[INFO] fetching crate pq-kem-combiner 0.0.1...
[INFO] testing pq-kem-combiner-0.0.1 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate pq-kem-combiner 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pq-kem-combiner 0.0.1
[INFO] finished tweaking crates.io crate pq-kem-combiner 0.0.1
[INFO] tweaked toml for crates.io crate pq-kem-combiner 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pq-kem-combiner 0.0.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pq-kem-combiner 0.0.1 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaa4fcf1ce479e547401e002c2dd3cdd6710d19d224390cbc843670eba0fd7c6
[INFO] running `Command { std: "docker" "start" "-a" "eaa4fcf1ce479e547401e002c2dd3cdd6710d19d224390cbc843670eba0fd7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa4fcf1ce479e547401e002c2dd3cdd6710d19d224390cbc843670eba0fd7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa4fcf1ce479e547401e002c2dd3cdd6710d19d224390cbc843670eba0fd7c6", kill_on_drop: false }`
[INFO] [stdout] eaa4fcf1ce479e547401e002c2dd3cdd6710d19d224390cbc843670eba0fd7c6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70877ad726f22166c14a182d5b70009dc240f427663ebdef9b20dc9333d600da
[INFO] running `Command { std: "docker" "start" "-a" "70877ad726f22166c14a182d5b70009dc240f427663ebdef9b20dc9333d600da", kill_on_drop: false }`
[INFO] [stderr]    Compiling pq-kem-combiner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "70877ad726f22166c14a182d5b70009dc240f427663ebdef9b20dc9333d600da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70877ad726f22166c14a182d5b70009dc240f427663ebdef9b20dc9333d600da", kill_on_drop: false }`
[INFO] [stdout] 70877ad726f22166c14a182d5b70009dc240f427663ebdef9b20dc9333d600da
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4287f866316e103af6c3092786666de882a8bb82fc179a77713711272a2cc90
[INFO] running `Command { std: "docker" "start" "-a" "d4287f866316e103af6c3092786666de882a8bb82fc179a77713711272a2cc90", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/pq-kem-combiner-64c08d22def96d78`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "d4287f866316e103af6c3092786666de882a8bb82fc179a77713711272a2cc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4287f866316e103af6c3092786666de882a8bb82fc179a77713711272a2cc90", kill_on_drop: false }`
[INFO] [stdout] d4287f866316e103af6c3092786666de882a8bb82fc179a77713711272a2cc90