[INFO] crate serde_struct_wrapper 0.3.2 is already in cache
[INFO] testing serde_struct_wrapper-0.3.2 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate serde_struct_wrapper 0.3.2 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_struct_wrapper 0.3.2 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 88d6de896c481cfedfcd3a3148a5731d23d8a18f17d730ccf739f48a1aac01a2
[INFO] running `"docker" "start" "-a" "88d6de896c481cfedfcd3a3148a5731d23d8a18f17d730ccf739f48a1aac01a2"`
[INFO] [stderr]    Compiling serde_test v1.0.101
[INFO] [stderr]    Compiling serde_struct_wrapper v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "88d6de896c481cfedfcd3a3148a5731d23d8a18f17d730ccf739f48a1aac01a2"`
[INFO] running `"docker" "rm" "-f" "88d6de896c481cfedfcd3a3148a5731d23d8a18f17d730ccf739f48a1aac01a2"`
[INFO] [stdout] 88d6de896c481cfedfcd3a3148a5731d23d8a18f17d730ccf739f48a1aac01a2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 962e2b46193bf8535b4ead98fbd738b95c883f9a6b1d33d61fec8c11b1671814
[INFO] running `"docker" "start" "-a" "962e2b46193bf8535b4ead98fbd738b95c883f9a6b1d33d61fec8c11b1671814"`
[INFO] [stderr]    Compiling serde_struct_wrapper v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "962e2b46193bf8535b4ead98fbd738b95c883f9a6b1d33d61fec8c11b1671814"`
[INFO] running `"docker" "rm" "-f" "962e2b46193bf8535b4ead98fbd738b95c883f9a6b1d33d61fec8c11b1671814"`
[INFO] [stdout] 962e2b46193bf8535b4ead98fbd738b95c883f9a6b1d33d61fec8c11b1671814
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 7beb0ab43297f5b72656a2ea8bafc370700b88db052fa035c42312e2b7527de4
[INFO] running `"docker" "start" "-a" "7beb0ab43297f5b72656a2ea8bafc370700b88db052fa035c42312e2b7527de4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_struct_wrapper-a249eb82b51d70c8
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_de-fd9bbb713686cb74
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test deserializer_throws_error_on_duplicate_root ... ok
[INFO] [stdout] test deserializer_throws_error_on_missing_root ... ok
[INFO] [stdout] test deserializes_struct_with_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_ser-58afef6680433e90
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_ser_de-afe69e6e15f1a9e5
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_struct_wrapper
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7beb0ab43297f5b72656a2ea8bafc370700b88db052fa035c42312e2b7527de4"`
[INFO] running `"docker" "rm" "-f" "7beb0ab43297f5b72656a2ea8bafc370700b88db052fa035c42312e2b7527de4"`
[INFO] [stdout] 7beb0ab43297f5b72656a2ea8bafc370700b88db052fa035c42312e2b7527de4