[INFO] fetching crate freebsd-nfs-exporter 0.3.0...
[INFO] testing freebsd-nfs-exporter-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate freebsd-nfs-exporter 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate freebsd-nfs-exporter 0.3.0 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 freebsd-nfs-exporter 0.3.0
[INFO] finished tweaking crates.io crate freebsd-nfs-exporter 0.3.0
[INFO] tweaked toml for crates.io crate freebsd-nfs-exporter 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate freebsd-nfs-exporter 0.3.0 already has a lockfile, it will not be regenerated
[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 either v1.6.0
[INFO] [stderr]   Downloaded indexmap v1.5.2
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded prometheus_exporter v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+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] c0398e169c52d18fde658613391ce28c1318df8714c46605fa173fa358533dd2
[INFO] running `Command { std: "docker" "start" "-a" "c0398e169c52d18fde658613391ce28c1318df8714c46605fa173fa358533dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0398e169c52d18fde658613391ce28c1318df8714c46605fa173fa358533dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0398e169c52d18fde658613391ce28c1318df8714c46605fa173fa358533dd2", kill_on_drop: false }`
[INFO] [stdout] c0398e169c52d18fde658613391ce28c1318df8714c46605fa173fa358533dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 621d87ba6ae960977709050d05bad7763e13ff9868f2b32a21f5f3112f696a81
[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" "621d87ba6ae960977709050d05bad7763e13ff9868f2b32a21f5f3112f696a81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling prometheus_exporter v0.6.1
[INFO] [stderr]    Compiling freebsd-nfs-exporter v0.3.0 (/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/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db" "/opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.egv4plje8557fof.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/target/debug/deps/libprometheus_exporter-c6d942d443f6f1e6.rlib" "/opt/rustwide/target/debug/deps/libprometheus-70cfd8e00460da14.rlib" "/opt/rustwide/target/debug/deps/libthiserror-08d031a8ac1f7f15.rlib" "/opt/rustwide/target/debug/deps/libspin-3b7e09eb6993769d.rlib" "/opt/rustwide/target/debug/deps/libhyper-8829f0da3fe4c922.rlib" "/opt/rustwide/target/debug/deps/libwant-668072561cbd2c8b.rlib" "/opt/rustwide/target/debug/deps/libtry_lock-1c025aec5b81abc7.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-b48c11f710e91383.rlib" "/opt/rustwide/target/debug/deps/libtokio-a608a7dc969ca22f.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-553988dc77b781a4.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-a06e916e9e52a2eb.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-34bfa4a7f77ee224.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-9356e000e4e650a6.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-d144910bbbb0c51c.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-30d5e429c8607b98.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-62c4040da423e7ec.rlib" "/opt/rustwide/target/debug/deps/libtokio_sync-372144012d008ca1.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-cdece391d2296f30.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-1826a98ee1bd2265.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-d9981de35443877c.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-eaf618366f8551a4.rlib" "/opt/rustwide/target/debug/deps/liblock_api-956c5a7d07778f10.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-b71d276e69df7592.rlib" "/opt/rustwide/target/debug/deps/libtokio_current_thread-57a014e900b7f1f5.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-1da27e35676ca9cc.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-62efd5c3c3e18fe4.rlib" "/opt/rustwide/target/debug/deps/libmio-8ff3282938e8abcc.rlib" "/opt/rustwide/target/debug/deps/libtime-0a5a678f9330914a.rlib" "/opt/rustwide/target/debug/deps/libnet2-fd533347bb587715.rlib" "/opt/rustwide/target/debug/deps/libhttparse-4498e44828a5bbeb.rlib" "/opt/rustwide/target/debug/deps/libhttp_body-d22977ac876aea7e.rlib" "/opt/rustwide/target/debug/deps/libtokio_buf-7701ab029e3a0d14.rlib" "/opt/rustwide/target/debug/deps/libh2-847cbf47b435c27a.rlib" "/opt/rustwide/target/debug/deps/libindexmap-64a7bc514948af2c.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-ccf2427e43844e76.rlib" "/opt/rustwide/target/debug/deps/libstring-e232490c78b9c880.rlib" "/opt/rustwide/target/debug/deps/libslab-f568091877b30548.rlib" "/opt/rustwide/target/debug/deps/libhttp-fce96fc167e44366.rlib" "/opt/rustwide/target/debug/deps/libitoa-d91ad7e883758af9.rlib" "/opt/rustwide/target/debug/deps/libfnv-9bab2cd4d16544dd.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-8abcccafb31c4d76.rlib" "/opt/rustwide/target/debug/deps/libfutures_cpupool-eb84b62928423a97.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-2b1fa455fb9b58b3.rlib" "/opt/rustwide/target/debug/deps/libfutures-98504813382a1383.rlib" "/opt/rustwide/target/debug/deps/libbytes-a13536a3b0a936b8.rlib" "/opt/rustwide/target/debug/deps/libeither-6f736e1104194765.rlib" "/opt/rustwide/target/debug/deps/libiovec-60e7e2d066b43b2c.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-2f9d4a3f19411b1e.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-01de5301709fb508.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-2a3e5563c3d7c7b8.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-6c5388856b45f301.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-e4b34bdcfdb5f1c4.rlib" "/opt/rustwide/target/debug/deps/libhumantime-d1daf477eefaee41.rlib" "/opt/rustwide/target/debug/deps/libquick_error-671ab0df75bdceb5.rlib" "/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "/opt/rustwide/target/debug/deps/libregex-7e54aceed60f31bf.rlib" "/opt/rustwide/target/debug/deps/libthread_local-abd19461110d9879.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-ecd352392faaf83d.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-d9b457e9389a1382.rlib" "/opt/rustwide/target/debug/deps/libmemchr-90bac19b7815f3a4.rlib" "/opt/rustwide/target/debug/deps/libclap-df1b1926ae958eea.rlib" "/opt/rustwide/target/debug/deps/libvec_map-9c64949c2f867b0b.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-24249d84d50da6cf.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-906fa989c4fba052.rlib" "/opt/rustwide/target/debug/deps/libstrsim-794cc78f848fe7af.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/libatty-d3943f647909870f.rlib" "/opt/rustwide/target/debug/deps/liblibc-d7bd113b9466b080.rlib" "/opt/rustwide/target/debug/deps/libansi_term-4b9c56ff58f1d4f8.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" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/nfs_exporter-59d3b5a4ae5121db.nfs_exporter.442r0vnx-cgu.15.rcgu.o: in function `nfs_exporter::nfs::collect':
[INFO] [stdout]           /opt/rustwide/workdir/src/nfs.rs:145: undefined reference to `nfssvc'
[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 `freebsd-nfs-exporter`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "621d87ba6ae960977709050d05bad7763e13ff9868f2b32a21f5f3112f696a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621d87ba6ae960977709050d05bad7763e13ff9868f2b32a21f5f3112f696a81", kill_on_drop: false }`
[INFO] [stdout] 621d87ba6ae960977709050d05bad7763e13ff9868f2b32a21f5f3112f696a81