[INFO] fetching crate flowc 0.142.0...
[INFO] checking flowc-0.142.0 against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] extracting crate flowc 0.142.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate flowc 0.142.0
[INFO] finished tweaking crates.io crate flowc 0.142.0
[INFO] tweaked toml for crates.io crate flowc 0.142.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flowc 0.142.0 on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flowc 0.142.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9873707be706acb8c9ea01f7d3d100b1db18920b1cdc4550b3797f26cc912bb3
[INFO] running `Command { std: "docker" "start" "-a" "9873707be706acb8c9ea01f7d3d100b1db18920b1cdc4550b3797f26cc912bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9873707be706acb8c9ea01f7d3d100b1db18920b1cdc4550b3797f26cc912bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9873707be706acb8c9ea01f7d3d100b1db18920b1cdc4550b3797f26cc912bb3", kill_on_drop: false }`
[INFO] [stdout] 9873707be706acb8c9ea01f7d3d100b1db18920b1cdc4550b3797f26cc912bb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a2a7a876d6c0653679a772346d30c4e1e4d3480d25160551c11122cadd46bf9
[INFO] running `Command { std: "docker" "start" "-a" "4a2a7a876d6c0653679a772346d30c4e1e4d3480d25160551c11122cadd46bf9", kill_on_drop: false }`
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[INFO] [stderr]     Checking flowc v0.142.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/lib/errors.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / error_chain! {
[INFO] [stdout]  8 | |     types {
[INFO] [stdout]  9 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[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]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/lib/errors.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / error_chain! {
[INFO] [stdout]  8 | |     types {
[INFO] [stdout]  9 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[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]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib/compiler/gatherer.rs:116:30
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   .chain_err(|| format!("Incompatible types in collapsed connection from '{}' to '{}'",
[INFO] [stdout]     |                        ^^^^^^^^^ multiple `chain_err` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `errors::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]    --> src/lib/errors.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | / error_chain! {
[INFO] [stdout]   8 | |     types {
[INFO] [stdout]   9 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...   |
[INFO] [stdout]  18 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `flowcore::errors::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]     = note: this error originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 114 ~                         errors::ResultExt::chain_err(DataType::compatible_types(collapsed_connection.from_io().datatypes(),
[INFO] [stdout] 115 +                         collapsed_connection.to_io().datatypes(), &source_subroute), || format!("Incompatible types in collapsed connection from '{}' to '{}'",
[INFO] [stdout] 116 ~                             collapsed_connection.from_io().route(), collapsed_connection.to_io().route()))?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 114 ~                         flowcore::errors::ResultExt::chain_err(DataType::compatible_types(collapsed_connection.from_io().datatypes(),
[INFO] [stdout] 115 +                         collapsed_connection.to_io().datatypes(), &source_subroute), || format!("Incompatible types in collapsed connection from '{}' to '{}'",
[INFO] [stdout] 116 ~                             collapsed_connection.from_io().route(), collapsed_connection.to_io().route()))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib/compiler/gatherer.rs:116:30
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   .chain_err(|| format!("Incompatible types in collapsed connection from '{}' to '{}'",
[INFO] [stdout]     |                        ^^^^^^^^^ multiple `chain_err` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `errors::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]    --> src/lib/errors.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | / error_chain! {
[INFO] [stdout]   8 | |     types {
[INFO] [stdout]   9 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...   |
[INFO] [stdout]  18 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `flowcore::errors::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]     = note: this error originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 114 ~                         errors::ResultExt::chain_err(DataType::compatible_types(collapsed_connection.from_io().datatypes(),
[INFO] [stdout] 115 +                         collapsed_connection.to_io().datatypes(), &source_subroute), || format!("Incompatible types in collapsed connection from '{}' to '{}'",
[INFO] [stdout] 116 ~                             collapsed_connection.from_io().route(), collapsed_connection.to_io().route()))?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 114 ~                         flowcore::errors::ResultExt::chain_err(DataType::compatible_types(collapsed_connection.from_io().datatypes(),
[INFO] [stdout] 115 +                         collapsed_connection.to_io().datatypes(), &source_subroute), || format!("Incompatible types in collapsed connection from '{}' to '{}'",
[INFO] [stdout] 116 ~                             collapsed_connection.from_io().route(), collapsed_connection.to_io().route()))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib/compiler/gatherer.rs:294:18
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 .chain_err(|| format!("Failed to connect '{}{sub_route}' to '{}' due to incompatible types",
[INFO] [stdout]     |                  ^^^^^^^^^ multiple `chain_err` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `errors::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]    --> src/lib/errors.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | / error_chain! {
[INFO] [stdout]   8 | |     types {
[INFO] [stdout]   9 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...   |
[INFO] [stdout]  18 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `flowcore::errors::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]     = note: this error originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 293 ~             errors::ResultExt::chain_err(DataType::compatible_types(from_io.datatypes(), destination_io.datatypes(), sub_route), || format!("Failed to connect '{}{sub_route}' to '{}' due to incompatible types",
[INFO] [stdout] 294 ~                 from_io.route(), destination_io.route()))?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 293 ~             flowcore::errors::ResultExt::chain_err(DataType::compatible_types(from_io.datatypes(), destination_io.datatypes(), sub_route), || format!("Failed to connect '{}{sub_route}' to '{}' due to incompatible types",
[INFO] [stdout] 294 ~                 from_io.route(), destination_io.route()))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib/compiler/gatherer.rs:294:18
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 .chain_err(|| format!("Failed to connect '{}{sub_route}' to '{}' due to incompatible types",
[INFO] [stdout]     |                  ^^^^^^^^^ multiple `chain_err` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `errors::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]    --> src/lib/errors.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | / error_chain! {
[INFO] [stdout]   8 | |     types {
[INFO] [stdout]   9 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...   |
[INFO] [stdout]  18 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `flowcore::errors::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]     = note: this error originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 293 ~             errors::ResultExt::chain_err(DataType::compatible_types(from_io.datatypes(), destination_io.datatypes(), sub_route), || format!("Failed to connect '{}{sub_route}' to '{}' due to incompatible types",
[INFO] [stdout] 294 ~                 from_io.route(), destination_io.route()))?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 293 ~             flowcore::errors::ResultExt::chain_err(DataType::compatible_types(from_io.datatypes(), destination_io.datatypes(), sub_route), || format!("Failed to connect '{}{sub_route}' to '{}' due to incompatible types",
[INFO] [stdout] 294 ~                 from_io.route(), destination_io.route()))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flowc` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flowc` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4a2a7a876d6c0653679a772346d30c4e1e4d3480d25160551c11122cadd46bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2a7a876d6c0653679a772346d30c4e1e4d3480d25160551c11122cadd46bf9", kill_on_drop: false }`
[INFO] [stdout] 4a2a7a876d6c0653679a772346d30c4e1e4d3480d25160551c11122cadd46bf9
