[INFO] fetching crate refloctopus 0.0.1...
[INFO] testing refloctopus-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate refloctopus 0.0.1 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate refloctopus 0.0.1 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 refloctopus 0.0.1
[INFO] finished tweaking crates.io crate refloctopus 0.0.1
[INFO] tweaked toml for crates.io crate refloctopus 0.0.1 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] [stderr]   Downloaded erased-serde v0.3.16
[INFO] [stderr]   Downloaded refloctopus-derive v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 0ef9776849b1dd10d264745ac3656c1ce5d3fce3bf413a2edee5808118bdce46
[INFO] running `Command { std: "docker" "start" "-a" "0ef9776849b1dd10d264745ac3656c1ce5d3fce3bf413a2edee5808118bdce46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef9776849b1dd10d264745ac3656c1ce5d3fce3bf413a2edee5808118bdce46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef9776849b1dd10d264745ac3656c1ce5d3fce3bf413a2edee5808118bdce46", kill_on_drop: false }`
[INFO] [stdout] 0ef9776849b1dd10d264745ac3656c1ce5d3fce3bf413a2edee5808118bdce46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 0128ea2a74d3d808ac86d182861f2eb666fc478fc756b498b2a940520a2a0aa2
[INFO] running `Command { std: "docker" "start" "-a" "0128ea2a74d3d808ac86d182861f2eb666fc478fc756b498b2a940520a2a0aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]    Compiling slice-dst v1.5.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling refloctopus-derive v0.0.1
[INFO] [stdout] error[E0599]: no variant or associated item named `__Nonexhaustive` found for enum `syn::Type` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/refloctopus-derive-0.0.1/src/lib.rs:210:24
[INFO] [stdout]     |
[INFO] [stdout] 210 |             syn::Type::__Nonexhaustive => unreachable!(),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        variant or associated item not found in `syn::Type`
[INFO] [stdout]     |                        help: there is a variant with a similar name: `__TestExhaustive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `refloctopus-derive` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0128ea2a74d3d808ac86d182861f2eb666fc478fc756b498b2a940520a2a0aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0128ea2a74d3d808ac86d182861f2eb666fc478fc756b498b2a940520a2a0aa2", kill_on_drop: false }`
[INFO] [stdout] 0128ea2a74d3d808ac86d182861f2eb666fc478fc756b498b2a940520a2a0aa2