[INFO] fetching crate paketkoll_core 0.5.13...
[INFO] testing paketkoll_core-0.5.13 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate paketkoll_core 0.5.13 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate paketkoll_core 0.5.13
[INFO] finished tweaking crates.io crate paketkoll_core 0.5.13
[INFO] tweaked toml for crates.io crate paketkoll_core 0.5.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate paketkoll_core 0.5.13 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] crate crates.io crate paketkoll_core 0.5.13 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f994707d487021be01a029478592542c48671fe27e145d87b1b73a8fd93d03ec
[INFO] running `Command { std: "docker" "start" "-a" "f994707d487021be01a029478592542c48671fe27e145d87b1b73a8fd93d03ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f994707d487021be01a029478592542c48671fe27e145d87b1b73a8fd93d03ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f994707d487021be01a029478592542c48671fe27e145d87b1b73a8fd93d03ec", kill_on_drop: false }`
[INFO] [stdout] f994707d487021be01a029478592542c48671fe27e145d87b1b73a8fd93d03ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6b88181cc6e6da1309326c79c252178448e90fc247ab07262907f78bd9ca9664
[INFO] running `Command { std: "docker" "start" "-a" "6b88181cc6e6da1309326c79c252178448e90fc247ab07262907f78bd9ca9664", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling paketkoll_workspace_hack v0.1.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling heck v0.5.0
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[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling faster-hex v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling hashify v0.2.6
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling lasso v0.7.3
[INFO] [stderr]    Compiling paketkoll_types v0.2.7
[INFO] [stderr]    Compiling xattr v1.5.1
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling paketkoll_utils v0.1.12
[INFO] [stderr]    Compiling paketkoll_core v0.5.13 (/opt/rustwide/workdir)
[INFO] [stdout] error: At least one backend must be enabled
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | compile_error!("At least one backend must be enabled");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/backend/filesystem.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: lifetime parameter `'archive` is never used
[INFO] [stdout]   --> src/utils.rs:42:35
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) enum CompressionFormat<'archive, R: Read + 'archive> {
[INFO] [stdout]    |                                   ^^^^^^^^ unused lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'archive`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/backend/filesystem.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |     let mut reader = match File::open(path) {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/backend/filesystem.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let mut buffer = [0; 16 * 1024];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/filesystem.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |     let mut reader = match File::open(path) {
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/filesystem.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let mut buffer = [0; 16 * 1024];
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `configuration`
[INFO] [stdout]   --> src/backend.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         configuration: &BackendConfiguration,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_configuration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interner`
[INFO] [stdout]   --> src/backend.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         interner: &Interner,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `configuration`
[INFO] [stdout]    --> src/backend.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         configuration: &BackendConfiguration,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_configuration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interner`
[INFO] [stdout]    --> src/backend.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         interner: &Interner,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `configuration`
[INFO] [stdout]    --> src/backend.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         configuration: &BackendConfiguration,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_configuration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interner`
[INFO] [stdout]    --> src/backend.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         interner: &Interner,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paketkoll_core` (lib) due to 2 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6b88181cc6e6da1309326c79c252178448e90fc247ab07262907f78bd9ca9664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b88181cc6e6da1309326c79c252178448e90fc247ab07262907f78bd9ca9664", kill_on_drop: false }`
[INFO] [stdout] 6b88181cc6e6da1309326c79c252178448e90fc247ab07262907f78bd9ca9664
