[INFO] fetching crate asterix 0.2.5...
[INFO] checking asterix-0.2.5 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate asterix 0.2.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate asterix 0.2.5 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asterix 0.2.5
[INFO] finished tweaking crates.io crate asterix 0.2.5
[INFO] tweaked toml for crates.io crate asterix 0.2.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded asterix-derive v0.2.5
[INFO] [stderr]   Downloaded deku_derive v0.9.1
[INFO] [stderr]   Downloaded deku v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51eb89a73cda7adf65d94f682752ad5385105eda1d011580924508f3c129d824
[INFO] running `Command { std: "docker" "start" "-a" "51eb89a73cda7adf65d94f682752ad5385105eda1d011580924508f3c129d824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51eb89a73cda7adf65d94f682752ad5385105eda1d011580924508f3c129d824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51eb89a73cda7adf65d94f682752ad5385105eda1d011580924508f3c129d824", kill_on_drop: false }`
[INFO] [stdout] 51eb89a73cda7adf65d94f682752ad5385105eda1d011580924508f3c129d824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c046605d47ee11e5dd2010c3e94f2140f32288147f3b9d70ec9df09f01e5e8c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c046605d47ee11e5dd2010c3e94f2140f32288147f3b9d70ec9df09f01e5e8c5", 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]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]    Compiling darling_core v0.10.3
[INFO] [stderr]    Compiling asterix-derive v0.2.5
[INFO] [stderr]    Compiling darling_macro v0.10.3
[INFO] [stderr]    Compiling darling v0.10.3
[INFO] [stderr]    Compiling deku_derive v0.9.1
[INFO] [stdout] error: cannot construct `darling::ast::Fields<_>` with struct literal syntax due to inaccessible fields
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/deku_derive-0.9.1/src/lib.rs:55:60
[INFO] [stdout]    |
[INFO] [stdout] 55 |             ast::Data::Struct(fields) => ast::Data::Struct(ast::Fields {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot construct `darling::ast::Fields<_>` with struct literal syntax due to inaccessible fields
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/deku_derive-0.9.1/src/lib.rs:365:22
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let fields = ast::Fields {
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deku_derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c046605d47ee11e5dd2010c3e94f2140f32288147f3b9d70ec9df09f01e5e8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c046605d47ee11e5dd2010c3e94f2140f32288147f3b9d70ec9df09f01e5e8c5", kill_on_drop: false }`
[INFO] [stdout] c046605d47ee11e5dd2010c3e94f2140f32288147f3b9d70ec9df09f01e5e8c5