[INFO] fetching crate lair 0.5.0...
[INFO] testing lair-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lair 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lair 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lair 0.5.0
[INFO] finished tweaking crates.io crate lair 0.5.0
[INFO] tweaked toml for crates.io crate lair 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 064406f646c3ed022b4c5a7730a700c042d3733d63d76f99c4ba933a6f385177
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "064406f646c3ed022b4c5a7730a700c042d3733d63d76f99c4ba933a6f385177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "064406f646c3ed022b4c5a7730a700c042d3733d63d76f99c4ba933a6f385177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064406f646c3ed022b4c5a7730a700c042d3733d63d76f99c4ba933a6f385177", kill_on_drop: false }`
[INFO] [stdout] 064406f646c3ed022b4c5a7730a700c042d3733d63d76f99c4ba933a6f385177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a18fd8a82eb70c0fc29a1e22dcf09c7a831c07eb9b4115b66ef1697027a95003
[INFO] running `Command { std: "docker" "start" "-a" "a18fd8a82eb70c0fc29a1e22dcf09c7a831c07eb9b4115b66ef1697027a95003", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling lair v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.26s
[INFO] running `Command { std: "docker" "inspect" "a18fd8a82eb70c0fc29a1e22dcf09c7a831c07eb9b4115b66ef1697027a95003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18fd8a82eb70c0fc29a1e22dcf09c7a831c07eb9b4115b66ef1697027a95003", kill_on_drop: false }`
[INFO] [stdout] a18fd8a82eb70c0fc29a1e22dcf09c7a831c07eb9b4115b66ef1697027a95003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e330f284435a6617ee5f1522e6f412a3929a95c8fdc57ae737168c0e4aa7f31f
[INFO] running `Command { std: "docker" "start" "-a" "e330f284435a6617ee5f1522e6f412a3929a95c8fdc57ae737168c0e4aa7f31f", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand_isaac v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling lair v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.40s
[INFO] running `Command { std: "docker" "inspect" "e330f284435a6617ee5f1522e6f412a3929a95c8fdc57ae737168c0e4aa7f31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e330f284435a6617ee5f1522e6f412a3929a95c8fdc57ae737168c0e4aa7f31f", kill_on_drop: false }`
[INFO] [stdout] e330f284435a6617ee5f1522e6f412a3929a95c8fdc57ae737168c0e4aa7f31f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 509c83ff3ba840a020116c87a8d1060212760f2bfea80be5b11bfa1e3bee3116
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "509c83ff3ba840a020116c87a8d1060212760f2bfea80be5b11bfa1e3bee3116", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lair-3f364d67a5aaf50e)
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] test blas::iamax::tests::iamax ... ok
[INFO] [stdout] test blas::gemv::tests::gemv_conjtrans_complex ... ok
[INFO] [stdout] test blas::gemv::tests::gemv_notrans ... ok
[INFO] [stdout] test decomposition::lu::tests::lu_pl_singular ... ok
[INFO] [stdout] test blas::trmm::tests::right_upper_conjtrans_nounit ... ok
[INFO] [stdout] test decomposition::lu::tests::lu_pl_tall_l ... ok
[INFO] [stdout] test decomposition::lu::tests::lu_pl_wide_u ... ok
[INFO] [stdout] test decomposition::lu::tests::square ... ok
[INFO] [stdout] test decomposition::qr::tests::square ... ok
[INFO] [stdout] test blas::gerc::tests::complex ... ok
[INFO] [stdout] test decomposition::qr::tests::tall ... ok
[INFO] [stdout] test blas::nrm2::tests::real ... ok
[INFO] [stdout] test blas::trmm::tests::right_lower_conjtrans_nounit ... ok
[INFO] [stdout] test blas::trmm::tests::right_lower_notrans_nounit ... ok
[INFO] [stdout] test decomposition::lu::tests::tall ... ok
[INFO] [stdout] test decomposition::lu::tests::wide ... ok
[INFO] [stdout] test blas::trmv::tests::unit ... ok
[INFO] [stdout] test decomposition::lu::tests::lu_pl_identity_l ... ok
[INFO] [stdout] test decomposition::lu::tests::lu_pl_square ... ok
[INFO] [stdout] test lapack::getrf::tests::recursive_empty ... ok
[INFO] [stdout] test lapack::getrf::tests::smallest ... ok
[INFO] [stdout] test blas::nrm2::tests::complex ... ok
[INFO] [stdout] test decomposition::qr::tests::wide ... ok
[INFO] [stdout] test lapack::gebrd::tests::tall ... ok
[INFO] [stdout] test lapack::getrf::tests::empty ... ok
[INFO] [stdout] test lapack::getrf::tests::square_col_major ... ok
[INFO] [stdout] test lapack::getrf::tests::recursive_square ... ok
[INFO] [stdout] test lapack::getrf::tests::square_complex ... ok
[INFO] [stdout] test lapack::geqrf::tests::square_real ... ok
[INFO] [stdout] test lapack::getrs::tests::square_2x2 ... ok
[INFO] [stdout] test lapack::getrs::tests::square_5x5 ... ok
[INFO] [stdout] test lapack::lacpy::tests::lower ... ok
[INFO] [stdout] test lapack::getrf::tests::wide ... ok
[INFO] [stdout] test lapack::geqrf::tests::square_complex ... ok
[INFO] [stdout] test lapack::geqrf::tests::square_real_smallest ... ok
[INFO] [stdout] test lapack::getrf::tests::recursive_smallest ... ok
[INFO] [stdout] test lapack::getrf::tests::singular ... ok
[INFO] [stdout] test lapack::ilal::tests::ilalc ... ok
[INFO] [stdout] test lapack::lange::tests::maxabs_complex ... ok
[INFO] [stdout] test lapack::lange::tests::maxabs_empty ... ok
[INFO] [stdout] test lapack::ilal::tests::ilalc_empty ... ok
[INFO] [stdout] test lapack::ilal::tests::ilalc_zero ... ok
[INFO] [stdout] test lapack::geqrf::tests::tall ... ok
[INFO] [stdout] test lapack::getrf::tests::square_negative_strides ... ok
[INFO] [stdout] test lapack::lange::tests::maxabs_nan ... ok
[INFO] [stdout] test lapack::getrf::tests::square_row_major ... ok
[INFO] [stdout] test lapack::geqrf::tests::wide ... ok
[INFO] [stdout] test lapack::getrf::tests::tall ... ok
[INFO] [stdout] test lapack::lacpy::tests::upper ... ok
[INFO] [stdout] test lapack::larfg::tests::larfg_complex ... ok
[INFO] [stdout] test lapack::lartg::tests::lartg ... ok
[INFO] [stdout] test lapack::lartg::tests::lartg_nan ... ok
[INFO] [stdout] test lapack::lascl::tests::full ... ok
[INFO] [stdout] test lapack::unglq::tests::unglq ... ok
[INFO] [stdout] test lapack::lange::tests::maxabs_real ... ok
[INFO] [stdout] test lapack::larfg::tests::larfg_empty ... ok
[INFO] [stdout] test lapack::larf::tests::left_real ... ok
[INFO] [stdout] test lapack::larfg::tests::larfg_real ... ok
[INFO] [stdout] test lapack::larft::tests::forward_columnwise ... ok
[INFO] [stdout] test lapack::laset::tests::lower_zero ... ok
[INFO] [stdout] test lapack::larf::tests::left_complex ... ok
[INFO] [stdout] test lapack::ungbr::tests::p_square ... ok
[INFO] [stdout] test lapack::ungqr::tests::org2r ... ok
[INFO] [stdout] test matrix::tests::circulant ... ok
[INFO] [stdout] test lapack::ungbr::tests::q_tall ... ok
[INFO] [stdout] test lapack::ungrq::tests::ungrq ... ok
[INFO] [stdout] test lapack::larf::tests::right_complex ... ok
[INFO] [stdout] test lapack::larf::tests::right_real ... ok
[INFO] [stdout] test matrix::tests::companion ... ok
[INFO] [stdout] test lapack::larfb::tests::left_notrans_forward_columnwise ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 70 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lair
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/matrix.rs - matrix::circulant (line 10) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::companion (line 44) ... ok
[INFO] [stdout] test src/equation.rs - equation::solve (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "509c83ff3ba840a020116c87a8d1060212760f2bfea80be5b11bfa1e3bee3116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509c83ff3ba840a020116c87a8d1060212760f2bfea80be5b11bfa1e3bee3116", kill_on_drop: false }`
[INFO] [stdout] 509c83ff3ba840a020116c87a8d1060212760f2bfea80be5b11bfa1e3bee3116