[INFO] cloning repository https://github.com/TopGunSnake/example-simulators
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TopGunSnake/example-simulators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopGunSnake%2Fexample-simulators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopGunSnake%2Fexample-simulators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c735329253b3fce2d682759ca71403eb9167b66e
[INFO] testing TopGunSnake/example-simulators against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopGunSnake%2Fexample-simulators" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TopGunSnake/example-simulators on toolchain 6c20ab744b0f82646d90ce9d25894823abc9c669
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/TopGunSnake/example-simulators
[INFO] finished tweaking git repo https://github.com/TopGunSnake/example-simulators
[INFO] tweaked toml for git repo https://github.com/TopGunSnake/example-simulators written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/TopGunSnake/example-simulators already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8fe6d8281bb3183993d9c22a62d7e4bb3de315310616513a21f1877acc3a8f7
[INFO] running `Command { std: "docker" "start" "-a" "c8fe6d8281bb3183993d9c22a62d7e4bb3de315310616513a21f1877acc3a8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8fe6d8281bb3183993d9c22a62d7e4bb3de315310616513a21f1877acc3a8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fe6d8281bb3183993d9c22a62d7e4bb3de315310616513a21f1877acc3a8f7", kill_on_drop: false }`
[INFO] [stdout] c8fe6d8281bb3183993d9c22a62d7e4bb3de315310616513a21f1877acc3a8f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e8a7ae220de6adccf2ded3d38c7ba02fe41d8f6bb91f25141f21e80cdf0d4f
[INFO] running `Command { std: "docker" "start" "-a" "d6e8a7ae220de6adccf2ded3d38c7ba02fe41d8f6bb91f25141f21e80cdf0d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling example-simulators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/tmp/rustc48fiAW/symbols.o" "/opt/rustwide/target/debug/deps/example_simulators-a2878e817ed63dba.example_simulators.850af457-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/example_simulators-a2878e817ed63dba.example_simulators.850af457-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/example_simulators-a2878e817ed63dba.example_simulators.850af457-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/example_simulators-a2878e817ed63dba.example_simulators.850af457-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/example_simulators-a2878e817ed63dba.example_simulators.850af457-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/example_simulators-a2878e817ed63dba.example_simulators.850af457-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/example_simulators-a2878e817ed63dba.1ne45ve0s58bhgqq.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,--start-group" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1aab30bac2090a15.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9cdaf64f7570f7ff.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-7d64cc870c011631.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-a0a88b78deed3a16.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-315eac6a3174b13c.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-778610d63efc39ce.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-11737b9eef3e285d.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-8165420a20fe4548.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-db4c499f2074199d.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1a230f9a19aa3698.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-605ec4e87a2c9d10.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5f171797b6654b84.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-990f92fdff457c3a.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-66ccc5a2fa17d637.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9dba3f083c9eb142.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-dfc71beee59013ce.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-522518611024dce5.rlib" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-05898138a596088a.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6f7f4877ee9c613e.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/6c20ab744b0f82646d90ce9d25894823abc9c669/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/example_simulators-a2878e817ed63dba" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `example-simulators` due to previous error
[INFO] running `Command { std: "docker" "inspect" "d6e8a7ae220de6adccf2ded3d38c7ba02fe41d8f6bb91f25141f21e80cdf0d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e8a7ae220de6adccf2ded3d38c7ba02fe41d8f6bb91f25141f21e80cdf0d4f", kill_on_drop: false }`
[INFO] [stdout] d6e8a7ae220de6adccf2ded3d38c7ba02fe41d8f6bb91f25141f21e80cdf0d4f