[INFO] fetching crate spead 0.4.1...
[INFO] testing spead-0.4.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spead 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate spead 0.4.1
[INFO] finished tweaking crates.io crate spead 0.4.1
[INFO] tweaked toml for crates.io crate spead 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spead 0.4.1 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] crate crates.io crate spead 0.4.1 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-2026-04-21" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8cfb3afffec52983a3b2cfa2ff9f0b71965f17f29eb2d058df0067b9c982bbe9
[INFO] running `Command { std: "docker" "start" "-a" "8cfb3afffec52983a3b2cfa2ff9f0b71965f17f29eb2d058df0067b9c982bbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cfb3afffec52983a3b2cfa2ff9f0b71965f17f29eb2d058df0067b9c982bbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cfb3afffec52983a3b2cfa2ff9f0b71965f17f29eb2d058df0067b9c982bbe9", kill_on_drop: false }`
[INFO] [stdout] 8cfb3afffec52983a3b2cfa2ff9f0b71965f17f29eb2d058df0067b9c982bbe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ab2644c4eb4f5ae8c6a0c3f7bd7953e0bab0c1989a7d23b012b7ef87ad55e00a
[INFO] running `Command { std: "docker" "start" "-a" "ab2644c4eb4f5ae8c6a0c3f7bd7953e0bab0c1989a7d23b012b7ef87ad55e00a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling clap_builder v4.5.49
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling cbc v0.1.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling argon2 v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rtoolbox v0.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rpassword v7.4.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling cosmian_fpe v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling cloudproof_fpe v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling clap v4.5.49
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling spead v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap::{arg, error::ErrorKind, CommandFactory, Parser};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "ab2644c4eb4f5ae8c6a0c3f7bd7953e0bab0c1989a7d23b012b7ef87ad55e00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2644c4eb4f5ae8c6a0c3f7bd7953e0bab0c1989a7d23b012b7ef87ad55e00a", kill_on_drop: false }`
[INFO] [stdout] ab2644c4eb4f5ae8c6a0c3f7bd7953e0bab0c1989a7d23b012b7ef87ad55e00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 388ac998320ffdc0cc32f973dc45630ef531d7c5df983a62b26941cd35e10f69
[INFO] running `Command { std: "docker" "start" "-a" "388ac998320ffdc0cc32f973dc45630ef531d7c5df983a62b26941cd35e10f69", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling cosmian_fpe v0.5.2
[INFO] [stderr]    Compiling cloudproof_fpe v0.2.2
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling spead v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap::{arg, error::ErrorKind, CommandFactory, Parser};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand_core`
[INFO] [stdout]    --> src/numeric.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use rand_core::OsRng;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a similar path exists
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use rand::rand_core::OsRng;
[INFO] [stdout]     |         ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proptest::prelude::*`
[INFO] [stdout]    --> src/numeric.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use proptest::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spead` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "388ac998320ffdc0cc32f973dc45630ef531d7c5df983a62b26941cd35e10f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388ac998320ffdc0cc32f973dc45630ef531d7c5df983a62b26941cd35e10f69", kill_on_drop: false }`
[INFO] [stdout] 388ac998320ffdc0cc32f973dc45630ef531d7c5df983a62b26941cd35e10f69
