[INFO] cloning repository https://github.com/pepyakin/urkel-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepyakin/urkel-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Furkel-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Furkel-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d712f09b12f2f27bf064e467d989f9f9a930439
[INFO] testing pepyakin/urkel-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Furkel-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepyakin/urkel-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pepyakin/urkel-rs
[INFO] finished tweaking git repo https://github.com/pepyakin/urkel-rs
[INFO] tweaked toml for git repo https://github.com/pepyakin/urkel-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pepyakin/urkel-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62659f6ddbcd0aeb401ffed930dd1b83c47a47d6d76f1f3141ce560e25bd7543
[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" "62659f6ddbcd0aeb401ffed930dd1b83c47a47d6d76f1f3141ce560e25bd7543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62659f6ddbcd0aeb401ffed930dd1b83c47a47d6d76f1f3141ce560e25bd7543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62659f6ddbcd0aeb401ffed930dd1b83c47a47d6d76f1f3141ce560e25bd7543", kill_on_drop: false }`
[INFO] [stdout] 62659f6ddbcd0aeb401ffed930dd1b83c47a47d6d76f1f3141ce560e25bd7543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15d1ad7f9d799bf3512874a6bcfaa9c15a8fcd284d126e960fba224d92c09d6c
[INFO] running `Command { std: "docker" "start" "-a" "15d1ad7f9d799bf3512874a6bcfaa9c15a8fcd284d126e960fba224d92c09d6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling urkel-sys v0.1.0 (/opt/rustwide/workdir/urkel-sys)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr] error: failed to run custom build command for `urkel-sys v0.1.0 (/opt/rustwide/workdir/urkel-sys)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/urkel-sys-02bb32cc398e9580/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=liburkel
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   liburkel/CMakeLists.txt doesn't exist. Perhaps, you need to update git submodules?
[INFO] [stderr] 
[INFO] [stderr]   Try
[INFO] [stderr] 
[INFO] [stderr]   	git submodule update --init --recursive
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "15d1ad7f9d799bf3512874a6bcfaa9c15a8fcd284d126e960fba224d92c09d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d1ad7f9d799bf3512874a6bcfaa9c15a8fcd284d126e960fba224d92c09d6c", kill_on_drop: false }`
[INFO] [stdout] 15d1ad7f9d799bf3512874a6bcfaa9c15a8fcd284d126e960fba224d92c09d6c