[INFO] cloning repository https://github.com/linclelinkpart5/sampara
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linclelinkpart5/sampara" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinclelinkpart5%2Fsampara", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinclelinkpart5%2Fsampara'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d13f80ea43933388f7867bc585401438980b257c
[INFO] checking linclelinkpart5/sampara against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinclelinkpart5%2Fsampara" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/linclelinkpart5/sampara
[INFO] finished tweaking git repo https://github.com/linclelinkpart5/sampara
[INFO] tweaked toml for git repo https://github.com/linclelinkpart5/sampara written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/linclelinkpart5/sampara 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 git repo https://github.com/linclelinkpart5/sampara 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-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd0f9427aa1217fc4e0e867d3cab39020761e5aa27d9c9761fe730777e2b9314
[INFO] running `Command { std: "docker" "start" "-a" "cd0f9427aa1217fc4e0e867d3cab39020761e5aa27d9c9761fe730777e2b9314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd0f9427aa1217fc4e0e867d3cab39020761e5aa27d9c9761fe730777e2b9314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0f9427aa1217fc4e0e867d3cab39020761e5aa27d9c9761fe730777e2b9314", kill_on_drop: false }`
[INFO] [stdout] cd0f9427aa1217fc4e0e867d3cab39020761e5aa27d9c9761fe730777e2b9314
[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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c2cdbe4a9feb13cf1c7529850ce86a32a7de3476cbf242946c07093baa4d09
[INFO] running `Command { std: "docker" "start" "-a" "95c2cdbe4a9feb13cf1c7529850ce86a32a7de3476cbf242946c07093baa4d09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking sampara v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Biquad` is never constructed
[INFO] [stdout]   --> src/biquad/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Biquad<S>
[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 `sampara` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "95c2cdbe4a9feb13cf1c7529850ce86a32a7de3476cbf242946c07093baa4d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c2cdbe4a9feb13cf1c7529850ce86a32a7de3476cbf242946c07093baa4d09", kill_on_drop: false }`
[INFO] [stdout] 95c2cdbe4a9feb13cf1c7529850ce86a32a7de3476cbf242946c07093baa4d09