[INFO] fetching crate arcon 0.2.1...
[INFO] testing arcon-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate arcon 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate arcon 0.2.1
[INFO] finished tweaking crates.io crate arcon 0.2.1
[INFO] tweaked toml for crates.io crate arcon 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arcon 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unexpected `cfg` condition value: `arcon_serde`
[INFO] [stdout]  --> src/util/prost_helpers.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature = "arcon_serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `allocator_metrics`, `default`, `futures`, `hardware_counters`, `hocon`, `kafka`, `metrics`, `metrics-exporter-prometheus`, `perf-event`, `prometheus_exporter`, `rdkafka`, `rocksdb`, `serde`, `serde_json`, `socket`, `state_metrics`, `tokio`, and `tokio-util`
[INFO] [stdout]   = help: consider adding `arcon_serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]    --> src/lib.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | mod data;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the name `data` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]    --> src/lib.rs:75:9
[INFO] [stdout]     |
[INFO] [stdout]  75 | pub use arcon_state::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]    --> src/lib.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | mod data;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/dataflow/builder.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub extractor: Arc<(dyn Fn(&T) -> u64 + Send + Sync)>,
[INFO] [stdout]     |                        ^                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -     pub extractor: Arc<(dyn Fn(&T) -> u64 + Send + Sync)>,
[INFO] [stdout] 112 +     pub extractor: Arc<dyn Fn(&T) -> u64 + Send + Sync >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/index/hash_table/bitmask.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(feature = "nightly")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `allocator_metrics`, `default`, `futures`, `hardware_counters`, `hocon`, `kafka`, `metrics`, `metrics-exporter-prometheus`, `perf-event`, `prometheus_exporter`, `rdkafka`, `rocksdb`, `serde`, `serde_json`, `socket`, `state_metrics`, `tokio`, and `tokio-util`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/index/hash_table/bitmask.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[cfg(feature = "nightly")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator_metrics`, `default`, `futures`, `hardware_counters`, `hocon`, `kafka`, `metrics`, `metrics-exporter-prometheus`, `perf-event`, `prometheus_exporter`, `rdkafka`, `rocksdb`, `serde`, `serde_json`, `socket`, `state_metrics`, `tokio`, and `tokio-util`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/index/hash_table/bitmask.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[cfg(not(feature = "nightly"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator_metrics`, `default`, `futures`, `hardware_counters`, `hocon`, `kafka`, `metrics`, `metrics-exporter-prometheus`, `perf-event`, `prometheus_exporter`, `rdkafka`, `rocksdb`, `serde`, `serde_json`, `socket`, `state_metrics`, `tokio`, and `tokio-util`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/dataflow/stream/filter.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/dataflow/stream/map.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/dataflow/stream/map.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/dataflow/stream/map.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/dataflow/stream/operator.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/dataflow/stream/partition.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new_v4` found for struct `Uuid` in the current scope
[INFO] [stdout]    --> src/dataflow/builder.rs:49:41
[INFO] [stdout]     |
[INFO] [stdout]  49 |             let unique_id = uuid::Uuid::new_v4().to_string();
[INFO] [stdout]     |                                         ^^^^^^ function or associated item not found in `Uuid`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Uuid` consider using one of the following associated functions:
[INFO] [stdout]       uuid::builder::<impl Uuid>::nil
[INFO] [stdout]       uuid::builder::<impl Uuid>::from_fields
[INFO] [stdout]       uuid::builder::<impl Uuid>::from_fields_le
[INFO] [stdout]       uuid::builder::<impl Uuid>::from_u128
[INFO] [stdout]       and 4 others
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/uuid-0.8.2/src/builder/mod.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout]  43 |       pub const fn nil() -> Self {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 | /     pub fn from_fields(
[INFO] [stdout]  71 | |         d1: u32,
[INFO] [stdout]  72 | |         d2: u16,
[INFO] [stdout]  73 | |         d3: u16,
[INFO] [stdout]  74 | |         d4: &[u8],
[INFO] [stdout]  75 | |     ) -> Result<Uuid, crate::Error> {
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 127 | /     pub fn from_fields_le(
[INFO] [stdout] 128 | |         d1: u32,
[INFO] [stdout] 129 | |         d2: u16,
[INFO] [stdout] 130 | |         d3: u16,
[INFO] [stdout] 131 | |         d4: &[u8],
[INFO] [stdout] 132 | |     ) -> Result<Uuid, crate::Error> {
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 162 |       pub const fn from_u128(v: u128) -> Self {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new_v4` found for struct `Uuid` in the current scope
[INFO] [stdout]    --> src/dataflow/conf.rs:119:52
[INFO] [stdout]     |
[INFO] [stdout] 119 |             name: format!("source_{}", uuid::Uuid::new_v4()),
[INFO] [stdout]     |                                                    ^^^^^^ function or associated item not found in `Uuid`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Uuid` consider using one of the following associated functions:
[INFO] [stdout]       uuid::builder::<impl Uuid>::nil
[INFO] [stdout]       uuid::builder::<impl Uuid>::from_fields
[INFO] [stdout]       uuid::builder::<impl Uuid>::from_fields_le
[INFO] [stdout]       uuid::builder::<impl Uuid>::from_u128
[INFO] [stdout]       and 4 others
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/uuid-0.8.2/src/builder/mod.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout]  43 |       pub const fn nil() -> Self {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 | /     pub fn from_fields(
[INFO] [stdout]  71 | |         d1: u32,
[INFO] [stdout]  72 | |         d2: u16,
[INFO] [stdout]  73 | |         d3: u16,
[INFO] [stdout]  74 | |         d4: &[u8],
[INFO] [stdout]  75 | |     ) -> Result<Uuid, crate::Error> {
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 127 | /     pub fn from_fields_le(
[INFO] [stdout] 128 | |         d1: u32,
[INFO] [stdout] 129 | |         d2: u16,
[INFO] [stdout] 130 | |         d3: u16,
[INFO] [stdout] 131 | |         d4: &[u8],
[INFO] [stdout] 132 | |     ) -> Result<Uuid, crate::Error> {
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 162 |       pub const fn from_u128(v: u128) -> Self {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `Err(kompact::prelude::SerError::ThirdParty { .. })` not covered
[INFO] [stdout]   --> src/stream/node/common.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |         match send(&channel, msg, cd) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^ pattern `Err(kompact::prelude::SerError::ThirdParty { .. })` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `std::result::Result<(), kompact::prelude::SerError>` defined here
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:557:0
[INFO] [stdout]   ::: /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:566:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: not covered
[INFO] [stdout]    = note: the matched value is of type `std::result::Result<(), kompact::prelude::SerError>`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 29 ~             Ok(_) => (),
[INFO] [stdout] 30 ~             Err(kompact::prelude::SerError::ThirdParty { .. }) => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arcon` (lib) due to 3 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "acb959e20ca9d48aa5e0fbf5e06167edc2de93e3b1c6602293323c54e67eb2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb959e20ca9d48aa5e0fbf5e06167edc2de93e3b1c6602293323c54e67eb2b3", kill_on_drop: false }`
[INFO] [stdout] acb959e20ca9d48aa5e0fbf5e06167edc2de93e3b1c6602293323c54e67eb2b3
