[INFO] fetching crate stowr-core 0.3.0...
[INFO] testing stowr-core-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stowr-core 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate stowr-core 0.3.0
[INFO] finished tweaking crates.io crate stowr-core 0.3.0
[INFO] tweaked toml for crates.io crate stowr-core 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stowr-core 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stowr-core 0.3.0 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b34ddc8466d38e40f3708df42c2aacb93d91cfd579cfe127e9d429661f95b49
[INFO] running `Command { std: "docker" "start" "-a" "8b34ddc8466d38e40f3708df42c2aacb93d91cfd579cfe127e9d429661f95b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b34ddc8466d38e40f3708df42c2aacb93d91cfd579cfe127e9d429661f95b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b34ddc8466d38e40f3708df42c2aacb93d91cfd579cfe127e9d429661f95b49", kill_on_drop: false }`
[INFO] [stdout] 8b34ddc8466d38e40f3708df42c2aacb93d91cfd579cfe127e9d429661f95b49
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f26845f5178f68955cb2e121008386263f67b12888b3b4f124a4866c83b728ea
[INFO] running `Command { std: "docker" "start" "-a" "f26845f5178f68955cb2e121008386263f67b12888b3b4f124a4866c83b728ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling twox-hash v2.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling lz4_flex v0.11.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling libsqlite3-sys v0.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling rusqlite v0.36.0
[INFO] [stderr]    Compiling stowr-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.40s
[INFO] running `Command { std: "docker" "inspect" "f26845f5178f68955cb2e121008386263f67b12888b3b4f124a4866c83b728ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26845f5178f68955cb2e121008386263f67b12888b3b4f124a4866c83b728ea", kill_on_drop: false }`
[INFO] [stdout] f26845f5178f68955cb2e121008386263f67b12888b3b4f124a4866c83b728ea
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35c725f42d948ce2ef8ee19254dda7a3010b975042f4fb41bf6e586fb855f2fb
[INFO] running `Command { std: "docker" "start" "-a" "35c725f42d948ce2ef8ee19254dda7a3010b975042f4fb41bf6e586fb855f2fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rusqlite v0.36.0
[INFO] [stderr]    Compiling stowr-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "35c725f42d948ce2ef8ee19254dda7a3010b975042f4fb41bf6e586fb855f2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c725f42d948ce2ef8ee19254dda7a3010b975042f4fb41bf6e586fb855f2fb", kill_on_drop: false }`
[INFO] [stdout] 35c725f42d948ce2ef8ee19254dda7a3010b975042f4fb41bf6e586fb855f2fb
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e3e41af923795f2f1c8d84748f33fef13a7acc14d24c590184b7dd5513baf6e
[INFO] running `Command { std: "docker" "start" "-a" "8e3e41af923795f2f1c8d84748f33fef13a7acc14d24c590184b7dd5513baf6e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stowr_core-6d8cdf2b9ffe5004)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test dedup::tests::test_deduplicator_basic ... ok
[INFO] [stdout] test dedup::tests::test_hash_calculation ... ok
[INFO] [stdout] test dedup::tests::test_add_reference_by_hash ... ok
[INFO] [stdout] test dedup::tests::test_remove_reference ... ok
[INFO] [stdout] test dedup::tests::test_remove_reference_by_hash ... ok
[INFO] [stdout] test delta::tests::test_file_type_inference ... ok
[INFO] [stdout] test delta::tests::test_similarity_calculation ... ok
[INFO] [stdout] test delta::tests::test_simple_delta ... ok
[INFO] [stdout] test tests::test_lib_exports ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stowr_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.98/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:2184:27
[INFO] [stdout]    2: stowr_core::index::create_index
[INFO] [stdout]              at ./src/index.rs:368:5
[INFO] [stdout]    3: rust_out::main
[INFO] [stdout]    4: core::ops::function::FnOnce::call_once
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]    6: std::rt::lang_start::{{closure}}
[INFO] [stdout]    7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]    9: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   10: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::rt::lang_start_internal::{{closure}}
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   12: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   13: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   14: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   15: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   16: std::rt::lang_start
[INFO] [stdout]   17: main
[INFO] [stdout]   18: <unknown>
[INFO] [stdout]   19: __libc_start_main
[INFO] [stdout]   20: _start
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8e3e41af923795f2f1c8d84748f33fef13a7acc14d24c590184b7dd5513baf6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3e41af923795f2f1c8d84748f33fef13a7acc14d24c590184b7dd5513baf6e", kill_on_drop: false }`
[INFO] [stdout] 8e3e41af923795f2f1c8d84748f33fef13a7acc14d24c590184b7dd5513baf6e