[INFO] fetching crate paketkoll_core 0.5.13...
[INFO] testing paketkoll_core-0.5.13 against 1.90.0 for beta-1.91-3
[INFO] extracting crate paketkoll_core 0.5.13 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate paketkoll_core 0.5.13 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd v0.13.3
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[INFO] [stderr]   Downloaded globset v0.4.16
[INFO] [stderr]   Downloaded faster-hex v0.10.0
[INFO] [stderr]   Downloaded paketkoll_utils v0.1.12
[INFO] [stderr]   Downloaded rust-ini v0.21.2
[INFO] [stderr]   Downloaded bstr v1.12.0
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[INFO] [stderr]   Downloaded redox_users v0.5.0
[INFO] [stderr]   Downloaded dirs v6.0.0
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[INFO] [stderr]   Downloaded filetime v0.2.25
[INFO] [stderr]   Downloaded indoc v2.0.6
[INFO] [stderr]   Downloaded paketkoll_types v0.2.7
[INFO] [stderr]   Downloaded zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]   Downloaded option-ext v0.2.0
[INFO] [stderr]   Downloaded strum v0.27.1
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[INFO] [stderr]   Downloaded lzma-sys v0.1.20
[INFO] [stderr]   Downloaded base64-simd v0.8.0
[INFO] [stderr]   Downloaded paketkoll_workspace_hack v0.1.0
[INFO] [stderr]   Downloaded mtree2 v0.6.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e224ecbdc001a468d39cfb2e1e59207b5b590da9e4172e16f7f759d635873466
[INFO] running `Command { std: "docker" "start" "-a" "e224ecbdc001a468d39cfb2e1e59207b5b590da9e4172e16f7f759d635873466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e224ecbdc001a468d39cfb2e1e59207b5b590da9e4172e16f7f759d635873466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e224ecbdc001a468d39cfb2e1e59207b5b590da9e4172e16f7f759d635873466", kill_on_drop: false }`
[INFO] [stdout] e224ecbdc001a468d39cfb2e1e59207b5b590da9e4172e16f7f759d635873466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf489383d0aa11802974b2de9f603699632492315f63af8a318e2b267a5997c7
[INFO] running `Command { std: "docker" "start" "-a" "cf489383d0aa11802974b2de9f603699632492315f63af8a318e2b267a5997c7", 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
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[INFO] [stderr]    Compiling darling_macro v0.20.11
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[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)]` 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)]` 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)]` 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" "cf489383d0aa11802974b2de9f603699632492315f63af8a318e2b267a5997c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf489383d0aa11802974b2de9f603699632492315f63af8a318e2b267a5997c7", kill_on_drop: false }`
[INFO] [stdout] cf489383d0aa11802974b2de9f603699632492315f63af8a318e2b267a5997c7
