[INFO] crate arcon_codegen 0.1.4 is already in cache
[INFO] testing arcon_codegen-0.1.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate arcon_codegen 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate arcon_codegen 0.1.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arcon_codegen 0.1.4
[INFO] finished tweaking crates.io crate arcon_codegen 0.1.4
[INFO] tweaked toml for crates.io crate arcon_codegen 0.1.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] e410bb9b76eaeea3c32a9c04294d9acbd1d0457432d8b4d3e0c312e696f4418e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e410bb9b76eaeea3c32a9c04294d9acbd1d0457432d8b4d3e0c312e696f4418e"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
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[INFO] [stderr]    Compiling syn v1.0.17
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[INFO] [stderr]    Compiling synstructure v0.12.3
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[INFO] [stderr]    Compiling serde_derive v1.0.106
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[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.2.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]    Compiling arcon_spec v0.1.3
[INFO] [stderr]    Compiling structopt v0.3.13
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.8.2
[INFO] [stderr]    Compiling measureme v0.7.1
[INFO] [stderr]    Compiling rustc-ap-rustc_data_structures v654.0.0
[INFO] [stderr]    Compiling rustc-ap-arena v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_span v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_feature v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_errors v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_session v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast_pretty v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_attr v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_parse v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast_passes v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_expand v654.0.0
[INFO] [stderr]    Compiling arcon_codegen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:89:44
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 stream.push(source::source(&node.id, &previous_node, &source, &spec.id, spec.timestamp_extractor));
[INFO] [stderr]    |                                            ^^^^^^^^ expected `str`, found `u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&str`
[INFO] [stderr]               found reference `&u32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:92:40
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 stream.push(sink::sink(&node.id, &sink.sink_type, &sink.kind, &spec.id));
[INFO] [stderr]    |                                        ^^^^^^^^ expected `str`, found `u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&str`
[INFO] [stderr]               found reference `&u32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     &node.id,
[INFO] [stderr]    |                     ^^^^^^^^ expected `str`, found `u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&str`
[INFO] [stderr]               found reference `&u32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:104:44
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 stream.push(window::window(&node.id, &window, &spec.id));
[INFO] [stderr]     |                                            ^^^^^^^^ expected `str`, found `u32`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&str`
[INFO] [stderr]                found reference `&u32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:108:25
[INFO] [stderr]     |
[INFO] [stderr] 108 |         previous_node = node.id.clone();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         expected struct `std::string::String`, found `u32`
[INFO] [stderr]     |                         help: try using a conversion method: `node.id.to_string()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `arcon_codegen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e410bb9b76eaeea3c32a9c04294d9acbd1d0457432d8b4d3e0c312e696f4418e"`
[INFO] running `"docker" "rm" "-f" "e410bb9b76eaeea3c32a9c04294d9acbd1d0457432d8b4d3e0c312e696f4418e"`
[INFO] [stdout] e410bb9b76eaeea3c32a9c04294d9acbd1d0457432d8b4d3e0c312e696f4418e