[INFO] fetching crate sperr 0.2.0...
[INFO] testing sperr-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sperr 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate sperr 0.2.0
[INFO] finished tweaking crates.io crate sperr 0.2.0
[INFO] tweaked toml for crates.io crate sperr 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sperr 0.2.0 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] crate crates.io crate sperr 0.2.0 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] 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] bd0f1e1a5b448b407ed16c8b41ec38b9e26ce2c33c64995391a6e16359eed7ce
[INFO] running `Command { std: "docker" "start" "-a" "bd0f1e1a5b448b407ed16c8b41ec38b9e26ce2c33c64995391a6e16359eed7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd0f1e1a5b448b407ed16c8b41ec38b9e26ce2c33c64995391a6e16359eed7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0f1e1a5b448b407ed16c8b41ec38b9e26ce2c33c64995391a6e16359eed7ce", kill_on_drop: false }`
[INFO] [stdout] bd0f1e1a5b448b407ed16c8b41ec38b9e26ce2c33c64995391a6e16359eed7ce
[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] a8bc519ac893d62a2c33d47d05c69b7f3d6a1e0cf2230757c0bd6f52f34065c6
[INFO] running `Command { std: "docker" "start" "-a" "a8bc519ac893d62a2c33d47d05c69b7f3d6a1e0cf2230757c0bd6f52f34065c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling sperr-sys v0.2.0
[INFO] [stderr]    Compiling sperr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "a8bc519ac893d62a2c33d47d05c69b7f3d6a1e0cf2230757c0bd6f52f34065c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bc519ac893d62a2c33d47d05c69b7f3d6a1e0cf2230757c0bd6f52f34065c6", kill_on_drop: false }`
[INFO] [stdout] a8bc519ac893d62a2c33d47d05c69b7f3d6a1e0cf2230757c0bd6f52f34065c6
[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] aff7a8b8b106523d3d261151eb3a37f55cf6454eddfa0fbcb5a7c9062ddfec0a
[INFO] running `Command { std: "docker" "start" "-a" "aff7a8b8b106523d3d261151eb3a37f55cf6454eddfa0fbcb5a7c9062ddfec0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sperr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "aff7a8b8b106523d3d261151eb3a37f55cf6454eddfa0fbcb5a7c9062ddfec0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff7a8b8b106523d3d261151eb3a37f55cf6454eddfa0fbcb5a7c9062ddfec0a", kill_on_drop: false }`
[INFO] [stdout] aff7a8b8b106523d3d261151eb3a37f55cf6454eddfa0fbcb5a7c9062ddfec0a
[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", kill_on_drop: false }`
[INFO] [stdout] 8783bce9c21f44594d3017e25ac0826f679cc7d986f016a560a5912a32d771ae
[INFO] running `Command { std: "docker" "start" "-a" "8783bce9c21f44594d3017e25ac0826f679cc7d986f016a560a5912a32d771ae", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sperr-a35d0deff2a1c4fa)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::compress_decompress_q ... ok
[INFO] [stdout] test tests::compress_decompress_psnr ... ok
[INFO] [stdout] test tests::compress_decompress_pwe ... ok
[INFO] [stdout] test tests::compress_decompress_bpp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.91s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sperr
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8783bce9c21f44594d3017e25ac0826f679cc7d986f016a560a5912a32d771ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8783bce9c21f44594d3017e25ac0826f679cc7d986f016a560a5912a32d771ae", kill_on_drop: false }`
[INFO] [stdout] 8783bce9c21f44594d3017e25ac0826f679cc7d986f016a560a5912a32d771ae
