[INFO] fetching crate crush-frontend 0.4.0...
[INFO] checking crush-frontend-0.4.0 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate crush-frontend 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate crush-frontend 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate crush-frontend 0.4.0
[INFO] tweaked toml for crates.io crate crush-frontend 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crush-frontend 0.4.0 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crush-frontend 0.4.0 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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | homepage = "https://github.com/nixpt/crush-ast"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 | repository = "https://github.com/nixpt/crush-ast"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `crush-frontend` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9
[INFO] running `Command { std: "docker" "start" "99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9", 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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9", 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" "99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | homepage = "https://github.com/nixpt/crush-ast"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 | repository = "https://github.com/nixpt/crush-ast"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `crush-frontend` (manifest) generated 1 warning
[INFO] [stderr]     Checking regex-automata v0.4.15
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]    Compiling crush-vm v0.4.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]     Checking getrandom v0.4.3
[INFO] [stderr]    Compiling crush-cast v0.4.0
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking uuid v1.23.5
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stderr]     Checking regex v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zerocopy-derive v0.8.54
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking zerocopy v0.8.54
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking crush-errors v0.4.0
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]     Checking crush-diagnostics v0.4.0
[INFO] [stderr]     Checking caison v0.1.0
[INFO] [stderr]     Checking cbor4ii v0.3.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking casm v0.4.0
[INFO] [stderr]     Checking crush-caison v0.4.0
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking crush-index v0.4.0
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking crush-frontend v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CaisonKey`
[INFO] [stdout]  --> src/cson_desugar.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crush_cast::caison::{CaisonKey, CaisonNode, CaisonValue};
[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: `CaisonKey`
[INFO] [stdout]  --> src/parser/cson.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crush_cast::caison::{CaisonDocument, CaisonKey, CaisonNode, CaisonValue};
[INFO] [stdout]   |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/cson.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut annotations = Vec::new();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/render.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Statement::Assign { target, value, .. } => {
[INFO] [stdout]     |             --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 145 |             Statement::Assign { target, value, .. } => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/semantics.rs:678:37
[INFO] [stdout]     |
[INFO] [stdout] 678 |                 Statement::Assign { target, value, .. } => {
[INFO] [stdout]     |                                     ^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/semantics.rs:679:25
[INFO] [stdout]     |
[INFO] [stdout] 679 |                     let ty = self.check_expr(value)?;
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str` crush_frontend
[INFO] [stdout]   --> src/mutation_check.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   code: "E-MUT-001".into(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 46 -                             code: "E-MUT-001".into(),
[INFO] [stdout] 46 +                             code: "E-MUT-001",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 46 -                             code: "E-MUT-001".into(),
[INFO] [stdout] 46 +                             code: <&str as Into<_>>::into("E-MUT-001"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str` crush_frontend
[INFO] [stdout]   --> src/mutation_check.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   code: "E-MUT-002".into(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 72 -                             code: "E-MUT-002".into(),
[INFO] [stdout] 72 +                             code: "E-MUT-002",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 72 -                             code: "E-MUT-002".into(),
[INFO] [stdout] 72 +                             code: <&str as Into<_>>::into("E-MUT-002"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crush-frontend` (lib) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `CaisonKey`
[INFO] [stdout]  --> src/cson_desugar.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crush_cast::caison::{CaisonKey, CaisonNode, CaisonValue};
[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: `CaisonKey`
[INFO] [stdout]  --> src/parser/cson.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crush_cast::caison::{CaisonDocument, CaisonKey, CaisonNode, CaisonValue};
[INFO] [stdout]   |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/cson.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut annotations = Vec::new();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/render.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Statement::Assign { target, value, .. } => {
[INFO] [stdout]     |             --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 145 |             Statement::Assign { target, value, .. } => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/semantics.rs:678:37
[INFO] [stdout]     |
[INFO] [stdout] 678 |                 Statement::Assign { target, value, .. } => {
[INFO] [stdout]     |                                     ^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/semantics.rs:679:25
[INFO] [stdout]     |
[INFO] [stdout] 679 |                     let ty = self.check_expr(value)?;
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str` crush_frontend
[INFO] [stdout]   --> src/mutation_check.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   code: "E-MUT-001".into(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 46 -                             code: "E-MUT-001".into(),
[INFO] [stdout] 46 +                             code: "E-MUT-001",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 46 -                             code: "E-MUT-001".into(),
[INFO] [stdout] 46 +                             code: <&str as Into<_>>::into("E-MUT-001"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str` crush_frontend
[INFO] [stdout]   --> src/mutation_check.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   code: "E-MUT-002".into(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 72 -                             code: "E-MUT-002".into(),
[INFO] [stdout] 72 +                             code: "E-MUT-002",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 72 -                             code: "E-MUT-002".into(),
[INFO] [stdout] 72 +                             code: <&str as Into<_>>::into("E-MUT-002"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crush-frontend` (lib test) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9", kill_on_drop: false }`
[INFO] [stdout] 99ace5489928e87760791e1f0791b5c7689a12c6afe9ba86f1682037818820a9
