[INFO] fetching crate smelt-frontend-py 0.1.1...
[INFO] checking smelt-frontend-py-0.1.1 against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] extracting crate smelt-frontend-py 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate smelt-frontend-py 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate smelt-frontend-py 0.1.1
[INFO] tweaked toml for crates.io crate smelt-frontend-py 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smelt-frontend-py 0.1.1 on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smelt-frontend-py 0.1.1 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 35c13cb6daaf324fa5bb7000b481cc27e6740d6719f7c8da81a7e31c35bbc362
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "35c13cb6daaf324fa5bb7000b481cc27e6740d6719f7c8da81a7e31c35bbc362" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c13cb6daaf324fa5bb7000b481cc27e6740d6719f7c8da81a7e31c35bbc362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "35c13cb6daaf324fa5bb7000b481cc27e6740d6719f7c8da81a7e31c35bbc362" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ty_python_semantic-0.0.4/src/types/call/bind.rs:5319:39
[INFO] [stdout]      |
[INFO] [stdout] 5306 | /          for (argument_index, adjusted_argument_index, argument, argument_types) in
[INFO] [stdout] 5307 | |              self.enumerate_argument_types()
[INFO] [stdout]      | |              -------------------------------
[INFO] [stdout]      | |              |
[INFO] [stdout]      | |              immutable borrow occurs here
[INFO] [stdout]      | |              immutable borrow later used here
[INFO] [stdout] 5308 | |          {
[INFO] [stdout] 5309 | |              let matched_parameters = &self.argument_matches[argument_index].parameters;
[INFO] [stdout] ...    |
[INFO] [stdout] 5319 | |                  Argument::Variadic => self.check_variadic_argument_type(
[INFO] [stdout]      | | _______________________________________^
[INFO] [stdout] 5320 | ||                     constraints,
[INFO] [stdout] 5321 | ||                     argument_index,
[INFO] [stdout] 5322 | ||                     adjusted_argument_index,
[INFO] [stdout] 5323 | ||                     argument,
[INFO] [stdout] 5324 | ||                     paramspec_component_start,
[INFO] [stdout] 5325 | ||                 ),
[INFO] [stdout]      | ||_________________^ mutable borrow occurs here
[INFO] [stdout] ...    |
[INFO] [stdout] 5357 | |          }
[INFO] [stdout]      | |__________- this for loop borrows `*self` immutably, preventing mutation within its body
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using an index-based loop instead, or collecting modifications into a separate collection
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ty_python_semantic-0.0.4/src/types/call/bind.rs:5326:39
[INFO] [stdout]      |
[INFO] [stdout] 5306 | /          for (argument_index, adjusted_argument_index, argument, argument_types) in
[INFO] [stdout] 5307 | |              self.enumerate_argument_types()
[INFO] [stdout]      | |              -------------------------------
[INFO] [stdout]      | |              |
[INFO] [stdout]      | |              immutable borrow occurs here
[INFO] [stdout]      | |              immutable borrow later used here
[INFO] [stdout] 5308 | |          {
[INFO] [stdout] 5309 | |              let matched_parameters = &self.argument_matches[argument_index].parameters;
[INFO] [stdout] ...    |
[INFO] [stdout] 5326 | |                  Argument::Keywords => self.check_keyword_variadic_argument_type(
[INFO] [stdout]      | | _______________________________________^
[INFO] [stdout] 5327 | ||                     constraints,
[INFO] [stdout] 5328 | ||                     argument_index,
[INFO] [stdout] 5329 | ||                     adjusted_argument_index,
[INFO] [stdout] ...    ||
[INFO] [stdout] 5332 | ||                     paramspec_component_start,
[INFO] [stdout] 5333 | ||                 ),
[INFO] [stdout]      | ||_________________^ mutable borrow occurs here
[INFO] [stdout] ...    |
[INFO] [stdout] 5357 | |          }
[INFO] [stdout]      | |__________- this for loop borrows `*self` immutably, preventing mutation within its body
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using an index-based loop instead, or collecting modifications into a separate collection
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ty_python_semantic-0.0.4/src/types/call/bind.rs:5346:25
[INFO] [stdout]      |
[INFO] [stdout] 5306 | /          for (argument_index, adjusted_argument_index, argument, argument_types) in
[INFO] [stdout] 5307 | |              self.enumerate_argument_types()
[INFO] [stdout]      | |              -------------------------------
[INFO] [stdout]      | |              |
[INFO] [stdout]      | |              immutable borrow occurs here
[INFO] [stdout]      | |              immutable borrow later used here
[INFO] [stdout] 5308 | |          {
[INFO] [stdout] 5309 | |              let matched_parameters = &self.argument_matches[argument_index].parameters;
[INFO] [stdout] ...    |
[INFO] [stdout] 5346 | |/                         self.check_argument_type(
[INFO] [stdout] 5347 | ||                             constraints,
[INFO] [stdout] 5348 | ||                             argument_index,
[INFO] [stdout] 5349 | ||                             adjusted_argument_index,
[INFO] [stdout] ...    ||
[INFO] [stdout] 5352 | ||                             matched_parameter,
[INFO] [stdout] 5353 | ||                         );
[INFO] [stdout]      | ||_________________________^ mutable borrow occurs here
[INFO] [stdout] ...    |
[INFO] [stdout] 5357 | |          }
[INFO] [stdout]      | |__________- this for loop borrows `*self` immutably, preventing mutation within its body
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using an index-based loop instead, or collecting modifications into a separate collection
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ty_python_semantic` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "35c13cb6daaf324fa5bb7000b481cc27e6740d6719f7c8da81a7e31c35bbc362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c13cb6daaf324fa5bb7000b481cc27e6740d6719f7c8da81a7e31c35bbc362", kill_on_drop: false }`
[INFO] [stdout] 35c13cb6daaf324fa5bb7000b481cc27e6740d6719f7c8da81a7e31c35bbc362
