[INFO] fetching crate liboscore-cryptobackend 0.2.4...
[INFO] testing liboscore-cryptobackend-0.2.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate liboscore-cryptobackend 0.2.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate liboscore-cryptobackend 0.2.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate liboscore-cryptobackend 0.2.4
[INFO] tweaked toml for crates.io crate liboscore-cryptobackend 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate liboscore-cryptobackend 0.2.4 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 liboscore-cryptobackend 0.2.4 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] [stderr]     Blocking waiting for file lock on package cache
[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] 2d48c95b9b6f2fe17dc9604aa75c86b9b44c1020d7b5c873ad00221eb4201a97
[INFO] running `Command { std: "docker" "start" "-a" "2d48c95b9b6f2fe17dc9604aa75c86b9b44c1020d7b5c873ad00221eb4201a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d48c95b9b6f2fe17dc9604aa75c86b9b44c1020d7b5c873ad00221eb4201a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d48c95b9b6f2fe17dc9604aa75c86b9b44c1020d7b5c873ad00221eb4201a97", kill_on_drop: false }`
[INFO] [stdout] 2d48c95b9b6f2fe17dc9604aa75c86b9b44c1020d7b5c873ad00221eb4201a97
[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] 4308dbbd720f2109fb94ad37774878783a9c53a2142cc728fa211f5ada7307d5
[INFO] running `Command { std: "docker" "start" "-a" "4308dbbd720f2109fb94ad37774878783a9c53a2142cc728fa211f5ada7307d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling spin v0.9.8
[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 aead v0.5.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling liboscore-cryptobackend v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0084]: unsupported representation for zero-variant enum
[INFO] [stdout]   --> src/aead.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[repr(u8)]
[INFO] [stdout]    |        ^^
[INFO] [stdout] 17 | pub enum Algorithm {
[INFO] [stdout]    | ------------------ zero-variant enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/aead.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |           Some(match self {
[INFO] [stdout]    |  _________^^^^_-
[INFO] [stdout]    | |         |
[INFO] [stdout]    | |         unreachable call
[INFO] [stdout] 63 | |             #[cfg(feature = "chacha20poly1305")]
[INFO] [stdout] 64 | |             Algorithm::ChaCha20Poly1305 => 24,
[INFO] [stdout] 65 | |             #[cfg(feature = "aes-ccm")]
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |             Algorithm::A256GCM => 3,
[INFO] [stdout] 73 | |         })
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&aead::Algorithm` is non-empty
[INFO] [stdout]   --> src/aead.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         Some(match self {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `aead::Algorithm` defined here
[INFO] [stdout]   --> src/aead.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Algorithm {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    = note: the matched value is of type `&aead::Algorithm`
[INFO] [stdout]    = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 62 ~         Some(match self {
[INFO] [stdout] 63 +             _ => todo!(),
[INFO] [stdout] 64 ~         })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&aead::Algorithm` is non-empty
[INFO] [stdout]   --> src/aead.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |         match self {
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `aead::Algorithm` defined here
[INFO] [stdout]   --> src/aead.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Algorithm {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    = note: the matched value is of type `&aead::Algorithm`
[INFO] [stdout]    = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 77 ~         match self {
[INFO] [stdout] 78 +             _ => todo!(),
[INFO] [stdout] 79 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&aead::Algorithm` is non-empty
[INFO] [stdout]   --> src/aead.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 |         match self {
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `aead::Algorithm` defined here
[INFO] [stdout]   --> src/aead.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Algorithm {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    = note: the matched value is of type `&aead::Algorithm`
[INFO] [stdout]    = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 98 ~         match self {
[INFO] [stdout] 99 +             _ => todo!(),
[INFO] [stdout] 100+         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&aead::Algorithm` is non-empty
[INFO] [stdout]    --> src/aead.rs:119:15
[INFO] [stdout]     |
[INFO] [stdout] 119 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `aead::Algorithm` defined here
[INFO] [stdout]    --> src/aead.rs:17:10
[INFO] [stdout]     |
[INFO] [stdout]  17 | pub enum Algorithm {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&aead::Algorithm`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 119 ~         match self {
[INFO] [stdout] 120 +             _ => todo!(),
[INFO] [stdout] 121 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/aead.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     buffer: *mut u8,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[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_len`
[INFO] [stdout]    --> src/aead.rs:297:5
[INFO] [stdout]     |
[INFO] [stdout] 297 |     buffer_len: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 297 |     _buffer_len: usize,
[INFO] [stdout]     |     +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `AAD_BUFFER_SIZE`
[INFO] [stdout]     |
[INFO] [stdout] 297 -     buffer_len: usize,
[INFO] [stdout] 297 +     aead::AAD_BUFFER_SIZE: usize,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/aead.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 335 |             actually_encrypt: unsafe { tempstate.assume_init() },
[INFO] [stdout]     |                                        ----------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 338 |     ret
[INFO] [stdout]     |     ^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `EncryptState`, which is uninhabited
[INFO] [stdout]    --> src/aead.rs:335:40
[INFO] [stdout]     |
[INFO] [stdout] 335 |             actually_encrypt: unsafe { tempstate.assume_init() },
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/aead.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     buffer: *mut u8,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_len`
[INFO] [stdout]    --> src/aead.rs:417:5
[INFO] [stdout]     |
[INFO] [stdout] 417 |     buffer_len: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 417 |     _buffer_len: usize,
[INFO] [stdout]     |     +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `AAD_BUFFER_SIZE`
[INFO] [stdout]     |
[INFO] [stdout] 417 -     buffer_len: usize,
[INFO] [stdout] 417 +     aead::AAD_BUFFER_SIZE: usize,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0084.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `liboscore-cryptobackend` (lib) due to 5 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4308dbbd720f2109fb94ad37774878783a9c53a2142cc728fa211f5ada7307d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4308dbbd720f2109fb94ad37774878783a9c53a2142cc728fa211f5ada7307d5", kill_on_drop: false }`
[INFO] [stdout] 4308dbbd720f2109fb94ad37774878783a9c53a2142cc728fa211f5ada7307d5
