[INFO] fetching crate libaio-futures 0.1.9...
[INFO] testing libaio-futures-0.1.9 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libaio-futures 0.1.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libaio-futures 0.1.9 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 libaio-futures 0.1.9
[INFO] finished tweaking crates.io crate libaio-futures 0.1.9
[INFO] tweaked toml for crates.io crate libaio-futures 0.1.9 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4568439b5221476441058818fe18cdcc5a2d55cc4c1fdb9bffd7351b4164165d
[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" "4568439b5221476441058818fe18cdcc5a2d55cc4c1fdb9bffd7351b4164165d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4568439b5221476441058818fe18cdcc5a2d55cc4c1fdb9bffd7351b4164165d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4568439b5221476441058818fe18cdcc5a2d55cc4c1fdb9bffd7351b4164165d", kill_on_drop: false }`
[INFO] [stdout] 4568439b5221476441058818fe18cdcc5a2d55cc4c1fdb9bffd7351b4164165d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 33e040d9373eec74a2a2d57c98ebd8bd7259de45e5a20b9e53a04453d4b58d84
[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" "33e040d9373eec74a2a2d57c98ebd8bd7259de45e5a20b9e53a04453d4b58d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling libaio-futures v0.1.9 (/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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.aiofut.1ztn5jbg-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libaiofut.so" "-Wl,--version-script=/tmp/rustccEd5SP/list" "/opt/rustwide/target/debug/deps/aiofut.46l16r6y3oe55bng.rcgu.o" "/opt/rustwide/target/debug/deps/aiofut.y7bkhpt53sfr616.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" "-laio" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libcrossbeam_channel-fa4d2753080d3163.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libcrossbeam_utils-dc88ee9ce005ebb6.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/liblazy_static-7895c92c6d278491.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libparking_lot-e883468f09592e08.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libparking_lot_core-198c94e7587ab9d2.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libsmallvec-34880b2082f1d176.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/liblock_api-02839c16e23f9787.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libscopeguard-61a8585eac99cded.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libinstant-be14385df90a384c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libcfg_if-d836a7202f0431f0.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/liblibc-e0846f52673851a4.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libstd-e12de7683a34c500.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libpanic_unwind-446a53c2e468675f.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libminiz_oxide-86fef9fb252a2d33.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libadler-3bed9bfd30304751.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libobject-0e38eeb474a7b386.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libaddr2line-a846ed547b824740.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libgimli-c9540f0a4fb9265d.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/librustc_demangle-7d2ca66c92c356eb.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libhashbrown-147e2c808f949493.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libunwind-74bfdd0ce7d0ed48.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libcfg_if-6777f47f1c491841.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/liblibc-b104f1790174f2be.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/liballoc-db37898996f45c13.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/librustc_std_workspace_core-25b7435131fc4938.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustccEd5SP/libcore-9d4b6f3c097e876e.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustccEd5SP/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -laio
[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 `libaio-futures`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "33e040d9373eec74a2a2d57c98ebd8bd7259de45e5a20b9e53a04453d4b58d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e040d9373eec74a2a2d57c98ebd8bd7259de45e5a20b9e53a04453d4b58d84", kill_on_drop: false }`
[INFO] [stdout] 33e040d9373eec74a2a2d57c98ebd8bd7259de45e5a20b9e53a04453d4b58d84