[INFO] fetching crate nyar-runtime 0.0.1...
[INFO] checking nyar-runtime-0.0.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate nyar-runtime 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nyar-runtime 0.0.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nyar-runtime 0.0.1
[INFO] finished tweaking crates.io crate nyar-runtime 0.0.1
[INFO] tweaked toml for crates.io crate nyar-runtime 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2231ba240f97639224200980336e1ead7b34d31cce252c48a8872ab4db12dc71
[INFO] running `Command { std: "docker" "start" "-a" "2231ba240f97639224200980336e1ead7b34d31cce252c48a8872ab4db12dc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2231ba240f97639224200980336e1ead7b34d31cce252c48a8872ab4db12dc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2231ba240f97639224200980336e1ead7b34d31cce252c48a8872ab4db12dc71", kill_on_drop: false }`
[INFO] [stdout] 2231ba240f97639224200980336e1ead7b34d31cce252c48a8872ab4db12dc71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 867c138bc166961d3e153209869694a5d3d80668b483fefb919378713b01cb3e
[INFO] running `Command { std: "docker" "start" "-a" "867c138bc166961d3e153209869694a5d3d80668b483fefb919378713b01cb3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking nyar-runtime v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/error/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     kind: Box<ErrorKind>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/function/prototype.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub(crate) name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `modifiers`
[INFO] [stdout]   --> src/function/prototype.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) modifiers: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `with_self`
[INFO] [stdout]   --> src/function/prototype.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub(crate) with_self: Argument,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `generic`
[INFO] [stdout]   --> src/function/prototype.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub(crate) generic: Vec<Statement>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arguments`
[INFO] [stdout]   --> src/function/prototype.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) arguments: IndexMap<String, Argument>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position_only`
[INFO] [stdout]   --> src/function/prototype.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub(crate) position_only: Option<IndexMap<String, Argument>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keywords_only`
[INFO] [stdout]   --> src/function/prototype.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub(crate) keywords_only: Option<IndexMap<String, Argument>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `collect_list`
[INFO] [stdout]   --> src/function/prototype.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(crate) collect_list: Option<(String, Typing)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `collect_dict`
[INFO] [stdout]   --> src/function/prototype.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub(crate) collect_dict: Option<(String, Typing)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `return_type`
[INFO] [stdout]   --> src/function/prototype.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub(crate) return_type: Typing,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `effects`
[INFO] [stdout]   --> src/function/prototype.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) effects: IndexMap<String, Rc<EffectHandler>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `where_bounds`
[INFO] [stdout]   --> src/function/prototype.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) where_bounds: Vec<Statement>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]   --> src/function/prototype.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub(crate) body: Statement,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `effects`
[INFO] [stdout]   --> src/function/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     effects: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/error/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     kind: Box<ErrorKind>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/function/prototype.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub(crate) name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `modifiers`
[INFO] [stdout]   --> src/function/prototype.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) modifiers: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `with_self`
[INFO] [stdout]   --> src/function/prototype.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub(crate) with_self: Argument,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `generic`
[INFO] [stdout]   --> src/function/prototype.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub(crate) generic: Vec<Statement>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arguments`
[INFO] [stdout]   --> src/function/prototype.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) arguments: IndexMap<String, Argument>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position_only`
[INFO] [stdout]   --> src/function/prototype.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub(crate) position_only: Option<IndexMap<String, Argument>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keywords_only`
[INFO] [stdout]   --> src/function/prototype.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub(crate) keywords_only: Option<IndexMap<String, Argument>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `collect_list`
[INFO] [stdout]   --> src/function/prototype.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(crate) collect_list: Option<(String, Typing)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `collect_dict`
[INFO] [stdout]   --> src/function/prototype.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub(crate) collect_dict: Option<(String, Typing)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `return_type`
[INFO] [stdout]   --> src/function/prototype.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub(crate) return_type: Typing,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `effects`
[INFO] [stdout]   --> src/function/prototype.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) effects: IndexMap<String, Rc<EffectHandler>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `where_bounds`
[INFO] [stdout]   --> src/function/prototype.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) where_bounds: Vec<Statement>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]   --> src/function/prototype.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub(crate) body: Statement,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `effects`
[INFO] [stdout]   --> src/function/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     effects: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "867c138bc166961d3e153209869694a5d3d80668b483fefb919378713b01cb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867c138bc166961d3e153209869694a5d3d80668b483fefb919378713b01cb3e", kill_on_drop: false }`
[INFO] [stdout] 867c138bc166961d3e153209869694a5d3d80668b483fefb919378713b01cb3e