[INFO] fetching crate tension 0.0.2...
[INFO] testing tension-0.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tension 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tension 0.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tension 0.0.2
[INFO] finished tweaking crates.io crate tension 0.0.2
[INFO] tweaked toml for crates.io crate tension 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qutex v0.2.3
[INFO] [stderr]   Downloaded ocl-core-vector v0.1.0
[INFO] [stderr]   Downloaded cl-sys v0.4.2
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded ocl v0.19.3
[INFO] [stderr]   Downloaded ocl-core v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] d81f3369f7c86869a6fb30e0e1b6fcef378706dde8f05373c06a0b24d780716b
[INFO] running `Command { std: "docker" "start" "-a" "d81f3369f7c86869a6fb30e0e1b6fcef378706dde8f05373c06a0b24d780716b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d81f3369f7c86869a6fb30e0e1b6fcef378706dde8f05373c06a0b24d780716b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81f3369f7c86869a6fb30e0e1b6fcef378706dde8f05373c06a0b24d780716b", kill_on_drop: false }`
[INFO] [stdout] d81f3369f7c86869a6fb30e0e1b6fcef378706dde8f05373c06a0b24d780716b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43afa1abeeb59cf9feeb309f04f70300a8826f00a7135b3a301a0c619459bffa
[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" "43afa1abeeb59cf9feeb309f04f70300a8826f00a7135b3a301a0c619459bffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling ocl-core v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling qutex v0.2.3
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling ocl v0.19.3
[INFO] [stderr]    Compiling tension v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "43afa1abeeb59cf9feeb309f04f70300a8826f00a7135b3a301a0c619459bffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43afa1abeeb59cf9feeb309f04f70300a8826f00a7135b3a301a0c619459bffa", kill_on_drop: false }`
[INFO] [stdout] 43afa1abeeb59cf9feeb309f04f70300a8826f00a7135b3a301a0c619459bffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8711bb6fb91ab161c078d857e776a097cecb25b8ba10da891db90014d0fc44ec
[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" "8711bb6fb91ab161c078d857e776a097cecb25b8ba10da891db90014d0fc44ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling tension v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.tension.4qsu23fh-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8" "/opt/rustwide/target/debug/deps/tension-c6473b82902ff2a8.3ecgp5h48ssx7935.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-c99ebba9851136ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-190ecd0479955c2e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-10cf7eacb763a707.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-5f0069e1a0595222.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-176a753cf8833059.rlib" "/opt/rustwide/target/debug/deps/libocl-79dbb74302ef54d8.rlib" "/opt/rustwide/target/debug/deps/libqutex-dfb9dd092120cff5.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-58394cd3c4cb5d5c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-34bfa4a7f77ee224.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-a96b6febc0fedee5.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-725e81724c13a8ca.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-34944e4fe4b38f7c.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-b71d276e69df7592.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-281950e12014f7ec.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-62efd5c3c3e18fe4.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-eaf618366f8551a4.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "/opt/rustwide/target/debug/deps/libnodrop-9930c0e3be6b3e1a.rlib" "/opt/rustwide/target/debug/deps/libocl_core-10c204bcb6dec539.rlib" "/opt/rustwide/target/debug/deps/libcl_sys-77a15a8f6443200b.rlib" "/opt/rustwide/target/debug/deps/libocl_core_vector-0444ef5c5325ad95.rlib" "/opt/rustwide/target/debug/deps/libnum-c6018010a3184b87.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-6327195f3c7049be.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-91bac1227ca76c85.rlib" "/opt/rustwide/target/debug/deps/librand-5d509fc47140bcd4.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-3fe01ea67961ae13.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-cb3c6371778848a1.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-1b54a6723b286e63.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-7a3ef2123a40ae59.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-1bd400f9bc0af16b.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e0c04760b8889b56.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/libfailure-fd6a903af1634638.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-f1017ae6089577dd.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-fc37096584dd689f.rlib" "/opt/rustwide/target/debug/deps/libadler-013da12b1c81b559.rlib" "/opt/rustwide/target/debug/deps/libobject-dbb94767ac9953ef.rlib" "/opt/rustwide/target/debug/deps/liblibc-77d6541a42757d2c.rlib" "/opt/rustwide/target/debug/deps/libaddr2line-a3af16ab6b77e470.rlib" "/opt/rustwide/target/debug/deps/libgimli-8d0c103f388d3262.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d82520db93b55397.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-a05fd217af1a3b9e.rlib" "/opt/rustwide/target/debug/deps/libfutures-f57264efe2215d26.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-eb3d414801dc5f26.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-ac465bc6de999387.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lOpenCL" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lOpenCL
[INFO] [stdout]           /usr/bin/ld: cannot find -lOpenCL
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tension`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8711bb6fb91ab161c078d857e776a097cecb25b8ba10da891db90014d0fc44ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8711bb6fb91ab161c078d857e776a097cecb25b8ba10da891db90014d0fc44ec", kill_on_drop: false }`
[INFO] [stdout] 8711bb6fb91ab161c078d857e776a097cecb25b8ba10da891db90014d0fc44ec