[INFO] fetching crate totsu 0.8.1...
[INFO] testing totsu-0.8.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate totsu 0.8.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate totsu 0.8.1 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 totsu 0.8.1
[INFO] finished tweaking crates.io crate totsu 0.8.1
[INFO] tweaked toml for crates.io crate totsu 0.8.1 written to /workspace/builds/worker-6/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] [stderr] warning: version requirement `0.6.0+mkl2020.1` for dependency `intel-mkl-src` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float_eq v0.6.1
[INFO] [stderr]   Downloaded cblas v0.4.0
[INFO] [stderr]   Downloaded lapacke v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a36525859aeb07ccbeb6360a6cf5270656c768d61600d5dfa1afa4ca0985542d
[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" "a36525859aeb07ccbeb6360a6cf5270656c768d61600d5dfa1afa4ca0985542d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a36525859aeb07ccbeb6360a6cf5270656c768d61600d5dfa1afa4ca0985542d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36525859aeb07ccbeb6360a6cf5270656c768d61600d5dfa1afa4ca0985542d", kill_on_drop: false }`
[INFO] [stdout] a36525859aeb07ccbeb6360a6cf5270656c768d61600d5dfa1afa4ca0985542d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0558ce747e2f040a7f0e92fe4af1fc99cf60724cfde5c47fb22eff922f689d1a
[INFO] running `Command { std: "docker" "start" "-a" "0558ce747e2f040a7f0e92fe4af1fc99cf60724cfde5c47fb22eff922f689d1a", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.6.0+mkl2020.1` for dependency `intel-mkl-src` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling totsu v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "0558ce747e2f040a7f0e92fe4af1fc99cf60724cfde5c47fb22eff922f689d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0558ce747e2f040a7f0e92fe4af1fc99cf60724cfde5c47fb22eff922f689d1a", kill_on_drop: false }`
[INFO] [stdout] 0558ce747e2f040a7f0e92fe4af1fc99cf60724cfde5c47fb22eff922f689d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cb1182ec837cd02385d6a6ea3491f344ae71ec766293771900379527daf1a46f
[INFO] running `Command { std: "docker" "start" "-a" "cb1182ec837cd02385d6a6ea3491f344ae71ec766293771900379527daf1a46f", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.6.0+mkl2020.1` for dependency `intel-mkl-src` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling float_eq v0.6.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling intel-mkl-tool v0.2.0+mkl2020.1
[INFO] [stderr]    Compiling intel-mkl-src v0.6.0+mkl2020.1
[INFO] [stderr] error: failed to run custom build command for `intel-mkl-src v0.6.0+mkl2020.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/intel-mkl-src-41cb545f6aef31ef/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=MKL_STATIC_LP64_SEQ_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=MKL_STATIC_LP64_SEQ_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=MKL_STATIC_LP64_SEQ_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: No MKL found, and download flag is off.
[INFO] running `Command { std: "docker" "inspect" "cb1182ec837cd02385d6a6ea3491f344ae71ec766293771900379527daf1a46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1182ec837cd02385d6a6ea3491f344ae71ec766293771900379527daf1a46f", kill_on_drop: false }`
[INFO] [stdout] cb1182ec837cd02385d6a6ea3491f344ae71ec766293771900379527daf1a46f