[INFO] fetching crate cfn 0.0.8...
[INFO] testing cfn-0.0.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cfn 0.0.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cfn 0.0.8 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 crates.io crate cfn 0.0.8
[INFO] finished tweaking crates.io crate cfn 0.0.8
[INFO] tweaked toml for crates.io crate cfn 0.0.8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 400613b862cb315ec6efc86ef1fa3aeb7538ec0411dfbc9da653c405d457bd36
[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" "400613b862cb315ec6efc86ef1fa3aeb7538ec0411dfbc9da653c405d457bd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "400613b862cb315ec6efc86ef1fa3aeb7538ec0411dfbc9da653c405d457bd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400613b862cb315ec6efc86ef1fa3aeb7538ec0411dfbc9da653c405d457bd36", kill_on_drop: false }`
[INFO] [stdout] 400613b862cb315ec6efc86ef1fa3aeb7538ec0411dfbc9da653c405d457bd36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] c8fba6c40a30e2a2754d756fb98809facd5275a40f8343a247e66c93cd7e4626
[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" "c8fba6c40a30e2a2754d756fb98809facd5275a40f8343a247e66c93cd7e4626", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling cfn v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `cfn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cfn src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=dfb093f54f759bf1 -C extra-filename=-dfb093f54f759bf1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-2a5ddcd77d95b7ec.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e1e7584dcba0a5cc.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8fe885f1d4439ddc.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3de8b5c3752d5467.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c8fba6c40a30e2a2754d756fb98809facd5275a40f8343a247e66c93cd7e4626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fba6c40a30e2a2754d756fb98809facd5275a40f8343a247e66c93cd7e4626", kill_on_drop: false }`
[INFO] [stdout] c8fba6c40a30e2a2754d756fb98809facd5275a40f8343a247e66c93cd7e4626