[INFO] fetching crate specimen__multistringmap 0.1.0...
[INFO] testing specimen__multistringmap-0.1.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate specimen__multistringmap 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate specimen__multistringmap 0.1.0
[INFO] finished tweaking crates.io crate specimen__multistringmap 0.1.0
[INFO] tweaked toml for crates.io crate specimen__multistringmap 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate specimen__multistringmap 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-6-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] testing specimen__multistringmap-0.1.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate specimen__multistringmap 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate specimen__multistringmap 0.1.0
[INFO] finished tweaking crates.io crate specimen__multistringmap 0.1.0
[INFO] tweaked toml for crates.io crate specimen__multistringmap 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate specimen__multistringmap 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-6-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] testing specimen__multistringmap-0.1.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate specimen__multistringmap 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate specimen__multistringmap 0.1.0
[INFO] finished tweaking crates.io crate specimen__multistringmap 0.1.0
[INFO] tweaked toml for crates.io crate specimen__multistringmap 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate specimen__multistringmap 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-6-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] testing specimen__multistringmap-0.1.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate specimen__multistringmap 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate specimen__multistringmap 0.1.0
[INFO] finished tweaking crates.io crate specimen__multistringmap 0.1.0
[INFO] tweaked toml for crates.io crate specimen__multistringmap 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate specimen__multistringmap 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-hash-map v0.5.6
[INFO] [stderr] warning: failed to save last-use data
[INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
[INFO] [stderr] 
[INFO] [stderr] database or disk is full
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Error code 13: Insertion failed because database is full
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8ae31f1d62bad9f7d3019a8f46ae04ee6515670ef3eea9ee7064b9f6f77e4d5
[INFO] running `Command { std: "docker" "start" "-a" "a8ae31f1d62bad9f7d3019a8f46ae04ee6515670ef3eea9ee7064b9f6f77e4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8ae31f1d62bad9f7d3019a8f46ae04ee6515670ef3eea9ee7064b9f6f77e4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ae31f1d62bad9f7d3019a8f46ae04ee6515670ef3eea9ee7064b9f6f77e4d5", kill_on_drop: false }`
[INFO] [stdout] a8ae31f1d62bad9f7d3019a8f46ae04ee6515670ef3eea9ee7064b9f6f77e4d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77cbe43a42bafe47d618d99671bc9a3a4a2664c97ea3cd6a82c5139d60290260
[INFO] running `Command { std: "docker" "start" "-a" "77cbe43a42bafe47d618d99671bc9a3a4a2664c97ea3cd6a82c5139d60290260", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/specimen__multistringmap-99dfd65e7e8d4145`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "77cbe43a42bafe47d618d99671bc9a3a4a2664c97ea3cd6a82c5139d60290260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cbe43a42bafe47d618d99671bc9a3a4a2664c97ea3cd6a82c5139d60290260", kill_on_drop: false }`
[INFO] [stdout] 77cbe43a42bafe47d618d99671bc9a3a4a2664c97ea3cd6a82c5139d60290260