[INFO] fetching crate uqoin-core 0.1.6...
[INFO] testing uqoin-core-0.1.6 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate uqoin-core 0.1.6 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate uqoin-core 0.1.6
[INFO] finished tweaking crates.io crate uqoin-core 0.1.6
[INFO] tweaked toml for crates.io crate uqoin-core 0.1.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uqoin-core 0.1.6 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uqoin-core 0.1.6 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.9.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.21
[INFO] [stderr]   Downloaded lbasedb v0.1.7
[INFO] [stderr]   Downloaded bitcoin-internals v0.2.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.10
[INFO] [stderr]   Downloaded hex-conservative v0.1.2
[INFO] [stderr]   Downloaded finitelib v0.1.15
[INFO] [stderr]   Downloaded tinyvec v1.9.0
[INFO] [stderr]   Downloaded bitcoin_hashes v0.13.0
[INFO] [stderr]   Downloaded bip39 v2.1.0
[INFO] [stderr]   Downloaded zerocopy v0.8.21
[INFO] [stderr]   Downloaded tokio v1.44.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335
[INFO] running `Command { std: "docker" "start" "8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling hex-conservative v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling bitcoin_hashes v0.13.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling rand_core v0.9.2
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling bip39 v2.1.0
[INFO] [stderr]    Compiling finitelib v0.1.15
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/finitelib-0.1.15/src/lib.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `finitelib` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335", kill_on_drop: false }`
[INFO] [stdout] 8033ecb5f9fa6ba24ec0c33af41b0b07fda0ad6bcb37fa1cef51c0f45ac00335
