[INFO] updating cached repository https://github.com/jakubdibala/gf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 174dfcf428295a7f06a23b1605d493f5a52095d1
[INFO] testing jakubdibala/gf against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubdibala%2Fgf" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubdibala/gf on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-8/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a747f636f667cc27cac831bbeb09b538548a8b700732137c5d792527b5ec5dd4
[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" "a747f636f667cc27cac831bbeb09b538548a8b700732137c5d792527b5ec5dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a747f636f667cc27cac831bbeb09b538548a8b700732137c5d792527b5ec5dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a747f636f667cc27cac831bbeb09b538548a8b700732137c5d792527b5ec5dd4", kill_on_drop: false }`
[INFO] [stdout] a747f636f667cc27cac831bbeb09b538548a8b700732137c5d792527b5ec5dd4
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c14010dd3846e2459267dd734f39bdc043eaaee8bf1f0e7a5dbf9ecfd233508
[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" "9c14010dd3846e2459267dd734f39bdc043eaaee8bf1f0e7a5dbf9ecfd233508", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling curl-sys v0.4.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.10
[INFO] [stderr]    Compiling libgit2-sys v0.7.7
[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/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.gf.2tsafflm-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296" "/opt/rustwide/target/debug/deps/gf-36da5dccccc38296.1p3ei1jaz83lg2oj.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-e45440673d2b9c69/out/lib" "-L" "/opt/rustwide/target/debug/build/curl-sys-a6cf846f3a944252/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/target/debug/build/libssh2-sys-93060a7ad7e092ed/out/lib" "-L" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libclap-0ec3f3246eef7716.rlib" "/opt/rustwide/target/debug/deps/libvec_map-5dc04564fb1f035e.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-c7b1abc8952a65b3.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-e66923fd97961770.rlib" "/opt/rustwide/target/debug/deps/libstrsim-3342e222d16844bb.rlib" "/opt/rustwide/target/debug/deps/libatty-619df8bb89d3fd39.rlib" "/opt/rustwide/target/debug/deps/libansi_term-22553bc1a6ab7a23.rlib" "/opt/rustwide/target/debug/deps/libgit2-7c1b97efd13c7c26.rlib" "/opt/rustwide/target/debug/deps/libopenssl_probe-9c28753db8cc8374.rlib" "/opt/rustwide/target/debug/deps/liblog-b38a12bef070e4fb.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b288d121a815211f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-d84be2ed0b8bbca8.rlib" "/opt/rustwide/target/debug/deps/liblibgit2_sys-4f69a7f1008400c1.rlib" "/opt/rustwide/target/debug/deps/libcurl_sys-f206778d400b2e9c.rlib" "/opt/rustwide/target/debug/deps/liblibssh2_sys-eb5c0b34d25e38ea.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-83eb5fa2a0b70fcf.rlib" "/opt/rustwide/target/debug/deps/liblibz_sys-eebef7a5a3f8d404.rlib" "/opt/rustwide/target/debug/deps/liburl-d2de251dfe1b9eb7.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-7d671435c22c2140.rlib" "/opt/rustwide/target/debug/deps/libidna-62ab5fd591663edf.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-d0b37690a3a5c528.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-81f7bca86d771a09.rlib" "/opt/rustwide/target/debug/deps/libmatches-84413336e46be589.rlib" "/opt/rustwide/target/debug/deps/liblibc-111fa2dfb6f588ad.rlib" "/opt/rustwide/target/debug/deps/libcolored-ef8ba08c4dba885e.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f3706ce230eb2d7f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.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-f206778d400b2e9c.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-f206778d400b2e9c.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" "9c14010dd3846e2459267dd734f39bdc043eaaee8bf1f0e7a5dbf9ecfd233508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c14010dd3846e2459267dd734f39bdc043eaaee8bf1f0e7a5dbf9ecfd233508", kill_on_drop: false }`
[INFO] [stdout] 9c14010dd3846e2459267dd734f39bdc043eaaee8bf1f0e7a5dbf9ecfd233508