[INFO] crate prefixopt_derive 0.4.0 is already in cache
[INFO] testing prefixopt_derive-0.4.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate prefixopt_derive 0.4.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate prefixopt_derive 0.4.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate prefixopt_derive 0.4.0
[INFO] finished tweaking crates.io crate prefixopt_derive 0.4.0
[INFO] tweaked toml for crates.io crate prefixopt_derive 0.4.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 3d99cdeda0a34c000561f56fb0b4da524548931da5f91a191425bea3cd49496a
[INFO] running `"docker" "start" "-a" "3d99cdeda0a34c000561f56fb0b4da524548931da5f91a191425bea3cd49496a"`
[INFO] [stderr]    Compiling scopeguard v0.2.0
[INFO] [stderr]    Compiling map_in_place v0.1.0
[INFO] [stderr]    Compiling prefixopt v0.4.0
[INFO] [stderr]    Compiling prefixopt_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/enum_data.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     .map(|id| id as &::std::fmt::Display)
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::fmt::Display)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `"docker" "inspect" "3d99cdeda0a34c000561f56fb0b4da524548931da5f91a191425bea3cd49496a"`
[INFO] running `"docker" "rm" "-f" "3d99cdeda0a34c000561f56fb0b4da524548931da5f91a191425bea3cd49496a"`
[INFO] [stdout] 3d99cdeda0a34c000561f56fb0b4da524548931da5f91a191425bea3cd49496a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1bf5194d0b6a9cc77f0f70e56aac97e5080bc53b2633b62fac3ef7824d7fa7dc
[INFO] running `"docker" "start" "-a" "1bf5194d0b6a9cc77f0f70e56aac97e5080bc53b2633b62fac3ef7824d7fa7dc"`
[INFO] [stderr]    Compiling prefixopt_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/enum_data.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     .map(|id| id as &::std::fmt::Display)
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::fmt::Display)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "1bf5194d0b6a9cc77f0f70e56aac97e5080bc53b2633b62fac3ef7824d7fa7dc"`
[INFO] running `"docker" "rm" "-f" "1bf5194d0b6a9cc77f0f70e56aac97e5080bc53b2633b62fac3ef7824d7fa7dc"`
[INFO] [stdout] 1bf5194d0b6a9cc77f0f70e56aac97e5080bc53b2633b62fac3ef7824d7fa7dc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 0718f3cf153e9dbaeebfa81ac3d5298b5c913d2469e3a5da2709af17e6d466b8
[INFO] running `"docker" "start" "-a" "0718f3cf153e9dbaeebfa81ac3d5298b5c913d2469e3a5da2709af17e6d466b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prefixopt_derive-fcd41baf6b0daf4e
[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/example-881f2428e9b40794
[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/enums-b578a2921888a604
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test simple::test_unary_tuple ... ok
[INFO] [stdout] test simple::test_named_args_no_override ... ok
[INFO] [stdout] test simple::test_empty_tuple ... ok
[INFO] [stdout] test generics::generic_enum_named ... ok
[INFO] [stdout] test generics::generic_unary ... ok
[INFO] [stdout] test simple::test_named_args_default ... ok
[INFO] [stdout] test simple::test_unit ... ok
[INFO] [stdout] test generics::generic_other ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/structs-833371ee7a5f6666
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test generic_struct ... ok
[INFO] [stdout] test fail_parse ... ok
[INFO] [stdout] test named_struct ... ok
[INFO] [stdout] test named_tuple ... ok
[INFO] [stdout] test generic_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefixopt_derive
[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] running `"docker" "inspect" "0718f3cf153e9dbaeebfa81ac3d5298b5c913d2469e3a5da2709af17e6d466b8"`
[INFO] running `"docker" "rm" "-f" "0718f3cf153e9dbaeebfa81ac3d5298b5c913d2469e3a5da2709af17e6d466b8"`
[INFO] [stdout] 0718f3cf153e9dbaeebfa81ac3d5298b5c913d2469e3a5da2709af17e6d466b8