[INFO] fetching crate powco 0.1.3...
[INFO] testing powco-0.1.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate powco 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate powco 0.1.3
[INFO] finished tweaking crates.io crate powco 0.1.3
[INFO] tweaked toml for crates.io crate powco 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate powco 0.1.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 223 packages to latest compatible versions
[INFO] [stderr]       Adding bitcoin v0.27.1 (available: v0.32.7)
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.4)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[INFO] [stderr]       Adding secp256k1 v0.12.0 (available: v0.12.2)
[INFO] [stderr]       Adding secp256k1 v0.21.3 (available: v0.31.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 849e37132ea47d5f5785a26f5adc77d7ea6b8eb3c2e85912a57325b46ffb9a59
[INFO] running `Command { std: "docker" "start" "-a" "849e37132ea47d5f5785a26f5adc77d7ea6b8eb3c2e85912a57325b46ffb9a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "849e37132ea47d5f5785a26f5adc77d7ea6b8eb3c2e85912a57325b46ffb9a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849e37132ea47d5f5785a26f5adc77d7ea6b8eb3c2e85912a57325b46ffb9a59", kill_on_drop: false }`
[INFO] [stdout] 849e37132ea47d5f5785a26f5adc77d7ea6b8eb3c2e85912a57325b46ffb9a59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9edae3ad02aa3377572128b22fc46ef7536e72774412e0fa47a4952339b2c410
[INFO] running `Command { std: "docker" "start" "-a" "9edae3ad02aa3377572128b22fc46ef7536e72774412e0fa47a4952339b2c410", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling secp256k1 v0.12.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ring-0.14.6/build.rs:475:52
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 let _ = c.flag("-Wl,--gc-sections".into());
[INFO] [stdout]     |                           ----                     ^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `_: AsRef<OsStr>` found in the following crates: `find_msvc_tools`, `std`:
[INFO] [stdout]             - impl AsRef<OsStr> for OsStr;
[INFO] [stdout]             - impl AsRef<OsStr> for OsString;
[INFO] [stdout]             - impl AsRef<OsStr> for Path;
[INFO] [stdout]             - impl AsRef<OsStr> for PathBuf;
[INFO] [stdout]             - impl AsRef<OsStr> for String;
[INFO] [stdout]             - impl AsRef<OsStr> for find_msvc_tools::find_tools::Env;
[INFO] [stdout]             - impl AsRef<OsStr> for str;
[INFO] [stdout] note: required by a bound in `Build::flag`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.44/src/lib.rs:652:39
[INFO] [stdout]     |
[INFO] [stdout] 652 |     pub fn flag(&mut self, flag: impl AsRef<OsStr>) -> &mut Build {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ required by this bound in `Build::flag`
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout] 475 -                 let _ = c.flag("-Wl,--gc-sections".into());
[INFO] [stdout] 475 +                 let _ = c.flag(<&str as Into<T>>::into("-Wl,--gc-sections"));
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing this method call, as the receiver has type `&'static str` and `&'static str: AsRef<OsStr>` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 475 -                 let _ = c.flag("-Wl,--gc-sections".into());
[INFO] [stdout] 475 +                 let _ = c.flag("-Wl,--gc-sections");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ring` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9edae3ad02aa3377572128b22fc46ef7536e72774412e0fa47a4952339b2c410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edae3ad02aa3377572128b22fc46ef7536e72774412e0fa47a4952339b2c410", kill_on_drop: false }`
[INFO] [stdout] 9edae3ad02aa3377572128b22fc46ef7536e72774412e0fa47a4952339b2c410
