[INFO] fetching crate lens 0.2.0...
[INFO] checking lens-0.2.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate lens 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lens 0.2.0
[INFO] finished tweaking crates.io crate lens 0.2.0
[INFO] tweaked toml for crates.io crate lens 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lens 0.2.0 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] crate crates.io crate lens 0.2.0 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f7bb18342c7e6908cae642f2cc6d57171d87f70f23ae6de8cb7fc1f556d7ef17
[INFO] running `Command { std: "docker" "start" "-a" "f7bb18342c7e6908cae642f2cc6d57171d87f70f23ae6de8cb7fc1f556d7ef17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7bb18342c7e6908cae642f2cc6d57171d87f70f23ae6de8cb7fc1f556d7ef17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7bb18342c7e6908cae642f2cc6d57171d87f70f23ae6de8cb7fc1f556d7ef17", kill_on_drop: false }`
[INFO] [stdout] f7bb18342c7e6908cae642f2cc6d57171d87f70f23ae6de8cb7fc1f556d7ef17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 14bceed5f4f84328324e9f57d973491ad702234b9331596caf62535d59ce5485
[INFO] running `Command { std: "docker" "start" "-a" "14bceed5f4f84328324e9f57d973491ad702234b9331596caf62535d59ce5485", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.39
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking clap v4.5.39
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive_flat_debug v0.1.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.8.0
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]    Compiling pest_meta v2.8.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling pest_generator v2.8.0
[INFO] [stderr]    Compiling pest_derive v2.8.0
[INFO] [stderr]     Checking lens v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hs::*`
[INFO] [stdout]    --> src/tokens/token.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | use hs::*;
[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: `super::error::TokenError`
[INFO] [stdout]    --> src/tokens/token.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | use super::error::TokenError;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/tokens/token.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/tokens/tokenizer.rs:410:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |                     panic!("filter_postfix is not supported yet: {:?}", pair);
[INFO] [stdout]     |                     --------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 410 |                     let mut inner = pair.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Fixity` is never constructed
[INFO] [stdout]    --> src/tokens/token.rs:215:16
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub struct Fixity {
[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: function `std_finity` is never used
[INFO] [stdout]    --> src/tokens/token.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn std_finity<'a>() -> Vec<(&'a str, Fixity)> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `assoc` and `precedence` are never read
[INFO] [stdout]    --> src/tokens/token.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub struct Fixity {
[INFO] [stdout]     |                ------ fields in this struct
[INFO] [stdout] 216 |         /// Left, Right, or None
[INFO] [stdout] 217 |         assoc: Assoc,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 218 |         precedence: u8,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FilterGroup` is never constructed
[INFO] [stdout]   --> src/tokens/tokenizer.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum ProcessingContext {
[INFO] [stdout]    |      ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 34 |     FilterGroup {
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessingContext` 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: function `extend_tokens` is never used
[INFO] [stdout]    --> src/tokens/tokenizer.rs:972:4
[INFO] [stdout]     |
[INFO] [stdout] 972 | fn extend_tokens(tokens: Vec<Token>, collected_tokens: &mut Vec<Token>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lens` (lib) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "14bceed5f4f84328324e9f57d973491ad702234b9331596caf62535d59ce5485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bceed5f4f84328324e9f57d973491ad702234b9331596caf62535d59ce5485", kill_on_drop: false }`
[INFO] [stdout] 14bceed5f4f84328324e9f57d973491ad702234b9331596caf62535d59ce5485
