[INFO] fetching crate serde_var_export 0.1.0...
[INFO] testing serde_var_export-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_var_export 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serde_var_export 0.1.0 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_var_export 0.1.0
[INFO] finished tweaking crates.io crate serde_var_export 0.1.0
[INFO] tweaked toml for crates.io crate serde_var_export 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate serde_var_export 0.1.0 already has a lockfile, it will not be regenerated
[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-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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8204c39dacb5958c5463bfe7d6f5a03b5c250ad9328e72dfbdf25fff25cb2f13
[INFO] running `Command { std: "docker" "start" "-a" "8204c39dacb5958c5463bfe7d6f5a03b5c250ad9328e72dfbdf25fff25cb2f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8204c39dacb5958c5463bfe7d6f5a03b5c250ad9328e72dfbdf25fff25cb2f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8204c39dacb5958c5463bfe7d6f5a03b5c250ad9328e72dfbdf25fff25cb2f13", kill_on_drop: false }`
[INFO] [stdout] 8204c39dacb5958c5463bfe7d6f5a03b5c250ad9328e72dfbdf25fff25cb2f13
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c694f88f2ae75a4b450242debfa22091884c3a246fc235c3fc0c889f5e489f
[INFO] running `Command { std: "docker" "start" "-a" "50c694f88f2ae75a4b450242debfa22091884c3a246fc235c3fc0c889f5e489f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.9
[INFO] [stderr]    Compiling serde_var_export v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "50c694f88f2ae75a4b450242debfa22091884c3a246fc235c3fc0c889f5e489f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c694f88f2ae75a4b450242debfa22091884c3a246fc235c3fc0c889f5e489f", kill_on_drop: false }`
[INFO] [stdout] 50c694f88f2ae75a4b450242debfa22091884c3a246fc235c3fc0c889f5e489f
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f7a324c0a5634d680e6ead21d572b96c570d312f7f2046f976f7599ee33f7c4
[INFO] running `Command { std: "docker" "start" "-a" "7f7a324c0a5634d680e6ead21d572b96c570d312f7f2046f976f7599ee33f7c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_var_export v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `Command { std: "docker" "inspect" "7f7a324c0a5634d680e6ead21d572b96c570d312f7f2046f976f7599ee33f7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7a324c0a5634d680e6ead21d572b96c570d312f7f2046f976f7599ee33f7c4", kill_on_drop: false }`
[INFO] [stdout] 7f7a324c0a5634d680e6ead21d572b96c570d312f7f2046f976f7599ee33f7c4
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2f4b906e85f368dfe2a391b9cfe1541de382fa2a284a7054cecf49edbb2e565
[INFO] running `Command { std: "docker" "start" "-a" "e2f4b906e85f368dfe2a391b9cfe1541de382fa2a284a7054cecf49edbb2e565", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_var_export-2c122d7917093dae)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test ser::new_tests::new_serializer ... ok
[INFO] [stdout] test error::tests::ser_error ... ok
[INFO] [stdout] test ser::new_tests::new_seq_serializer ... ok
[INFO] [stdout] test error::tests::de_error ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_bool ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_bytes ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_char ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_f32 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_f64 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_i32 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_i64 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_i16 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_i8 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_newtype_struct ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_newtype_variant ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_seq ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_none ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_some ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_str ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_tuple ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_tuple_struct ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_tuple_variant ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_u16 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_u32 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_u64 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_u8 ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_unit ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_unit_struct ... ok
[INFO] [stdout] test ser::serializer_tests::serialize_unit_variant ... ok
[INFO] [stdout] test ser::to_xyz_tests::to_string ... ok
[INFO] [stdout] test ser::to_xyz_tests::to_vec ... ok
[INFO] [stdout] test ser::to_xyz_tests::to_writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/common.rs (/opt/rustwide/target/debug/deps/common-c5b40c49ff3e76e7)
[INFO] [stdout] 
[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] [stderr]      Running tests/to_string.rs (/opt/rustwide/target/debug/deps/to_string-f6bd3b891f79cea1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test serialize_struct_variant ... ok
[INFO] [stdout] test serialize_tuple_variant ... ok
[INFO] [stdout] test serialize_map ... ok
[INFO] [stdout] test test_complex_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_var_export
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2f4b906e85f368dfe2a391b9cfe1541de382fa2a284a7054cecf49edbb2e565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f4b906e85f368dfe2a391b9cfe1541de382fa2a284a7054cecf49edbb2e565", kill_on_drop: false }`
[INFO] [stdout] e2f4b906e85f368dfe2a391b9cfe1541de382fa2a284a7054cecf49edbb2e565