[INFO] fetching crate derive-dynamic-node 0.1.2...
[INFO] extracting crate derive-dynamic-node 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/derive-dynamic-node/0.1.2
[INFO] extracting crate derive-dynamic-node 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/derive-dynamic-node/0.1.2
[INFO] validating manifest of derive-dynamic-node-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of derive-dynamic-node-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing derive-dynamic-node-0.1.2
[INFO] finished frobbing derive-dynamic-node-0.1.2
[INFO] frobbed toml for derive-dynamic-node-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/derive-dynamic-node/0.1.2/Cargo.toml
[INFO] started frobbing derive-dynamic-node-0.1.2
[INFO] finished frobbing derive-dynamic-node-0.1.2
[INFO] frobbed toml for derive-dynamic-node-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/derive-dynamic-node/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grapl-graph-descriptions v0.1.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing derive-dynamic-node-0.1.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/derive-dynamic-node/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5dfc1db2faeb5213336a201bbb4aeeacbe94f1a7989c594b1dd69c25696875a4
[INFO] running `"docker" "start" "-a" "5dfc1db2faeb5213336a201bbb4aeeacbe94f1a7989c594b1dd69c25696875a4"`
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling typed-builder v0.1.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling prost v0.4.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling prost-build v0.4.0
[INFO] [stderr]    Compiling prost-derive v0.4.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling derive_more v0.10.0
[INFO] [stderr]    Compiling prost-types v0.4.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling grapl-graph-descriptions v0.1.1
[INFO] [stderr]    Compiling derive-dynamic-node v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ToTokens`
[INFO] [stderr]  --> src/lib.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | use quote::{quote, ToTokens};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeriveInput`, `parse_macro_input`
[INFO] [stderr]  --> src/lib.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use syn::{parse_macro_input, Data, DeriveInput, Field, Fields, Ident, Type};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `strategy_name`
[INFO] [stderr]    --> src/lib.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let strategy_name = syn::Ident::new(&strategy_name, struct_name.span());
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_strategy_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.40s
[INFO] running `"docker" "inspect" "5dfc1db2faeb5213336a201bbb4aeeacbe94f1a7989c594b1dd69c25696875a4"`
[INFO] running `"docker" "rm" "-f" "5dfc1db2faeb5213336a201bbb4aeeacbe94f1a7989c594b1dd69c25696875a4"`
[INFO] [stdout] 5dfc1db2faeb5213336a201bbb4aeeacbe94f1a7989c594b1dd69c25696875a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/derive-dynamic-node/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 341761b30f2503a5736c32a97b8ef9f6d10e5de7cbd1e14e77792f04b4821bd3
[INFO] running `"docker" "start" "-a" "341761b30f2503a5736c32a97b8ef9f6d10e5de7cbd1e14e77792f04b4821bd3"`
[INFO] [stderr]    Compiling derive-dynamic-node v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `graph_descriptions`
[INFO] [stderr]  --> examples/ex.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate graph_descriptions;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `derive-dynamic-node`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `ToTokens`
[INFO] [stderr]  --> src/lib.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | use quote::{quote, ToTokens};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeriveInput`, `parse_macro_input`
[INFO] [stderr]  --> src/lib.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use syn::{parse_macro_input, Data, DeriveInput, Field, Fields, Ident, Type};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `strategy_name`
[INFO] [stderr]    --> src/lib.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let strategy_name = syn::Ident::new(&strategy_name, struct_name.span());
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_strategy_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "341761b30f2503a5736c32a97b8ef9f6d10e5de7cbd1e14e77792f04b4821bd3"`
[INFO] running `"docker" "rm" "-f" "341761b30f2503a5736c32a97b8ef9f6d10e5de7cbd1e14e77792f04b4821bd3"`
[INFO] [stdout] 341761b30f2503a5736c32a97b8ef9f6d10e5de7cbd1e14e77792f04b4821bd3