[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubdibala%2Fgf" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubdibala/gf on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+1.47.0" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b0d532d46b82dffd0a527d63c4ac7ada6b0ebb622780a17ccb78493e8ffdd36
[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" "8b0d532d46b82dffd0a527d63c4ac7ada6b0ebb622780a17ccb78493e8ffdd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0d532d46b82dffd0a527d63c4ac7ada6b0ebb622780a17ccb78493e8ffdd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0d532d46b82dffd0a527d63c4ac7ada6b0ebb622780a17ccb78493e8ffdd36", kill_on_drop: false }`
[INFO] [stdout] 8b0d532d46b82dffd0a527d63c4ac7ada6b0ebb622780a17ccb78493e8ffdd36
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0ce778d149a08d80bec5150622c0455eae1fdfda861f09ddf4d734d6007803
[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" "ac0ce778d149a08d80bec5150622c0455eae1fdfda861f09ddf4d734d6007803", 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 percent-encoding v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[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 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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.gf.ez2mra7v-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed" "/opt/rustwide/target/debug/deps/gf-b5449305b67d12ed.4oev9tjkcirb2g38.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/libgit2-sys-3703f29e283d4fe7/out/lib" "-L" "/opt/rustwide/target/debug/build/curl-sys-076184d204e0e6b9/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/target/debug/build/libssh2-sys-ec0fd3182856f9c3/out/lib" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libclap-714c53c859e83419.rlib" "/opt/rustwide/target/debug/deps/libvec_map-0f0153d8a4934ee0.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-8fe83bb7b321669d.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-53c09f2b1a4ad7a9.rlib" "/opt/rustwide/target/debug/deps/libstrsim-ea03f5065b404c61.rlib" "/opt/rustwide/target/debug/deps/libatty-6f9c7898045f0266.rlib" "/opt/rustwide/target/debug/deps/libansi_term-aefa377f3787504e.rlib" "/opt/rustwide/target/debug/deps/libgit2-9bb1879311b805d6.rlib" "/opt/rustwide/target/debug/deps/libopenssl_probe-d2addc7c319bc593.rlib" "/opt/rustwide/target/debug/deps/liblog-f2befec7b13c7d5a.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-be16d4ef07944488.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2f2b36b8a5064fee.rlib" "/opt/rustwide/target/debug/deps/liblibgit2_sys-558a07386fb0089b.rlib" "/opt/rustwide/target/debug/deps/libcurl_sys-97a347b7a36bf38c.rlib" "/opt/rustwide/target/debug/deps/liblibssh2_sys-d72ae693981469dc.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-625a437e5f8a51e5.rlib" "/opt/rustwide/target/debug/deps/liblibz_sys-f9f4ccc7b0675ecc.rlib" "/opt/rustwide/target/debug/deps/liburl-bf0b58dc52976c42.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-f0873e6bfb74e5f3.rlib" "/opt/rustwide/target/debug/deps/libidna-65662c38f0c74316.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-1a8dd001d9432d00.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-dade267ce787880d.rlib" "/opt/rustwide/target/debug/deps/libmatches-d4a8209e39f39d5c.rlib" "/opt/rustwide/target/debug/deps/liblibc-a59c871a1b92ae29.rlib" "/opt/rustwide/target/debug/deps/libcolored-afd0d7c07d0876b0.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-d1ebcb12f2ed56b8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lz" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libcurl_sys-97a347b7a36bf38c.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-97a347b7a36bf38c.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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ac0ce778d149a08d80bec5150622c0455eae1fdfda861f09ddf4d734d6007803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0ce778d149a08d80bec5150622c0455eae1fdfda861f09ddf4d734d6007803", kill_on_drop: false }`
[INFO] [stdout] ac0ce778d149a08d80bec5150622c0455eae1fdfda861f09ddf4d734d6007803
