[INFO] fetching crate refloctopus 0.0.1...
[INFO] testing refloctopus-0.0.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate refloctopus 0.0.1 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate refloctopus 0.0.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding erased-serde v0.3.31 (available: v0.4.8)
[INFO] [stderr]       Adding memoffset v0.6.5 (available: v0.9.1)
[INFO] [stderr]       Adding proptest v0.10.1 (available: v1.8.0)
[INFO] [stderr]       Adding proptest-derive v0.2.0 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] [stderr]   Downloaded refloctopus-derive v0.0.1
[INFO] [stderr]   Downloaded slice-dst v1.6.0
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded erasable v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0de33f1e3aaaca52e196f4947cdc776f8c54451c4a55b17eb01d6d3f75a94823
[INFO] running `Command { std: "docker" "start" "-a" "0de33f1e3aaaca52e196f4947cdc776f8c54451c4a55b17eb01d6d3f75a94823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de33f1e3aaaca52e196f4947cdc776f8c54451c4a55b17eb01d6d3f75a94823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de33f1e3aaaca52e196f4947cdc776f8c54451c4a55b17eb01d6d3f75a94823", kill_on_drop: false }`
[INFO] [stdout] 0de33f1e3aaaca52e196f4947cdc776f8c54451c4a55b17eb01d6d3f75a94823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf2ce3aa4ed24ef8f9d1ecc24525c6812fd62b2ce1a060c59ff43b0c159e589a
[INFO] running `Command { std: "docker" "start" "-a" "cf2ce3aa4ed24ef8f9d1ecc24525c6812fd62b2ce1a060c59ff43b0c159e589a", kill_on_drop: false }`
[INFO] [stderr]    Compiling erasable v1.3.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling slice-dst v1.6.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling erased-serde v0.3.31
[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/index.crates.io-1949cf8c6b5b557f/refloctopus-derive-0.0.1/src/lib.rs:210:24
[INFO] [stdout]     |
[INFO] [stdout] 210 |             syn::Type::__Nonexhaustive => unreachable!(),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ variant or associated item not found in `syn::Type`
[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` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cf2ce3aa4ed24ef8f9d1ecc24525c6812fd62b2ce1a060c59ff43b0c159e589a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2ce3aa4ed24ef8f9d1ecc24525c6812fd62b2ce1a060c59ff43b0c159e589a", kill_on_drop: false }`
[INFO] [stdout] cf2ce3aa4ed24ef8f9d1ecc24525c6812fd62b2ce1a060c59ff43b0c159e589a