[INFO] cloning repository https://github.com/imjoshholloway/zero2prod
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imjoshholloway/zero2prod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjoshholloway%2Fzero2prod", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjoshholloway%2Fzero2prod'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a4f42156078694576add3b56cdfaaf260e1adae
[INFO] testing imjoshholloway/zero2prod against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjoshholloway%2Fzero2prod" "/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/imjoshholloway/zero2prod 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/imjoshholloway/zero2prod
[INFO] finished tweaking git repo https://github.com/imjoshholloway/zero2prod
[INFO] tweaked toml for git repo https://github.com/imjoshholloway/zero2prod written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/imjoshholloway/zero2prod 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] 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] 383c2a5baeb8e24598d3de9ebf050853e175b3bdeedaf7450f92e3b80324876f
[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" "383c2a5baeb8e24598d3de9ebf050853e175b3bdeedaf7450f92e3b80324876f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "383c2a5baeb8e24598d3de9ebf050853e175b3bdeedaf7450f92e3b80324876f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383c2a5baeb8e24598d3de9ebf050853e175b3bdeedaf7450f92e3b80324876f", kill_on_drop: false }`
[INFO] [stdout] 383c2a5baeb8e24598d3de9ebf050853e175b3bdeedaf7450f92e3b80324876f
[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] fb528d860c0aa373637761955536251bdb9d18c4c81ffe08593b7c7226518589
[INFO] running `Command { std: "docker" "start" "-a" "fb528d860c0aa373637761955536251bdb9d18c4c81ffe08593b7c7226518589", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling actix-service v2.0.0-beta.5
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling actix-utils v3.0.0
[INFO] [stderr]    Compiling hashlink v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling actix-macros v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling actix-web-codegen v0.5.0-beta.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr] error: could not compile `ring`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ring --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.16.20/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="dev_urandom_fallback"' --cfg 'feature="once_cell"' -C metadata=793bad13ef387e4a -C extra-filename=-793bad13ef387e4a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-ae73e7943bf44393.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-49642d75540d46ab.rmeta --extern spin=/opt/rustwide/target/debug/deps/libspin-cb3920256b8b7cc3.rmeta --extern untrusted=/opt/rustwide/target/debug/deps/libuntrusted-2f6e401b6f726e33.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-8cf45c1e85501453/out -l static=ring-core -l static=ring-test` (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" "fb528d860c0aa373637761955536251bdb9d18c4c81ffe08593b7c7226518589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb528d860c0aa373637761955536251bdb9d18c4c81ffe08593b7c7226518589", kill_on_drop: false }`
[INFO] [stdout] fb528d860c0aa373637761955536251bdb9d18c4c81ffe08593b7c7226518589