[INFO] cloning repository https://github.com/lambdaclass/alert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambdaclass/alert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaclass%2Falert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaclass%2Falert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13fc41fe59a0b535adcf7d5c4729039e20032a84
[INFO] testing lambdaclass/alert against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaclass%2Falert" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambdaclass/alert 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/lambdaclass/alert
[INFO] finished tweaking git repo https://github.com/lambdaclass/alert
[INFO] tweaked toml for git repo https://github.com/lambdaclass/alert written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/lambdaclass/alert 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 0788a1c2ee74c8f0e7c084b1370345cf2f996013826d9db1294cec33d61888bc
[INFO] running `Command { std: "docker" "start" "-a" "0788a1c2ee74c8f0e7c084b1370345cf2f996013826d9db1294cec33d61888bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0788a1c2ee74c8f0e7c084b1370345cf2f996013826d9db1294cec33d61888bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0788a1c2ee74c8f0e7c084b1370345cf2f996013826d9db1294cec33d61888bc", kill_on_drop: false }`
[INFO] [stdout] 0788a1c2ee74c8f0e7c084b1370345cf2f996013826d9db1294cec33d61888bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d84cb7eda29d18a77bddc989eb725c84b7cc65ecb5b92d71f5ad1396118528a0
[INFO] running `Command { std: "docker" "start" "-a" "d84cb7eda29d18a77bddc989eb725c84b7cc65ecb5b92d71f5ad1396118528a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling http v0.1.16
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling uuid v0.7.3
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-sync v0.1.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[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-1.1.2/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="default"' --cfg 'feature="use_std"' -C metadata=1936052a8d16f394 -C extra-filename=-1936052a8d16f394 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-6d0039eecfe22cb9.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-bdcc980632531b7d.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-a50725a16c3ac1f6.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-e8807c2bbfca6e70.rmeta --extern utf8_ranges=/opt/rustwide/target/debug/deps/libutf8_ranges-cadba9984ec700c8.rmeta --cap-lints allow --cap-lints=warn --cfg regex_runtime_teddy_ssse3 --cfg regex_runtime_teddy_avx2` (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" "d84cb7eda29d18a77bddc989eb725c84b7cc65ecb5b92d71f5ad1396118528a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84cb7eda29d18a77bddc989eb725c84b7cc65ecb5b92d71f5ad1396118528a0", kill_on_drop: false }`
[INFO] [stdout] d84cb7eda29d18a77bddc989eb725c84b7cc65ecb5b92d71f5ad1396118528a0