[INFO] fetching crate subtle-ml 2.5.0...
[INFO] testing subtle-ml-2.5.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate subtle-ml 2.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate subtle-ml 2.5.0
[INFO] finished tweaking crates.io crate subtle-ml 2.5.0
[INFO] tweaked toml for crates.io crate subtle-ml 2.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate subtle-ml 2.5.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 460a83283f69798c547acae8e8fad42d17ea444b1678907b75c9a9efd34ebbbc
[INFO] running `Command { std: "docker" "start" "-a" "460a83283f69798c547acae8e8fad42d17ea444b1678907b75c9a9efd34ebbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "460a83283f69798c547acae8e8fad42d17ea444b1678907b75c9a9efd34ebbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460a83283f69798c547acae8e8fad42d17ea444b1678907b75c9a9efd34ebbbc", kill_on_drop: false }`
[INFO] [stdout] 460a83283f69798c547acae8e8fad42d17ea444b1678907b75c9a9efd34ebbbc
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81c818df9275556593fef2c5024b40bd88aa1a43fcb20bf23b1cd08b82d7b602
[INFO] running `Command { std: "docker" "start" "-a" "81c818df9275556593fef2c5024b40bd88aa1a43fcb20bf23b1cd08b82d7b602", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling subtle-ml v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "81c818df9275556593fef2c5024b40bd88aa1a43fcb20bf23b1cd08b82d7b602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c818df9275556593fef2c5024b40bd88aa1a43fcb20bf23b1cd08b82d7b602", kill_on_drop: false }`
[INFO] [stdout] 81c818df9275556593fef2c5024b40bd88aa1a43fcb20bf23b1cd08b82d7b602
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2c2f21d4b9320c7c23052c2105b11624f4525ff731b261290e48abe2f7585d
[INFO] running `Command { std: "docker" "start" "-a" "8c2c2f21d4b9320c7c23052c2105b11624f4525ff731b261290e48abe2f7585d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling subtle-ml v2.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `subtle`
[INFO] [stdout]  --> tests/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate subtle;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subtle-ml` (test "mod") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8c2c2f21d4b9320c7c23052c2105b11624f4525ff731b261290e48abe2f7585d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2c2f21d4b9320c7c23052c2105b11624f4525ff731b261290e48abe2f7585d", kill_on_drop: false }`
[INFO] [stdout] 8c2c2f21d4b9320c7c23052c2105b11624f4525ff731b261290e48abe2f7585d
