[INFO] fetching crate swamp-analyzer 0.1.16...
[INFO] checking swamp-analyzer-0.1.16 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate swamp-analyzer 0.1.16 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate swamp-analyzer 0.1.16
[INFO] finished tweaking crates.io crate swamp-analyzer 0.1.16
[INFO] tweaked toml for crates.io crate swamp-analyzer 0.1.16 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swamp-analyzer 0.1.16 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swamp-analyzer 0.1.16 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swamp-modules v0.1.16
[INFO] [stderr]   Downloaded tiny-ver v0.1.2
[INFO] [stderr]   Downloaded seq-map v0.0.13
[INFO] [stderr]   Downloaded seq-set v0.0.2
[INFO] [stderr]   Downloaded source-map-cache v0.0.1
[INFO] [stderr]   Downloaded fixed32 v0.0.17
[INFO] [stderr]   Downloaded swamp-semantic v0.1.16
[INFO] [stderr]   Downloaded seq-fmt v0.0.1
[INFO] [stderr]   Downloaded source-map-node v0.0.1
[INFO] [stderr]   Downloaded swamp-types v0.1.16
[INFO] [stderr]   Downloaded swamp-ast v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64d6d32a9456c247c63149f98007c23c482990b7fea072cc12768378768edafe
[INFO] running `Command { std: "docker" "start" "-a" "64d6d32a9456c247c63149f98007c23c482990b7fea072cc12768378768edafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d6d32a9456c247c63149f98007c23c482990b7fea072cc12768378768edafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d6d32a9456c247c63149f98007c23c482990b7fea072cc12768378768edafe", kill_on_drop: false }`
[INFO] [stdout] 64d6d32a9456c247c63149f98007c23c482990b7fea072cc12768378768edafe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63c4cf87108a0abf452219f55b6a89f0d725f127f380b22c434d297549f8c53f
[INFO] running `Command { std: "docker" "start" "-a" "63c4cf87108a0abf452219f55b6a89f0d725f127f380b22c434d297549f8c53f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking seq-map v0.0.13
[INFO] [stderr]     Checking source-map-node v0.0.1
[INFO] [stderr]     Checking seq-fmt v0.0.1
[INFO] [stderr]     Checking tiny-ver v0.1.2
[INFO] [stderr]     Checking fixed32 v0.0.17
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]     Checking seq-set v0.0.2
[INFO] [stderr]     Checking swamp-ast v0.1.16
[INFO] [stderr]     Checking swamp-types v0.1.16
[INFO] [stderr]     Checking source-map-cache v0.0.1
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking swamp-semantic v0.1.16
[INFO] [stderr]     Checking swamp-modules v0.1.16
[INFO] [stderr]     Checking swamp-analyzer v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `resolved_return_type`
[INFO] [stdout]    --> src/def.rs:577:21
[INFO] [stdout]     |
[INFO] [stdout] 577 |                 let resolved_return_type = self.analyze_return_type(function)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolved_return_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resolved_return_type`
[INFO] [stdout]    --> src/def.rs:577:21
[INFO] [stdout]     |
[INFO] [stdout] 577 |                 let resolved_return_type = self.analyze_return_type(function)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolved_return_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resolved_field_name_node`
[INFO] [stdout]   --> src/structure.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 |         for (field_target_index, resolved_field_name_node, field_source_expression) in
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolved_field_name_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resolved_field_name_node`
[INFO] [stdout]   --> src/structure.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 |         for (field_target_index, resolved_field_name_node, field_source_expression) in
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolved_field_name_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resolved_node`
[INFO] [stdout]     --> src/lib.rs:1155:17
[INFO] [stdout]      |
[INFO] [stdout] 1155 |             let resolved_node = self.to_node(&force_mut.unwrap());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolved_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resolved_node`
[INFO] [stdout]     --> src/lib.rs:1155:17
[INFO] [stdout]      |
[INFO] [stdout] 1155 |             let resolved_node = self.to_node(&force_mut.unwrap());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolved_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "63c4cf87108a0abf452219f55b6a89f0d725f127f380b22c434d297549f8c53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c4cf87108a0abf452219f55b6a89f0d725f127f380b22c434d297549f8c53f", kill_on_drop: false }`
[INFO] [stdout] 63c4cf87108a0abf452219f55b6a89f0d725f127f380b22c434d297549f8c53f