[INFO] fetching crate fst_stringstring 0.0.10...
[INFO] testing fst_stringstring-0.0.10 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fst_stringstring 0.0.10 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fst_stringstring 0.0.10
[INFO] finished tweaking crates.io crate fst_stringstring 0.0.10
[INFO] tweaked toml for crates.io crate fst_stringstring 0.0.10 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fst_stringstring 0.0.10 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 6 packages to latest compatible versions
[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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7eeb75a2576012c92c76b801ba9d630442390152c48ba022ec5ad5bfec99a97
[INFO] running `Command { std: "docker" "start" "-a" "f7eeb75a2576012c92c76b801ba9d630442390152c48ba022ec5ad5bfec99a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7eeb75a2576012c92c76b801ba9d630442390152c48ba022ec5ad5bfec99a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7eeb75a2576012c92c76b801ba9d630442390152c48ba022ec5ad5bfec99a97", kill_on_drop: false }`
[INFO] [stdout] f7eeb75a2576012c92c76b801ba9d630442390152c48ba022ec5ad5bfec99a97
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1c1dbab09381fa94271a9263c33b540e77f31c88573e8b09bd6b3a93913f8e2
[INFO] running `Command { std: "docker" "start" "-a" "d1c1dbab09381fa94271a9263c33b540e77f31c88573e8b09bd6b3a93913f8e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling fst_stringstring v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "d1c1dbab09381fa94271a9263c33b540e77f31c88573e8b09bd6b3a93913f8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c1dbab09381fa94271a9263c33b540e77f31c88573e8b09bd6b3a93913f8e2", kill_on_drop: false }`
[INFO] [stdout] d1c1dbab09381fa94271a9263c33b540e77f31c88573e8b09bd6b3a93913f8e2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a63bcf5d3f72f30e7c209b1304cfe0905644084dc24213b0fdcab106549d8e3e
[INFO] running `Command { std: "docker" "start" "-a" "a63bcf5d3f72f30e7c209b1304cfe0905644084dc24213b0fdcab106549d8e3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fst_stringstring v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "a63bcf5d3f72f30e7c209b1304cfe0905644084dc24213b0fdcab106549d8e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63bcf5d3f72f30e7c209b1304cfe0905644084dc24213b0fdcab106549d8e3e", kill_on_drop: false }`
[INFO] [stdout] a63bcf5d3f72f30e7c209b1304cfe0905644084dc24213b0fdcab106549d8e3e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5ea525d5a9c65d69770311a42f3b81397882650edaec35cb491614471973c16
[INFO] running `Command { std: "docker" "start" "-a" "e5ea525d5a9c65d69770311a42f3b81397882650edaec35cb491614471973c16", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fst_stringstring-95800a05efddfc3e)
[INFO] [stderr]      Running tests/builder.rs (/opt/rustwide/target/debug/deps/builder-2882357f61870dc7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test builder1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- builder1 stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     builder1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test builder`
[INFO] running `Command { std: "docker" "inspect" "e5ea525d5a9c65d69770311a42f3b81397882650edaec35cb491614471973c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ea525d5a9c65d69770311a42f3b81397882650edaec35cb491614471973c16", kill_on_drop: false }`
[INFO] [stdout] e5ea525d5a9c65d69770311a42f3b81397882650edaec35cb491614471973c16