[INFO] fetching crate katachi_core 0.0.0...
[INFO] checking katachi_core-0.0.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate katachi_core 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate katachi_core 0.0.0
[INFO] finished tweaking crates.io crate katachi_core 0.0.0
[INFO] tweaked toml for crates.io crate katachi_core 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate katachi_core 0.0.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ac6ce4bd82b13f9e0087654dfaff9c179323eaf1595a26cb43be75e93c6ebe2
[INFO] running `Command { std: "docker" "start" "-a" "3ac6ce4bd82b13f9e0087654dfaff9c179323eaf1595a26cb43be75e93c6ebe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac6ce4bd82b13f9e0087654dfaff9c179323eaf1595a26cb43be75e93c6ebe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac6ce4bd82b13f9e0087654dfaff9c179323eaf1595a26cb43be75e93c6ebe2", kill_on_drop: false }`
[INFO] [stdout] 3ac6ce4bd82b13f9e0087654dfaff9c179323eaf1595a26cb43be75e93c6ebe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3069a6f36c147b06c8ad8f60ce440a07bcdb35f937cc39c7ec1a867f55f7b2
[INFO] running `Command { std: "docker" "start" "-a" "ce3069a6f36c147b06c8ad8f60ce440a07bcdb35f937cc39c7ec1a867f55f7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking lasso v0.7.3
[INFO] [stderr]    Compiling easy_from v0.0.0
[INFO] [stderr]     Checking katachi_core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `easy_from::EasyFrom`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use easy_from::EasyFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `easy_from::EasyFrom`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use easy_from::EasyFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]    --> src/katachi.rs:459:2
[INFO] [stdout]     |
[INFO] [stdout] 459 |     scope: &mut Scope,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arena`
[INFO] [stdout]    --> src/katachi.rs:460:2
[INFO] [stdout]     |
[INFO] [stdout] 460 |     arena: &Forms,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/katachi.rs:461:2
[INFO] [stdout]     |
[INFO] [stdout] 461 |     stack: &EvalStack,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Arg` is never constructed
[INFO] [stdout]    --> src/katachi.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Arg {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `eval_stack` and `error` are never read
[INFO] [stdout]    --> src/katachi.rs:182:2
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct EvalError {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 182 |     eval_stack: EvalStack,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 183 |     error:      EvalErrorKind,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `type_`, and `default_value` are never read
[INFO] [stdout]    --> src/katachi.rs:236:2
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Arg {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 236 |     name:          StrID,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 237 |     type_:         Type,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 238 |     default_value: Option<Value>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Arg` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_with_parent` is never used
[INFO] [stdout]    --> src/katachi.rs:335:5
[INFO] [stdout]     |
[INFO] [stdout] 327 | impl<'parent> Scope<'parent> {
[INFO] [stdout]     | ---------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn new_with_parent(parent: &'parent Scope) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PrettyPrintSyntaxError` is never constructed
[INFO] [stdout]    --> src/syn.rs:747:12
[INFO] [stdout]     |
[INFO] [stdout] 747 | pub struct PrettyPrintSyntaxError<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Never` is never used
[INFO] [stdout]  --> src/util.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Never {}
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `katachi_core` (lib) due to 2 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]    --> src/katachi.rs:459:2
[INFO] [stdout]     |
[INFO] [stdout] 459 |     scope: &mut Scope,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arena`
[INFO] [stdout]    --> src/katachi.rs:460:2
[INFO] [stdout]     |
[INFO] [stdout] 460 |     arena: &Forms,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/katachi.rs:461:2
[INFO] [stdout]     |
[INFO] [stdout] 461 |     stack: &EvalStack,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schema`
[INFO] [stdout]    --> src/katachi.rs:591:7
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let schema = schema.as_struct().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]    --> src/katachi.rs:608:7
[INFO] [stdout]     |
[INFO] [stdout] 608 |         let user = user.as_struct().unwrap();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Arg` is never constructed
[INFO] [stdout]    --> src/katachi.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Arg {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `eval_stack` and `error` are never read
[INFO] [stdout]    --> src/katachi.rs:182:2
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct EvalError {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 182 |     eval_stack: EvalStack,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 183 |     error:      EvalErrorKind,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `type_`, and `default_value` are never read
[INFO] [stdout]    --> src/katachi.rs:236:2
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Arg {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 236 |     name:          StrID,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 237 |     type_:         Type,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 238 |     default_value: Option<Value>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Arg` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_with_parent` is never used
[INFO] [stdout]    --> src/katachi.rs:335:5
[INFO] [stdout]     |
[INFO] [stdout] 327 | impl<'parent> Scope<'parent> {
[INFO] [stdout]     | ---------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn new_with_parent(parent: &'parent Scope) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PrettyPrintSyntaxError` is never constructed
[INFO] [stdout]    --> src/syn.rs:747:12
[INFO] [stdout]     |
[INFO] [stdout] 747 | pub struct PrettyPrintSyntaxError<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Never` is never used
[INFO] [stdout]  --> src/util.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Never {}
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `katachi_core` (lib test) due to 2 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ce3069a6f36c147b06c8ad8f60ce440a07bcdb35f937cc39c7ec1a867f55f7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3069a6f36c147b06c8ad8f60ce440a07bcdb35f937cc39c7ec1a867f55f7b2", kill_on_drop: false }`
[INFO] [stdout] ce3069a6f36c147b06c8ad8f60ce440a07bcdb35f937cc39c7ec1a867f55f7b2
