[INFO] fetching crate freebsd-nfs-exporter 0.3.0...
[INFO] testing freebsd-nfs-exporter-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate freebsd-nfs-exporter 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate freebsd-nfs-exporter 0.3.0 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 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-0/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" "+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-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] c9a55eea2cf9bb5b23e1702bdc18b140a31321bc0b3f3f13b6eb1c1ae8fd337b
[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" "c9a55eea2cf9bb5b23e1702bdc18b140a31321bc0b3f3f13b6eb1c1ae8fd337b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9a55eea2cf9bb5b23e1702bdc18b140a31321bc0b3f3f13b6eb1c1ae8fd337b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a55eea2cf9bb5b23e1702bdc18b140a31321bc0b3f3f13b6eb1c1ae8fd337b", kill_on_drop: false }`
[INFO] [stdout] c9a55eea2cf9bb5b23e1702bdc18b140a31321bc0b3f3f13b6eb1c1ae8fd337b
[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] cebe18d9f42a1d52ff283ca5524985b39b901203185b539ee8dbc39b5b21d868
[INFO] running `Command { std: "docker" "start" "-a" "cebe18d9f42a1d52ff283ca5524985b39b901203185b539ee8dbc39b5b21d868", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling spin v0.5.2
[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 crossbeam-channel v0.3.9
[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 crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[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 time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[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 futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[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 thiserror-impl v1.0.20
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651" "/opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.88kvnlsqudidxqt.rcgu.o" "-Wl,--gc-sections" "-pie" "-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" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libprometheus_exporter-c73faf64c0455697.rlib" "/opt/rustwide/target/debug/deps/libprometheus-ee0d022dc9b2b263.rlib" "/opt/rustwide/target/debug/deps/libthiserror-18c391fbdda6f7c0.rlib" "/opt/rustwide/target/debug/deps/libspin-37d4123b82335501.rlib" "/opt/rustwide/target/debug/deps/libhyper-8e7f94fd9e1ea854.rlib" "/opt/rustwide/target/debug/deps/libwant-1601a1ebcc88b14d.rlib" "/opt/rustwide/target/debug/deps/libtry_lock-b8196e235d856c93.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-597a97f88db94554.rlib" "/opt/rustwide/target/debug/deps/libtokio-1490b3162f0d5227.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-1738dae927705ae2.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-542a7782878ce1be.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-b0535afb18dcbfef.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-bde85764cb6ac566.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-5c576277af4dffcc.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-4282825e252e02e8.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-9dec6d583e2772a7.rlib" "/opt/rustwide/target/debug/deps/libtokio_sync-aa5654533bf23fe4.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-ce613638dc28777b.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-6d3892790a2d265e.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-6e593f3f88821277.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-ba8c860573beb973.rlib" "/opt/rustwide/target/debug/deps/liblock_api-dbb4a111800d5527.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-61a8585eac99cded.rlib" "/opt/rustwide/target/debug/deps/libtokio_current_thread-ba39f883fb8f2189.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-b4b1d49379e73ddb.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-ff13728372c662eb.rlib" "/opt/rustwide/target/debug/deps/libmio-62cc9a909a6f826a.rlib" "/opt/rustwide/target/debug/deps/libtime-d4b1b0b857ef0497.rlib" "/opt/rustwide/target/debug/deps/libnet2-0a08ae199a10849c.rlib" "/opt/rustwide/target/debug/deps/libhttparse-70ee21a856a9db0a.rlib" "/opt/rustwide/target/debug/deps/libhttp_body-6ba8e18866194a55.rlib" "/opt/rustwide/target/debug/deps/libtokio_buf-ca559e74cbfb5ad8.rlib" "/opt/rustwide/target/debug/deps/libh2-316a92676e785219.rlib" "/opt/rustwide/target/debug/deps/libindexmap-64a092c2b155e8a8.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-bb79e8527a927b4f.rlib" "/opt/rustwide/target/debug/deps/libstring-11ff21f46998144e.rlib" "/opt/rustwide/target/debug/deps/libslab-65742487a18009d6.rlib" "/opt/rustwide/target/debug/deps/libhttp-95ffd81acd9d9b90.rlib" "/opt/rustwide/target/debug/deps/libitoa-2e73d811797b95b6.rlib" "/opt/rustwide/target/debug/deps/libfnv-751e5967119454f8.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-4cf86fb9a8b1d79b.rlib" "/opt/rustwide/target/debug/deps/libfutures_cpupool-51b3cf452a92d318.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-d8e9d4a47c8ce0fb.rlib" "/opt/rustwide/target/debug/deps/libfutures-f7032f10c30c3cc1.rlib" "/opt/rustwide/target/debug/deps/libbytes-cd36e8651991c702.rlib" "/opt/rustwide/target/debug/deps/libeither-b72f22f81a438e36.rlib" "/opt/rustwide/target/debug/deps/libiovec-ea102f0fe5c76fea.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-58d581c7ec626514.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-09178b46ee20288f.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-b2829793337ebbd5.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-9cb8c404138a090a.rlib" "/opt/rustwide/target/debug/deps/libhumantime-a0805a6c6ee779f1.rlib" "/opt/rustwide/target/debug/deps/libquick_error-02525b70077f996f.rlib" "/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/libregex-c3ea0fa2ade1425a.rlib" "/opt/rustwide/target/debug/deps/libthread_local-76e36b18ae5ab5a5.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-a9dd61adc4379188.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-7e3abd05b132d39b.rlib" "/opt/rustwide/target/debug/deps/libmemchr-68751ffea57ec29e.rlib" "/opt/rustwide/target/debug/deps/libclap-df3b331647a9cf7c.rlib" "/opt/rustwide/target/debug/deps/libvec_map-97b2d50686bf36e9.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-c6e5ad5dd55bdd8b.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-6a2548713a451fe0.rlib" "/opt/rustwide/target/debug/deps/libstrsim-8b805b0832095d99.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libatty-adc2ca76d74a5697.rlib" "/opt/rustwide/target/debug/deps/liblibc-79ce91938f18c360.rlib" "/opt/rustwide/target/debug/deps/libansi_term-017778a055950e81.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" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/nfs_exporter-1bd3a7857cfa1651.nfs_exporter.a38j7d5s-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" "cebe18d9f42a1d52ff283ca5524985b39b901203185b539ee8dbc39b5b21d868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebe18d9f42a1d52ff283ca5524985b39b901203185b539ee8dbc39b5b21d868", kill_on_drop: false }`
[INFO] [stdout] cebe18d9f42a1d52ff283ca5524985b39b901203185b539ee8dbc39b5b21d868