[INFO] cloning repository https://github.com/jakubdibala/gf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubdibala/gf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubdibala%2Fgf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubdibala%2Fgf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 174dfcf428295a7f06a23b1605d493f5a52095d1
[INFO] testing jakubdibala/gf against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubdibala%2Fgf" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubdibala/gf on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakubdibala/gf
[INFO] finished tweaking git repo https://github.com/jakubdibala/gf
[INFO] tweaked toml for git repo https://github.com/jakubdibala/gf written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubdibala/gf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e8f7570ffae01ab938b50984814d354e83851aa9752c7f88d4989bef4f3fd6a
[INFO] running `Command { std: "docker" "start" "-a" "7e8f7570ffae01ab938b50984814d354e83851aa9752c7f88d4989bef4f3fd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8f7570ffae01ab938b50984814d354e83851aa9752c7f88d4989bef4f3fd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8f7570ffae01ab938b50984814d354e83851aa9752c7f88d4989bef4f3fd6a", kill_on_drop: false }`
[INFO] [stdout] 7e8f7570ffae01ab938b50984814d354e83851aa9752c7f88d4989bef4f3fd6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 973cdaa17e21ca74455278e47d0fc292042ba0c6217501f990bff08818346d32
[INFO] running `Command { std: "docker" "start" "-a" "973cdaa17e21ca74455278e47d0fc292042ba0c6217501f990bff08818346d32", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling libssh2-sys v0.2.10
[INFO] [stderr]    Compiling curl-sys v0.4.8
[INFO] [stderr]    Compiling libgit2-sys v0.7.7
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling gf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clap::{Arg, App, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let repo = match git2::Repository::open(Path::new(REPO_PATH)) {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `branch_list`
[INFO] [stdout]   --> src/repository.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn branch_list(r: git2::Repository) -> Vec<Branch> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `current_branch`
[INFO] [stdout]   --> src/repository.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn current_branch(r: git2::Repository) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.gf.5abdbe21-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7.2gguh5wgb33nddci.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/libgit2-sys-5beac68032c3824a/out/lib" "-L" "/opt/rustwide/target/debug/build/curl-sys-3a248cd42db2e90c/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/target/debug/build/libssh2-sys-3a3694254164fe27/out/lib" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libclap-a8f390cb19e53fbd.rlib" "/opt/rustwide/target/debug/deps/libvec_map-57200e3d45d6f731.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-189a203f866791cb.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-5f272c72ea72a41e.rlib" "/opt/rustwide/target/debug/deps/libstrsim-d10790cb4a33b4be.rlib" "/opt/rustwide/target/debug/deps/libatty-5750bf624e1048d5.rlib" "/opt/rustwide/target/debug/deps/libansi_term-7b95e091c56f4f65.rlib" "/opt/rustwide/target/debug/deps/libgit2-31df9c454de4dd4e.rlib" "/opt/rustwide/target/debug/deps/libopenssl_probe-fe962c2cd87031d7.rlib" "/opt/rustwide/target/debug/deps/liblog-df499f72b81a4543.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-63e08e3cc3bdd3fd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c1fd6b181e1981af.rlib" "/opt/rustwide/target/debug/deps/liblibgit2_sys-2ce89cfa981284d6.rlib" "/opt/rustwide/target/debug/deps/libcurl_sys-ee4976994b373b08.rlib" "/opt/rustwide/target/debug/deps/liblibssh2_sys-9e6adedd637c5a60.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-1a25040c634a70f0.rlib" "/opt/rustwide/target/debug/deps/liblibz_sys-09f766d5a161b1cb.rlib" "/opt/rustwide/target/debug/deps/liburl-33579898f3408a34.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-0cdbfd229bde0fb2.rlib" "/opt/rustwide/target/debug/deps/libidna-241ebb7de4f2ad64.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-fab05b5ab3e0959b.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-7ac4b89f889ff88f.rlib" "/opt/rustwide/target/debug/deps/libmatches-efe3d8804af1a290.rlib" "/opt/rustwide/target/debug/deps/liblibc-9ac741036ab52362.rlib" "/opt/rustwide/target/debug/deps/libcolored-34e1c19b1a4f52e9.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-43de8a3275af45cd.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lz" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/gf-ebd174f8a94e3fd7" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libcurl_sys-ee4976994b373b08.rlib(libcurl_la-version.o): in function `brotli_version':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curl-sys-0.4.8/curl/lib/version.c:93: undefined reference to `BrotliDecoderVersion'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libcurl_sys-ee4976994b373b08.rlib(libcurl_la-version.o): in function `curl_version_info':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curl-sys-0.4.8/curl/lib/version.c:447: undefined reference to `BrotliDecoderVersion'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gf` due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "973cdaa17e21ca74455278e47d0fc292042ba0c6217501f990bff08818346d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973cdaa17e21ca74455278e47d0fc292042ba0c6217501f990bff08818346d32", kill_on_drop: false }`
[INFO] [stdout] 973cdaa17e21ca74455278e47d0fc292042ba0c6217501f990bff08818346d32