[INFO] fetching crate forrustts 0.1.1...
[INFO] testing forrustts-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate forrustts 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate forrustts 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forrustts 0.1.1
[INFO] finished tweaking crates.io crate forrustts 0.1.1
[INFO] tweaked toml for crates.io crate forrustts 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67b84799b0fb40e591c3473eab008fb30f9758541d52c0a44692ae995f555915
[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" "67b84799b0fb40e591c3473eab008fb30f9758541d52c0a44692ae995f555915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67b84799b0fb40e591c3473eab008fb30f9758541d52c0a44692ae995f555915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b84799b0fb40e591c3473eab008fb30f9758541d52c0a44692ae995f555915", kill_on_drop: false }`
[INFO] [stdout] 67b84799b0fb40e591c3473eab008fb30f9758541d52c0a44692ae995f555915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 454f35cd4a4710fd126986ee0eaa4eaff13688173a0d38188c5edae27ce41206
[INFO] running `Command { std: "docker" "start" "-a" "454f35cd4a4710fd126986ee0eaa4eaff13688173a0d38188c5edae27ce41206", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling GSL-sys v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.gsl_sys.7v4tf38p-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libgsl_sys-f0ea265c9ccae6e1.so" "-Wl,--version-script=/tmp/rustcVhxWBj/list" "/opt/rustwide/target/debug/deps/gsl_sys-f0ea265c9ccae6e1.3nb11l1x11ohzwwu.rcgu.o" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lgsl" "-lgslcblas" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcVhxWBj/liblibc-e0846f52673851a4.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bdynamic" "-lstd-e12de7683a34c500" "-Wl,--end-group" "-Wl,-Bstatic" "/tmp/rustcVhxWBj/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lgsl
[INFO] [stdout]           /usr/bin/ld: cannot find -lgslcblas
[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 `GSL-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "454f35cd4a4710fd126986ee0eaa4eaff13688173a0d38188c5edae27ce41206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454f35cd4a4710fd126986ee0eaa4eaff13688173a0d38188c5edae27ce41206", kill_on_drop: false }`
[INFO] [stdout] 454f35cd4a4710fd126986ee0eaa4eaff13688173a0d38188c5edae27ce41206