[INFO] crate btrfsutil 0.1.0 is already in cache
[INFO] testing btrfsutil-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate btrfsutil 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate btrfsutil 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate btrfsutil 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate btrfsutil 0.1.0
[INFO] tweaked toml for crates.io crate btrfsutil 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate btrfsutil 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] f5ef45c4bd4d3592cadc8340f7119f995edaf8d26af7b9a9dc677f9432c34048
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f5ef45c4bd4d3592cadc8340f7119f995edaf8d26af7b9a9dc677f9432c34048"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling thiserror v1.0.16
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling btrfsutil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `"docker" "inspect" "f5ef45c4bd4d3592cadc8340f7119f995edaf8d26af7b9a9dc677f9432c34048"`
[INFO] running `"docker" "rm" "-f" "f5ef45c4bd4d3592cadc8340f7119f995edaf8d26af7b9a9dc677f9432c34048"`
[INFO] [stdout] f5ef45c4bd4d3592cadc8340f7119f995edaf8d26af7b9a9dc677f9432c34048
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60c4e0f75f2aca85ad9491f0d8a1d50b6deb8365fa32611dc48a6d337012ca7a
[INFO] running `"docker" "start" "-a" "60c4e0f75f2aca85ad9491f0d8a1d50b6deb8365fa32611dc48a6d337012ca7a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling btrfsutil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.subvolume_iterator_info.4nm4qyfo-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d" "/opt/rustwide/target/debug/examples/subvolume_iterator_info-2888ca522452b18d.4s0bacvrjr63qlf1.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libbtrfsutil-e054142fe9144416.rlib" "/opt/rustwide/target/debug/deps/libchrono-7403c616d3733ff7.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-865a2196d63c3259.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-23999947d2fa389f.rlib" "/opt/rustwide/target/debug/deps/libtime-cb7101e1e136f394.rlib" "/opt/rustwide/target/debug/deps/liblibc-b9b48b62b9633cf5.rlib" "/opt/rustwide/target/debug/deps/libuuid-577e9dd9cb61173c.rlib" "/opt/rustwide/target/debug/deps/libthiserror-a31c1ee59022decd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-0bb1eb8c2caf8528.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lbtrfsutil" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lbtrfsutil
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `btrfsutil`.
[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: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.btrfsutil.em7uto0y-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.btrfsutil.em7uto0y-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.btrfsutil.em7uto0y-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.btrfsutil.em7uto0y-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.btrfsutil.em7uto0y-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.btrfsutil.em7uto0y-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.btrfsutil.em7uto0y-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.btrfsutil.em7uto0y-cgu.7.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b" "/opt/rustwide/target/debug/deps/btrfsutil-bebac094620a123b.1tz74qwxw58s3dxp.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lbtrfsutil" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-219fc620be977b79.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-f5064c1d87ea3eaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-6bc0764cb7f4dd96.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-72042f7f9ab0950a.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-7a49e61f83b63f93.rlib" "/opt/rustwide/target/debug/deps/libchrono-7403c616d3733ff7.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-865a2196d63c3259.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-23999947d2fa389f.rlib" "/opt/rustwide/target/debug/deps/libtime-cb7101e1e136f394.rlib" "/opt/rustwide/target/debug/deps/liblibc-b9b48b62b9633cf5.rlib" "/opt/rustwide/target/debug/deps/libuuid-577e9dd9cb61173c.rlib" "/opt/rustwide/target/debug/deps/libthiserror-a31c1ee59022decd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-0bb1eb8c2caf8528.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lbtrfsutil
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `btrfsutil`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "60c4e0f75f2aca85ad9491f0d8a1d50b6deb8365fa32611dc48a6d337012ca7a"`
[INFO] running `"docker" "rm" "-f" "60c4e0f75f2aca85ad9491f0d8a1d50b6deb8365fa32611dc48a6d337012ca7a"`
[INFO] [stdout] 60c4e0f75f2aca85ad9491f0d8a1d50b6deb8365fa32611dc48a6d337012ca7a