[INFO] fetching crate tension 0.0.2...
[INFO] testing tension-0.0.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tension 0.0.2 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate tension 0.0.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d6f893257332d216d84e6c00ad03c2785fead156530ea9a10ab36dc5851825e
[INFO] running `Command { std: "docker" "start" "-a" "7d6f893257332d216d84e6c00ad03c2785fead156530ea9a10ab36dc5851825e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d6f893257332d216d84e6c00ad03c2785fead156530ea9a10ab36dc5851825e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6f893257332d216d84e6c00ad03c2785fead156530ea9a10ab36dc5851825e", kill_on_drop: false }`
[INFO] [stdout] 7d6f893257332d216d84e6c00ad03c2785fead156530ea9a10ab36dc5851825e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b2247f07d746de5cfbccbdc7135c1df4034034b61e42f4ade9043ab10c9f4dd
[INFO] running `Command { std: "docker" "start" "-a" "6b2247f07d746de5cfbccbdc7135c1df4034034b61e42f4ade9043ab10c9f4dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling ocl-core v0.11.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling qutex v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[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 14.82s
[INFO] running `Command { std: "docker" "inspect" "6b2247f07d746de5cfbccbdc7135c1df4034034b61e42f4ade9043ab10c9f4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2247f07d746de5cfbccbdc7135c1df4034034b61e42f4ade9043ab10c9f4dd", kill_on_drop: false }`
[INFO] [stdout] 6b2247f07d746de5cfbccbdc7135c1df4034034b61e42f4ade9043ab10c9f4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72c9c335ba4029f635d0c173e09bed13ff3042667461b9c95f482fc237e055e3
[INFO] running `Command { std: "docker" "start" "-a" "72c9c335ba4029f635d0c173e09bed13ff3042667461b9c95f482fc237e055e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tension v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.tension.8ef57f29-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377.2fbz20egaao8jxbx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-ea87b6c2fe761216.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-91b9e0d063734789.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-2ddfc09cde4cdc0c.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-d066e6f50a258123.rlib" "/opt/rustwide/target/debug/deps/libocl-3370d630d75ac13f.rlib" "/opt/rustwide/target/debug/deps/libqutex-d41384ed2bb5348b.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-96e3f8a0c5ba43b2.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-998d0f204254cad2.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-24be094624d2980f.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-dd17bac340877644.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-4233d6e5365c8bf1.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-ff2bb1f39834214d.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-a02fd8fc659ff8e9.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-75bf44047c6c4868.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-6eeb474ed04b0fb7.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-81c3651d70dd4895.rlib" "/opt/rustwide/target/debug/deps/libnodrop-74b1b15f63fcdd40.rlib" "/opt/rustwide/target/debug/deps/libocl_core-e65cb0be69426b22.rlib" "/opt/rustwide/target/debug/deps/libcl_sys-54fc0d59e36a389e.rlib" "/opt/rustwide/target/debug/deps/libocl_core_vector-016f47244b37d70b.rlib" "/opt/rustwide/target/debug/deps/libnum-a338a95e49e53fd5.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-63976aaaa3b79d50.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-9cbf7160b7d05d7a.rlib" "/opt/rustwide/target/debug/deps/librand-b487ce58e880d262.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-dd4bcc0b305841d4.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-70a0ef3db61c94df.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-f6dc4512fc4f6585.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-306a29a12f142e2b.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-599d08b4138c40e8.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-628482ed865f067b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-05dfd5b5d1225bed.rlib" "/opt/rustwide/target/debug/deps/libfailure-900ef6b832955066.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-68a543c9a25dc8fc.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-8cb202a41ad569df.rlib" "/opt/rustwide/target/debug/deps/libadler-3a9d1165c599cab1.rlib" "/opt/rustwide/target/debug/deps/libobject-a26b9722fcc83c5f.rlib" "/opt/rustwide/target/debug/deps/libmemchr-461c914753a639e8.rlib" "/opt/rustwide/target/debug/deps/liblibc-91d257e9eed50cc0.rlib" "/opt/rustwide/target/debug/deps/libaddr2line-7c7a618447d0c875.rlib" "/opt/rustwide/target/debug/deps/libgimli-77d5d8fe668a6006.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-5d383c335f8e8ef8.rlib" "/opt/rustwide/target/debug/deps/libfutures-0b0214b74e044a62.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-8c439ef63a774264.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-465a2bd5cb0fd6cd.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/tension-6c459ddc3ce9f377" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "72c9c335ba4029f635d0c173e09bed13ff3042667461b9c95f482fc237e055e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c9c335ba4029f635d0c173e09bed13ff3042667461b9c95f482fc237e055e3", kill_on_drop: false }`
[INFO] [stdout] 72c9c335ba4029f635d0c173e09bed13ff3042667461b9c95f482fc237e055e3