`
[INFO] [stderr]    Compiling serbia v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "2191b4ef70f73434747e577138670ee42ff7069ee05183866653d33c68780131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2191b4ef70f73434747e577138670ee42ff7069ee05183866653d33c68780131", kill_on_drop: false }`
[INFO] [stdout] 2191b4ef70f73434747e577138670ee42ff7069ee05183866653d33c68780131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a134a9b45366f5f8603669577fa4183f8be4bbb80fca4a134aa8564aa8786e
[INFO] running `Command { std: "docker" "start" "-a" "a4a134a9b45366f5f8603669577fa4183f8be4bbb80fca4a134aa8564aa8786e", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling serbia v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "a4a134a9b45366f5f8603669577fa4183f8be4bbb80fca4a134aa8564aa8786e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a134a9b45366f5f8603669577fa4183f8be4bbb80fca4a134aa8564aa8786e", kill_on_drop: false }`
[INFO] [stdout] a4a134a9b45366f5f8603669577fa4183f8be4bbb80fca4a134aa8564aa8786e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbcc222108f72ba40e17521d8380d0ef1b8be23689e44905ae2ffd3531675b9c
[INFO] running `Command { std: "docker" "start" "-a" "dbcc222108f72ba40e17521d8380d0ef1b8be23689e44905ae2ffd3531675b9c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serbia-56828fd679fc1784)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test item::tests::detect_deserialize ... ok
[INFO] [stdout] test item::tests::detect_serialize ... ok
[INFO] [stdout] test item::tests::detect_serialize_deserialize ... ok
[INFO] [stdout] test item::tests::detect_serialize_deserialize_qualified ... ok
[INFO] [stdout] test item::tests::manual_bufsize ... ok
[INFO] [stdout] test item::tests::no_serde_derive ... ok
[INFO] [stdout] test item::tests::parse_big_array_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/01_basic_use.rs (/opt/rustwide/target/debug/deps/01_basic_use-f53819fb3fe0d7a9)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test constant ... ok
[INFO] [stdout] test generics ... ok
[INFO] [stdout] test regular_struct_roundtrip ... ok
[INFO] [stdout] test enum_roundtrip ... ok
[INFO] [stdout] test tuple_struct_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/02_serbia_field_attrs.rs (/opt/rustwide/target/debug/deps/02_serbia_field_attrs-719546ff30aef60c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test skip_field ... ok
[INFO] [stderr]      Running tests/03_serde_field_attrs.rs (/opt/rustwide/target/debug/deps/03_serde_field_attrs-0b62acddecd44c47)
[INFO] [stdout] test type_alias ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test skip_field ... ok
[INFO] [stdout] test skip_serializing ... ok
[INFO] [stdout] test serialize_deserialize_with ... ok
[INFO] [stdout] test skip_serializing_if_false ... ok
[INFO] [stdout] test skip_serializing_if_true ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/04_mem_leaks.rs (/opt/rustwide/target/debug/deps/04_mem_leaks-51cf88f10bf9df83)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test deserializing_failure_mem_leak ... ok
[INFO] [stdout] test mem_safety_regression_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serbia
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - serbia (line 281) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - serbia (line 123) ... ok
[INFO] [stdout] test src/lib.rs - serbia (line 216) ... ok
[INFO] [stdout] test src/lib.rs - serbia (line 160) ... ok
[INFO] [stdout] test src/lib.rs - serbia (line 142) ... ok
[INFO] [stdout] test src/lib.rs - serbia (line 196) ... ok
[INFO] [stdout] test src/lib.rs - serbia (line 181) ... ok
[INFO] [stdout] test src/lib.rs - serbia (line 99) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbcc222108f72ba40e17521d8380d0ef1b8be23689e44905ae2ffd3531675b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbcc222108f72ba40e17521d8380d0ef1b8be23689e44905ae2ffd3531675b9c", kill_on_drop: false }`
[INFO] [stdout] dbcc222108f72ba40e17521d8380d0ef1b8be23689e44905ae2ffd3531675b9c