[INFO] fetching crate ffcnt 0.3.0...
[INFO] testing ffcnt-0.3.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ffcnt 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ffcnt 0.3.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffcnt 0.3.0
[INFO] finished tweaking crates.io crate ffcnt 0.3.0
[INFO] tweaked toml for crates.io crate ffcnt 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-error v0.0.3
[INFO] [stderr]   Downloaded minilzo v0.1.2
[INFO] [stderr]   Downloaded platter-walk v0.1.2
[INFO] [stderr]   Downloaded minilzo-sys v0.1.0
[INFO] [stderr]   Downloaded mnt v0.3.1
[INFO] [stderr]   Downloaded btrfs2 v1.2.2
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e8b63a6b4bfa991193b18044560bddd33ee3e59d1bcb808a0934d7f93924f0d
[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" "9e8b63a6b4bfa991193b18044560bddd33ee3e59d1bcb808a0934d7f93924f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e8b63a6b4bfa991193b18044560bddd33ee3e59d1bcb808a0934d7f93924f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8b63a6b4bfa991193b18044560bddd33ee3e59d1bcb808a0934d7f93924f0d", kill_on_drop: false }`
[INFO] [stdout] 9e8b63a6b4bfa991193b18044560bddd33ee3e59d1bcb808a0934d7f93924f0d
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 7a6d4183c076df89f1acd5a15cbbec5398e8b7e9cb25677431d09d87d52ec5dc
[INFO] running `Command { std: "docker" "start" "-a" "7a6d4183c076df89f1acd5a15cbbec5398e8b7e9cb25677431d09d87d52ec5dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling minilzo-sys v0.1.0
[INFO] [stderr]    Compiling mnt v0.3.1
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling minilzo v0.1.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]    Compiling btrfs2 v1.2.2
[INFO] [stderr]    Compiling platter-walk v0.1.2
[INFO] [stderr]    Compiling ffcnt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:177:56
[INFO] [stdout]     |
[INFO] [stdout] 177 |                     writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout] 17  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:204:48
[INFO] [stdout]     |
[INFO] [stdout] 204 |             writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.ffcnt.1xv6qave-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099" "/opt/rustwide/target/debug/deps/ffcnt-c5bf6e17a776f099.1paztxjxuqel7xea.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/miniz-sys-916b5dda450a9fb5/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libisatty-0d5448afbc9d4e77.rlib" "/opt/rustwide/target/debug/deps/libplatter_walk-76c638ea2cd34713.rlib" "/opt/rustwide/target/debug/deps/libmnt-e2f868b26d2992f9.rlib" "/opt/rustwide/target/debug/deps/libbtrfs2-f0ed048962b08fbd.rlib" "/opt/rustwide/target/debug/deps/libuuid-b6653b5f4049015f.rlib" "/opt/rustwide/target/debug/deps/libminilzo-6c4b0bcdc56466cb.rlib" "/opt/rustwide/target/debug/deps/libminilzo_sys-d03883155f95292c.rlib" "/opt/rustwide/target/debug/deps/libflate2-f07a3839f7c37a44.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-d34b8076143290b2.rlib" "/opt/rustwide/target/debug/deps/libcrc-eb2f0502c7cf0197.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2ea69cae54b65af6.rlib" "/opt/rustwide/target/debug/deps/libnix-3421e8b81d4a53e4.rlib" "/opt/rustwide/target/debug/deps/libvoid-2b8404f9072f9abf.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "/opt/rustwide/target/debug/deps/libclap-4fd30721bd7ee8fc.rlib" "/opt/rustwide/target/debug/deps/libvec_map-7100684f869cd5d4.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-8ae0f8936ac22737.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-205a394572a8e7c4.rlib" "/opt/rustwide/target/debug/deps/libstrsim-22d7efa33182e3c6.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/libatty-3552710980297a7c.rlib" "/opt/rustwide/target/debug/deps/liblibc-e52aab25f5d90c7e.rlib" "/opt/rustwide/target/debug/deps/libansi_term-fe7bdec5ded10333.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-llzo2" "-lz" "-llzo2" "-llzo2" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -llzo2
[INFO] [stdout]           /usr/bin/ld: cannot find -llzo2
[INFO] [stdout]           /usr/bin/ld: cannot find -llzo2
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ffcnt`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7a6d4183c076df89f1acd5a15cbbec5398e8b7e9cb25677431d09d87d52ec5dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6d4183c076df89f1acd5a15cbbec5398e8b7e9cb25677431d09d87d52ec5dc", kill_on_drop: false }`
[INFO] [stdout] 7a6d4183c076df89f1acd5a15cbbec5398e8b7e9cb25677431d09d87d52ec5dc
