[INFO] cloning repository https://github.com/soenkeliebau/stackable_krustlet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soenkeliebau/stackable_krustlet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkeliebau%2Fstackable_krustlet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkeliebau%2Fstackable_krustlet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 517486d7ea2140c42746d7cd4ae706ad40d91c2b
[INFO] testing soenkeliebau/stackable_krustlet against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkeliebau%2Fstackable_krustlet" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soenkeliebau/stackable_krustlet 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] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking git repo https://github.com/soenkeliebau/stackable_krustlet
[INFO] finished tweaking git repo https://github.com/soenkeliebau/stackable_krustlet
[INFO] tweaked toml for git repo https://github.com/soenkeliebau/stackable_krustlet written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/soenkeliebau/stackable_krustlet 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] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded signature v1.0.0-pre.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f2ad1394dc00a39698221f018a0749fcc418a38eafefd61b4b4b53c00e5630c
[INFO] running `Command { std: "docker" "start" "-a" "8f2ad1394dc00a39698221f018a0749fcc418a38eafefd61b4b4b53c00e5630c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f2ad1394dc00a39698221f018a0749fcc418a38eafefd61b4b4b53c00e5630c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2ad1394dc00a39698221f018a0749fcc418a38eafefd61b4b4b53c00e5630c", kill_on_drop: false }`
[INFO] [stdout] 8f2ad1394dc00a39698221f018a0749fcc418a38eafefd61b4b4b53c00e5630c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 19175fcd4074582ae2993e0271b7673cda3e10aa3eab08411c9a38b76e8af9e1
[INFO] running `Command { std: "docker" "start" "-a" "19175fcd4074582ae2993e0271b7673cda3e10aa3eab08411c9a38b76e8af9e1", 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 libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
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[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling kubelet-derive v0.1.0 (/opt/rustwide/workdir/crates/kubelet-derive)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.116/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=56007f392f53e543 -C extra-filename=-56007f392f53e543 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2682a091b3f0df5c.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-c463b3be633b0383.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-1e90592827cea528.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "19175fcd4074582ae2993e0271b7673cda3e10aa3eab08411c9a38b76e8af9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19175fcd4074582ae2993e0271b7673cda3e10aa3eab08411c9a38b76e8af9e1", kill_on_drop: false }`
[INFO] [stdout] 19175fcd4074582ae2993e0271b7673cda3e10aa3eab08411c9a38b76e8af9e1