[INFO] fetching crate li_rbe 0.2.14...
[INFO] checking li_rbe-0.2.14 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate li_rbe 0.2.14 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate li_rbe 0.2.14
[INFO] finished tweaking crates.io crate li_rbe 0.2.14
[INFO] tweaked toml for crates.io crate li_rbe 0.2.14 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate li_rbe 0.2.14 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate li_rbe 0.2.14 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f279256752b971b7a23db7fb3d188341173e0e3ae24343f0898242718323adfe
[INFO] running `Command { std: "docker" "start" "-a" "f279256752b971b7a23db7fb3d188341173e0e3ae24343f0898242718323adfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f279256752b971b7a23db7fb3d188341173e0e3ae24343f0898242718323adfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f279256752b971b7a23db7fb3d188341173e0e3ae24343f0898242718323adfe", kill_on_drop: false }`
[INFO] [stdout] f279256752b971b7a23db7fb3d188341173e0e3ae24343f0898242718323adfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd4e2f358c175b505a2f20b1de1bb64a36bdcfebd3f5c7a32266b4f41b7bed4a
[INFO] running `Command { std: "docker" "start" "-a" "cd4e2f358c175b505a2f20b1de1bb64a36bdcfebd3f5c7a32266b4f41b7bed4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking winnow v1.0.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking winnow v0.7.15
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking hashbag v0.1.13
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-test-macro v0.2.6
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking pretty v0.12.5
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking toml v0.9.12+spec-1.1.0
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking li_rbe v0.2.14 (/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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `li_rbe` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `li_rbe` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cd4e2f358c175b505a2f20b1de1bb64a36bdcfebd3f5c7a32266b4f41b7bed4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4e2f358c175b505a2f20b1de1bb64a36bdcfebd3f5c7a32266b4f41b7bed4a", kill_on_drop: false }`
[INFO] [stdout] cd4e2f358c175b505a2f20b1de1bb64a36bdcfebd3f5c7a32266b4f41b7bed4a
