[INFO] fetching crate verne 0.1.0... [INFO] testing verne-0.1.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate verne 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate verne 0.1.0 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 verne 0.1.0 [INFO] finished tweaking crates.io crate verne 0.1.0 [INFO] tweaked toml for crates.io crate verne 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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 virt v0.2.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 8d04cba55ec563de1980522e7f6301b04ab3aabd569e72ae415de8373a95fdf6 [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" "8d04cba55ec563de1980522e7f6301b04ab3aabd569e72ae415de8373a95fdf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d04cba55ec563de1980522e7f6301b04ab3aabd569e72ae415de8373a95fdf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d04cba55ec563de1980522e7f6301b04ab3aabd569e72ae415de8373a95fdf6", kill_on_drop: false }` [INFO] [stdout] 8d04cba55ec563de1980522e7f6301b04ab3aabd569e72ae415de8373a95fdf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7cf77f7393ef86f650ffb5886d5f338a40ef95487717aede7f5182a585afa986 [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" "7cf77f7393ef86f650ffb5886d5f338a40ef95487717aede7f5182a585afa986", kill_on_drop: false }` [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling virt v0.2.11 [INFO] [stderr] Compiling verne v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `vcpus` [INFO] [stdout] --> src/libvirt.rs:54:18 [INFO] [stdout] | [INFO] [stdout] 54 | ref vcpus, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `vcpus: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/libvirt.rs:55:18 [INFO] [stdout] | [INFO] [stdout] 55 | ref memory, [INFO] [stdout] | ^^^^^^^^^^ help: try ignoring the field: `memory: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/libvirt.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | dom.destroy(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/libvirt.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 126 | dom.undefine(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/libvirt.rs:128:17 [INFO] [stdout] | [INFO] [stdout] 128 | dom.free(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [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-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.verne.9d7ffl44-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808" "/opt/rustwide/target/debug/deps/verne-fd5539fe9e066808.2xurz6zokaa8boox.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/libverne-d75b7541e1fa0032.rlib" "/opt/rustwide/target/debug/deps/libvirt-0007ddf108965aeb.rlib" "/opt/rustwide/target/debug/deps/liblibc-77d6541a42757d2c.rlib" "/opt/rustwide/target/debug/deps/libyaml_rust-853d97c231b3cc98.rlib" "/opt/rustwide/target/debug/deps/libgetopts-c518f965bc486c62.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-906fa989c4fba052.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-9009aa502c78c578.rlib" "/opt/rustwide/target/debug/deps/libregex-cfab1c75f832fbc6.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-5f7e849363b8b7b2.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-7cceea5d5695388b.rlib" "/opt/rustwide/target/debug/deps/libucd_util-91926941ec642f05.rlib" "/opt/rustwide/target/debug/deps/libthread_local-812f6a3f0004ea44.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-d8efaeacb3fceedc.rlib" "/opt/rustwide/target/debug/deps/libmemchr-07d9dc3856c9a09c.rlib" "/opt/rustwide/target/debug/deps/liblog-2151a70b73779053.rlib" "/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.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" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" [INFO] [stdout] = note: /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [INFO] [stdout] /usr/bin/ld: cannot find -lvirt [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 `verne` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "7cf77f7393ef86f650ffb5886d5f338a40ef95487717aede7f5182a585afa986", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cf77f7393ef86f650ffb5886d5f338a40ef95487717aede7f5182a585afa986", kill_on_drop: false }` [INFO] [stdout] 7cf77f7393ef86f650ffb5886d5f338a40ef95487717aede7f5182a585afa986