[INFO] fetching crate serde_struct_wrapper 0.3.2...
[INFO] testing serde_struct_wrapper-0.3.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate serde_struct_wrapper 0.3.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate serde_struct_wrapper 0.3.2 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 serde_struct_wrapper 0.3.2
[INFO] finished tweaking crates.io crate serde_struct_wrapper 0.3.2
[INFO] tweaked toml for crates.io crate serde_struct_wrapper 0.3.2 written to /workspace/builds/worker-15/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 814602be853e8a88ca507e147ba887f946a5cc56f8bbb1c22a2c6e6634da91ac
[INFO] running `Command { std: "docker" "start" "-a" "814602be853e8a88ca507e147ba887f946a5cc56f8bbb1c22a2c6e6634da91ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "814602be853e8a88ca507e147ba887f946a5cc56f8bbb1c22a2c6e6634da91ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814602be853e8a88ca507e147ba887f946a5cc56f8bbb1c22a2c6e6634da91ac", kill_on_drop: false }`
[INFO] [stdout] 814602be853e8a88ca507e147ba887f946a5cc56f8bbb1c22a2c6e6634da91ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 05fdd784b8d51b8a78ad0ddf7a8af90d01ed6554b487c4453cdd08b022f6c4dd
[INFO] running `Command { std: "docker" "start" "-a" "05fdd784b8d51b8a78ad0ddf7a8af90d01ed6554b487c4453cdd08b022f6c4dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_test v1.0.136
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling serde_struct_wrapper v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `Command { std: "docker" "inspect" "05fdd784b8d51b8a78ad0ddf7a8af90d01ed6554b487c4453cdd08b022f6c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fdd784b8d51b8a78ad0ddf7a8af90d01ed6554b487c4453cdd08b022f6c4dd", kill_on_drop: false }`
[INFO] [stdout] 05fdd784b8d51b8a78ad0ddf7a8af90d01ed6554b487c4453cdd08b022f6c4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 03a87639b475b350f0bbcccca965ef605dd611256aeb4af3cb41a2ae3cced378
[INFO] running `Command { std: "docker" "start" "-a" "03a87639b475b350f0bbcccca965ef605dd611256aeb4af3cb41a2ae3cced378", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_struct_wrapper v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_ser.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | serialize_with_root!("point": Point);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `serialize_with_root` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_ser_de.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | serde_with_root!("point": Point);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `serialize_with_root` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "03a87639b475b350f0bbcccca965ef605dd611256aeb4af3cb41a2ae3cced378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a87639b475b350f0bbcccca965ef605dd611256aeb4af3cb41a2ae3cced378", kill_on_drop: false }`
[INFO] [stdout] 03a87639b475b350f0bbcccca965ef605dd611256aeb4af3cb41a2ae3cced378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 42b7b8da318709530a7dcabb59d9c0685c13aac31b3e008798f073894f6f724c
[INFO] running `Command { std: "docker" "start" "-a" "42b7b8da318709530a7dcabb59d9c0685c13aac31b3e008798f073894f6f724c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_ser.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | serialize_with_root!("point": Point);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `serialize_with_root` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_ser_de.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | serde_with_root!("point": Point);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `serialize_with_root` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_struct_wrapper` (test "test_ser") generated 1 warning
[INFO] [stderr] warning: `serde_struct_wrapper` (test "test_ser_de") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_struct_wrapper-844beab54354489b)
[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/test_de.rs (/opt/rustwide/target/debug/deps/test_de-442ec078f290d166)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/test_ser.rs (/opt/rustwide/target/debug/deps/test_ser-57c9282825ccba4a)
[INFO] [stdout] test deserializer_throws_error_on_duplicate_root ... ok
[INFO] [stdout] test deserializes_struct_with_root ... ok
[INFO] [stdout] test deserializer_throws_error_on_missing_root ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/test_ser_de.rs (/opt/rustwide/target/debug/deps/test_ser_de-1f46b7066d009dfe)
[INFO] [stdout] test serializes_struct_with_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_struct_wrapper
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test serializes_and_deserializes_struct_with_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - serialize_with_root (line 176) ... ok
[INFO] [stdout] test src/lib.rs - deserialize_with_root (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42b7b8da318709530a7dcabb59d9c0685c13aac31b3e008798f073894f6f724c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b7b8da318709530a7dcabb59d9c0685c13aac31b3e008798f073894f6f724c", kill_on_drop: false }`
[INFO] [stdout] 42b7b8da318709530a7dcabb59d9c0685c13aac31b3e008798f073894f6f724c