[INFO] fetching crate starlight 0.4.0...
[INFO] checking starlight-0.4.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate starlight 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate starlight 0.4.0
[INFO] finished tweaking crates.io crate starlight 0.4.0
[INFO] tweaked toml for crates.io crate starlight 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate starlight 0.4.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding awint v0.17.0 (available: v0.18.1)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding rand_xoshiro v0.6.0 (available: v0.8.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 551d94a21205dcd720622f4a5756044534153a498402ea0c331c68cad93b41ef
[INFO] running `Command { std: "docker" "start" "-a" "551d94a21205dcd720622f4a5756044534153a498402ea0c331c68cad93b41ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "551d94a21205dcd720622f4a5756044534153a498402ea0c331c68cad93b41ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551d94a21205dcd720622f4a5756044534153a498402ea0c331c68cad93b41ef", kill_on_drop: false }`
[INFO] [stdout] 551d94a21205dcd720622f4a5756044534153a498402ea0c331c68cad93b41ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d5beb8f65bff81ce2d66e9d1b96d5f16996957d5018ad43ca36be733f45ab86
[INFO] running `Command { std: "docker" "start" "-a" "1d5beb8f65bff81ce2d66e9d1b96d5f16996957d5018ad43ca36be733f45ab86", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling recasting v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling triple_arena v0.13.0
[INFO] [stderr]    Compiling awint_internals v0.17.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling awint_core v0.17.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling awint_ext v0.17.0
[INFO] [stderr]    Compiling awint_macro_internals v0.17.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling awint_macros v0.17.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking awint_dag v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking awint v0.17.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking starlight v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CostU8` is never constructed
[INFO] [stdout]   --> src/ensemble/optimize.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CostU8(pub u8);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CostU8` is never constructed
[INFO] [stdout]   --> src/ensemble/optimize.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CostU8(pub u8);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "1d5beb8f65bff81ce2d66e9d1b96d5f16996957d5018ad43ca36be733f45ab86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5beb8f65bff81ce2d66e9d1b96d5f16996957d5018ad43ca36be733f45ab86", kill_on_drop: false }`
[INFO] [stdout] 1d5beb8f65bff81ce2d66e9d1b96d5f16996957d5018ad43ca36be733f45ab86
