[INFO] cloning repository https://github.com/tarrall/rust-arduino-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarrall/rust-arduino-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarrall%2Frust-arduino-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarrall%2Frust-arduino-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c7e5afc922b7ff1a7b4c797e8a2e60b826566dd
[INFO] testing tarrall/rust-arduino-playground against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarrall%2Frust-arduino-playground" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarrall/rust-arduino-playground on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tarrall/rust-arduino-playground
[INFO] finished tweaking git repo https://github.com/tarrall/rust-arduino-playground
[INFO] tweaked toml for git repo https://github.com/tarrall/rust-arduino-playground written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tarrall/rust-arduino-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] fe7db0a80eef7a0cc0bdeb9ed61bb7ba70e3349ede4b0eef27a0ecaf81c31478
[INFO] running `Command { std: "docker" "start" "-a" "fe7db0a80eef7a0cc0bdeb9ed61bb7ba70e3349ede4b0eef27a0ecaf81c31478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe7db0a80eef7a0cc0bdeb9ed61bb7ba70e3349ede4b0eef27a0ecaf81c31478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7db0a80eef7a0cc0bdeb9ed61bb7ba70e3349ede4b0eef27a0ecaf81c31478", kill_on_drop: false }`
[INFO] [stdout] fe7db0a80eef7a0cc0bdeb9ed61bb7ba70e3349ede4b0eef27a0ecaf81c31478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 571ad217b9b6981076f94325dea9f6300c1ddcabbfab85a6e6810fab69392f7a
[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" "571ad217b9b6981076f94325dea9f6300c1ddcabbfab85a6e6810fab69392f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling actix-threadpool v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling actix-router v0.2.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tokio v0.2.19
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr] error: could not compile `regex`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.3.9/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=cba065be6816469b -C extra-filename=-cba065be6816469b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-daf95ed1088a5543.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d49ac1e01d7c87e9.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-4cec8b6c5863bb82.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-b2a88e4d32219c25.rmeta --cap-lints allow --cap-lints=warn` (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" "571ad217b9b6981076f94325dea9f6300c1ddcabbfab85a6e6810fab69392f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571ad217b9b6981076f94325dea9f6300c1ddcabbfab85a6e6810fab69392f7a", kill_on_drop: false }`
[INFO] [stdout] 571ad217b9b6981076f94325dea9f6300c1ddcabbfab85a6e6810fab69392f7a
