[INFO] fetching crate rbe 0.3.1...
[INFO] checking rbe-0.3.1 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate rbe 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rbe 0.3.1
[INFO] finished tweaking crates.io crate rbe 0.3.1
[INFO] tweaked toml for crates.io crate rbe 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbe 0.3.1 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 rbe 0.3.1 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-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] 4188f64893c12aae79ea174adeb2a82780677124d74f32f7f71f940f045e5029
[INFO] running `Command { std: "docker" "start" "-a" "4188f64893c12aae79ea174adeb2a82780677124d74f32f7f71f940f045e5029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4188f64893c12aae79ea174adeb2a82780677124d74f32f7f71f940f045e5029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4188f64893c12aae79ea174adeb2a82780677124d74f32f7f71f940f045e5029", kill_on_drop: false }`
[INFO] [stdout] 4188f64893c12aae79ea174adeb2a82780677124d74f32f7f71f940f045e5029
[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] 0c1a011fd4d1cd2a07d16cd1aa1ee162e99fb11f5b8a90aa0e70956342bc5630
[INFO] running `Command { std: "docker" "start" "-a" "0c1a011fd4d1cd2a07d16cd1aa1ee162e99fb11f5b8a90aa0e70956342bc5630", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking winnow v0.7.15
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking hashbag v0.1.13
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking pretty v0.12.5
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking rand v0.9.4
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking toml v0.9.12+spec-1.1.0
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-test-macro v0.2.6
[INFO] [stderr]     Checking zerocopy v0.8.48
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rbe v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing-test v0.2.6
[INFO] [stdout] error: struct `Candidate` is never constructed
[INFO] [stdout]  --> src/candidate.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Candidate<K, V, R, Ctx>
[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] [stderr] error: could not compile `rbe` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0c1a011fd4d1cd2a07d16cd1aa1ee162e99fb11f5b8a90aa0e70956342bc5630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1a011fd4d1cd2a07d16cd1aa1ee162e99fb11f5b8a90aa0e70956342bc5630", kill_on_drop: false }`
[INFO] [stdout] 0c1a011fd4d1cd2a07d16cd1aa1ee162e99fb11f5b8a90aa0e70956342bc5630
