[INFO] fetching crate reboot-arch-btw 0.2.1...
[INFO] testing reboot-arch-btw-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate reboot-arch-btw 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate reboot-arch-btw 0.2.1 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 reboot-arch-btw 0.2.1
[INFO] finished tweaking crates.io crate reboot-arch-btw 0.2.1
[INFO] tweaked toml for crates.io crate reboot-arch-btw 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate reboot-arch-btw 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7064639087a5a161bfc576e1a6176b37df308e4cefc4698856bf5c96a021870
[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" "c7064639087a5a161bfc576e1a6176b37df308e4cefc4698856bf5c96a021870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7064639087a5a161bfc576e1a6176b37df308e4cefc4698856bf5c96a021870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7064639087a5a161bfc576e1a6176b37df308e4cefc4698856bf5c96a021870", kill_on_drop: false }`
[INFO] [stdout] c7064639087a5a161bfc576e1a6176b37df308e4cefc4698856bf5c96a021870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+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] cc7f740520eba877890b2d63a5f3f739d1eb85579b66b602cb2109a22259a482
[INFO] running `Command { std: "docker" "start" "-a" "cc7f740520eba877890b2d63a5f3f739d1eb85579b66b602cb2109a22259a482", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling alpm-sys-fork v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling alpm v0.9.0
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling notify-rust v3.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling reboot-arch-btw v0.2.1 (/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/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.reboot_arch_btw.949sxt17-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc" "/opt/rustwide/target/debug/deps/reboot_arch_btw-89d6dd5e990719dc.1gdepeexacplwr4q.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnotify_rust-5be2875c9d5c2fc1.rlib" "/opt/rustwide/target/debug/deps/libdbus-969b17f91b73eea9.rlib" "/opt/rustwide/target/debug/deps/liblibdbus_sys-99b6cb8568775700.rlib" "/opt/rustwide/target/debug/deps/liblibc-72bab3e423bcd510.rlib" "/opt/rustwide/target/debug/deps/libdocopt-0afecbaea094f6a5.rlib" "/opt/rustwide/target/debug/deps/libstrsim-ac2d628de86e1bb1.rlib" "/opt/rustwide/target/debug/deps/libserde-8dd6fc95e0fc9386.rlib" "/opt/rustwide/target/debug/deps/libregex-6f8416c1b62a7ea4.rlib" "/opt/rustwide/target/debug/deps/libthread_local-76e36b18ae5ab5a5.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-8ee41e3acf264971.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-60e11e3c8decf3d4.rlib" "/opt/rustwide/target/debug/deps/libmemchr-68751ffea57ec29e.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/libalpm-26b7343eceea0ef8.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libalpm_sys_fork-529f4e9ae83672ff.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-ldbus-1" "-lutil" "-ldl" "-lutil" "-lalpm" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lalpm
[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 `reboot-arch-btw`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cc7f740520eba877890b2d63a5f3f739d1eb85579b66b602cb2109a22259a482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7f740520eba877890b2d63a5f3f739d1eb85579b66b602cb2109a22259a482", kill_on_drop: false }`
[INFO] [stdout] cc7f740520eba877890b2d63a5f3f739d1eb85579b66b602cb2109a22259a482