[INFO] fetching crate tw-rs 0.1.34...
[INFO] testing tw-rs-0.1.34 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tw-rs 0.1.34 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tw-rs 0.1.34
[INFO] finished tweaking crates.io crate tw-rs 0.1.34
[INFO] tweaked toml for crates.io crate tw-rs 0.1.34 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tw-rs 0.1.34 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.5.2 (available: v0.22.1)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.51)
[INFO] [stderr]       Adding colored v1.9.4 (available: v3.0.0)
[INFO] [stderr]       Adding nom v3.2.1 (available: v8.0.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] aefb3645bfcb1a4cef66a83fc39d6bae3f0c7667422b04f5c80edc091309e776
[INFO] running `Command { std: "docker" "start" "-a" "aefb3645bfcb1a4cef66a83fc39d6bae3f0c7667422b04f5c80edc091309e776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aefb3645bfcb1a4cef66a83fc39d6bae3f0c7667422b04f5c80edc091309e776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aefb3645bfcb1a4cef66a83fc39d6bae3f0c7667422b04f5c80edc091309e776", kill_on_drop: false }`
[INFO] [stdout] aefb3645bfcb1a4cef66a83fc39d6bae3f0c7667422b04f5c80edc091309e776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 01109cec4356d03b33ab99ed4e284076668ef8a63654dd6ed8c6608515c0e8f4
[INFO] running `Command { std: "docker" "start" "-a" "01109cec4356d03b33ab99ed4e284076668ef8a63654dd6ed8c6608515c0e8f4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling colored v1.9.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling curl v0.3.11
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling oauth-client-fix v0.1.5
[INFO] [stderr]    Compiling tw-rs v0.1.34 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![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 `tw-rs` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "01109cec4356d03b33ab99ed4e284076668ef8a63654dd6ed8c6608515c0e8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01109cec4356d03b33ab99ed4e284076668ef8a63654dd6ed8c6608515c0e8f4", kill_on_drop: false }`
[INFO] [stdout] 01109cec4356d03b33ab99ed4e284076668ef8a63654dd6ed8c6608515c0e8f4